KEYBOARDS · YOUR NEXT FACE-OFF

Logitech ERGO K860 vs Logitech G915 X LIGHTSPEED

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Logitech ERGO K860

920-010107 · Graphite · English UK QWERTY · split ergonomic, integrated wrist rest

Full product profile Official image

Exact model & source notes

The ERGO K860 is Logitech's curved, one-piece split ergonomic keyboard with a full number pad, an integrated pillowed wrist rest and negative-tilt legs, connecting by Unifying receiver or Bluetooth. This record is the Graphite English UK (ISO) SKU 920-010107.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHAT DIFFERS

456 mmKeyboard span across the desk475 mm

BacklightingNoneLIGHTSYNC RGB

Switch actuation force60 g45 g

3 of 13 verified differences, in the order listed below. Not a rating.

See the 13 verified differences

THE CONTENDER

Logitech G915 X LIGHTSPEED

920-012675 · English UK (QWERTY) · black · GL Tactile low-profile switches

Full product profile Official image

Exact model & source notes

The G915 X LIGHTSPEED is Logitech’s full-size low-profile wireless gaming keyboard; this UK-layout SKU uses GL Tactile switches and adds nine G keys, a number pad and LIGHTSPEED, Bluetooth and wired connections.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

ERGO K860 UK & US retailers

UK & US price history: no verified listing yet

G915 X LIGHTSPEED UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE7 topics

SELECTED TOPIC

01 / 07

Keyboard size

Check the exact configuration and source conditions for your use.

Logitech ERGO K860Full-size curved split ergonomic keyboard with number pad and integrated wrist rest

Manufacturer specification · Single-piece curved split keyframe (the halves do not separate); the pillowed wrist rest is permanently integrated per Logitech.

Source 1 Source 2

Logitech G915 X LIGHTSPEEDFull-size with number pad

Manufacturer specification · The exact original also has nine dedicated physical G-keys, retained separately in Dedicated G-keys. Macro layers, media controls and top-plate finish remain source-specific facts and do not change the full-size layout class.

Source 1

Explore the full specifications

Match the layout, switches and connection. Check the exact regional key layout and switch option. A similar model name can describe different switches or a wireless version. Software support, key remapping and console compatibility need their own evidence; dimensions and switch travel are not a typing or gaming score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

13 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Keyboard size

In Visual facts

Logitech ERGO K860Full-size curved split ergonomic keyboard with number pad and integrated wrist rest

Logitech G915 X LIGHTSPEEDFull-size with number pad

Sources

Logitech ERGO K860

Manufacturer specification · Single-piece curved split keyframe (the halves do not separate); the pillowed wrist rest is permanently integrated per Logitech.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Check the exact configuration and source conditions for your use.

Exact switch option

In Visual facts

Logitech ERGO K860Scissor keys (single fixed key type)

Logitech G915 X LIGHTSPEEDLow-profile GL tactile mechanical switches

Sources

Logitech ERGO K860

Manufacturer specification · Logitech's product-page data lists the keyboard's 'Scissor plate' as a low-carbon aluminium part and markets 'perfect stroke keys'; the support specification gives 60 gf actuation and 1.8 mm total travel but labels Keyboard Type only as a full-size ergonomic split keyboard. No alternative switch options.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · This SKU is the Tactile option; the UK Clicky option is SKU 920-012708. The manufacturer labels the selected style “Tactile”; canonical casing matches the same GL tactile switch option on the wired G915 X.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Check the exact configuration and source conditions for your use.

Connections

In Visual facts

Logitech ERGO K860Logitech Unifying USB receiver or Bluetooth Low Energy; up to three paired devices with Easy-Switch

Logitech G915 X LIGHTSPEEDLIGHTSPEED wireless (USB receiver); Bluetooth; wired USB-C data mode

Sources

Logitech ERGO K860

Manufacturer specification · Uses a Unifying receiver (included). 10 m wireless range per Logitech, which may vary with operating environment and computer setup. Battery powered; no charging port.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · Logitech explicitly supports wired keyboard operation through the included USB-C data/charging cable. LIGHTSPEED, Bluetooth and wired operation are all supported; a shorter inventory cannot give a wired-only contender an unsupported wired-connection advantage.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Check the exact configuration and source conditions for your use.

Keyboard span across the desk

In Visual facts

Logitech ERGO K860456 mm

Logitech G915 X LIGHTSPEED475 mm

Sources

Logitech ERGO K860

Manufacturer specification · Width across the key rows.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · Width across the key rows (Logitech labels this Length).

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

A size or weight trade-off; it does not establish the better product.

Key customisation

In Visual facts

Logitech ERGO K860Logi Options+ (Windows and macOS)

Logitech G915 X LIGHTSPEEDLogitech G HUB

Sources

Logitech ERGO K860

Manufacturer specification

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications

Logitech G915 X LIGHTSPEED

Manufacturer specification · Uses Logitech G HUB. Original published inventory: KEYCONTROL per-key customisation, macros and remapping. This common application name does not equate source-specific KEYCONTROL layers, per-key maxima, selected-key programming, rapid trigger, analog actions or Game Mode behaviour. Those exact positives and unresolved counterpart scopes remain separately represented.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Physical keys, software assignments and stored profiles are different capabilities. Check the host-software requirements; a larger count does not establish better typing or lower latency.

Backlighting

In Visual facts

Logitech ERGO K860None

Logitech G915 X LIGHTSPEEDLIGHTSYNC RGB

Sources

Logitech ERGO K860

Manufacturer specification

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Lighting zones and per-key control differ. RGB does not by itself establish individual-key colour control; read the software requirements.

Show 7 more verified differences

Battery claim

In Visual facts

Logitech ERGO K860Up to 24 months

Logitech G915 X LIGHTSPEEDUp to 36 hours at 100% LIGHTSYNC RGB brightness; up to 90 hours at 50%; up to 800 hours with RGB off

Sources

Logitech ERGO K860

Manufacturer specification · Logitech claim for two AAA batteries; actual life varies with use.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · Continuous-use claims. RGB must be disabled with the keyboard brightness button for the maximum figure; Logitech notes G HUB then reports no more than 236 hours.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Dimensions

Logitech ERGO K860456 × 233 × 48 mm (across keys × front-to-back × height)

Logitech G915 X LIGHTSPEED475 × 150 × 22.6 mm (length across the keys × width front-to-back × height)

Sources

Logitech ERGO K860

Manufacturer specification · The UK product page and the support article both label these Width 456 mm, Height 233 mm and Depth 48 mm; the 233 mm front-to-back figure includes the integrated wrist rest.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · Logitech labels these Length 475 mm, Width 150 mm and Height 22.6 mm; its feature copy rounds the height to 23 mm.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

A size or weight trade-off; it does not establish the better product.

Switch actuation force

Logitech ERGO K86060 g

Logitech G915 X LIGHTSPEED45 g

Sources

Logitech ERGO K860

Manufacturer specification · Logitech states 60 gf.

Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · Tactile option; Logitech lists 43 g for linear and 48 g for clicky.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Actuation point, total travel and operating force are different measurements. None alone establishes input latency, typing comfort or gaming performance.

Battery type

Logitech ERGO K8602 × AAA batteries (included)

Logitech G915 X LIGHTSPEEDRechargeable lithium polymer

Sources

Logitech ERGO K860

Manufacturer specification

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Original package contents

Logitech ERGO K860Ergonomic keyboard; Unifying USB receiver; 2 × AAA batteries; quick start guide

Logitech G915 X LIGHTSPEEDKeyboard; LIGHTSPEED USB receiver; USB extender; USB-C data/charging cable; user documentation

Sources

Logitech ERGO K860

Manufacturer specification

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Check the exact configuration and source conditions for your use.

Switch total travel

Logitech ERGO K8601.8 mm

Logitech G915 X LIGHTSPEED3.2 mm

Sources

Logitech ERGO K860

Manufacturer specification

Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Actuation point, total travel and operating force are different measurements. None alone establishes input latency, typing comfort or gaming performance.

Manufacturer-stated weight

Logitech ERGO K8601160 g

Logitech G915 X LIGHTSPEED1080 g

Sources

Logitech ERGO K860

Manufacturer specification · Keyboard with integrated wrist rest; whether batteries are included in the figure is not stated.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · Logitech states this weight without the cable.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

A size or weight trade-off; it does not establish the better product.

Configuration & compatibility details (1)

Supported operating systems

Logitech ERGO K860Bluetooth: Windows 10, 11 or later; macOS 10.15 or later; iPadOS 14 or later; Linux and ChromeOS (basic functions). USB receiver: Windows 10, 11 or later; macOS 10.15 or later; Linux and ChromeOS (basic functions)

Logitech G915 X LIGHTSPEEDLIGHTSPEED: USB port; Windows 10 v.1809 or later; macOS X 10.11 or later. Bluetooth: Bluetooth-enabled devices; Windows 11 or later; macOS 11 or later; ChromeOS; Android 4.3 or later; iOS 10 or later

Sources

Logitech ERGO K860

Manufacturer specification · Current UK product page. The support article's 'at release' list also names iOS 9 or later and Android 6 or later with older Windows/macOS minimums. Basic functions only without software on systems other than Windows and macOS; Logi Options+ customisation is Windows/macOS only.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support)

Logitech G915 X LIGHTSPEED

Manufacturer specification · Internet access for Logitech G HUB is listed as optional.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

Missing or non-comparable evidence (20)

Regional layout

Logitech ERGO K860English UK QWERTY (ISO)

Logitech G915 X LIGHTSPEEDEnglish UK (QWERTY)

Sources

Logitech ERGO K860

Manufacturer specification · SKU 920-010107 is Logitech's Graphite English UK (QWERTY) configuration, the only colour offered. Keys carry dual Windows/Mac legends. The tall ISO Enter key, £ on 3 and # key are visible in the official UK image.

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications

Logitech G915 X LIGHTSPEED

Manufacturer specification · UK SKU 920-012675. The official UK image shows the ISO arrangement (tall Enter, £ on 3); US-layout SKUs are separate products.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

One source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.

Dedicated macro keys

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEED9 keys

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification · Nine dedicated G keys; KEYCONTROL can also remap other keys.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Onboard profile capacity

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Logitech does not list a stored-profile count on the G915 X LIGHTSPEED UK page. · Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Key rollover

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Logitech does not list a rollover figure on the G915 X LIGHTSPEED UK page. · Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Hot-swappable switches

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Logitech does not state hot-swap support on the G915 X LIGHTSPEED UK page. · Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Keycap material

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDDouble-shot PBT

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Media controls

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDDedicated media controls

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification · Logitech names the media keys, and the material inventory explicitly identifies a metal roller (low-carbon aluminium). The official UK image shows previous, play/pause, next and mute beside the roller. Metal construction is not established for the compared PRO X TKL; the shared control inventory does not claim equal roller material. Original published inventory: Media controls and roller. This common field records dedicated media-control availability only. Exact visible button labels, roller/buttons, lighting/Game Mode/profile controls and application dependence retain their own conditions; an omitted playback function or roller material is not a peer absence.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Spill resistance

Logitech ERGO K860Not spill-resistant

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

Manufacturer specification

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications

Logitech G915 X LIGHTSPEED

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Switch actuation distance

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEED1.3 mm

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Included cable length

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEED1.8 m

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Ergonomic adjustments

Logitech ERGO K860Curved split keyframe; integrated three-layer pillowed wrist rest; tilt legs at 0°, −4° and −7°

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

Manufacturer specification

Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications

Logitech G915 X LIGHTSPEED

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed functions per key

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

No exact per-key function maximum is established by the retained current interpretation. Dedicated G-key counts, multiple layers and two analog stages do not supply a 15-function maximum; the positive programming subset remains known. · Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Programmable key support

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDYes

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification · The exact source positively establishes programmable keys or assignments. This does not establish every key, a dedicated physical G-key count, a maximum function count or platform-independent operation. KEYCONTROL per-key customisation, macros and remapping. Uses Logitech G HUB.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

KEYCONTROL support

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDYes

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification · The exact own-model source explicitly names KEYCONTROL. Its count and layered/analog scopes remain model-specific.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Media roller present

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDYes

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification · The own-model source/original positively shows a roller. Function, material and programmability remain independently conditioned; no absent peer roller is inferred.

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Onboard lighting profiles

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

The retained exact-model lighting description does not establish onboard lighting-profile storage. · Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dedicated playback/track controls

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDYes

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification · The exact source/original establishes dedicated playback and track controls. G710+, G213 and Alloy Core originals additionally show a stop-labelled key; this does not establish an unlisted peer absence. Media controls and roller

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Top plate

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDBrushed aluminium alloy top plate

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Volume control mechanism

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDNot verified

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

A roller is positively listed/visible, but the exact retained source does not independently name its volume function. Preserve that roller positive and leave the precise volume-function mechanism unresolved. Media controls and roller · Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wired USB keyboard mode

Logitech ERGO K860Not verified

Logitech G915 X LIGHTSPEEDYes

Sources

Logitech ERGO K860

No source recorded for this side.

Logitech G915 X LIGHTSPEED

Manufacturer specification

Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

0 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Logitech ERGO K860

What it brings

The curved split keyframe, fixed pillowed wrist rest and 0°, −4° or −7° tilt legs are aimed at a more neutral wrist posture, seated or standing.
Manufacturer source
Runs on two included AAA batteries with a Logitech claim of up to 24 months, and pairs with up to three devices over Bluetooth or the supplied Unifying receiver.
Manufacturer source Manufacturer source

What to check

It is large: 456 mm across, 233 mm front to back and 1160 g, and the wrist rest cannot be removed.
Manufacturer source Manufacturer source
No backlighting and no spill resistance.
Manufacturer source

Logitech G915 X LIGHTSPEED

What it brings

It keeps a full number pad and nine dedicated G keys for macros, with KEYCONTROL remapping handled in G HUB.
Manufacturer source
LIGHTSPEED, Bluetooth and a wired USB-C mode are all supported, and Logitech publishes battery claims at 100%, 50% and zero RGB brightness.
Manufacturer source

What to check

At 475 mm long and 1,080 g without the cable it needs far more desk width than the tenkeyless versions.
Manufacturer source
The full-brightness battery claim is 36 hours, and Logitech lists no hot-swap, rollover or onboard-profile figures for this model.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

34 of 34 specifications Sources in each row

Source-backed specifications for Logitech ERGO K860 and Logitech G915 X LIGHTSPEED
Specification	Logitech ERGO K860	Logitech G915 X LIGHTSPEED

Regional layout Sources Logitech ERGO K860 Manufacturer specification · SKU 920-010107 is Logitech's Graphite English UK (QWERTY) configuration, the only colour offered. Keys carry dual Windows/Mac legends. The tall ISO Enter key, £ on 3 and # key are visible in the official UK image. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Logitech G915 X LIGHTSPEED Manufacturer specification · UK SKU 920-012675. The official UK image shows the ISO arrangement (tall Enter, £ on 3); US-layout SKUs are separate products. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	English UK QWERTY (ISO)	English UK (QWERTY)
Keyboard sizeDifferent Sources Logitech ERGO K860 Manufacturer specification · Single-piece curved split keyframe (the halves do not separate); the pillowed wrist rest is permanently integrated per Logitech. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · The exact original also has nine dedicated physical G-keys, retained separately in Dedicated G-keys. Macro layers, media controls and top-plate finish remain source-specific facts and do not change the full-size layout class. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Full-size curved split ergonomic keyboard with number pad and integrated wrist rest	Full-size with number pad
DimensionsDifferent Sources Logitech ERGO K860 Manufacturer specification · The UK product page and the support article both label these Width 456 mm, Height 233 mm and Depth 48 mm; the 233 mm front-to-back figure includes the integrated wrist rest. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · Logitech labels these Length 475 mm, Width 150 mm and Height 22.6 mm; its feature copy rounds the height to 23 mm. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	456 × 233 × 48 mm (across keys × front-to-back × height)	475 × 150 × 22.6 mm (length across the keys × width front-to-back × height)
Supported operating systemsDifferent Sources Logitech ERGO K860 Manufacturer specification · Current UK product page. The support article's 'at release' list also names iOS 9 or later and Android 6 or later with older Windows/macOS minimums. Basic functions only without software on systems other than Windows and macOS; Logi Options+ customisation is Windows/macOS only. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · Internet access for Logitech G HUB is listed as optional. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Bluetooth: Windows 10, 11 or later; macOS 10.15 or later; iPadOS 14 or later; Linux and ChromeOS (basic functions). USB receiver: Windows 10, 11 or later; macOS 10.15 or later; Linux and ChromeOS (basic functions)	LIGHTSPEED: USB port; Windows 10 v.1809 or later; macOS X 10.11 or later. Bluetooth: Bluetooth-enabled devices; Windows 11 or later; macOS 11 or later; ChromeOS; Android 4.3 or later; iOS 10 or later
Keyboard span across the deskDifferent Sources Logitech ERGO K860 Manufacturer specification · Width across the key rows. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · Width across the key rows (Logitech labels this Length). Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	456 mm	475 mm
Manufacturer-stated weightDifferent Sources Logitech ERGO K860 Manufacturer specification · Keyboard with integrated wrist rest; whether batteries are included in the figure is not stated. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · Logitech states this weight without the cable. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	1160 g	1080 g
Top plate Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Brushed aluminium alloy top plate

Exact switch optionDifferent Sources Logitech ERGO K860 Manufacturer specification · Logitech's product-page data lists the keyboard's 'Scissor plate' as a low-carbon aluminium part and markets 'perfect stroke keys'; the support specification gives 60 gf actuation and 1.8 mm total travel but labels Keyboard Type only as a full-size ergonomic split keyboard. No alternative switch options. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · This SKU is the Tactile option; the UK Clicky option is SKU 920-012708. The manufacturer labels the selected style “Tactile”; canonical casing matches the same GL tactile switch option on the wired G915 X. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Scissor keys (single fixed key type)	Low-profile GL tactile mechanical switches
Switch total travelDifferent Sources Logitech ERGO K860 Manufacturer specification Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	1.8 mm	3.2 mm
Switch actuation forceDifferent Sources Logitech ERGO K860 Manufacturer specification · Logitech states 60 gf. Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · Tactile option; Logitech lists 43 g for linear and 48 g for clicky. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	60 g	45 g
Switch actuation distance Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	1.3 mm
Keycap material Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Double-shot PBT

ConnectionsDifferent Sources Logitech ERGO K860 Manufacturer specification · Uses a Unifying receiver (included). 10 m wireless range per Logitech, which may vary with operating environment and computer setup. Battery powered; no charging port. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · Logitech explicitly supports wired keyboard operation through the included USB-C data/charging cable. LIGHTSPEED, Bluetooth and wired operation are all supported; a shorter inventory cannot give a wired-only contender an unsupported wired-connection advantage. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Logitech Unifying USB receiver or Bluetooth Low Energy; up to three paired devices with Easy-Switch	LIGHTSPEED wireless (USB receiver); Bluetooth; wired USB-C data mode
Battery claimDifferent Sources Logitech ERGO K860 Manufacturer specification · Logitech claim for two AAA batteries; actual life varies with use. Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification · Continuous-use claims. RGB must be disabled with the keyboard brightness button for the maximum figure; Logitech notes G HUB then reports no more than 236 hours. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Up to 24 months	Up to 36 hours at 100% LIGHTSYNC RGB brightness; up to 90 hours at 50%; up to 800 hours with RGB off
Battery typeDifferent Sources Logitech ERGO K860 Manufacturer specification Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	2 × AAA batteries (included)	Rechargeable lithium polymer
Included cable length Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	1.8 m
Wired USB keyboard mode Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Yes

BacklightingDifferent Sources Logitech ERGO K860 Manufacturer specification Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Specification - ERGO K860 Split Ergonomic Keyboard (Logitech Support) Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	None	LIGHTSYNC RGB
Key customisationDifferent Sources Logitech ERGO K860 Manufacturer specification Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Logitech G915 X LIGHTSPEED Manufacturer specification · Uses Logitech G HUB. Original published inventory: KEYCONTROL per-key customisation, macros and remapping. This common application name does not equate source-specific KEYCONTROL layers, per-key maxima, selected-key programming, rapid trigger, analog actions or Game Mode behaviour. Those exact positives and unresolved counterpart scopes remain separately represented. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Logi Options+ (Windows and macOS)	Logitech G HUB
Media controls Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification · Logitech names the media keys, and the material inventory explicitly identifies a metal roller (low-carbon aluminium). The official UK image shows previous, play/pause, next and mute beside the roller. Metal construction is not established for the compared PRO X TKL; the shared control inventory does not claim equal roller material. Original published inventory: Media controls and roller. This common field records dedicated media-control availability only. Exact visible button labels, roller/buttons, lighting/Game Mode/profile controls and application dependence retain their own conditions; an omitted playback function or roller material is not a peer absence. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Dedicated media controls
Dedicated macro keys Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification · Nine dedicated G keys; KEYCONTROL can also remap other keys. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	9 keys
Programmable key support Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification · The exact source positively establishes programmable keys or assignments. This does not establish every key, a dedicated physical G-key count, a maximum function count or platform-independent operation. KEYCONTROL per-key customisation, macros and remapping. Uses Logitech G HUB. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Yes
KEYCONTROL support Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification · The exact own-model source explicitly names KEYCONTROL. Its count and layered/analog scopes remain model-specific. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Yes
Dedicated playback/track controls Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification · The exact source/original establishes dedicated playback and track controls. G710+, G213 and Alloy Core originals additionally show a stop-labelled key; this does not establish an unlisted peer absence. Media controls and roller Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Yes
Media roller present Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Manufacturer specification · The own-model source/original positively shows a roller. Function, material and programmability remain independently conditioned; no absent peer roller is inferred. Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Yes

Ergonomic adjustments Sources Logitech ERGO K860 Manufacturer specification Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Logitech G915 X LIGHTSPEED No source recorded.	Curved split keyframe; integrated three-layer pillowed wrist rest; tilt legs at 0°, −4° and −7°	Not provided
Spill resistance Sources Logitech ERGO K860 Manufacturer specification Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Logitech G915 X LIGHTSPEED No source recorded.	Not spill-resistant	Not provided
Original package contentsDifferent Sources Logitech ERGO K860 Manufacturer specification Logitech ERGO K860 — UK product page, SKU list, FAQs and technical specifications Logitech G915 X LIGHTSPEED Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Ergonomic keyboard; Unifying USB receiver; 2 × AAA batteries; quick start guide	Keyboard; LIGHTSPEED USB receiver; USB extender; USB-C data/charging cable; user documentation

Show unverified (6)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Onboard profile capacity Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Logitech does not list a stored-profile count on the G915 X LIGHTSPEED UK page. · Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Not provided
Hot-swappable switches Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Logitech does not state hot-swap support on the G915 X LIGHTSPEED UK page. · Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Not provided
Key rollover Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED Logitech does not list a rollover figure on the G915 X LIGHTSPEED UK page. · Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Not provided
Onboard lighting profiles Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED The retained exact-model lighting description does not establish onboard lighting-profile storage. · Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Not listed by the manufacturer
Claimed functions per key Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED No exact per-key function maximum is established by the retained current interpretation. Dedicated G-key counts, multiple layers and two analog stages do not supply a 15-function maximum; the positive programming subset remains known. · Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Not listed by the manufacturer
Volume control mechanism Sources Logitech ERGO K860 No source recorded. Logitech G915 X LIGHTSPEED A roller is positively listed/visible, but the exact retained source does not independently name its volume function. Preserve that roller positive and leave the precise volume-function mechanism unresolved. Media controls and roller · Manufacturer specification Logitech G915 X LIGHTSPEED — UK product page, SKU data and specifications	Not provided	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.