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realme GT 8 Pro vs vivo X300 Ultra

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Product A: realme

GT 8 Pro

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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

Arealme GT 8 Pro

Bvivo X300 Ultra

General

7 of 11 differ

Series

GT1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026The maker menu lists realme GT 8 Pro under GT Series.

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.

RMX52103EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Model identifier RMX5210.4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Models row: RMX5210. Retailer listings call the EU unit RMX5210(EU).

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.

21 October 20254Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Launch row: announced 2025 October 21, first in China. The international launch followed in November 2025.

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

Status

Available4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Status row: available, released 2025 October 21.

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.

realme GT 7 Pro10Reviewgsmarena.com/realme_gt_8_pro-review-2903.phpRead 10 October 2026Review introduction compares the GT 8 Pro with the GT 7 Pro as its predecessor.

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.

Not available

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

Diary White, Urban Blue1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Specification page lists Diary White and Urban Blue. The overview page also shows Racing Green and an Aston Martin Dream Edition, which are not stored.12Press articlegsmarena.com/realme_gt_8_pro_india_price_sale_date-news-70434.phpRead 10 October 2026India colours Diary White and Urban Blue.

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

Bar1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Single-slab handset with a flat display.

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.

Not available

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.

Not available

Not available

Body

10 of 16 differ

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

161.8mm1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026About 161.80 mm.

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.

76.87mm1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026About 76.87 mm.

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

Thickness

8.3mm1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026About 8.2 mm (Diary White) and about 8.3 mm (Urban Blue). Stored per colour in variant rows. The base value is Urban Blue.

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.

214g(7.5 oz)1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026About 214 g (Urban Blue) and about 218 g (Diary White). Maker says size and weight may vary by configuration and manufacturing process.

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

Aluminium4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Build row says aluminum frame.5Reviewgsmarena.com/realme_gt_8_pro-review-2903p2.phpRead 10 October 2026Review: flat aluminum frame with a satin finish.

Not available

Front

Corning Gorilla Glass 7i2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Gorilla Glass 7i under High Durability.

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.

Vegan leather2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Product page describes a paper-like leather back made from recycled plastics and paper. The GSMArena review says the blue and green backs are a leather-like polymer and the white and Dream Edition backs are fibre-reinforced plastic.4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Build row lists a glass-fiber reinforced plastic back or a silicone polymer (eco leather) back.5Reviewgsmarena.com/realme_gt_8_pro-review-2903p2.phpRead 10 October 2026Review: the blue unit has a leather-like polymer back, which the maker calls paper-like. The white unit has a fibre-reinforced plastic rear panel.

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

IP66, IP68, IP692Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026IP69+68+66 dust and water resistance. Footnote 6: not a professional waterproof device, water resistant for up to 30 minutes at 0 to 2 metres.

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

Water resistance depth

2m2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Footnote 6: 0 to 2 metres.

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

Water resistance time

30min2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Footnote 6: up to 30 minutes.

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-SIMs2Active eSIM capacity1eSIM onlyNo1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Two nano SIM card slots. The GSMArena review says an eSIM can replace the second SIM at least on EU units.4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026International row: nano-SIM, nano-SIM and eSIM (max 2 at a time).5Reviewgsmarena.com/realme_gt_8_pro-review-2903p2.phpRead 10 October 2026Review: the SIM tray takes two nano SIMs, and an eSIM can be used instead of SIM 2, at least on the EU review units.

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

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Display

12 of 24 differ

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

6.79in(17.2 cm)1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Size: 6.79 inches.

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

Resolution

1440 × 3136px1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026QHD+ 3136x1440 pixels.

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

Pixel density

508.2ppi=CalculatedFrom Screen size and Resolution

510.3ppi=CalculatedFrom Screen size and Resolution

Aspect ratio

Not available

Not available

Display type

OLED1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Screen Type: AMOLED. No LTPO claim.

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)

AMOLED1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Screen Type: AMOLED. The maker does not call it LTPO.

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.

144Hz1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Maximum 144 Hz. The GSMArena review found 144 Hz only in some games, with 120, 90 and 60 Hz elsewhere.6Reviewgsmarena.com/realme_gt_8_pro-review-2903p3.phpRead 10 October 2026Review: 144 Hz is only available in some games. Other times the panel runs at 120, 90 and 60 Hz, without LTPO behaviour.

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.

360Hz1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Touch Sampling Rate: 360 Hz, default 120 Hz.

Not available

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

3,200Hz2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Instant touch response 3200 Hz. Four-finger touch response is 360 Hz.

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.

1,000nits1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Normal brightness: 1000 nits (typical).

Not available

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

2,000nits1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026HBM: 2000 nits (typical). The product page adds 4000 nits under-sun brightness, which is not stored.

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.

7,000nits1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Maximum peak brightness 7000 nits. Product page footnote 4 says local peak brightness data is from the realme lab. Window size is not published.

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

1nit2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 20261 nit night display mode.

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 pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 20261.07 billion colors (10-bit).

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

100%1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Colour Gamut: 100% DCI-P3. Maker claim.

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.

HDR10, HDR10+, Dolby Vision6Reviewgsmarena.com/realme_gt_8_pro-review-2903p3.phpRead 10 October 2026Review: supports HDR10, HDR10+ and Dolby Vision. The Netflix app reported all three. The GSMArena spec line also lists HDR Vivid, which is not confirmed outside China.

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

Not available

Not available

Front camera cutout

Not available

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

2 of 10 differ

OS at launch

Android 164Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026OS row: Android 16, up to 4 major OS updates, Realme UI 7.0.

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

Software

realme UI 7.01Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026System: realme UI 7.0.

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.

Not available

Not available

Chipset

Qualcomm Snapdragon 8 Elite Gen 51Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Snapdragon 8 Elite Gen 5 Mobile Platform.

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

3nm4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Chipset row says 3 nm.

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

CPU cores

81Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026CPU: 8 cores.

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.

Arealme GT 8 Pro

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

Source4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026CPU row: 2x4.6 GHz Oryon V3 Phoenix L and 6x3.62 GHz Oryon V3 Phoenix M.

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 8401Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Adreno 840 at 1200 MHz.

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

3 of 6 differ

RAM

12, 16GB1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Up to 16 GB RAM. The maker says maximum RAM and storage vary by country and region. The 12 GB and 16 GB options come from the India launch report.12Press articlegsmarena.com/realme_gt_8_pro_india_price_sale_date-news-70434.phpRead 10 October 2026India launch report: 12 GB/256 GB and 16 GB/512 GB. The review unit is 16 GB/512 GB and GSMArena lists a 12 GB/256 GB offer in Europe.

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.

LPDDR5X4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Review text: 16 GB of LPDDR5X RAM.

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.

256, 512GB1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Up to 512 GB storage, before formatting. The 256 GB and 512 GB options come from the India launch report. A 1 TB option exists in China only.12Press articlegsmarena.com/realme_gt_8_pro_india_price_sale_date-news-70434.phpRead 10 October 2026India launch report: 256 GB and 512 GB options.

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 4.14Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Memory row says UFS 4.1.

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

Memory card

None4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Card slot row says No.

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

Max card size

Not available

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.

Arealme GT 8 Pro

Role	Resolution (MP)	Aperture (f/)	Focal length (35 mm equivalent) (mm)	Sensor optical format	Pixel size (µm)	Autofocus	OIS	Optical zoom	Field of view	Sensor
Main	50	1.8	Not available	1/1.56"	1	PDAF	Yes	Not available	90°	Not available
Ultrawide	50	2	16	1/2.88"	0.64	Fixed	Not available	Not available	116°	OmniVision OV50D
Periscope telephoto	200	2.6	65	1/1.56"	0.5	PDAF	Yes	3×	36°	Samsung ISOCELL HP5 (S5KHP5)

Source1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Maker gives a 50 MP f/1.8 main camera with 90 degree field of view, a 50 MP f/2.0 ultrawide with 116 degrees and a 200 MP f/2.6 telephoto with 36 degrees. The product page adds 1/1.56 inch main and telephoto sensors, a 1/2.88 inch ultrawide, 16 mm and 65 mm equivalents and OIS plus EIS on the telephoto. Pixel sizes, OIS on the main camera, autofocus types and the 3x optical zoom come from GSMArena. The main camera equivalent focal length is left out because GSMArena shows 22 mm in the spec table and 24 mm in the review.4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Camera rows: 1.0 um main, 0.5 um telephoto, 0.64 um ultrawide pixels, multi-directional PDAF with OIS on the main and telephoto cameras, 3x optical zoom, periscope telephoto. The ultrawide has no autofocus.11Reviewgsmarena.com/realme_gt_8_pro-review-2903p5.phpRead 10 October 2026Review camera line: the telephoto uses the Samsung ISOCELL HP5 (S5KHP5) sensor, which the review says realme stated. The 50 MP ultrawide has an OmniVision OV50D sensor and no autofocus. The main sensor is not named and its focal length is listed as 24 mm in the review and 22 mm in the GSMArena spec table.

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

50MP=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.

3×=CalculatedFrom Physical rear cameras

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

LED flash4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Camera features row lists an LED flash.

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

Photo, Video, Portrait, Night, Panorama, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Google Lens, Underwater, PRO, Text scanner, Scan, TILT-SHIFT, AI landscape, Food, RICOH GR, starry, Laser focusing sensor, Spectral sensor1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Rear shooting modes from the specification page. The laser focusing and spectral sensors are listed in the sensors block and are not cameras.

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.

Arealme GT 8 Pro

Width (px)	Height (px)	Highest capture rate (fps)
7680	4320	30
3840	2160	120
1920	1080	240
1280	720	480

Source1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Rear video: 8K at 30 fps, 4K at 30, 60 and 120 fps, 1080p at 30, 60 and 120 fps. Slow motion: 4K and 1080p at 120 fps, 1080p at 240 fps and 720p at 240 and 480 fps. The table keeps the highest rate for each resolution, including slow motion.

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

7680 × 4320px=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.

Dolby Vision1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Maker lists Dolby Video recording at 4K 120, 60 and 30 fps and 1080p 120, 60 and 30 fps. The product page says Dolby Vision recording.

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

Yes1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Product page recording specifications list 10-bit Log.

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.

Not available

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

OIS, EIS2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Telephoto stabilisation OIS+EIS. The GSMArena review also lists an always-on electronic stabilisation.

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.

480fps1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026720p at 480 fps. 1080p tops out at 240 fps and 4K at 120 fps.

Not available

Front camera

3 of 3 differ

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

Arealme GT 8 Pro

Role	Resolution (MP)	Aperture (f/)	Focal length (35 mm equivalent) (mm)	Sensor optical format	Pixel size (µm)	Autofocus	Field of view
Main	32	2.4	24	1/3.1"	0.7	Fixed	82°

Source1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 202632 MP, f/2.4, 82 degree field of view. The 24 mm equivalent is on the product page. The 1/3.1 inch sensor and fixed focus come from GSMArena.4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Selfie row: 32 MP, f/2.4, 24 mm, 1/3.1 inch, 0.7 um.11Reviewgsmarena.com/realme_gt_8_pro-review-2903p5.phpRead 10 October 2026Review: 32 MP, 1/3.1 inch, f/2.4, 24 mm, fixed focus. The review says its sources conflict on the selfie sensor model.

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.

Arealme GT 8 Pro

Width (px)	Height (px)	Highest capture rate (fps)
3840	2160	60
1920	1080	60
1280	720	30

Source1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Front video: 4K at 30 and 60 fps, 1080p at 30 and 60 fps, 720p at 30 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

No=CalculatedFrom Front cameras

Not available

Audio

2 of 4 differ

Stereo speakers

Yes2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Symmetric Master Acoustic Speaker. The GSMArena review confirms two stereo speakers.

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

3.5 mm jack

No4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Sound row says no 3.5 mm jack.

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

Symmetric Master Acoustic Speaker, Dual 1115E Full Cavity NBass Bass Enhancement, 24-bit/192kHz Hi-Res audio2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Dual 1115E Full Cavity NBass Bass Enhancement and Symmetric Master Acoustic Speaker. The Hi-Res audio entry is from GSMArena.4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Sound row lists 24-bit/192kHz Hi-Res audio.

Not available

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

Not available

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

Network

5 of 10 differ

Network

GSM, UMTS, HSPA, LTE, 5G1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Frequency band list covers GSM, WCDMA, LTE FDD and TDD and 5G NR.4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Technology row: GSM / HSPA / LTE / 5G. No CDMA, EDGE or GPRS entry.

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 pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026GSM 850/900/1800/1900.

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, B6, B8, B191Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026WCDMA 1/2/4/5/6/8/19.

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, B18, B19, B20, B26, B28, B38, B39, B40, B41, B42, B48, B66, B711Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026LTE FDD 1/2/3/4/5/7/8/12/13/17/18/19/20/26/28/66/71 and TDD 38/39/40/41/42/48. This is the global and EU specification list for model RMX5210. The China model has different bands.

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, n2, n3, n5, n7, n8, n20, n28, n38, n40, n41, n48, n66, n71, n77, n78, n791Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 20265G NR 1/2/3/5/7/8/20/28/38/40/41/48/66/71/77/78/79.

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, NSA4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 20265G bands row marks the International list as SA/NSA.

Not available

5G mmWave

No1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026The maker band list has no mmWave bands.

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

4 of 13 differ

Wi-Fi

Wi-Fi 71Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Wi-Fi 7 (802.11be) supported.

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

Wi-Fi bands

2.4 GHz, 5 GHz1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Lists 2.4 GHz 2x2 plus 5 GHz 2x2 concurrent and 5 GHz 160 MHz. No 6 GHz band is stated.

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

Bluetooth

6.01Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Bluetooth 6.0, Low Energy.

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.

Not available

Not available

NFC

Yes1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026NFC supported. Maker says support depends on the region.

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, Galileo, QZSS, BeiDou, NavIC1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026GNSS dual band: BeiDou (B1I+B1C+B2a), GPS (L1+L5), GLONASS (G1), Galileo (E1+E5a), QZSS (L1+L5), NavIC (L5).

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.

Yes1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Maker says dual band GNSS.

Not available

Connector

USB-C1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Type-C port.

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 2.04Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026USB row says USB Type-C 2.0, OTG.

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.

Not available

Not available

IR blaster

Yes1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Infrared remote control listed.

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

FM radio

No4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Radio row says No.

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

Features and sensors

2 of 5 differ

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

Ultrasonic, under-display1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Ultrasonic fingerprint sensor, under the display.

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.

Not available

Not available

Sensors

Proximity sensor, Ambient light sensor, Color temperature sensor, E-compass, Accelerometer, Gyroscope, Hall sensor, Laser focusing sensor, Spectral sensor1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Maker sensor list.

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.

Not available

Not available

Haptic motor

0816 Large Size Vibration Ultra Haptic Motor2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 20260816 Large Size Vibration, Ultra Haptic Motor.

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.

6,850mAh1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Footnote 3: dual-cell 2x3425 mAh, equivalent to 6850 mAh (rated). EPREL lists 3425 mAh rated per cell.2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Footnote 3: 2x3500 mAh equals 7000 mAh typical and 2x3425 mAh equals 6850 mAh rated.

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.

7,000mAh1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 20267000 mAh (typical), as 2x3500 mAh dual cells.

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.

25.9Wh1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Maker lists 2x3425 mAh at 25.9 Wh (rated). Typical energy is 26.46 Wh for 2x3500 mAh.

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

Silicon-carbon2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026Silicon content 16% on the performance panel.6Reviewgsmarena.com/realme_gt_8_pro-review-2903p3.phpRead 10 October 2026Review: a silicon carbon type of battery.

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.

Arealme GT 8 Pro

Use case	Hours (h)
Video streaming	21

Source2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026YouTube 21 hrs on the performance panel. Realme lab data. FPS game 7 hrs and Moba game 8 hrs are not stored.

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.

120W1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026120 W (max), 11 V at 11 A (max). Charging data comes from the realme lab.

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

SuperVOOC 2.0, SuperVOOC, VOOC 3.0, QC, UFCS, PD, PPS1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Supports SuperVOOC 2.0, SuperVOOC, VOOC 3.0, QC, UFCS, PD and PPS.

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.

15min2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 20260 to 50% in 15 minutes with 120 W. Realme lab claim, conditions not published.

Not available

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

43min2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 20260 to 100% in 43 minutes with 120 W. Realme lab claim.

Not available

Wireless charging

Yes1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Supports up to 50 W wireless charging.

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

Wireless charging power

50W1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 202650 W wireless charge (max).2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 202650W wireless charge on the product page.

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.

Proprietary6Reviewgsmarena.com/realme_gt_8_pro-review-2903p3.phpRead 10 October 2026Review: rated for 50 W when using proprietary peripherals. Qi support is not stated.

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.

10W4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Charging row lists 10W wireless reverse. The maker does not publish it.

Not available

Reverse wired

Yes4Spec databasegsmarena.com/realme_gt_8_pro-14245.phpRead 10 October 2026Charging row lists 5W reverse wired.

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.

Yes1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Packing list includes a charger. The GSMArena review says the bundle may differ by region and that most EU units may ship without one.

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.

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Measured

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

3,666points8Measurementgsmarena.com/realme_gt_8_pro-review-2903p4.phpRead 10 October 2026Geekbench 6 single-core, chart row Realme GT8 Pro, 512 GB and 16 GB RAM: 3666.

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.

10,694points8Measurementgsmarena.com/realme_gt_8_pro-review-2903p4.phpRead 10 October 2026Geekbench 6 multi-core, same row: 10694.

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.

7,509points8Measurementgsmarena.com/realme_gt_8_pro-review-2903p4.phpRead 10 October 20263DMark Wild Life Extreme (Highest) 7509, single best run. The lowest run of the stress test was 2505 and is not stored. Unlimited and Solar Bay results are separate.

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.

2,955,505points8Measurementgsmarena.com/realme_gt_8_pro-review-2903p4.phpRead 10 October 2026AnTuTu v10 total 2955505 on the 16 GB and 512 GB unit. The same page lists AnTuTu v11 at 3873902. Version 10 is stored so older catalog entries stay 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.

1,951nits7Measurementgsmarena.com/realme_gt_8_pro-review-2903p3.phpRead 10 October 2026GSMArena max brightness test, 75% white pattern, auto mode under bright light: 1951 nits. The same pattern in the gallery app reached 2262 nits, a 10% patch in the gallery 4020 nits and manual mode 953 nits. The stored value is the 75% auto result in the standard setup. The maker 7000 nit peak is a local peak figure from the realme lab, and the review reached about 4000 nits only on a 10% patch with the light sensor lit, so a large gap to the 75% window result is expected.

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

Not available

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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

B3EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Row 6: class B.

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.

60h3EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Row 8: 60 h per cycle.

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.

1,100cycles3EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Row 9: 1100 cycles at default settings.

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

D3EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Row 14: class D, 60 falls without defect.

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

Repairability class

C3EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Row 20: class C, index 3.24.

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.

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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.

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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.

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In the box

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In the box

Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Safety Guide x 1, Protective Case x 11Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026Packing list as published.

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

Not compared

Product page

www.realme.com/global/realme-gt-8-pro2Maker product pagerealme.com/global/realme-gt-8-proRead 10 October 2026

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

Spec sheet

www.realme.com/global/realme-gt-8-pro/specs1Maker product pagerealme.com/global/realme-gt-8-pro/specsRead 10 October 2026

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

Manual

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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.

24591713EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Product information sheet for model identifier RMX5210, registration 2459171.

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.

2years3EU energy label (EPREL)eprel.ec.europa.eu/fiches/smartphonestablets20231669/Fiche_2459171_EN.pdfRead 10 October 2026Row 25: minimum guarantee offered by the supplier is 24 months. EU market only.

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.