Keyboards / Compare

Logitech G915 X LIGHTSPEED vs Razer BlackWidow V4 Low-profile HyperSpeed

A

Product A: Logitech

G915 X LIGHTSPEED

76 of 164 known

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B

Product B: Razer

BlackWidow V4 Low-profile HyperSpeed

89 of 164 known

Change Razer BlackWidow V4 Low-profile HyperSpeed

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All 164 fields

Every value links to where we found it.

Only differences

ALogitech G915 X LIGHTSPEED

BRazer BlackWidow V4 Low-profile HyperSpeed

General

4 of 9 differ

Series

G915 X5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026The G915 X Series has a full-size LIGHTSPEED, a LIGHTSPEED TKL and a wired model. The TKL and wired models are separate products

BlackWidow1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

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

YR0069, 920-012696, 920-012704, 920-012670, 920-012685, 920-012697, 920-012705, 920-012671, 920-012706, 920-012672, 920-012673, 920-012707, 920-012674, 920-012708, 920-012675, 920-012677, 920-012679, 920-012698, 920-012709, 920-012676, 920-012686, 920-012687, 920-012688, 920-012689, 920-012690, 920-012682, G915WLX-TCBK, 920-012693, G915WLX-TCWH, 920-012701, G915WLX-LNBK, 920-012712, G915WLX-CKBK1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Part numbers from the US page (4) and the UK page en-gb (20). YR0069 is the keyboard's regulatory model number from the support spec page2Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 20263Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Keyboard YR0069", receiver CU002111Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

RZ03-05270200-R3U11Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Exact Black US reference with Green low-profile clicky switches. No sibling switch option or regional layout is inherited.

GTIN / EAN

097855195166, 097855195029, 097855195005, 0978551949929Retailer pagebhphotovideo.com/c/product/1851732-REG/logitech_g_920_012670_g915_x_lightspeed_low_profile.htmlRead 30 September 2026Exact 920-012670 product page UPC 097855195005. Other original codes appeared in search excerpts but full source was unavailable.10Retailer pageadorama.com/logitech-g915-x-lightspeed-wireless-gaming-keyboard/p/lo920012704Read 30 September 2026Indexed UPC Codes table: black GL Red 097855195166, black GL Blue 097855195029, white GL Brown 097855194992. Black tactile 097855195005 is separately confirmed at B&H. Full Adorama page returned 403 and was not retried.

Not available

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

17 September 20245Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026Logi Play, Paris and Shanghai, September 17th, 2024

14 August 20255Press releaserazer.com/newsroom/product-news/razer-unveils-the-blackwidow-v4-low-profile-lineRead 5 October 2026

Status

Available1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026US page shows $259.99 with add to cart. The price was raised after launch, the launch MSRP is in the press release

Available1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Exact Green US RZ03-05270200-R3U1 store data reports inStock on October 8, 2026.

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

Not available

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.

$229.995Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"The G915 X LIGHTSPEED full-size keyboard (LINEAR, TACTILE & CLICKY) - US MSRP $229.99"

$229.996Press releasenordicgamesupply.com/blogs/news/razer-unveils-the-blackwidow-v4-low-profile-line-its-most-feature-rich-low-profile-gaming-keyboard-yetRead 5 October 2026Public distributor reprint of the maker August 14 launch release. Global Price and availability section gives USD MSRP, before sales tax.

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.

US, GB, JP1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Sold on the Logitech G US and UK stores2Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 202611Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

ColoursiThe maker's own colour names

Black, White1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 20265Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"All wireless options are black and white"

Black1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Segment

Gaming1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Listed under Gaming Keyboards

Gaming1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Sold asiParts fitted when sold. A complete keyboard includes switches and keycaps. Barebones includes neither.

Complete1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Sold with GL switches and keycaps fitted, in Linear, Clicky and Tactile styles

Complete1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Layout

5 of 12 differ

Form factoriLayout size or shape. A percentage describes the layout, not the number of keys.

Full size1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 20264Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English setup guide pages 3-5 show the complete full-size keyboard with numeric keypad and nine G keys. It is not the separate TKL model.

Full size1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Layout standardiPhysical key layout standards sold for this model. Regional language names are listed separately.

ANSI, ISO, JIS11Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

ANSI2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Regional layouts

English US (QWERTY), German (QWERTZ), French (AZERTY), Swiss (QWERTZ), Nordic (QWERTY), English UK (QWERTY), Spanish (QWERTY), Italian (QWERTY), English International (QWERTY), Japanese1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Layout names from the US and UK pages, verbatim2Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 202611Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

US1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Keys in regional layoutiPhysical typing and function keys in the stated regional layout. Separate media buttons, macro buttons and rotary controls are excluded. A Touch ID or Lock key in a key row counts, as on Apple keyboards.

Not available

1042Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Counted in complete US ANSI device-layout drawing: standard 87-key TKL or 104-key full-size typing/function block. Separate media, macro, battery and AI buttons and roller are excluded.

Key legends for

Not available

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Numpad

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 full-size keyboard diagram includes number pad.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Function row

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 keyboard features diagram includes F1-F12 function row.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Dedicated arrow keys

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 keyboard features diagram includes separate arrow cluster.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Navigation keysiAvailability of Home, End, Page Up and Page Down as dedicated keys or through an Fn layer.

Full4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 diagram shows the full Home, End, Page Up and Page Down navigation cluster.

Full2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Key stagger

Not available

Row-staggered2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Bottom row

Not available

Not available

Low profile

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Switches

11 of 25 differ

Switch sensing technologyiKey sensing technology. Hall effect and TMR are different sensor types. A mixed board is identified explicitly. Magnetic switch housing alone does not identify the sensor.

Low-profile mechanical1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Low-profile GL mechanical switches"

Low-profile mechanical1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Switch feel

Linear, Tactile, Clicky1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Tactile, Clicky1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Maker low-profile Green description identifies tactile and clicky feel.

Switch maker

Logitech1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Product features and press release identify Logitech GL mechanical switch design.

Razer1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Switch models

GL Linear, GL Tactile, GL Clicky1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Maker describes GL mechanical switches in Linear, Tactile, Clicky styles. Retail GL Red/Brown/Blue names are not needed for identity.

Razer Low-profile Green Clicky Mechanical Switch3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026

Switch stem

MX cross5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026Maker launch release p. 2 explicitly replaces old hook-style with cross-style stem.

Other4Maker product pagerazer.com/technology/razer-low-profile-mechanical-switchRead 5 October 2026Maker describes a modified cross stem with round walls. The unchanged schema does not name this exact low-profile fit. Standard MX or Choc compatibility is not asserted.

Actuation forceiForce at the point where a key registers. Initial spring force is not actuation force. Adjustable switches require a stated actuation setting.

43 to 48gf1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 20262Maker product pagelogitechg.com/en-gb/shop/p/g915-x-wireless-mechanical-gaming-keyboardRead 30 September 20263Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 20269Retailer pagebhphotovideo.com/c/product/1851732-REG/logitech_g_920_012670_g915_x_lightspeed_low_profile.htmlRead 30 September 202610Retailer pageadorama.com/logitech-g915-x-lightspeed-wireless-gaming-keyboard/p/lo920012704Read 30 September 202611Press releasepress.logicool.co.jp/ja-jp/g915x-pro-x-tkl-rapidRead 30 September 2026

45gf4Maker product pagerazer.com/technology/razer-low-profile-mechanical-switchRead 5 October 2026Green exact low-profile switch table gives 45 g.

Bottom-out forceiForce at the end of the switch travel. It is not the initial spring force or the tactile peak.

Not available

Not available

Tactile bump forceiPeak force of the tactile bump. It is not the force at initial movement or at bottom-out.

Not available

Not available

Actuation pointiDistance before a key registers. For adjustable boards, the default profile or setting is stated in the source note.

1.3mm1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Actuation Point: 0.05 in (1.3 mm)". The support spec page gives 1.3 mm±0.30 mm

1.2mm4Maker product pagerazer.com/technology/razer-low-profile-mechanical-switchRead 5 October 2026Green exact low-profile switch table gives 1.2 mm.

Total travel

3.2mm1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Total travel distance: 0.12 in (3.2 mm)". Support page: 3.2±0.25 mm

2.8mm4Maker product pagerazer.com/technology/razer-low-profile-mechanical-switchRead 5 October 2026Green exact low-profile switch table gives 2.8 mm.

Rated keystrokes

Not available

60million4Maker product pagerazer.com/technology/razer-low-profile-mechanical-switchRead 5 October 2026Green exact low-profile switch table rates 60 million versus generic keyboard launch claim up to 80 million. The named component table takes precedence.

Factory-lubed switches

Not available

Not available

Adjustable actuation

Not available

Not available

Actuation rangeiSelectable actuation distances. These are settings, not a measured usable travel range.

Not available

Not available

Actuation stepiSmallest documented increment between selectable actuation settings.

Not available

Not available

Per-key actuationiActuation can be configured individually for supported keys. The source note identifies any excluded keys.

Not available

Not available

Rapid trigger

Not available

Not available

Minimum rapid trigger movementiSmallest selectable movement used to reset or reactivate a key. This is a setting, not measured accuracy.

Not available

Not available

Multi-action keys

Not available

Not available

SOCD handling

Not available

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026

Analog inputiCan send variable gamepad or joystick input. Magnetic sensing or adjustable actuation alone does not establish analog output.

Not available

Not available

Hot-swap socketsiSwitches can be replaced without soldering. Magnetic compatibility must be checked separately.

None6Reviewpcgamer.com/hardware/gaming-keyboards/logitech-g915-x-lightspeed-reviewRead 30 September 2026Spec box: "Hot-swappable: no"

None3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026Exact-model FAQ says the keyboard has no hot-swap capability.

Compatible switches

Not available

Not available

Stabilizers

Not available

Plate-mounted8Maker product pagemysupport.razer.com/app/answers/detail/a_id/15489Read 8 October 2026Exact full-size RZ03-0527 support technical specifications explicitly name lubricated plate-mount stabilizers with Krytox GPL 205g0. The public search-indexed specification was readable. Direct opening encountered the maker support bot check.

Factory-lubed stabilizers

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Keycaps

1 of 5 differ

Keycap material

PBT5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 20266Reviewpcgamer.com/hardware/gaming-keyboards/logitech-g915-x-lightspeed-reviewRead 30 September 2026

PBT1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Legend method

Doubleshot5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"double-shot, shine-through PBT"6Reviewpcgamer.com/hardware/gaming-keyboards/logitech-g915-x-lightspeed-reviewRead 30 September 2026Spec box: "Keycaps: Double-shot PBT"

Doubleshot1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Keycap profile

Not available

Low profile9Reviewtweaktown.com/reviews/11154/razer-blackwidow-v4-low-profile-hyperspeed-keyboard-a-thinner-winner/index.htmlRead 8 October 2026Design section expressly describes doubleshot low-profile PBT keycaps on the full-size keyboard. Reviewed US Yellow switch configuration RZ03-05271600-R3U1. This keycap form is shared by the full-size Green reference and supported by the maker low-profile keycap design. Switch-specific and measured results are not imported.

Keycap thickness

Not available

Not available

Shine-through legendsiLight passes through the legends. Translucent keycap sides alone do not count.

Yes5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 20267Reviewrtings.com/keyboard/reviews/logitech/g915-x-lightspeedRead 30 September 2026

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026

Performance

6 of 11 differ

Polling rate per connectioniDocumented report rates for each connection. Required receivers or optional adapters are identified in the row and source note.

ALogitech G915 X LIGHTSPEED

Connection	Polling rate (Hz)
USB (wired)	1,000

Source3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"USB Report Rate: Max: 1 ms", "USB Protocol: USB 2.0". Stored as 1000 Hz wired. No 2.4 GHz LIGHTSPEED report rate is published on any page found, so no 2.4 GHz row is stored

BRazer BlackWidow V4 Low-profile HyperSpeed

Connection	Polling rate (Hz)	Receiver or adapter
2.4 GHz	1,000	Included Razer HyperSpeed Wireless dongle
2.4 GHz	4,000	Optional Razer HyperPolling Wireless Dongle

Source3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026HyperSpeed wireless section specifies 1000 Hz. Current HyperPolling section explicitly permits 4000 Hz with a separately sold dongle. Wired and Bluetooth ceilings and intermediate settings remain unknown.

Max polling rate

1,000Hz=CalculatedFrom Polling rate per connection

4,000Hz=CalculatedFrom Polling rate per connection

Polling rate (wired)

1,000Hz=CalculatedFrom Polling rate per connection

Not available

Polling rate (2.4 GHz)

Not available

4,000Hz=CalculatedFrom Polling rate per connection

Polling rate (Bluetooth)

Not available

Not available

Scan rateiHow often the keyboard reads its switches. A USB report rate does not establish a scan rate.

Not available

Not available

Input latency (claimed)iMaker-published input or response latency with conditions in the source note. Do not calculate this from polling rate.

Not available

Not available

Key rollover per connectioniKeys registered simultaneously over the stated connection. Connection is omitted if the source does not specify it.

ALogitech G915 X LIGHTSPEED

Not available

BRazer BlackWidow V4 Low-profile HyperSpeed

Rollover
NKRO

Source1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Exact SKU embedded Others specification states N-key rollover. Connection is not identified, so no wired, 2.4 GHz or Bluetooth connection cell is inferred.

Anti-ghosting

Not available

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Exact SKU embedded Others specification explicitly lists Anti-ghosting.

Adjustable debounce

Not available

Not available

Minimum debounce

Not available

Not available

Measured

None of 7 known

Latency per connection (measured)iReviewer measurements for one tested setup per row. Settings and test method are stated in the source note. Missing conditions are not inferred.

Not available

Not available

Actuation point (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Total travel (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Operating force (measured)iReviewer-measured force at actuation. The switch and actuation setting are stated in the source note.

Not available

Not available

Typing noise (measured)iReviewer-measured A-weighted typing sound level. Measurement distance and conditions are stated in the source note.

Not available

Not available

Battery life (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Weight (measured)iReviewer-measured keyboard weight without cable or wrist rest. The tested configuration is stated in the source note.

Not available

Not available

Connectivity

7 of 18 differ

Connections

USB (wired), 2.4 GHz, Bluetooth1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

USB (wired), 2.4 GHz, Bluetooth1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Shop connectivity table lists HyperSpeed 2.4 GHz, Bluetooth and TypeC. Manual wired instructions separately confirm USB data operation.

Wireless technology

LIGHTSPEED1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Razer HyperSpeed Wireless1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Bluetooth

5.03Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Connection Type: Dongle, Bluetooth 5.0, USB"

Not available

Bluetooth device slots

Not available

32Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Bluetooth setup section explicitly describes three saved pairing profiles.

Devices it can switch betweeniDistinct device connections available for switching. Do not infer this by adding wireless modes or paired Bluetooth slots.

Not available

Not available

Device switchingiControl used to switch between paired device hosts. Connection-mode and OS switches are described separately.

Button4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026A LIGHTSPEED button and a Bluetooth button select the connection

Button2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Wireless host selection uses Fn shortcuts on TKL, versus dedicated buttons on full-size. The rear Wired/Wireless power-mode switch is a separate control.

Receiver connector

USB-A3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026The receiver section (mislabel led "Mouse Specifications") gives "Connection Type: USB 2.0 Type A" and "LIGHTSPEED wireless technology"

USB-A2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Included small dongle drawing has a USB-A host plug. This does not refer to the USB-C socket on the adapter.

Receiver storage in keyboard

Yes12Reviewstuff.tv/review/logitech-g915-x-lightspeed-reviewRead 8 October 2026Full-size G915 X LIGHTSPEED review identifies the rear alcove for the supplied USB-A receiver.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Exact-model device-layout underside drawing identifies a wireless dongle compartment.

Receiver shared with other devices

Yes8Maker product pagesupport.logi.com/hc/en-in/articles/7707694960663-Connect-two-LIGHTSPEED-devices-to-one-receiver-using-the-Device-Pairing-ToolRead 30 September 2026Compatible keyboard list includes G915 X(LIGHTSPEED, TKL). Receiver pairs one compatible mouse and one keyboard using G HUB device pairing.

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026FAQ explicitly permits pairing a compatible wireless Razer mouse to the keyboard included dongle. Not a multi-computer claim.

Wireless range

Not available

Not available

Detachable cable

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026The USB-C data/charging cable is a separate item in the box and plugs into the USB-C port on the keyboard

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Port on keyboard

USB-C3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026

USB-C2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Cable plug

USB-A3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"USB A to C charging, data cable"

USB-A2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Cable

Not available

Braided10Retailer pagejbhifi.com.au/blogs/games/less-is-more-with-razer-blackwidow-v4-low-profile-hyperspeed-wirelessRead 8 October 2026October 28, 2025 article describes the full-size keyboard, including four dedicated macro buttons, and explicitly identifies its included braided USB charging cable. Read from the normal page embedded article text. The cable length and exact regional SKU are not stated.

Cable length

1.8m1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Not available

USB passthrough

Not available

No1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Works withiSystems on which the keyboard works. Configuration software may have narrower system support.

Windows, macOS, ChromeOS, Android, iOS1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026System requirements: LIGHTSPEED on Windows 10 v.1809 or later and macOS X 10.11 or later. Bluetooth on Windows 11, macOS X 11, Chrome OS, Android 4.3 and iOS 10 or later

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Exact full-size master guide documents Windows key functions, Windows keyboard properties and Windows shortcuts on printed pages 17 and 21. Printed page 3 requires Windows 10 64-bit or higher for Synapse, which is a software requirement rather than a claimed minimum version for basic keyboard input. Other operating systems were not proved.

Consoles

Not available

Not available

Battery

7 of 16 differ

Battery type

Li-Po1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Li-ion2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Battery warning section identifies an internal rechargeable Li-ion battery. Capacity and user replacement are not stated.

Number of batteriesiNumber of replaceable AA or AAA cells required. Internal rechargeable battery packs are not counted here.

Not available

Not available

Battery capacity

Not available

Not available

User-replaceable battery

No3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Battery user replaceable? No"

Not available

Battery life per mode (claimed)iMaker estimates. Store one published native duration unit per row: hours, days or months. Days and months describe calendar use including idle time, not continuous runtime. Do not convert calendar estimates into hours. Connection, lighting and polling rate are included only when published. Brightness, workload, screen status, sleep settings and up-to qualifiers go in the source note.

ALogitech G915 X LIGHTSPEED

Connection	Lighting	Hours (h)
2.4 GHz	Max	36
Not available	On	90
Not available	Off	800

Source1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"LIGHTSYNC RGB @100% Brightness: Up to 36 hrs", "@50% Brightness: Up to 90 hrs", "RGB OFF: Up to 800 hrs". The press release says the 36 hours are on LIGHTSPEED. The 90 hour row is at 50% brightness. RGB must be turned off with the brightness button to reach 800 hours

BRazer BlackWidow V4 Low-profile HyperSpeed

Lighting	Hours (h)
Off	980

Source3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026Up to 980 hours only in Power Saving Mode, which turns off keyboard lighting, reduces polling rate and pauses Synapse connectivity. The maker does not state the connection or numeric polling rate for this claim, so those nested cells are omitted. This is not ordinary gaming runtime.

Longest battery life (claimed)iLongest maker estimate published in hours across the listed modes. Rows published in days or months do not contribute. Conditions can differ between products.

800h=CalculatedFrom Battery life per mode (claimed)

980h=CalculatedFrom Battery life per mode (claimed)

Battery life, lighting offiLongest maker estimate published in hours with lighting off. Calendar-day and calendar-month estimates are not converted and do not contribute.

800h=CalculatedFrom Battery life per mode (claimed)

980h=CalculatedFrom Battery life per mode (claimed)

Battery life, lighting oniLongest maker estimate published in hours with lighting enabled. Calendar-day and calendar-month estimates are not converted and do not contribute. Brightness and display conditions are stated in the source note.

90h=CalculatedFrom Battery life per mode (claimed)

Not available

Battery life, backlight on (claimed)iLongest maker up-to estimate published in calendar days with backlighting enabled. Includes idle time and the source-defined usage pattern, not continuous runtime. Brightness, workload, connection and sleep conditions remain in the table and source note. Hours and months are not converted.

Not available

Not available

Battery life, backlight off (claimed)iLongest maker up-to estimate published in calendar months with backlighting off. Includes idle time and the source-defined usage pattern, not continuous runtime. Workload, connection and sleep conditions remain in the table and source note. Hours and days are not converted.

Not available

Not available

Charging port

USB-C4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Charging section shows the USB-C cable plugged into the keyboard

USB-C2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Full charge timeiPublished time for a full charge. Approximate times remain qualified in the source note.

Not available

Not available

Quick charge

Not available

Not available

Use while charging

Yes13Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 8 October 2026USB data/charging connection is documented alongside the active wired mode indicator and charging indicator. Keyboard functions remain available through the wired connection.

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Charging section explicitly says the keyboard can continue to be used while plugged in. Wired data-mode instructions are separate.

Solar charging

Not available

Not available

Battery indicator

LED3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026"Indicator Lights (LED): Battery, Capslock"4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Battery light pulses green when charging and shows red when the keyboard needs charging

LED, Key lighting2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Charging/status indicator LED plus number-row illuminated battery display documented in Using section.

Build

4 of 8 differ

Case material

Aluminum top plate (1.5 mm)5Press releases24.q4cdn.com/131595232/files/doc_news/2024/09/G915-X-PRESS-RELEASE-FINAL-1.pdfRead 30 September 2026"The aluminum top plate thickness was increased from 1.2 to 1.5 mm"

5052 aluminium alloy top case and ABS plastic bottom case1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Plate material

Not available

Steel1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Mount style

Not available

Top1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Flex cuts in PCB

Not available

Not available

Sound dampeningiDampening layers the maker or a review names. Foam whose position in the stack is not stated is foam. Films, pads and silicone parts that fit no other option are other.

Other12Reviewstuff.tv/review/logitech-g915-x-lightspeed-reviewRead 8 October 2026Reviewer describes extra layers of sound dampening material. Material and layer placement are unspecified, so no foam or plate classification is inferred.

Case foam, Plate foam1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Exact shop table names PCB and case foam. The model-specific exploded view identifies the upper layer as plate foam and lower layer as case foam.

Typing anglesiKeyboard slope for each supported foot position, starting with the lowest. An adjustable-foot count does not establish angles. When the maker publishes only the angle with the feet out, that angle is stored alone.

Not available

Not available

Spill resistant

Not available

Not available

IP rating

Not available

Not available

Lighting

1 of 7 differ

Backlight

RGB per key7Reviewrtings.com/keyboard/reviews/logitech/g915-x-lightspeedRead 30 September 2026Free verdict text: "Per-key addressable RGB lighting and shine-through keycaps". The measured test results are members-only and were not used

RGB per key7Reviewwindowscentral.com/accessories/keyboards/razer-blackwidow-v4-low-profile-hyperspeed-reviewRead 5 October 2026Public review explicitly describes per-key RGB lighting in its feature summary.

LED position

Not available

Not available

Lighting zones

Not available

Not available

Brightness levelsiSelectable onboard brightness steps. The source note states whether the off position is included.

Not available

Not available

Side or underglow lighting

Not available

Not available

Lighting sensors

Not available

Not available

Lighting sync

LIGHTSYNC RGB1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026LIGHTSYNC RGB, customisable through G HUB

Razer Chroma RGB1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Controls

3 of 12 differ

Media keysiPlayback controlled by separate buttons, an Fn layer or a multifunction knob/rocker. Volume controls are listed separately, and knob presses are excluded from the separate media-button count.

Dedicated4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Media controls in the upper right corner: volume roller, skip back, play/pause, skip forward and mute

Dedicated2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Separate media buttonsiSeparate physical buttons for playback or mute, counted once each. Fn shortcuts, macro buttons, knob presses and roller presses are excluded.

44Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Skip back, play/pause, skip forward and mute. The volume roller is not counted

32Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Device-layout diagram shows three dedicated playback buttons. Mute is the roller press and is excluded.

Volume control

Roller1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Materials section: "Metal Roller". The press release calls it a cast iron volume roller

Roller2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Knobs

Not available

02Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Programmable knob

Not available

Not available

Knob press

Not available

Not available

Separate macro keysiSeparate physical keys or buttons intended for macros. Excludes ordinary remappable keys, media buttons and a dedicated software-launch button.

91Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Assign complex macros to one of 9 G keys"4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026English p. 5 diagram identifies G1-G5 left column plus G6-G9 top buttons. Nine physical G keys, distinct from playback buttons.

42Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Device-layout diagram labels four physical macro buttons M 1 through M 4. AI, battery and mode buttons are excluded.

Built-in screen

Not available

Not available

Touchpad

Not available

Not available

Fingerprint reader

Not available

Not available

OS mode switch

Not available

Not available

Windows key lock

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026The Game Mode button disables the Windows key and the Menu key

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Software

5 of 10 differ

Software

Logitech G HUB1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"(Optional) Internet access for Logitech G HUB Software"

Razer Synapse2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Software runs on

Not available

Windows2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Read exact-model manual requirements list Windows 10 64-bit or later. Other software platforms are not inferred from generic Synapse support.

Open firmware

Not available

Not available

Onboard memory

Yes4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026

Yes1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Onboard profilesiProfiles stored on the keyboard, including fixed defaults when the maker counts them. Software-only profiles are excluded.

34Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026"Three onboard profiles can be saved to G915 X LS", selected with FN+F2, F3, F4 in onboard mode

51Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026Hybrid onboard storage for up to five profiles. Not proof of stored macros.

Macros

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Macros stored onboardiRecorded command sequences run from keyboard storage without the configuration app. Onboard lighting or remapping alone does not establish this.

Not available

Not available

Key remapping

Yes1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

Yes2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

LayersiTotal key mapping layers including the base layer. Lighting effect layers and profile slots are excluded.

Not available

22Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Hypershift is one secondary key-mapping layer above the standard mapping.

User firmware updates

Not available

Yes3Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeedRead 8 October 2026Exact full-size FAQ tells users to update the keyboard firmware. The maker exact RZ03-0527 support article separately lists updater v1.4.1_r2, dated March 4, 2026.

Ergonomics

0 of 4 differ

Wrist rest

None4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Box contents and keyboard diagram show no separate wrist rest. The maker box list does not include one.

None1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Wrist rest material

Not available

Not available

Tenting

Not available

Not available

Tenting angles

Not available

Not available

Dimensions and weight

2 of 6 differ

DimensionsiKeyboard body dimensions with fitted keycaps, without wrist rest and with feet folded. Any different measurement condition is stated in the source note. Width is the longest side, depth runs front to back and height is the thickness. Map by size when the maker's labels differ.

Width475Depth150Height22.6mm(18.7 × 5.9 × 0.9 in)1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Published as Height 22.6 mm, Width 150 mm, Length 475 mm. Stored as width 475, depth 150. The feature text and press release say 23 mm high, the spec value is kept3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026

Front height18.5mm5Press releaserazer.com/newsroom/product-news/razer-unveils-the-blackwidow-v4-low-profile-lineRead 5 October 2026Launch release explicitly says 18.5 mm front height. This is not maximum keyboard height and does not establish width or depth.

Dimensions with wrist rest

Not available

Not available

Keyboard weightiKeyboard without cable or wrist rest. Weights that include accessories cannot be stored here. A cable that cannot be removed is included. Replaceable batteries are included, as built-in batteries are.

1,080g(2.4 lb)1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"Weight (w/o cable): 38.09 oz (1080 g)"3Maker product pagesupport.logi.com/hc/en-us/articles/25605931386007-Specification-G915-X-LIGHTSPEEDRead 30 September 2026

Not available

Weight including wrist restiKeyboard plus supplied wrist rest, excluding packaging. The source note identifies any included cable.

Not available

Not available

Box dimensions

Not available

Not available

Box weightiOne retail package including its contents. A multi-unit shipping carton weight is excluded.

Not available

Not available

Certifications

None of 2 known

Platform certifications

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 3 differ

In the box

G915 X LIGHTSPEED gaming keyboard, LIGHTSPEED USB receiver, USB extender, USB-C data/charging cable, User documentation1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026Verbatim from the In the Box panel

Razer BlackWidow V4 Low-profile HyperSpeed, Razer HyperSpeed Wireless Dongle + USB dongle adapter, USB Type A to Type C cable, Important Product Information Guide2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Exact-model What is inside section. No optional HyperPolling dongle included.

Cables included

ALogitech G915 X LIGHTSPEED

Type	Count
USB-C data/charging cable (USB-A to USB-C, 1.8 m)	1

Source1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026One USB-C data/charging cable in the box. The support page calls it "USB A to C charging, data cable", length 1.8 m

BRazer BlackWidow V4 Low-profile HyperSpeed

Type	Count
USB Type A to USB Type C cable	1

Source2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026

Spare switches

Not available

Not available

Links

Not compared

Product page

www.logitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.html1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026

www.razer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed1Maker product pagerazer.com/gaming-keyboards/razer-blackwidow-v4-low-profile-hyperspeed/RZ03-05270200-R3U1Read 8 October 2026

Spec sheet

Not available

Not available

Manual

www.logitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdf4Owner's manuallogitech.com/assets/70208/g915_x_lightspeed_qsg_amr.pdfRead 30 September 2026Setup guide for the Americas (English, French, Spanish, Portuguese)

dl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdf2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 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.

Not available

Not available

Warranty

0 of 1 differ

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.

2years1Maker product pagelogitechg.com/en-us/products/gaming-keyboards/g915-x-wireless-mechanical-gaming-keyboard.htmlRead 30 September 2026"2-Year Limited Hardware Warranty" (US page)

2years2Owner's manualdl.razerzone.com/master-guides/RazerSynapse4/BLACKWIDOWV4LOWPROFILEHYPERSPEED-00000716-en.pdfRead 8 October 2026Exact-model manual shows a 2-year warranty badge, US reference.

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