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Microsoft Surface Laptop 4 13.5-inch (Ryzen 5) vs Microsoft Surface Laptop 4 15-inch (Ryzen 7)

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Product A: Microsoft

Surface Laptop 4 13.5-inch (Ryzen 5)

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B

Product B: Microsoft

Surface Laptop 4 15-inch (Ryzen 7)

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All 179 fields

Every value links to where we found it.

Only differences

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

General

3 of 9 differ

Series

Surface Laptop7Press releaseblogs.windows.com/devices/2021/04/13/introducing-surface-laptop-4-and-new-accessories-for-enhanced-meeting-experiencesRead 5 October 2026

Surface Laptop7Press releaseblogs.windows.com/devices/2021/04/13/introducing-surface-laptop-4-and-new-accessories-for-enhanced-meeting-experiencesRead 5 October 2026

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

5PB-000015Retailer pagebhphotovideo.com/c/product/1631875-REG/microsoft_5pb_00001_13_5_multi_touch_surface_laptop.htmlRead 5 October 2026Original US 5PB-00001, Platinum Alcantara, 4680U/8 GB/256 GB, Windows 10 Home. Later 00027 and refurbished/upgraded SKUs excluded. No current stock claim.

5UI-000015Retailer pagebhphotovideo.com/c/product/1631876-REG/microsoft_5ui_00001_15_multi_touch_surface_laptop.htmlRead 5 October 2026Original US 5UI-00001, Platinum metal, 4980U/8 GB/256 GB, Windows 10 Home. Later 00027 and refurbished/upgraded SKUs excluded. No current stock claim.

GTIN / EAN

88984272368715Certification listepeat.net/product-details/a35e1d98d2b2422eaabc1b0f5c4863afRead 7 October 2026Universal Product Codes list includes 889842723687. Same UPC maps 5PB-00001 in exact retailer listings. No other family UPC copied.16Retailer pageebay.com/p/23046151109Read 7 October 2026Product Identifiers: MPN 5PB-00001 and UPC 0889842723687, corresponding to 12-digit 889842723687. Corroborated by exact EPEAT product family registration. Other bad eBay CPU/GPU generic fields are not used.

Not available

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

13 April 20217Press releaseblogs.windows.com/devices/2021/04/13/introducing-surface-laptop-4-and-new-accessories-for-enhanced-meeting-experiencesRead 5 October 2026Maker April 13 announcement, preorders not retail release.

13 April 20217Press releaseblogs.windows.com/devices/2021/04/13/introducing-surface-laptop-4-and-new-accessories-for-enhanced-meeting-experiencesRead 5 October 2026Maker April 13 announcement, preorders not retail release.

Status

Not available

Not available

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

Microsoft Surface Laptop 3 13.5-inch19Reviewengadget.com/microsoft-surface-laptop-4-intel-amd-ultraportable-130018817.htmlRead 23 October 2026Engadget says Microsoft followed the Surface Laptop 3 with the Surface Laptop 4, and the 13.5-inch models look the same as the last generation.

Microsoft Surface Laptop 3 15-inch (Ryzen 5)13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Review compares the 15-inch Surface Laptop 4 with the 15-inch Surface Laptop 3 and says the $1,199 15-inch Ryzen 5 model is gone. Wikipedia infobox also lists Surface Laptop 3 as predecessor. Marketed-generation lineage at the same size, not hardware inheritance.16Spec databaseen.wikipedia.org/wiki/Surface_Laptop_4Read 10 October 2026Infobox Predecessor: Surface Laptop 3. Linked to the 15-inch Ryzen 5 Surface Laptop 3 entry for size match. Marketed-generation lineage, not hardware inheritance.

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.

Microsoft Surface Laptop 5 13.5-inch20Reviewpocket-lint.com/microsoft-surface-laptop-5-reviewRead 23 October 2026Pocket-lint's review of the 13.5-inch Surface Laptop 5 says it is the successor to the Surface Laptop 4.

Microsoft Surface Laptop 5 15-inch13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Wikipedia infobox lists Surface Laptop 5 as successor. The 15-inch Surface Laptop 5 is the same-size entry. Marketed-generation lineage, not hardware inheritance.16Spec databaseen.wikipedia.org/wiki/Surface_Laptop_4Read 10 October 2026Infobox Successor: Surface Laptop 5. Linked to the 15-inch Surface Laptop 5 entry for size match. Marketed-generation lineage, not hardware inheritance.

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

$999.997Press releaseblogs.windows.com/devices/2021/04/13/introducing-surface-laptop-4-and-new-accessories-for-enhanced-meeting-experiencesRead 5 October 2026Maker explicitly original US starting $999.99. Retained original 13.5-inch AMD 8 GB/256 GB entry configuration.

$1,299.9911Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Review states the 15-inch Surface Laptop 4 starts at $1,299.99 and $1,699.99 as tested. Windows Central's consumer table lists the 8 GB/256 GB Platinum Ryzen 7 as the $1,299 entry model. US price, excludes tax.13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Consumer table for the 15-inch lists Ryzen 7, 8 GB RAM, 256 GB, Platinum at $1,299.16Spec databaseen.wikipedia.org/wiki/Surface_Laptop_4Read 10 October 2026Configuration table lists the 15-inch consumer Ryzen 7 8 GB/256 GB at $1,300, which matches the $1,299.99 start price.

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

Not available

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

US5Retailer pagebhphotovideo.com/c/product/1631875-REG/microsoft_5pb_00001_13_5_multi_touch_surface_laptop.htmlRead 5 October 2026

US5Retailer pagebhphotovideo.com/c/product/1631876-REG/microsoft_5ui_00001_15_multi_touch_surface_laptop.htmlRead 5 October 2026

ColoursiThe maker's own colour names

Platinum5Retailer pagebhphotovideo.com/c/product/1631875-REG/microsoft_5pb_00001_13_5_multi_touch_surface_laptop.htmlRead 5 October 2026

Platinum5Retailer pagebhphotovideo.com/c/product/1631876-REG/microsoft_5ui_00001_15_multi_touch_surface_laptop.htmlRead 5 October 2026

Segment

Not available

Ultrabook10Reviewengadget.com/surface-laptop-4-review-2021-bigger-better-ultraportable-133047360-133047483.htmlRead 7 October 2026Review identifies the Ryzen 7 15-inch Surface Laptop 4 as an ultraportable. This is device class, not a measured specification.

Form factor

Not available

Clamshell11Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Opening describes Microsoft clamshell notebook. This fixed chassis feature applies to the 15-inch Ryzen family. No 16 GB /512 GB measured result is transferred.

Chassis

2 of 6 differ

DimensionsiClosed laptop body size. Minimum and maximum thickness describe the front and rear or other points stated by the maker.

Width308Depth223Thickness (max)14.5mm(12.1 × 8.8 × 0.6 in)1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Original consumer hardware rows. Across-screen width, front-to-back depth and closed height. 15-inch 339.5 mm, not rounded retailer 340.

Width339.5Depth244Thickness (max)14.7mm(13.4 × 9.6 × 0.6 in)1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Original consumer hardware rows. Across-screen width, front-to-back depth and closed height. 15-inch 339.5 mm, not rounded retailer 340.

Weight (published)iPublished laptop weight without the charger. A starting weight is identified in the source note and may vary with configuration.

1.265kg(2.8 lb)1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Matching Platinum Alcantara 1,265 g at 13.5 inches or Platinum metal 1,542 g at 15 inches. Adapter excluded.

1.542kg(3.4 lb)1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Matching Platinum Alcantara 1,265 g at 13.5 inches or Platinum metal 1,542 g at 15 inches. Adapter excluded.

Lid material

Aluminium1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Maker casing aluminium. Alcantara covers palm rest, not lid.

Aluminium1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Maker casing aluminium. Alcantara covers palm rest, not lid.

Bottom material

Aluminium1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Maker casing aluminium.

Aluminium1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Maker casing aluminium.

Max hinge angle

Not available

Not available

MIL-STD-810 testing (claimed)iManufacturer claim of MIL-STD-810 testing. The revision and tested procedures belong in the source note. This is not proof of every standard test.

Not available

Not available

Display

7 of 25 differ

Screen sizeiDiagonal of the main built-in display. Rounded-corner displays may be measured as a full rectangle.

13.5in(34.3 cm)1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

15in(38.1 cm)1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Native resolution

2256 × 1504px1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

2496 × 1664px1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Pixel density

200.8ppi=CalculatedFrom Screen size and Native resolution

200ppi=CalculatedFrom Screen size and Native resolution

Panel typeiDell's WVA means wide viewing angle and names no panel technology, so it is stored as IPS only when Dell or a review names IPS.

IPS12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact Ryzen 5 4680U, 8GB/256GB review configuration table: IPS. Screen measurements of linked Intel review are not copied.

IPS12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Specification table: 15-inch 2496 x 1664 IPS. Review explains display remains unchanged across the 15-inch family. Used as a stated panel subtype, not measured sample model or calibration.

Backlight

Not available

Not available

Dimming zonesiIndependently controlled backlight zones, not the number of LEDs or screen pixels.

Not available

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Panel part numberiPanel part number identified in a matching review unit. Suppliers may vary within the same laptop configuration.

LQ135P1JX5112Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact review configuration table identifies LQ135P1JX51. Published panel supplier can vary between units.

Not available

Screen surfaceiSurface of the stored display configuration. Anti-reflective coatings do not by themselves make a glossy display matte. A matte finish of the chassis is not the screen surface.

Not available

Glossy12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Specification table glossy: yes. Display prose identifies a reflective capacitive touchscreen. No supplier part number or measurement is transferred.

Touchscreen

Yes1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

Yes1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Stylus

Supported1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

Supported1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Refresh rate modesiHighest confirmed operating refresh rate of the built-in display at each resolution. Add a second row only for a documented dual-mode panel, not an ordinary supported timing.

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

Width (px)	Height (px)	Maximum operating refresh (Hz)
2256	1504	60

Source12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact configuration table identifies native 2256 x 1504 display operating at 60 Hz. No lower-resolution maxima or VRR state inferred.

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

Width (px)	Height (px)	Maximum operating refresh (Hz)
2496	1664	60

Source12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Exact 15-inch 2496 x 1664 built-in display table states 60 Hz. Fixed standard panel mode. No external-display or variable-refresh capability inferred.

Max refresh rate

60Hz=CalculatedFrom Refresh rate modes

60Hz=CalculatedFrom Refresh rate modes

Adaptive synciNamed variable refresh technologies for the built-in display. Manual switching between 60Hz and 120Hz is not VRR.

Not available

Not available

Gray-to-gray response time (claimed)iManufacturer claim for a gray-to-gray pixel transition. Do not use generic response times, black-to-white values, or motion-picture response times.

Not available

Not available

Native panel colour depthiPhysical panel colour depth per channel. Do not infer native bit depth or FRC from the number of supported colours.

Not available

Not available

Brightness (SDR, claimed)iManufacturer typical SDR luminance. Outdoor maxima and an unspecified peak are not typical SDR brightness.

Not available

Not available

Peak brightness (SDR outdoors, claimed)iManufacturer maximum SDR luminance explicitly claimed for outdoor use. Ambient light, automatic brightness and other stated conditions belong in the source note. Not typical SDR or HDR brightness.

Not available

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Sustained brightness (HDR, claimed)iManufacturer explicitly sustained HDR luminance. Screen area, duration, temperature and other stated conditions belong in the source note. Not a brief peak or SDR luminance.

Not available

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Peak brightness (HDR, claimed)iManufacturer peak luminance explicitly measured or claimed in HDR. Window size and duration belong in the source note.

Not available

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sRGB coverage (claimed)iManufacturer stated sRGB gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

Not available

DCI-P3 coverage (claimed)iManufacturer stated DCI-P3 gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

Not available

Adobe RGB coverage (claimed)iManufacturer stated Adobe RGB gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

Not available

HDR certification

Not available

None13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Review says the display has no HDR support and no wide colour gamut. No DisplayHDR certification is listed by the maker.

Factory calibratediThe maker explicitly states factory colour calibration. Certification alone does not establish calibration.

Not available

Not available

Second display

Not available

Not available

Processor

7 of 14 differ

Processor

AMD Ryzen 5 4680U Microsoft Surface Edition1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

AMD Ryzen 7 4980U Microsoft Surface Edition1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Processor brand

AMD1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

AMD1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Core configurationiProcessor core groups using the chip maker's names. MediaTek Big, Apple Super and AMD Zen architecture labels remain distinct from Intel P and E labels.

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

Count	Base clock (GHz)	Max clock (GHz)
6	2.2	4

Source6Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-5-4680u-microsoft-surface-edition.htmlRead 5 October 2026Exact custom Surface Edition chip core count, base and maximum boost clocks. No invented Intel P/E classifications. Generic 15 W/cTDP 10-25 W not laptop-configured limits.

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

Count	Base clock (GHz)	Max clock (GHz)
8	2	4.4

Source6Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-7-4980u-microsoft-surface-edition.htmlRead 5 October 2026Exact custom Surface Edition chip core count, base and maximum boost clocks. No invented Intel P/E classifications. Generic 15 W/cTDP 10-25 W not laptop-configured limits.

CPU cores

6=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Cores labelled performanceiCounts only rows classified as performance. Other labels, including Big, Super and AMD Zen architecture rows, are not included.

Not available

Not available

Cores labelled efficiencyiCounts only efficiency and low-power-efficiency rows. AMD Zen 5c and Apple super cores are not included.

Not available

Not available

ThreadsiMaximum hardware threads of the processor, including simultaneous multithreading where supported.

126Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-5-4680u-microsoft-surface-edition.htmlRead 5 October 2026

166Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-7-4980u-microsoft-surface-edition.htmlRead 5 October 2026

Max boost clock

4GHz=CalculatedFrom Core configuration

4.4GHz=CalculatedFrom Core configuration

L3 cacheiL3 cache only. Do not copy a combined L2 plus L3 cache total. Qualcomm's total cache, such as 30 MB on Snapdragon X, is not L3, even when a laptop maker labels it L3.

8MB6Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-5-4680u-microsoft-surface-edition.htmlRead 5 October 2026Maker explicitly 8 MB L3. Separate L2 excluded. Retailer 15-inch 12 MB conflates or borrows another model and is excluded.

8MB6Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-7-4980u-microsoft-surface-edition.htmlRead 5 October 2026Maker explicitly 8 MB L3. Separate L2 excluded. Retailer 15-inch 12 MB conflates or borrows another model and is excluded.

ProcessiProcess size class of the processor compute die in nm, as on CPUs: TSMC N3B is 3, Intel 7 is 10, Intel 4 is 7 and Intel 18A is 1.8. Marketing process names and other chiplet processes belong in the source note.

7nm6Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-5-4680u-microsoft-surface-edition.htmlRead 5 October 2026Maker explicitly TSMC 7 nm FinFET for CPU cores. No marketing-name conversion.

7nm6Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-4000-series/amd-ryzen-7-4980u-microsoft-surface-edition.htmlRead 5 October 2026Maker explicitly TSMC 7 nm FinFET for CPU cores. No marketing-name conversion.

Sustained CPU power (configured)iThis laptop's sustained configured CPU power limit, such as PL1. A chip manufacturer's generic base power is not the laptop setting.

23W12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact reference unit Processor configuration table: 23 W PL1 / Sustained. This is reviewer-reported laptop limit, not AMD generic TDP. Separate from observed sustained package power.

Not available

Peak CPU power (configured)iThis laptop's configured short-duration CPU limit, such as PL2. Do not substitute generic processor maximum turbo power.

44W12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact reference unit Processor configuration table: 44 W PL2 / Short Burst. This is reviewer-reported laptop limit, not a generic chip rating.

Not available

Combined CPU and GPU poweriMaker stated simultaneous CPU plus discrete-GPU budget for the exact configuration and power mode.

Not available

Not available

NPU performanceiNPU-only claimed operations per second. Excludes combined CPU, GPU and platform AI throughput. Precision belongs in the source note.

Not available

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Graphics

0 of 9 differ

Discrete GPUiA separate dedicated graphics processor is installed. Integrated or unified-memory graphics do not qualify.

No5Retailer pagebhphotovideo.com/c/product/1631875-REG/microsoft_5pb_00001_13_5_multi_touch_surface_laptop.htmlRead 5 October 2026Exact inventory integrated AMD Radeon Graphics.

No5Retailer pagebhphotovideo.com/c/product/1631876-REG/microsoft_5ui_00001_15_multi_touch_surface_laptop.htmlRead 5 October 2026Exact inventory integrated AMD Radeon Graphics.

GPU

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GPU brand

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VRAMiDedicated video memory of the installed discrete GPU. Shared system memory is excluded.

Not available

Not available

Max GPU power (TGP)iMaximum configured discrete-GPU power including Dynamic Boost. Mode and any maker qualification belong in the source note.

Not available

Not available

Dynamic BoostiMaximum additional GPU power shifted from the CPU through NVIDIA Dynamic Boost. This is part of maximum TGP, not extra to it. A figure written as "up to 115W Dynamic Boost" is the total, so it goes in gpu_tgp_max_w.

Not available

Not available

GPU boost clockiHighest maker configured GPU boost clock, including factory overclock where explicitly stated. Mode belongs in the source note.

Not available

Not available

GPU switchingiExplicit GPU display-routing or power-sharing features. Advanced Optimus includes hardware display multiplexing.

Not available

Not available

Integrated GPU

AMD Radeon Graphics1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

AMD Radeon Graphics1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Memory

3 of 9 differ

Installed RAMiTotal installed RAM in this product configuration, not the maximum purchase option.

8GB5Retailer pagebhphotovideo.com/c/product/1631875-REG/microsoft_5pb_00001_13_5_multi_touch_surface_laptop.htmlRead 5 October 2026

8GB5Retailer pagebhphotovideo.com/c/product/1631876-REG/microsoft_5ui_00001_15_multi_touch_surface_laptop.htmlRead 5 October 2026

RAM type

LPDDR4X1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Final maker consumer LPDDR4x matches exact retail unit. Draft PDF 15-inch AMD DDR4/2400 MHz is inconsistent and excluded.

LPDDR4X1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Final maker consumer LPDDR4x matches exact retail unit. Draft PDF 15-inch AMD DDR4/2400 MHz is inconsistent and excluded.

RAM speediConfigured memory data rate in transfers per second. Do not treat the DRAM clock in MHz as the data rate.

4,266MT/s12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact 8GB memory table names LPDDR4X-4266. 4266 denotes the memory data-rate grade, in MT/s. It is not a 4266 MHz clock or a doubled number.

Not available

Memory channelsiActive memory channels of the installed configuration, not the number of RAM modules or slots. One installed module is one channel. This holds for DDR5 too, whose two 32-bit subchannels on one module do not count as two channels. Soldered LPDDR memory counts in 64-bit units, so a 128-bit bus is 2 channels, even when a maker calls it quad-channel.

212Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact memory table: Dual-Channel. Two active memory channels, not two DIMM modules.

Not available

RAM upgradeiWhether the installed RAM is soldered, socketed in slots, or a mixture. Purchase-time configurations are not upgrades.

Soldered11Maker product pagelearn.microsoft.com/en-us/answers/questions/2293579/how-can-i-upgrade-the-storage-and-ram-of-my-surfacRead 7 October 2026Microsoft Community Support Specialist Hahn W - MSFT answer dated August 9, 2024 states Surface Laptop 4 RAM is soldered to motherboard and cannot be upgraded. Exact Ryzen 5 / 8 GB review independently identifies onboard RAM. Purchase-time choices are separate.

Soldered12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Memory table states soldered. Chassis maintenance cannot upgrade RAM. This family hardware topology applies to 8 GB too.

Memory slotsiPhysical replaceable RAM module sockets grouped by type and occupancy. Clocked SO-DIMM uses CSODIMM. Soldered memory is excluded.

Not available

Not available

RAM slots

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Not available

Free RAM slots

Not available

Not available

Maximum supported RAMiManufacturer supported maximum RAM, including purchase-time soldered options. Does not imply post-purchase upgradeability.

Not available

16GB12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Opening explicitly says users needing 32 GB must choose Intel. Complete 15-inch sold-configuration table has AMD 8 GB or 16 GB and Intel up to 32 GB. Maximum AMD purchase-time soldered option is 16 GB, not generic processor addressability.

Storage

1 of 7 differ

Installed storageiTotal advertised installed storage in decimal GB. Convert 1TB to 1000GB, without changing an explicitly published 512GB value.

256GB5Retailer pagebhphotovideo.com/c/product/1631875-REG/microsoft_5pb_00001_13_5_multi_touch_surface_laptop.htmlRead 5 October 2026

256GB5Retailer pagebhphotovideo.com/c/product/1631876-REG/microsoft_5ui_00001_15_multi_touch_surface_laptop.htmlRead 5 October 2026

Storage type

NVMe SSD3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original April 2021 maker fact sheet mirrored publicly, 4 pages opened as indexed PDF text. Raw download 403 ceased. Storage explicitly M.2 NVMe SSD, offered 256 GB.

NVMe SSD3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original April 2021 maker fact sheet mirrored publicly, 4 pages opened as indexed PDF text. Raw download 403 ceased. Storage explicitly M.2 NVMe SSD, offered 256 GB.

Installed drive PCIe generationiPCIe generation of the installed drive. This may be lower than the slot capability.

Not available

Not available

Storage slotsiPhysical storage connectors grouped by capability and occupancy. A slot accepting several drive lengths is one slot, not one per length.

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

Form factor	Interface	Count	Occupied
M.2 2230	PCIe NVMe	1	Yes

Source17Reviewifixit.com/Guide/Microsoft+Surface+Laptop+4+(13.5-inch)+Heatsink+and+Fan+Replacement/158981Read 7 October 2026Complete 13.5-inch interior view step 11 and SSD removal steps 12-13 show one occupied storage socket. Exact R5/8GB/256GB Notebookcheck Storage Devices section identifies installed M.2-2230 PCIe SSD, while existing original Microsoft fact sheet establishes NVMe. No slot generation/lane count or alternative lengths inferred.18Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Storage Devices: exact Ryzen 5/8GB/256GB test unit has compact M.2-2230 PCIe SSD Samsung PM991. Supports matching slot form factor. Full physical socket quantity comes from matching 13.5-inch teardown, not a count of purchase options.

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

Form factor	Count	Occupied
M.2 2230	1	Yes

Source12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Maintenance identifies the small M.2-2230 SSD as the one replaceable storage drive. The exact-size iFixit SSD replacement guide separately describes the single socket. No PCIe generation or lane capability inferred.14Reviewdocuments.cdn.ifixit.com/pdf/ifixit/guide_156820_en.pdfRead 7 October 2026Exact Surface Laptop 4 15-inch procedure removes the one installed SSD from its socket at Step 15 before cooling removal. Complete internal layout shows one occupied storage connector. M.2-2230 form factor comes from the separately cited Notebookcheck Maintenance description. Guide warns that some photos are from another model, while the named removal procedure applies to this device.

M.2 slots

1=CalculatedFrom Storage slots

1=CalculatedFrom Storage slots

Free storage slots

0=CalculatedFrom Storage slots

0=CalculatedFrom Storage slots

Maximum slot PCIe generation

Not available

Not available

Ports

0 of 7 differ

PortsiPhysical laptop connectors grouped by type, protocol capability and side. One connector with several protocols is counted once.

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

Type	Version	Count
USB-C	Not available	1
USB-A	Not available	1
3.5 mm audio	Not available	1
Other	Surface Connect	1

Source1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Original physical connectors. No USB generations, rates, Thunderbolt or accepted input watts inferred. Modified Surface Laptop 4 SCR accessory adds HDMI/smartcard and is excluded.

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

Type	Version	Count
USB-C	Not available	1
USB-A	Not available	1
3.5 mm audio	Not available	1
Other	Surface Connect	1

Source1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Original physical connectors. No USB generations, rates, Thunderbolt or accepted input watts inferred. Modified Surface Laptop 4 SCR accessory adds HDMI/smartcard and is excluded.

USB-C ports

1=CalculatedFrom Ports

1=CalculatedFrom Ports

Thunderbolt

Not available

Not available

Highest HDMI version

Not available

Not available

Card reader

No=CalculatedFrom Ports

No=CalculatedFrom Ports

Ethernet speed

Not available

Not available

Maximum USB-C charging inputiHighest confirmed charging power accepted by a USB-C port. This is separate from adapter rating and power delivered to peripherals.

Not available

Not available

Wireless

2 of 5 differ

Wi-Fi

Wi-Fi 61Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

Wi-Fi 61Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Wi-Fi bandsiSupported radio frequency bands. Availability may be restricted by country or regulatory configuration.

Not available

2.4 GHz, 5 GHz2Maker product pagenews.microsoft.com/es-xl/fact-sheet-surface-laptop-4Read 10 October 2026Maker lists Wi-Fi 6 802.11ax compatible. The Intel AX200 module identified in the Tom's Hardware review unit supports 2.4 and 5 GHz per Intel ARK. No 6 GHz band.15Maker product pageintel.com/content/www/us/en/products/sku/189347/intel-wifi-6-ax200-gig/specifications.htmlRead 10 October 2026Intel ARK lists the Wi-Fi 6 AX200 (Gig+) with 2.4 and 5 GHz bands.

Wi-Fi module

Intel Wi-Fi 6 AX20012Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Exact AMD review Networking table and Case & Connectivity text: Intel AX200. AX201 belongs to the Intel CPU sibling and is excluded.

Intel Wi-Fi 6 AX20011Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Spec table of the review unit lists Intel Wi-Fi 6 AX 200 and Bluetooth 5. The review unit is Ryzen 7 4980U with 16 GB and 512 GB, not the retained 8 GB/256 GB. Suppliers may vary.

BluetoothiThe version as a number with one decimal, such as 5.4 or 6.0. A qualifier such as or above goes in the source note.

5.01Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

5.01Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Cellular

Not available

No13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Review cons list says no option for 4G LTE or 5G.

Keyboard and touchpad

3 of 8 differ

Keyboard layoutsiDocumented layouts of the retained regional SKUs. Do not infer a layout solely from the sales country.

QWERTY1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Maker explicitly QWERTY. No regional ANSI/ISO geometry inferred.

QWERTY1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Maker explicitly QWERTY. No regional ANSI/ISO geometry inferred.

Key switches

Not available

Not available

Keyboard backlightiA maker-confirmed backlight with no published type uses backlit_unspecified. Do not infer white lighting, a single colour or RGB from backlit alone. A single-zone RGB backlight is RGB zones.

Not available

Backlit, type not stated2Maker product pagenews.microsoft.com/es-xl/fact-sheet-surface-laptop-4Read 10 October 2026Maker fact sheet lists a full-size backlit keyboard with 1.3 mm travel for the 15-inch. Backlight colour not stated.

NumpadiDedicated physical numeric keypad. A virtual touchpad number pad is not counted.

Not available

No13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Design and features explicitly describes lack of a number pad on the 15-inch model. This fixed keyboard layout applies across memory configurations.

Key traveliPhysical key travel distance, not actuation distance.

1.3mm3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original keyboard row explicitly 1.3 mm travel, both sizes.

1.3mm3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original keyboard row explicitly 1.3 mm travel, both sizes.

Pointing stickiDedicated stick pointing device such as TrackPoint. A touchpad does not qualify.

Not available

Not available

Touchpad size

Width115Height76.66mm(4.5 × 3 in)3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original both-size rows explicitly 115 x 76.66 mm physical trackpad. No mechanical/haptic mechanism inferred.

Width115Height76.66mm(4.5 × 3 in)3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original both-size rows explicitly 115 x 76.66 mm physical trackpad. No mechanical/haptic mechanism inferred.

Touchpad mechanismiA clickpad or glass touchpad that clicks when pressed down is mechanical. Haptic needs a source that says haptic or force feedback.

Not available

Mechanical13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Review says the trackpad has a relatively quiet click when depressed, which describes a mechanical clickpad. Not a haptic trackpad.

Camera and audio

0 of 7 differ

Webcam

720p HD f/2.01Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

720p HD f/2.01Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

IR face loginiAn infrared camera suitable for Windows Hello face authentication. An ordinary webcam or fingerprint sensor does not qualify.

Yes4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026Guide separately identifies Windows Hello and front-facing cameras, maker table face authentication.

Yes4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026Guide separately identifies Windows Hello and front-facing cameras, maker table face authentication.

Webcam privacy

Not available

Not available

Built-in speaker driversiIndividual built-in acoustic drivers, including separate tweeters and woofers. Do not count audio channels or infer driver count from speaker assemblies.

Not available

Not available

Total speaker poweriCombined published power of the built-in speaker drivers. RMS or peak classification belongs in the source note.

Not available

Not available

Audio features

Dolby Atmos1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

Dolby Atmos1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

MicrophonesiPhysical built-in microphones, not beamforming channels or microphone modes.

21Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

21Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Battery and power

1 of 5 differ

Battery energyiPublished nominal energy capacity of the installed internal battery in watt-hours. Separate from measured runtime and charger output.

47.4Wh1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Nominal 47.4 Wh. Minimum 45.8 Wh excluded.

47.4Wh1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Nominal 47.4 Wh. Minimum 45.8 Wh excluded.

Claimed battery lifeiManufacturer maximum runtime for each explicitly named test. Display brightness, configuration and other conditions belong in the source note. Wireless streaming preserves an unnamed content type and does not imply video or audio. Video conferencing requires an explicit calling test, with application and participant setup in the source note. MobileMark versions use different workloads, so compare only rows of the same version.

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

Use case	Hours (h)
Mixed use	19

Source10Maker product pagenews.microsoft.com/es-xl/fact-sheet-surface-laptop-4Read 7 October 2026Battery/footnote: 13.5-inch Ryzen 5 Surface Edition, 8GB, up to 19 hours typical device usage. Microsoft February 2021 preproduction test combines eight-site browsing, Word/PowerPoint/Excel/Outlook, idle apps and Modern Standby. Default settings except 150 nits with automatic brightness off. Wi-Fi connected. This is not pure video or pure web runtime. The maker names tested CPU, screen size and 8 GB RAM but does not state SSD capacity. No tested storage capacity is inferred.

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

Use case	Hours (h)
Mixed use	17.5

Source2Maker product pagenews.microsoft.com/es-xl/fact-sheet-surface-laptop-4Read 10 October 2026Maker footnote: up to 17.5 hours of typical device usage for the 15-inch AMD Ryzen Surface Edition. Tested February 2021 on a preproduction 15-inch Ryzen 7 with 8 GB RAM. Full battery drain with a mix of active use and standby. Active use is eight-site web browsing, a Word, PowerPoint, Excel and Outlook productivity test and idle apps. Display at 150 nits, auto brightness off, connected to Wi-Fi.

Adapter rated outputiNominal rated output of the documented supplied or recommended adapter. A temporary dynamic maximum belongs in the source note. Not the laptop charging-input limit.

65W3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original power supply 60 W laptop output plus 5 W separate USB-A output, total 65 W rating. Not accepted USB-C input.

65W3Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original power supply 60 W laptop output plus 5 W separate USB-A output, total 65 W rating. Not accepted USB-C input.

Laptop charging connectoriConnector at the laptop end of the documented main charging cable, not the wall plug or adapter-end connector. HP's AC smart pin is a round DC plug, so it is barrel.

Proprietary4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026Maker explicit charging through proprietary Surface Connect or USB-C. Original supply includes separate USB-A output.

Proprietary4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026Maker explicit charging through proprietary Surface Connect or USB-C. Original supply includes separate USB-A output.

Charge 0 to 50 % (claimed)iManufacturer time to charge an empty battery to 50%. Adapter and powered-off conditions belong in the source note.

Not available

Not available

Cooling

1 of 4 differ

FansiPhysical cooling fans inside the laptop. Excludes fans in external coolers and the power adapter.

114Reviewifixit.com/Guide/Microsoft+Surface+Laptop+4+(13.5-inch)+Heatsink+and+Fan+Replacement/158981Read 7 October 2026Exact 13.5-inch repair guide: complete interior view step 11 and removed cooling module step 20 show one physical fan rotor. Step 16 disconnects the fan cable and step 20 removes heatsink and fan. Guide covers 13.5-inch family, corroborated by exact AMD reviewer's single-fan noise description. No 15-inch fan evidence imported.

114Reviewdocuments.cdn.ifixit.com/pdf/ifixit/guide_156820_en.pdfRead 7 October 2026Microsoft Surface Laptop 4 (15-inch) Heatsink and Fan Replacement, printed steps 17-23. One physical fan and cable, one heatsink/fan assembly removed. Generic procedure for exact 15-inch device.

Vapor chamberiA vapor-chamber heat spreader is installed. Ordinary heatpipes alone do not qualify.

Not available

Not available

Liquid metaliComponents where the maker confirms liquid-metal thermal material. Ordinary thermal paste is excluded.

Not available

None14Reviewdocuments.cdn.ifixit.com/pdf/ifixit/guide_156820_en.pdfRead 7 October 2026Step 21 explicitly states thermal paste bonds the heatsink to the CPU. Step 24 instructs cleaning CPU/heatsink and reapplying thermal paste. Reference has no discrete GPU. This proves ordinary factory paste instead of CPU liquid metal.

Power modesiPublished laptop operating modes and configured power limits. Do not place observed runtime power measurements in this table.

Not available

Not available

Security

2 of 4 differ

Fingerprint

Not available

None12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Security section explicitly says there are no additional security features such as a Kensington lock, smart card reader or fingerprint sensor. Fixed 15-inch chassis.

TPM

2.01Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026Published TPM 2.0, no firmware/discrete implementation inferred.

2.01Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026Published TPM 2.0, no firmware/discrete implementation inferred.

Remote management

Not available

Not available

Security lock slotiA dedicated built-in physical security-cable slot. Security locks that occupy a USB-C port do not qualify.

Not available

No12Reviewnotebookcheck.net/Microsoft-Surface-Laptop-4-15-laptop-review-New-AMD-processor-and-more-endurance.535914.0.htmlRead 7 October 2026Security section explicitly lists no Kensington lock. No third-party USB-port locks counted.

Software

0 of 3 differ

Operating system

Windows 10 Home 20H23Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original consumer Windows 10 Home 20H2 row, agrees original retained US SKU. Later 00027 Windows 11 refresh excluded.

Windows 10 Home 20H23Maker spec sheet (PDF)manuals.plus/m/3974bd48892e108d5919e64036f31c86862897f64e8be73824e84008c5fc231e_optim.pdfRead 5 October 2026Original consumer Windows 10 Home 20H2 row, agrees original retained US SKU. Later 00027 Windows 11 refresh excluded.

OS family

Windows1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

Windows1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Security updates untiliPublished end date of OS/security updates promised for the exact device model. Preserve the source precision. Do not calculate it from years or substitute a generic OS-version lifecycle. Unknown when no device-specific promise is published.

Not available

Not available

Measured display

3 of 12 differ

Brightness (measured, centre)iReviewer center-point SDR luminance for the matching display configuration. Do not substitute a review average or unspecified measurement.

Not available

399nits13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Reviewer states brightness peaks at an average of 399 nits in the center. Instrument and brightness setting not named in the sentence. Panel is the same across 15-inch configurations.

Brightness (measured, average)iReviewer mean luminance across a documented display grid, normally nine points.

Not available

Not available

Contrast ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

HDR peak brightness (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

sRGB coverage (measured)iReviewer measured sRGB coverage, not gamut volume. Instrument and method belong in the source note.

Not available

97%13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Reviewer states 97% sRGB. Stated as a percentage of the gamut that a 100% rival reaches, treated as coverage rather than volume. Instrument not named in the sentence.

DCI-P3 coverage (measured)iReviewer measured DCI-P3 coverage, not gamut volume. Display P3 measurements are identified in the source note.

Not available

75%13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Reviewer states 75% DCI-P3. Treated as coverage. Tom's Hardware reports 77.8% DCI-P3 with its own method, which is close. Instrument not named in the sentence.

Colour accuracy (measured Delta E)iReviewer colour error before calibration. Delta-E formula, colour space and picture mode belong in the source note.

Not available

Not available

PWM flicker foundiWhether a reviewer detected pulse-width-modulation flicker under the documented test conditions. False does not prove all frequency ranges were tested.

Not available

Not available

PWM frequency (measured)iDetected PWM frequency at the brightness setting stated by the reviewer.

Not available

Not available

PWM at or below brightnessiHighest display brightness setting at or below which the documented PWM is detected.

Not available

Not available

Response black to white (measured)iReviewer combined rise and fall response for black-to-white-to-black, with test conditions in the source note.

Not available

Not available

Response grey to grey (measured)iReviewer combined rise and fall response between specified grey levels. State the levels in the source note.

Not available

Not available

Measured performance

None of 8 known

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Geekbench 6 single-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 5 and 7 use other scales, so their scores are not stored.

Not available

Not available

Geekbench 6 multi-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 5 and 7 use other scales, so their scores are not stored.

Not available

Not available

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker. Graphics score, not the overall score. A score the review does not label as graphics is left out.

Not available

Not available

3DMark Steel NomadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

SSD sequential read (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Game frame ratesiMatching review-unit game results. Resolution, preset, upscaling, frame generation and ray tracing are stated only when documented.

Not available

Not available

Measured noise and temperature

7 of 9 differ

Fan noise per modeiReviewer sound-pressure readings for the matching configuration and mode. Measurement distance and workload belong in the source note.

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

Load	Noise (dB(A))
Idle	24.6
Max load	39.5

Source13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Noise level table: idle 24.6 and highest load 39.5 dB(A). Earthworks M23R with Arta, 15 cm, ambient 24.6 dB(A). Explicit power profile unstated. No separate gaming row inferred.

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

Load	Noise (dB(A))
Max load	46

Source13Reviewwindowscentral.com/surface-laptop-4-reviewRead 10 October 2026Reviewer states fan volume peaks around 46 dBA, about 2 dB below Surface Laptop 3. Peak CPU and GPU load. Distance and power mode not stated, so those keys are left out.

Max fan noiseiMeasured by a reviewer, not claimed by the maker

39.5dB(A)=CalculatedFrom Fan noise per mode

46dB(A)=CalculatedFrom Fan noise per mode

Fan noise while gamingiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Top surface under loadiMeasured by a reviewer, not claimed by the maker

45.8°C13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Max Load thermal grid and prose: top maximum 45.8 C. Voltcraft IR-900, room 21.4 C. Exact stress test unit.

41°C11Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Skin temperature while running the Cinebench R23 gauntlet. Hotspot between the G and H keys 41 C. Review unit 16 GB/512 GB. Room temperature not stated.

Bottom surface under loadiMeasured by a reviewer, not claimed by the maker

45.5°C13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Same Max Load grid: bottom maximum 45.5 C. Room 21.4 C, Voltcraft IR-900. Gaming grid 46.2 C is separate and not substituted.

43.5°C11Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Skin temperature while running the Cinebench R23 gauntlet. Hottest point on the bottom 43.5 C. Review unit 16 GB/512 GB. Room temperature not stated.

Palm rest under loadiMeasured by a reviewer, not claimed by the maker

33.1°C13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Max Load temperature prose: palmrest/touchpad reaches maximum 33.1 C. Room 21.4 C, Voltcraft IR-900.

Not available

CPU temperature in stress testiMeasured by a reviewer, not claimed by the maker

Not available

71.39°C11Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Average CPU temperature 71.39 C over the reviewer's 20-run Cinebench R23 loop. Average, not peak. Review unit 16 GB/512 GB.

CPU clock in stress testiMeasured by a reviewer, not claimed by the maker

Not available

2.58GHz11Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Average CPU clock 2.58 GHz over the reviewer's 20-run Cinebench R23 loop. Average, not peak. Review unit 16 GB/512 GB.

GPU temperature while gamingiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured battery and power

5 of 10 differ

Battery runtime per testiReviewer runtime for the exact test and configuration. Mixed browsing, video and graphics workloads are classified as mixed use.

AMicrosoft Surface Laptop 4 13.5-inch (Ryzen 5)

Test	Brightness (nits)	Power mode	Hours (h)
Wi-Fi browsing	150	Best Performance	10.88
Wi-Fi browsing	Not available	Best Performance	7.1

Source13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Battery Runtime: Edge 90 Wi-Fi surfing 10h 53m at 150 nits and 7h 06m at maximum brightness. Best Performance chosen to prevent automatic brightness changes. Maximum-brightness nits value not assigned from Intel screen tests. Exact R5/8GB/256GB, 47.4Wh.

BMicrosoft Surface Laptop 4 15-inch (Ryzen 7)

Test	Brightness (nits)	Hours (h)
Mixed use	150	12.07

Source11Reviewtomshardware.com/reviews/microsoft-surface-laptop-4-15-inch-amdRead 10 October 2026Reviewer test of web browsing, video streaming and OpenGL tests at 150 nits over Wi-Fi gave 12 hours 4 minutes. Review unit is Ryzen 7 4980U, 16 GB, 512 GB, Windows 10 Home. Power mode and firmware not stated. Retained SKU is 8 GB/256 GB with the same battery and display.

Wi-Fi browsing runtimeiMeasured by a reviewer, not claimed by the maker

10.88h=CalculatedFrom Battery runtime per test

Not available

Video runtimeiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Full charge time (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Power draw idleiHighest reviewer idle AC power reading for the matching configuration and test conditions.

8.1W13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Power Consumption table: idle maximum 8.1 W. Metrahit Energy AC input measurement. Display/profile firmware specifics unstated.

Not available

Power draw gamingiReviewer AC power draw during the named game and settings. Not GPU-only power.

Not available

Not available

Power draw maxiMaximum reviewer AC input power during the documented load or stress test. Not the adapter rating.

64.1W13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Power Consumption table: maximum 64.1 W, Metrahit Energy AC input. Brief peak falls to about 50 W and later 32 W. Not adapter output.

Not available

Sustained CPU power (measured)iObserved sustained CPU package power during the documented test. Not the configured PL1 limit.

23W13Measurementnotebookcheck.net/Microsoft-Surface-Laptop-4-13-Review-Is-AMD-s-Ryzen-held-back-on-purpose.541475.0.htmlRead 7 October 2026Processor section, Cinebench R15 multi loop: package consumption settles at 23 W after initial 30 W. This is CPU-only loop observation, not combined CPU/GPU stress, which settles near 17 W.

Not available

GPU power while gaming (measured)iObserved GPU-only power while running the documented game and settings.

Not available

Not available

Weight (measured)iReviewer measured laptop mass without its power adapter unless the source note explicitly states otherwise.

Not available

Not available

Certifications

1 of 6 differ

Intel EvoiManufacturer certification of the exact configuration as Intel Evo. Processor support alone does not establish certification.

Not available

Not available

Copilot+ PCiManufacturer identifies the configuration as Copilot+ PC. A Copilot keyboard key alone is insufficient.

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Colour certifications

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ENERGY STAR

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EPEAT

Gold15Certification listepeat.net/product-details/a35e1d98d2b2422eaabc1b0f5c4863afRead 7 October 2026Registry exact 13.5-inch Alcantara models 1950/1958 and reference UPC 889842723687: EPEAT Gold, registration 2021-09-22, archived 2025-02-13. This is historical registration, not a current active certification claim. Selected public record is Estonia and hardware UPC matches US reference.

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Other certifications

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In the box

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In the boxiAccessories confirmed for this exact SKU. Do not combine mutually exclusive regional bundles into one box.

Surface Laptop 4 13.5-inch, Power Supply, Quick Start Guide, Safety and warranty documents1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

Surface Laptop 4 15-inch, Power Supply, Quick Start Guide, Safety and warranty documents1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 2026

Power adapter includediWhether a power adapter is included with this exact regional SKU. A supported or recommended adapter does not prove inclusion.

Yes1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 5 October 2026

Yes1Maker product pagemicrosoft.com/en-ca/p/surface-laptop-4/946627fb12t1Read 7 October 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.

1year5Retailer pagebhphotovideo.com/c/product/1631875-REG/microsoft_5pb_00001_13_5_multi_touch_surface_laptop.htmlRead 5 October 2026Exact original US limited one-year maker warranty. Statutory rights and paid plans excluded.

1year5Retailer pagebhphotovideo.com/c/product/1631876-REG/microsoft_5ui_00001_15_multi_touch_surface_laptop.htmlRead 5 October 2026Exact original US limited one-year maker warranty. Statutory rights and paid plans excluded.

Warranty serviceiDocumented manufacturer warranty service for the named market. Included paid service upgrades belong in the source note.

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Links

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Product page

support.microsoft.com/en-us/surface/models/surface-laptop-4-features4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026US first-generation guide. Unavailable original US retail route not used.

support.microsoft.com/en-us/surface/models/surface-laptop-4-features4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026US first-generation guide. Unavailable original US retail route not used.

Spec sheet

news.microsoft.com/es-xl/fact-sheet-surface-laptop-42Maker product pagenews.microsoft.com/es-xl/fact-sheet-surface-laptop-4Read 5 October 2026Original maker May 2021 fact sheet published as web document. Region-specific business options not imported.

news.microsoft.com/es-xl/fact-sheet-surface-laptop-42Maker product pagenews.microsoft.com/es-xl/fact-sheet-surface-laptop-4Read 10 October 2026Original maker May 2021 fact sheet published as web document. Region-specific business options not imported.

Manual

support.microsoft.com/en-us/surface/models/surface-laptop-4-features4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026

support.microsoft.com/en-us/surface/models/surface-laptop-4-features4Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-4-featuresRead 5 October 2026

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.

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