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Sony Xperia 1 VIII vs vivo X300 Ultra

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Product A: Sony

Xperia 1 VIII

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B

Product B: vivo

X300 Ultra

105 of 162 known

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Every value links to where we found it.

Only differences

ASony Xperia 1 VIII

Bvivo X300 Ultra

General

8 of 11 differ

Series

Xperia 11Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

X3002Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026The phone is the Ultra model of the X300 range, which also has the X300 Pro, X300 and X300 FE.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

XQ-GE543Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Original full manual names XQ-GE54 and XQ-GE74. Only XQ-GE54 European reference is represented, independently corroborated by original GE54 SAR and EU fiche.

V25623Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 2026EU specs page links the Product information sheet with model identifier V2562.6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Sheet model identifier V2562.

GTIN / EAN

Not available

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

13 May 20265Press releasesony.com.hk/press/pdf/20260513.pdfRead 5 October 2026Original maker Hong Kong announcement dated 13 May 2026 confirms the marketed model launch. No Hong Kong hardware values inherited.

30 March 202610Press articletabletowo.plRead 14 October 2026Polish press: officially unveiled on 30 March 2026 in China.

Status

Available4Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original Price and Availability explicitly says the model is available. This does not guarantee present stock.

Available2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026The global overview page sells the phone. Reviews and retailers confirm it is on sale.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Sony Xperia 1 VII13Reviewnotebookcheck.net/Sony-Xperia-1-VIII-first-look-Major-redesign-confirmed-hints-at-48MP-camera-battery-upgrades.1282358.0.htmlRead 23 October 2026Notebookcheck calls the Xperia 1 VIII the 2026 flagship and successor to the Xperia 1 VII.

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

€1,9993Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 202611Press articlenextpit.de/handys/vivo-x300-ultraRead 14 October 2026nextpit data sheet: German UVP 1,999.00 EUR at launch, VAT included. FoneArena rounds the 16 GB + 1 TB price to 2,000 EUR. No US price because the phone is not sold in the US.12Press articlefonearena.com/blog/480231/vivo-x300-ultra-price-specifications-global.htmlRead 14 October 2026Global launch report: single 16 GB + 1 TB model at 2,000 EUR in Germany, Austria, Switzerland and Hungary, with pre-orders from 16 to 23 April 2026.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

DE4Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original German review Price and Availability explicitly offers 12 GB/256 GB through Amazon.de. European band table and SAR 0.97/1.09 match XQ-GE54 original manual, SAR and EU fiche. Only DE reference market is represented. UK availability article could not be independently reopened.

EU, IN3Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 2026vivo Europe site sells the phone. The India parameter page lists it for India.6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026EU EPREL record for V2562.

ColoursiThe maker's own colour names

Graphite Black5Press releasesony.com.hk/press/pdf/20260513.pdfRead 5 October 2026Original maker announcement explicitly names Graphite Black. Only this colour reference is represented. Regional capacities, SIM layout and bands are independently European.

Volcano Black, Steppe Green, Alpine White1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Global parameter page lists Black, Green and White. The overview names them Volcano Black, Steppe Green and Alpine White.2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview color names: Steppe Green, Volcano Black, Alpine White.3Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 2026EU specs page shows the Black and Green models. The EU overview names no white model.

Form factor

Bar3Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Original full manual front and rear hardware diagrams show a single non-folding handset.

Bar2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026

OS support period (claimed)iYears of OS updates promised by the maker. Do not convert a number of Android generations into years, or mix an EU minimum counted from end of sale with a launch-based promise.

Not available

5years2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: 5-Year OS Upgrades and 7-Year Security Maintenance. The start of the period is not stated.

Security support period (claimed)iYears of security updates promised by the maker. State when the period starts in the source note. A regulatory minimum counted from end of market placement is a different basis.

6years1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Manufacturer six-year security promise. Starting basis is not stated in this specification. The separately published exact-model end date is retained independently. Four Android upgrades are not converted into years.

7years2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: seven years of security updates and system maintenance. No end date is stated.

Security updates untiliPublished end date of security support for the exact model. Do not calculate a date from a rounded number of years.

1 April 20329Maker product pagesony.co.uk/electronics/support/articles/00304000Read 5 October 2026Published end date for exact model XQ-GE54. Not calculated from a rounded year promise.

Not available

Body

9 of 16 differ

HeightiBody height in portrait orientation. Foldables use the unfolded body.

162mm1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

162.98mm1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Dimensions row: 162.98 x 76.81 x 8.19 mm (Black) and 8.49 mm thick (Green, White).

WidthiBody width in portrait orientation.

74mm1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

76.81mm1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Thickness

8.3mm1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Published body thickness. Camera protrusion thickness is not specified.

8.19mm1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 20268.19 mm for Black. The Green and White models are 8.49 mm and sit in a variant row.

Thickness with camera bump

Not available

Not available

Folded dimensions

Not available

Not available

WeightiHandset weight without accessories. Colour and material differences belong in variants.

200g(7.1 oz)1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

232g(8.2 oz)1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026232 g (Black). 237 g (Green, White) in a variant row.

Frame

Not available

Not available

Front

Corning Gorilla Glass Victus 21Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Armor Glass7Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Spec row: Armor glass. Digital Trends also lists Armor Glass protection.8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Spec table: Armor Glass protection.

BackiMaterial of the back cover as the maker names it. Aluminium is a metal back cover, as on a unibody. Silicone is a back the maker calls silicone, even with a leather or fabric look. A mixed back, such as metal with a glass insert, is Other.

Glass1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Manufacturer identifies Gorilla Glass Victus on the rear.

Fiberglass composite1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Back Cover Material: glass fiber (Black), glass (Green, White).

Dust and water rating

IPX5, IPX8, IP6X1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

IP68, IP691Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Water resistance depth

1.5m10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026Fiche publishes 1.50 m. A duration was not found and is not inferred from IP68.

1.5m2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026IP68 test: static fresh water up to 1.5 m.

Water resistance time

Not available

30min2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026IP68 test: up to 30 minutes.

MIL-STD-810

Not available

Not available

SIM capacityiPhysical nano-SIM slots and maximum simultaneously active eSIMs. These counts are alternatives and must not be added to infer total active subscriptions.

Nano-SIMs1Active eSIM capacity2eSIM onlyNo7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Printed pages 11-12: XQ-GE54 accepts one nano-SIM and a separate microSD card. Two active eSIMs or one nano-SIM plus one eSIM are alternatives, not three active subscriptions.

Nano-SIMs2Active eSIM capacity2eSIM onlyNo1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Card Slot: SIM1+SIM2, SIM1+eSIM1 and eSIM1+eSIM2. Stored as two nano-SIM and up to two active eSIMs. The India page lists two nano SIMs only.

Stylus

Not available

Not available

Stylus name

Not available

Not available

Display

13 of 24 differ

Screen sizeiMaker diagonal for the main display as a full rectangle. Rounded corners and cutouts reduce the viewable area.

6.5in(16.5 cm)1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

6.82in(17.3 cm)1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Resolution

1080 × 2340px1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

1440 × 3168px1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Pixel density

396.5ppi=CalculatedFrom Screen size and Resolution

510.3ppi=CalculatedFrom Screen size and Resolution

Aspect ratio

19.5:91Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Not available

Display type

OLED1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

OLED1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Type row: AMOLED. The maker does not call it LTPO, so oled is stored.

Display type (as published)

FHD+ HDR OLED1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

AMOLED1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Type row: AMOLED.

Max refresh rateiHighest stated display refresh rate. Game-only or app-specific modes must be identified in the source note.

120Hz1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

144Hz1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Refresh Rate 1~144 Hz. The overview footnote says 144 Hz is available in apps and games that support it.

Min refresh rateiLowest stated adaptive display refresh rate. A variable refresh display does not itself prove an LTPO backplane.

Not available

1Hz1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Refresh Rate 1~144 Hz.

Touch sampling rateiStandard touch sampling rate the maker states. A figure the maker ties to a game, boost or instant mode goes in the instant field. When the maker names no mode, the figure is stored here and the source note quotes the wording.

240Hz1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Not available

Instant touch samplingiHighest touch sampling rate the maker states for a game, boost or instant mode.

Not available

Not available

Display brightness (typical, claimed)iMaker stated typical brightness, not a reviewer measurement or automatic outdoor mode. On a foldable, the main inner screen.

Not available

Not available

Outdoor brightness (claimed)iMaker stated outdoor or high-brightness-mode value. A peak outdoor claim need not be full-screen sustained brightness.

Not available

Not available

Peak display brightness (claimed)iManufacturer-stated peak brightness. Store HDR, window size and operating mode only as stated in the source note. Outdoor/HBM claims use the separate field. On a foldable, the main inner screen.

Not available

4,500nits1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Local Peak Brightness 4500 nits. Overview footnote: triggered at 100,000 lux, playing HDR video, OPR 1%. Maker lab data.

Minimum brightness

Not available

Not available

Colour depth per channeliBits for each RGB colour channel, not total bits per pixel. A 24-bit RGB pixel means 8 bits per channel. No native-versus-dithered assumption.

10bits1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Published 10-bit tonal gradation. Native versus dithered panel depth is not specified. Maker DCI-P3 100% has no explicit coverage-versus-volume or coordinate basis in checked text and is not represented as numeric coverage.

10bits2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Display block: 1.07 billion colors, which is 10 bits per channel.

DCI-P3 coverage

Not available

100%1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Color Gamut row says P3 and the overview says 100% P3 wide color gamut. The P3 variant is not named.

HDR playback formatsiHDR formats the phone can display or play back. Recorded video HDR formats use the separate video field.

Not available

Dolby Vision, HDR10+, HDR Vivid7Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Spec row: Dolby Vision, HDR10+, HDR Vivid. Digital Trends lists Dolby Vision and HDR10+.8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Spec table: Dolby Vision, HDR10+.

PWM dimming frequency

Not available

Not available

Always-on display

Yes7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Lock screen chapter explicitly permits date, time, battery level and notifications while the screen is off.

Not available

Front camera cutout

None7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Printed front diagram locates the front camera above the display in the bezel.

Punch hole7Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Spec row: punch hole.

Cover screen sizeiThe outer screen of a foldable, or a second screen on the back of a phone, such as on the Xiaomi 17 Pro Max.

Not available

Not available

Cover screen resolutioniWidth and height as the screen stands when the closed phone, or the phone with a rear screen, is held upright. Some makers print the long side first, such as Motorola's 1272 x 1080 for a screen that is 1080 px wide.

Not available

Not available

Cover screen refresh rate

Not available

Not available

Cover screen type

Not available

Not available

Platform

5 of 10 differ

OS at launch

Android 161Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Android 161Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Parameter page: Android Version Android 16, Operating System OriginOS 6.

Software

Not available

OriginOS 61Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Latest stable OS (verified)iLatest stable OS explicitly verified for the exact model on the source accessed date. A downloadable manual, beta, or launch specification does not prove a stable update rollout.

Android 178Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/articles/SX243901Read 5 October 2026Current Sony stable-version table identifies Android 17 for Xperia 1 VIII. Rollout timing varies by operator and region. The Android 17 manual alone was not treated as rollout evidence.

Not available

Chipset

Qualcomm Snapdragon 8 Elite Gen 51Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Qualcomm Snapdragon 8 Elite Gen 51Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Parameter page: Snapdragon 8 Elite Gen 5 Mobile Platform, 8 cores, 3 nm.

Process

Not available

3nm1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

CPU cores

812Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026

81Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

CPU configurationiCPU core counts, names and maximum clocks for the exact chipset configuration. Do not copy clocks from another regional chip or generic faster chip edition.

ASony Xperia 1 VIII

Count	Core	Max clock (GHz)
2	Qualcomm Oryon Gen 3 Prime	4.6
6	Qualcomm Oryon Gen 3 Performance	3.6

Source12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original tested 12 GB/256 GB European review table publishes two 4.6 GHz Prime and six 3.6 GHz Performance cores. Rounded published clocks retained. Faster for-Galaxy clocks are excluded.

Bvivo X300 Ultra

Count	Core	Max clock (GHz)
2	Oryon V3 Phoenix L	4.6
6	Oryon V3 Phoenix M	3.62

Source1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Parameter page: CPU Clock Speed 2 x 4.6 GHz + 6 x 3.62 GHz. The maker gives no core names. The names come from the Smartprix listing.7Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Core names Oryon V3 Phoenix L (2 x 4.6 GHz) and Oryon V3 Phoenix M (6 x 3.62 GHz).

Max CPU clock

4.6GHz=CalculatedFrom CPU configuration

4.6GHz=CalculatedFrom CPU configuration

GPU

Qualcomm Adreno 84012Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026

Adreno 8407Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Spec row: Adreno 840.

NPU performance

Not available

Not available

Memory

5 of 6 differ

RAM

12GB1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Only the European 12 GB physical RAM reference is represented. Other configurations and virtual memory are excluded.

16GB1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Parameter page: 16 GB+512 GB and 16 GB+1TB. RAM is 16 GB in both.

RAM typeiActual installed memory technology published for the phone. A chipset supported-memory list does not prove which type this device uses.

LPDDR5X12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original review actual test device is 12 GB LPDDR5X and nominal 256 GB. European bands, SIM arrangement and SAR match reference XQ-GE54. This is not inferred from the chipset memory-support list.

LPDDR5X Ultra Pro1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Storage (nominal)iManufacturer nominal capacity before formatting, not available space. Published TB values use decimal SI conversion, 1 TB = 1000 GB. Literal maker GB values stay as published.

256GB1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Only nominal 256 GB reference capacity is represented. Other regional and storage configurations are excluded.

512 GB, 1 TB1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Parameter page: 512 GB and 1 TB (stored as 1000 GB). The 1 TB model is the only one sold in the EU.3Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 2026EU page lists 16 GB+1TB only.12Press articlefonearena.com/blog/480231/vivo-x300-ultra-price-specifications-global.htmlRead 14 October 2026EU launch sells the 16 GB + 1 TB model only.

Storage type

UFS 4.112Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Actual 256 GB review unit identifies UFS 4.1. Other capacities are excluded.

UFS 4.11Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Memory card

microSD (own slot)7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026

None1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Parameter page: Expandable ROM Capacity Not supported.

Max card size

2TB1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Manufacturer up-to-2-TB microSDXC support converted using decimal SI, 1 TB = 1000 GB.

Not available

Rear cameras

10 of 14 differ

Physical rear camerasiOne row per physical imaging camera. Sensor crops, optical-quality zoom modes, autofocus laser and depth scanners do not add photographic lenses. A colour or multispectral sensor is not a camera row, even when the maker gives it a megapixel figure. A depth camera with its own megapixel figure, such as a 2 MP depth camera, is a row with the depth role. A ToF or lidar scanner is not a row.

ASony Xperia 1 VIII

Role	Resolution (MP)	Aperture (f/)	Focal length (35 mm equivalent) (mm)	Sensor optical format	OIS	Field of view
Main	48	1.9	24	1/1.35 inch	Yes	84°
Telephoto	48	2.8	70	1/1.56 inch	Yes	34°
Ultrawide	48	2	16	1/1.56 inch	Not available	104°

Source1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Effective sensor resolution is stored. Main full-aspect resolution is 52 MP. Telephoto and ultrawide full-aspect resolution is 50 MP, with 48 MP effective and 12 MP still recording. Published rear pixel sizes are explicitly 12 MP binned and are excluded from physical pitch. Exmor T and Exmor RS are sensor families, not exact sensor part numbers. Generic Eye AF does not establish a specific autofocus subtype. Hybrid 17.5x is not physical optical zoom.12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original tested-unit camera table explicitly marks OIS for main and 70 mm telephoto lenses. No ultrawide OIS value is inferred. Its rounded 2.9x table versus 3x prose is not used to populate physical optical zoom.

Bvivo X300 Ultra

Role	Resolution (MP)	Aperture (f/)	Focal length (35 mm equivalent) (mm)	Sensor optical format	Pixel size (µm)	Autofocus	OIS	Field of view	Sensor
Main	200	1.85	35	1/1.12"	0.7	PDAF	Yes	62.2°	Sony LYTIA 901
Ultrawide	50	2	14	1/1.28"	1.22	Dual Pixel PDAF	Yes	114.3421°	Sony LYTIA 818
Periscope telephoto	200	2.67	85	1/1.4"	0.56	PDAF	Yes	28.3°	Samsung HP0

Source2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview camera block. 35 mm camera: Sony LYTIA 901, 200 MP, 1/1.12 inch, f/1.85 (spec table), OIS, CIPA 6.5. 14 mm camera: Sony LYTIA 818, 50 MP, 1/1.28 inch, f/2.0, OIS, CIPA 6.0. 85 mm camera: HP0 sensor, 200 MP, 1/1.4 inch, f/2.67, OIS, CIPA 7.0. The 5 MP vivo Color-Sensing Camera is a color sensor and is not counted as an imaging camera. 35 mm, 14 mm and 85 mm are focal lengths as the maker states them.5Maker product pagevivo.com/in/products/param/x300-ultraRead 14 October 2026India footnote 6: field of view after distortion is 62.2 degrees main, 28.3 degrees telephoto and 114.3421 degrees wide-angle.7Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Pixel size 0.7 um main, 1.22 um ultra-wide, 0.56 um telephoto. Autofocus: PDAF main, dual pixel PDAF ultra-wide, multi-directional PDAF telephoto.8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Spec table names the telephoto sensor as Samsung HP0.

Number of rear cameras

3=CalculatedFrom Physical rear cameras

3=CalculatedFrom Physical rear cameras

Main camera

48MP=CalculatedFrom Physical rear cameras

200MP=CalculatedFrom Physical rear cameras

Longest physical-lens optical zoomiLargest optical zoom factor of a physical telephoto lens. Optical-quality sensor crops and advertised zoom ranges are excluded.

Not available

Not available

Maximum photo digital zoomiHighest stated digital zoom for photos. Video zoom can have a different limit. A total zoom factor such as Up to 100x counts, also when the maker adds AI processing to it.

Not available

Not available

Flash

Not available

Dual rear flash with single color temperature1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Global page says Rear flash. The India page gives the detail (dual rear flash, single color temperature).5Maker product pagevivo.com/in/products/param/x300-ultraRead 14 October 2026India page: Dual rear flash with single color temperature, and rear fill light.

Camera features

Real-time Eye AF, Real-time Tracking, Creative look, Pro Photo, AI Camera Assistant, S-Cinetone for mobile1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

vivo Color-Sensing Camera (5 MP, 12 channels), ZEISS T* coating, Laser focusing sensor, VS1+ Pro Imaging Chip, Telephoto Extender support (200 mm and 400 mm equivalent), 60 fps AF tracking in Snapshot mode, DCG HDR (35 mm camera)2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: Color-Sensing Camera (12 channels, 5 MP), ZEISS T* coating, VS1+ Pro Imaging Chip, Telephoto Extender Gen 2 (200 mm) and Gen 2 Ultra (400 mm) compatibility, 60 fps AF tracking in Snapshot mode only, DCG HDR on the 35 mm camera.

Maximum rear video rate per resolutioniHighest stated capture frame rate at each resolution, including slow-motion modes. Lens restrictions and cloud-processed output must be named in the source note.

ASony Xperia 1 VIII

Width (px)	Height (px)	Highest capture rate (fps)
3840	2160	120
1920	1080	120

Source7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Video settings and Slow sections explicitly allow 4K and Full HD up to 120 fps on rear camera. Front camera is limited to 60 fps. Recorded HDR uses HLG/BT.2020, which the current recorded-HDR enum cannot represent. No HDR10 recording claim is inferred. The manual specifically says 120 fps main camera only, using main camera for the rear camera system versus front camera. This does not establish 120 fps on every physical rear lens.

Bvivo X300 Ultra

Width (px)	Height (px)	Highest capture rate (fps)
3840	2160	120

Source2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: multi-focal 4K 120 fps video across the rear lenses. The maker names no 8K or 1080p 240 fps mode, and the India page lists 4K and 1080P only.

Max video resolution

3840 × 2160px=CalculatedFrom Maximum rear video rate per resolution

3840 × 2160px=CalculatedFrom Maximum rear video rate per resolution

Recorded video HDR formatsiHDR formats explicitly supported for recording. Display playback support does not establish camera recording support.

Not available

Dolby Vision2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: multi-focal 4K 120 fps Dolby Vision video.9Reviewandroidcentral.com/phones/vivo/vivo-x300-ultra-reviewRead 14 October 2026Review: 4K 120 fps Dolby Vision recording from all rear cameras.

Log recording

Not available

Yes2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: multi-focal 4K 120 fps 10-bit Log video with 3D LUT monitoring.

Video recording codecsiCodecs explicitly documented for recorded video. Excludes playback-only codecs and container names such as MP4 and MKV.

H.264, H.2651Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

APV2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview names the APV codec (4:2:2) for Log recording. No other recording codec is named.

Video stabilisation

Not available

OIS2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: multi-focal optical image stabilization.

Maximum slow-motion capture rateiCaptured frames per second, not the playback rate. Recording resolution and supported camera belong in the source note.

120fps7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Slow mode records 120 fps. The slower playback speed is not a higher capture rate.

Not available

Front camera

1 of 3 differ

Front camerasiOne row per physical front imaging camera. Depth or face authentication components are not additional selfie cameras.

ASony Xperia 1 VIII

Role	Resolution (MP)	Aperture (f/)	Focal length (35 mm equivalent) (mm)	Sensor optical format	Pixel size (µm)	Field of view
Main	12	2	24	1/2.9 inch	1.22	83°

Source1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Bvivo X300 Ultra

Role	Resolution (MP)	Aperture (f/)	Field of view
Main	50	2.45	82.3°

Source2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Parameter page: front 50 MP, f/2.45.5Maker product pagevivo.com/in/products/param/x300-ultraRead 14 October 2026India footnote 6: field of view after distortion is 82.3 degrees for the front camera.

Maximum front video rate per resolutioniHighest stated front-camera frame rate at each resolution, including slow motion where documented.

ASony Xperia 1 VIII

Width (px)	Height (px)	Highest capture rate (fps)
3840	2160	60
1920	1080	60

Source7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Video settings list 4K and Full HD resolution options and front-camera maximum 60 fps.

Bvivo X300 Ultra

Width (px)	Height (px)	Highest capture rate (fps)
3840	2160	60
1920	1080	60

Source7Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Front video 4K at 60 fps and 1080p at 60 fps.9Reviewandroidcentral.com/phones/vivo/vivo-x300-ultra-reviewRead 14 October 2026Review: the 50 MP front camera records 4K 60 fps Dolby Vision video.

Front autofocus

Not available

Not available

Audio

3 of 4 differ

Stereo speakers

Yes1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Yes2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: Dual Stereo Speaker.

3.5 mm jack

Yes1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

No5Maker product pagevivo.com/in/products/param/x300-ultraRead 14 October 2026India footnote 8: the phone supports Bluetooth and Type-C digital wired earphones, not analog earphones. A 3.5 mm adapter with a DAC is needed.

Audio features

Dolby Atmos, DSEE Ultimate, 360 Reality Audio Upmix, Hi-Resolution Audio1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Not available

MicrophonesiPhysical microphones in the phone. Noise reduction channel count does not always establish microphone count.

37Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Printed hardware diagram on pages 9-10 labels main, second and voice-priority microphones. Three physical microphones, not beamforming channels.

42Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: a quad-mic system for video audio.

Network

4 of 10 differ

Network

GSM, UMTS, LTE, 5G1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026European reference band table. The maker lists 3G bands, so UMTS is stored. It does not name HSPA, so that protocol is omitted.

GSM, UMTS, LTE, 5G1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 20262G GSM, 3G WCDMA, 4G FDD-LTE and TD-LTE, 5G. HSPA is not named by the maker.

2G bandsiExact model radio bands. State model and region. Do not substitute a worldwide union for one regional model.

GSM 850, GSM 900, GSM 1800, GSM 19001Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

GSM 850, GSM 900, GSM 1800, GSM 19001Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

3G bandsiExact model UMTS/WCDMA/HSPA bands or published MHz ranges. State which notation the source uses.

B1, B2, B4, B5, B81Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Manufacturer 2100/B1, 1900/B2, 1700/B4, 850/B5 and 900/B8 notation retained as band identifiers.

B1, B2, B4, B5, B6, B8, B191Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

4G bandsiExact model LTE bands, not channel frequencies or aggregate world coverage.

B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B19, B20, B25, B26, B28, B32, B34, B38, B39, B40, B41, B661Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

B1, B2, B3, B4, B5, B7, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B32 (RX), B66, B71, B34, B38, B39, B40, B41, B42, B43, B481Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026FDD row from this page. The TD-LTE row on this global page repeats the FDD list, which looks like a copy error. The TD-LTE bands B34/B38/B39/B40/B41/B42/B43/B48 come from the EU and India pages. B32 is receive only.3Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 2026EU 4G TD-LTE row: B34/B38/B39/B40/B41/B42/B43/B48.5Maker product pagevivo.com/in/products/param/x300-ultraRead 14 October 2026India TD-LTE row matches the EU page: B34/B38/B39/B40/B41/B42/B43/B48.

5G bandsiExact model 5G NR bands. A union of sub-6 and mmWave models is not evidence that every variant supports both.

n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n75, n77, n78, n791Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n71, n75, n77, n78, n791Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

5G modes

SA, NSA1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Not available

5G mmWave

Not available

Not available

Maximum modem download rateiTheoretical maker-published device/modem rate. Name the radio technology, aggregation and carrier conditions in the source note. Chip capability alone does not establish device support.

Not available

Not available

Satellite

Not available

Not available

Wi-Fi calling

Not available

Not available

Connectivity

6 of 13 differ

Wi-Fi

Wi-Fi 71Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Wi-Fi 71Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Wi-Fi bands

2.4 GHz, 5 GHz, 6 GHz1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

2.4 GHz, 5 GHz, 6 GHz1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Bluetooth

6.01Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Manufacturer says Bluetooth 6.0 or later. Only the explicitly stated minimum version is stored.

6.01Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Bluetooth audio codecsiWireless audio codecs explicitly supported by the phone. Local audio file formats and codecs supported only by the chipset are excluded.

SBC, AAC, LDAC, aptX Adaptive1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026SBC and AAC are named in the Bluetooth section. LDAC and aptX Adaptive are named as wireless audio capabilities. Local audio playback codecs are excluded.

Not available

NFC

Yes1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Yes1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Reader/writer mode and card emulation mode.

Ultra-wideband

Not available

Not available

Positioning

GPS, GLONASS, BeiDou, Galileo, QZSS1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Dual-frequency GNSSiMultiple GNSS signal frequencies expressly documented by the maker, not a count of satellite constellations.

Not available

Not available

Connector

USB-C1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

USB-C1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

USB data standardiUSB data protocol/speed, distinct from the USB-C connector shape, cable rating and charging capability.

USB 3.2 (5 Gbps)1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

USB 3.2 (up to 10 Gbps)1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026USB row: USB 3.2 (Up to 10 Gbps).

Video out over USBiWired external display output over the physical port. Casting or wireless desktop mode does not establish wired video support.

Yes1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Explicit wired DisplayPort output through USB-C, up to 4K at 60 fps. Wireless casting is distinct.

Not available

IR blaster

Not available

Yes1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

FM radio

Not available

No1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026FM Not supported.

Features and sensors

5 of 5 differ

FingerprintiUnder-display, type not stated is for a maker that says in-display or under-display but not optical or ultrasonic.

Side button7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026

Ultrasonic, under-display1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Face unlockiYes, type not stated is for a maker that names face unlock or facial recognition but not 2D or 3D.

None12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original Input Devices section explicitly identifies the phone as without Face Unlock.

Not available

Sensors

Accelerometer, Gyroscope, Proximity sensor, Barometer, Compass, Ambient light sensor12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026

Accelerometer, Ambient light sensor, E-compass, Proximity sensor, Color temperature sensor, Gyroscope, Laser focusing sensor, Hall sensor, Flicker sensor1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Sensors rows: accelerometer, ambient light, e-compass, proximity, color temperature, gyroscope. Others row: laser focusing, Hall and flicker sensors. The infrared blaster has its own field.

Extra buttonsiAdditional physical controls beyond ordinary power and volume buttons. On-screen navigation buttons are excluded.

Shutter button7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026

Not available

Haptic motor

Linear vibration motor12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026

X-axis linear motor1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Motor row: Linear motor. The overview names a high-sensitivity X-axis linear motor.

Battery and charging

11 of 17 differ

Rated battery capacityiRated/minimum manufacturer capacity when available. Multi-cell pack-equivalent mAh must be explicitly published and identified in the source note. Regional hardware must match.

4,850mAh10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026Original EU fiche explicitly states rated capacity 4850 mAh. Maker headline 5000 mAh is unclassified in accessible text and is not copied into rated or typical capacity.

6,395mAh1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Footnote 10 and the battery row: rated capacity 6395 mAh (3.74 V), single-cell design.

Battery capacity (typical)iManufacturer typical capacity, kept separate from rated/minimum capacity. For series cells, identify any explicitly published pack-equivalent figure.

Not available

6,600mAh1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Typical capacity 6600 mAh (3.74 V).

Rated battery energyiRated pack energy in watt-hours. Do not calculate it from rounded voltage or mAh. Typical energy, when different, belongs in the source note.

Not available

23.92Wh1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Rated energy 23.92 Wh. Typical energy is 24.69 Wh.

Battery type

Not available

Li-ion1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Battery Type row: Li-ion battery. Digital Trends calls it silicon-carbon, which vivo does not state.

Claimed battery lifeiMaker runtime claim for a named use case. Identify up-to/at-least wording, regional battery hardware and test conditions in the source note.

ASony Xperia 1 VIII

Not available

Bvivo X300 Ultra

Use case	Hours (h)
Video streaming	38.8

Source2Maker product pagevivo.com/en/products/x300-ultraRead 14 October 2026Overview: 38.8 h YouTube video playback. Footnote: vivo lab test at 25 C, fully charged, minimum screen brightness, muted.

Maximum wired charging power (claimed)iManufacturer-stated handset charging input maximum. An adapter rating, power needed to achieve maximum speed, common-charger requirement or reviewer peak draw does not establish this value.

Not available

100W1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026100W FlashCharge with the standard charger. Footnote 2: actual charging power is adjusted dynamically.

Wired charging standards

USB Power Delivery1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026USB PD is explicitly supported. Maker handset input maximum was not found. Adapter recommendations and the EU 3 W common-charger minimum do not establish the handset maximum.

FlashCharge, USB PD8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Not stated here. See Android Central for USB PD.9Reviewandroidcentral.com/phones/vivo/vivo-x300-ultra-reviewRead 14 October 2026Review (7 April 2026): 100W fast charging, and up to 50 W with USB PD chargers.

Charge 0 to 50% (claimed)iManufacturer time to 50% from the stated starting level. A 55% or 75% claim is not interchangeable. Charger, cable and conditions belong in the source note.

Not available

Not available

Charge 0 to 100% (claimed)iManufacturer full-charge claim. A review measurement uses measured_charge_time_min instead.

Not available

Not available

Wireless charging

Yes1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Yes1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Wireless charging power

Not available

40W1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Footnote 2: up to 40 W with the included charger and cable or the vivo 50W Vertical Wireless Charger 2. The older vivo 50W Vertical Wireless Charger is not compatible.

Wireless standardsiDevice wireless charging standard or qualification. Qi2 Ready needs a compatible magnetic case and does not mean built-in handset magnets.

Qi1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026

Proprietary1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026vivo FlashCharge wireless with its own vertical charger. No Qi or Qi2 claim is made, so proprietary is stored.

Built-in alignment magnetsiTrue only for alignment magnets built into the handset. A magnetic case or accessory does not make this true.

Not available

Not available

Reverse wireless output poweriPhone output power while charging another device wirelessly, not its wireless input rating.

Not available

Not available

Reverse wired

Not available

Yes7Spec databaseus.smartprix.com/mobiles/vivo_x300_ultra_vs_oneplus_16-cpd1i5d5dvnf_pd1gxjpt2qh.phpRead 14 October 2026Spec row: reverse charging yes. Digital Trends also lists reverse wired and wireless charging.8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Spec table: reverse wired and wireless charging.

Charger in boxiWhether a mains charging adapter is included in the exact regional retail bundle. A USB cable alone is not a charger.

No7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Charging chapter explicitly states a charger is not included in the package. Optional XQZ-UC1 and USB cables do not prove bundle inclusion.

Yes1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Global page: Charger Included. The EU page says Not included.3Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 2026EU page: Charger Not included. A Quick Start Guide is included.

Included adapter rated poweriRated power of the included adapter, distinct from the phone maximum charging input.

Not available

Not available

Measured

5 of 9 differ

Geekbench single-coreiReviewer CPU single-core result. Geekbench version, tested configuration and modes belong in the source note. Do not combine versions.

3,542points12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original July 2026 European 12 GB/256 GB unit running Android 16. Geekbench 6-series CPU single-core. Current table heading says 6.7, but original run minor version, firmware and performance mode are not individually stated.

3,529points8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Geekbench 6 single-core 3529. 16 GB RAM and 1 TB unit, mostly the Chinese variant. Minor version and power mode are not stated.

Geekbench multi-coreiReviewer CPU multi-core result. Geekbench version and tested configuration belong in the source note.

9,631points12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Same original Android 16, 12 GB/256 GB unit. Geekbench 6-series CPU multi-core, not another chipset edition. Original minor version and mode are unstated.

10,903points8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Geekbench 6 multi-core 10903, same unit.

3DMark Wild Life ExtremeiReviewer Wild Life Extreme score. Unlimited, Original, Solar Bay, stress-test stability and frame rates are different measurements. Version and run/loop conditions belong in the source note.

6,574points12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Same European Android 16, 12 GB/256 GB unit. Ordinary Wild Life Extreme score 6574. Unlimited 6496 and stress-test stability are distinct. Ordinary binary version, run loop and performance mode are not stated.

7,075points8Reviewdigitaltrends.com/phones/vivo-x300-ultra-review-so-close-to-perfection-it-hurtsRead 14 October 2026Wild Life Extreme 7075 from the review chart. Same unit. Single run is not stated. Default performance profile with no cooling accessory.

AnTuTuiReviewer AnTuTu total score. Test version, operating system and tested RAM/storage belong in the source note. Cross-version and cross-OS scores are not directly comparable.

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Display brightness (measured)iReviewer brightness result. Window size, manual/auto or HDR mode and test method belong in the source note. Not automatically a sustained full-screen peak. On a foldable, the main inner screen.

2,195nits12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Same test configuration. Original display table gives APL18 peak 2195 cd/m² using X-Rite i1Pro 3. HDR peak 2215 and full-screen averages are distinct. Auto/manual mode and firmware are not stated, so this is not a sustained full-screen claim.

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PWM dimming (measured)iMeasured by a reviewer, not claimed by the maker

240Hz12Reviewnotebookcheck.net/Why-this-lightweight-top-of-the-line-smartphone-is-better-than-its-specs-suggest-Sony-Xperia-1-VIII-Review.1340527.0.htmlRead 5 October 2026Original review detects 240 Hz PWM on same test unit, shown across brightness samples. It is not a maker dimming claim or a universal frequency at every setting.

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Mixed-use battery life (measured)iReviewer mixed-use active endurance. Identify the test method. Continuous web browsing or video-only tests cannot populate this field.

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Full charge time (measured)iReviewer time to a full charge, with start/end percentage and charger identified. A 15/30-minute percentage result is not a full-charge time.

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Loudspeaker loudness (measured)iReviewer integrated loudness in LUFS. Less negative numbers mean louder output. This is not sound pressure level in dB.

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EU label and regulatory

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EU energy class

A10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026

B6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Class B.

Battery endurance per cycle (EU test)iStandardized EU endurance test result for the exact registered model. Preserve only the precision the source publishes. This is not a normal mixed-use or video-playback runtime.

51h10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026Fiche publishes 51 hours. Label is 51 h 7 min and API decimal is 51.12 hours. Whole-hour fiche precision is retained. Standardized EU test, not ordinary active-use endurance.

56h6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Item 8: ENDdevice 56 h, whole-hour precision.

Battery endurance in cycles (EU test)iMinimum standardized charge cycles before the specified remaining capacity threshold. Notes retain greater-than or at-least qualifiers. EPREL prints this value in hundreds, so 10 there is stored as 1000.

1,400cycles10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026Original fiche and label explicitly state 1400 cycles. API encoded value 14 is not the actual cycle count.

1,200cycles6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Item 9: 1200 cycles at default settings.

Drop resistance class

A10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026

B6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Class B, 180 falls without defect.

Repairability class

D10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026

C6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Class C, index 3.00.

SAR head (US)iHighest published head SAR under the US 1 g tissue method for the exact model. Record separation and conditions when stated.

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SAR body (US)iHighest published body SAR under the US 1 g tissue method. Do not substitute the limb result or EU 10 g result.

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SAR head (EU)iHighest published head SAR under the EU 10 g tissue method for the exact model.

0.97W/kg11Maker spec sheet (PDF)sony.com/electronics/support/res/manuals/5073/0fb219fb3a73cec0d48f8e259fc2fff9/50735151M.pdfRead 5 October 2026Original XQ-GE54 SAR document, English page 2. EU 10 g method. US 1 g values were not found.

0.99W/kg4Maker product pagevivo.com/eu/products/x300-ultraRead 14 October 2026EU overview footnote: SAR of X300 Ultra head 0.99 W/kg, body 1.29 W/kg. The footnote gives the 2 W/kg limit, which is the 10 g method.

SAR body (EU)iHighest published body SAR under the EU 10 g tissue method, excluding separate limb values.

1.09W/kg11Maker spec sheet (PDF)sony.com/electronics/support/res/manuals/5073/0fb219fb3a73cec0d48f8e259fc2fff9/50735151M.pdfRead 5 October 2026EU 10 g body SAR measured at 0 mm separation. Separate limb and charger-mode separation statements are excluded.

1.29W/kg4Maker product pagevivo.com/eu/products/x300-ultraRead 14 October 2026Same EU footnote.

Hearing aid compatibilityiPublished hearing-aid coupling or rating. Older M/T ratings, ASHA/HAP protocol support and conversational gain are different claims and must be named as published.

ASHA and HAP protocol support1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Published Audio Streaming for Hearing Aids and Hearing Access Profile support. No M/T rating is inferred.

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In the box

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In the box

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X300 Ultra, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (applied), Warranty Card1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026Global in-the-box list. Charger Included.3Maker product pagevivo.com/eu/products/param/x300-ultraRead 14 October 2026EU in-the-box list differs from the global one: Quick Start Guide, no charger.

Links

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Product page

www.sony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specifications2Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Exact working maker full-specification page retained. Separate marketing page timed out on independent reopening.

www.vivo.com/en/products/x300-ultra1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Spec sheet

www.sony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specifications1Maker product pagesony.co.uk/electronics/support/mobile-phones-tablets-mobile-phones/xperia-1-viii-256gb/specificationsRead 5 October 2026Original manufacturer full specifications for the 256 GB European reference. No separate technical sheet was found. The original manual and EU fiche were also opened.

www.vivo.com/en/products/param/x300-ultra1Maker product pagevivo.com/en/products/param/x300-ultraRead 14 October 2026

Manual

helpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdf7Owner's manualhelpguide.sony.net/mobile/xperia-1m8/v1/en/print.pdfRead 5 October 2026Original full Help Guide for XQ-GE54/XQ-GE74, 224 pages. Reference hardware is restricted to XQ-GE54 paragraphs.

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EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

253729010EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026Exact registered model XQ-GE54. Original fiche and label independently opened. Placement date is not retail availability.

25475416EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Model V2562, registration 2547541. Placed on the Union market from 27/03/2026.

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

2years10EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2537290_EN.pdfRead 5 October 2026Original fiche states supplier commercial guarantee 24 months for exact EEA model XQ-GE54. This applies to the EEA source market. No UK warranty period or statutory consumer rights are inferred.

2years6EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2547541_EN.pdfRead 14 October 2026Item 25: minimum supplier guarantee 24 months (EU).

Both are also in the API. Back to all phones.