KEYBOARDS · YOUR NEXT FACE-OFF

Logitech PRO X TKL vs Logitech G515 LIGHTSPEED TKL

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

Compared products

YOUR FIRST CHOICE

Logitech PRO X TKL

920-012147 · English UK (QWERTY) · white · Tactile switches

Logitech G PRO X TKL wireless white keyboard with UK ISO QWERTY layout, official top view

Full product profile Official image

Exact model & source notes

The PRO X TKL is a wireless tenkeyless keyboard with LIGHTSPEED and Bluetooth. This white UK-layout Tactile version is SKU 920-012147 and includes a USB-A to USB-C charging/data cable and a carrying case.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

WHICH SUITS YOU?

Choose the PRO X TKL for

An English UK (QWERTY) layout
Tactile mechanical switches

Choose the G515 LIGHTSPEED TKL for

An English US QWERTY (ANSI) layout
Low-profile GL tactile mechanical switches

Built from verified specifications that differ. Not a rating or a recommendation.

See the 6 verified differences

THE CONTENDER

Logitech G515 LIGHTSPEED TKL

920-012423 · English US QWERTY · black · tactile low-profile switches

Full product profile Official image

Exact model & source notes

The G515 LIGHTSPEED TKL is a low-profile tenkeyless keyboard with GL tactile switches, LIGHTSPEED wireless, Bluetooth and wired USB modes, LIGHTSYNC RGB, double-shot PBT keycaps and up to 36 hours of battery life.

Specifications checked 11 Sept 2026.

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

Manufacturer specifications

PRO X TKL UK & US retailers

UK & US price history: no verified listing yet

G515 LIGHTSPEED TKL 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 SIDE6 topics

SELECTED TOPIC

01 / 06

Regional layout

Check the exact configuration and source conditions for your use.

Logitech PRO X TKLEnglish UK (QWERTY)

Manufacturer specification · UK SKU 920-012147. The official UK image shows the ISO arrangement (tall Enter, £ on 3); US-layout SKUs are separate products.

Source 1

Logitech G515 LIGHTSPEED TKLEnglish US QWERTY (ANSI)

Manufacturer specification · US key legends; check the listing for your region's layout.

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 ↓

6 verified differences, most decision-relevant first. All are also drawn in Visual facts above. 1 feature is the same under different published names, grouped below. Missing information stays separate.

Regional layout

In Visual facts

Logitech PRO X TKLEnglish UK (QWERTY)

Logitech G515 LIGHTSPEED TKLEnglish US QWERTY (ANSI)

Sources

Logitech PRO X TKL

Manufacturer specification · UK SKU 920-012147. The official UK image shows the ISO arrangement (tall Enter, £ on 3); US-layout SKUs are separate products.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · US key legends; check the listing for your region's layout.

Logitech G515 LIGHTSPEED TKL — exact model specifications

Check the exact configuration and source conditions for your use.

Exact switch option

In Visual facts

Logitech PRO X TKLTactile mechanical switches

Logitech G515 LIGHTSPEED TKLLow-profile GL tactile mechanical switches

Sources

Logitech PRO X TKL

Manufacturer specification · Logitech lists this UK SKU as the Tactile style and does not name the switch model on the UK page; linear and clicky options are separate SKUs where offered.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

Check the exact configuration and source conditions for your use.

Keyboard span across the desk

In Visual facts

Logitech PRO X TKL352 mm

Logitech G515 LIGHTSPEED TKL368 mm

Sources

Logitech PRO X TKL

Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

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

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Battery claim

In Visual facts

Logitech PRO X TKLUp to 50 hours (rechargeable)

Logitech G515 LIGHTSPEED TKLUp to 36 hours

Sources

Logitech PRO X TKL

Manufacturer specification · Logitech says this may vary based on user and computing conditions and does not state the lighting setting.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · Logitech does not state the lighting or connection settings behind this figure.

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Dimensions

In Visual facts

Logitech PRO X TKL352 × 150 × 38 mm (width across the keys × depth × height)

Logitech G515 LIGHTSPEED TKL368 × 150 × 22 mm (across keys × front-to-back × height)

Sources

Logitech PRO X TKL

Manufacturer specification · Logitech labels these Width 352 mm, Depth 150 mm and Height 38 mm.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · Logitech lists 368 mm length, 150 mm width and 22 mm height; the length runs across the keys.

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Original package contents

In Visual facts

Logitech PRO X TKLKeyboard; USB LIGHTSPEED adapter; adapter extension; USB-A to USB-C charging and data cable; carrying case; user documentation

Logitech G515 LIGHTSPEED TKLKeyboard; 1.8 m USB-A to USB-C charging/data cable; USB wireless receiver; USB extender; documentation

Sources

Logitech PRO X TKL

Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · Original manufacturer package contents.

Logitech G515 LIGHTSPEED TKL — exact model specifications

Check the exact configuration and source conditions for your use.

Same feature, different names (1)

The sources publish different names for the same feature. Both names and their sources are shown; they are not counted as differences.

Shared wireless receiver

Logitech PRO X TKLOne LIGHTSPEED adapter can connect a supported mouse and the keyboard

Logitech G515 LIGHTSPEED TKL2:1 pairing with a compatible LIGHTSPEED mouse

Sources

Logitech PRO X TKL

Manufacturer specification · Supported Logitech LIGHTSPEED mice only.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · Works with compatible LIGHTSPEED mice only.

Logitech G515 LIGHTSPEED TKL — exact model specifications

Both sources state the same feature under different published names. This is not a verified difference; check the exact feature you need.

Configuration & compatibility details (1)

Supported operating systems

Logitech PRO X TKLPC with Windows 10 or later and a USB 2.0 port

Logitech G515 LIGHTSPEED TKLUSB: Windows 10 or later, macOS 12 or later. Bluetooth: Windows 10 or later, macOS 12 or later, ChromeOS, Android 4.3 or later, iOS 10 or later

Sources

Logitech PRO X TKL

Manufacturer specification · Logitech lists internet access for G HUB as a requirement; no macOS or mobile support is listed on the UK page.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · G HUB is optional and has its own system requirements.

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Missing or non-comparable evidence (20)

Connections

Logitech PRO X TKLLIGHTSPEED wireless (USB receiver); Bluetooth

Logitech G515 LIGHTSPEED TKLLIGHTSPEED USB wireless receiver; Bluetooth; USB-A to USB-C charging and data cable

Sources

Logitech PRO X TKL

Manufacturer specification · Bluetooth appears in Logitech’s page description; the technical specifications list LIGHTSPEED and the detachable charging/data cable. The box includes a USB-A-to-USB-C charging and data cable, but that box inventory alone does not establish a wired keyboard operating mode. Bluetooth is explicitly named in the manufacturer page description.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Onboard profile capacity

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

No source recorded for this side.

Logitech G515 LIGHTSPEED TKL

Logitech does not list a stored-profile count for the G515 LIGHTSPEED TKL. · Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Key rollover

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

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

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Logitech does not list this for the G515 LIGHTSPEED TKL. · Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Hot-swappable switches

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

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

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Logitech does not list this for the G515 LIGHTSPEED TKL. · Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Keycap material

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLDouble-shot PBT

Sources

Logitech PRO X TKL

No source recorded for this side.

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Media controls

Logitech PRO X TKLMedia controls and roller

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

Manufacturer specification · The manufacturer feature text explicitly calls this a volume roller. Its material is not specified in the retained exact-model evidence; sharing the positive control inventory with G915 X does not establish matching construction.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

No source recorded for this side.

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

Game Mode

Logitech PRO X TKLGame Mode button with Game Mode Lock

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

No source recorded for this side.

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

Switch and case construction

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLFactory-lubed switches and sound-dampening layered construction

Sources

Logitech PRO X TKL

No source recorded for this side.

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Switch actuation distance

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKL1.3 mm

Sources

Logitech PRO X TKL

No source recorded for this side.

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Switch actuation force

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKL45 g

Sources

Logitech PRO X TKL

No source recorded for this side.

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · Tactile option; the linear option is listed at 43 g.

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Battery type

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLRechargeable lithium-polymer

Sources

Logitech PRO X TKL

No source recorded for this side.

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Included cable length

Logitech PRO X TKL6 ft

Logitech G515 LIGHTSPEED TKL1.8 m

Sources

Logitech PRO X TKL

Manufacturer specification · Logitech states the cable length in feet only.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

The recorded units or formats differ. These values are not ranked.

Claimed functions per key

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKL15 functions

Sources

Logitech PRO X TKL

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 G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · Manufacturer upper bound: up to 15 functions per key using KEYCONTROL/G HUB. This is an assignment-function maximum, not 15 physical keys or simultaneous actions.

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

KEYCONTROL support

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLYes

Sources

Logitech PRO X TKL

The retained exact model establishes programmable keys with G HUB but does not establish named KEYCONTROL in the reviewed evidence. This is unresolved support, not a verified absence. · Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

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

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Onboard lighting profiles

Logitech PRO X TKLYes

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

No source recorded for this side.

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

Report rate claim

Logitech PRO X TKL1 ms report rate

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

No source recorded for this side.

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

Switch total travel

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKL3.2 mm

Sources

Logitech PRO X TKL

No source recorded for this side.

Logitech G515 LIGHTSPEED TKL

Manufacturer specification

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

Wired USB keyboard mode

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

The supplied charging/data cable inventory alone does not establish a wired keyboard operating mode. · Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

No source recorded for this side.

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

Wireless range claim

Logitech PRO X TKLUp to 10 m

Logitech G515 LIGHTSPEED TKLNot verified

Sources

Logitech PRO X TKL

Manufacturer specification · May vary based on user and computing conditions.

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

No source recorded for this side.

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

Manufacturer-stated weight

Logitech PRO X TKLNot verified

Logitech G515 LIGHTSPEED TKL880 g

Sources

Logitech PRO X TKL

Logitech does not list a weight on the PRO X TKL UK page. · Manufacturer specification

Logitech G PRO X TKL wireless — UK product page, SKU data and specifications

Logitech G515 LIGHTSPEED TKL

Manufacturer specification · Logitech does not say whether the cable is included.

Logitech G515 LIGHTSPEED TKL — exact model specifications

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

4 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Logitech PRO X TKL

What it brings

Programmable keys, Game Mode with a Game Mode Lock, media controls and a volume roller are built into the tenkeyless frame.
Manufacturer source
One LIGHTSPEED adapter can serve both the keyboard and a supported Logitech mouse, and a carrying case is included.
Manufacturer source

What to check

Logitech’s UK page lists only Windows 10 or later as the supported system and publishes no weight, hot-swap or rollover figures.
Manufacturer source
The 50-hour battery claim has no stated lighting condition, and the page does not name the tactile switch model.
Manufacturer source

Logitech G515 LIGHTSPEED TKL

What it brings

It connects by LIGHTSPEED receiver, Bluetooth or USB cable; the receiver can also pair a compatible LIGHTSPEED mouse, and KEYCONTROL allows up to 15 functions per key.
Manufacturer source
Low-profile GL tactile switches actuate at 1.3 mm, with factory-lubed switches and sound-dampening layers in a 22 mm-tall, 880 g body.
Manufacturer source

What to check

There is no number pad, and Logitech does not say which lighting settings its 36-hour battery figure assumes. Sharing the receiver needs a compatible LIGHTSPEED mouse.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

32 of 32 specifications Sources in each row

Source-backed specifications for Logitech PRO X TKL and Logitech G515 LIGHTSPEED TKL
Specification	Logitech PRO X TKL	Logitech G515 LIGHTSPEED TKL

Regional layoutDifferent Sources Logitech PRO X TKL Manufacturer specification · UK SKU 920-012147. The official UK image shows the ISO arrangement (tall Enter, £ on 3); US-layout SKUs are separate products. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · US key legends; check the listing for your region's layout. Logitech G515 LIGHTSPEED TKL — exact model specifications	English UK (QWERTY)	English US QWERTY (ANSI)
Keyboard size Sources Logitech PRO X TKL Manufacturer specification · Exact UK white Tactile SKU and original ISO image establish a tenkeyless layout. Region, switch height and media controls remain separate supported facts. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL The manufacturer describes this exact variant as tenkeyless. "No number pad" and "without number pad" name the same layout; regional key layout, switch option and connection remain separate facts. · Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Tenkeyless (no number pad)	Tenkeyless (no number pad)
DimensionsDifferent Sources Logitech PRO X TKL Manufacturer specification · Logitech labels these Width 352 mm, Depth 150 mm and Height 38 mm. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · Logitech lists 368 mm length, 150 mm width and 22 mm height; the length runs across the keys. Logitech G515 LIGHTSPEED TKL — exact model specifications	352 × 150 × 38 mm (width across the keys × depth × height)	368 × 150 × 22 mm (across keys × front-to-back × height)
Supported operating systemsDifferent Sources Logitech PRO X TKL Manufacturer specification · Logitech lists internet access for G HUB as a requirement; no macOS or mobile support is listed on the UK page. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · G HUB is optional and has its own system requirements. Logitech G515 LIGHTSPEED TKL — exact model specifications	PC with Windows 10 or later and a USB 2.0 port	USB: Windows 10 or later, macOS 12 or later. Bluetooth: Windows 10 or later, macOS 12 or later, ChromeOS, Android 4.3 or later, iOS 10 or later
Keyboard span across the deskDifferent Sources Logitech PRO X TKL Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · Width across the key rows (Logitech labels this Length). Logitech G515 LIGHTSPEED TKL — exact model specifications	352 mm	368 mm
Manufacturer-stated weight Sources Logitech PRO X TKL Logitech does not list a weight on the PRO X TKL UK page. · Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · Logitech does not say whether the cable is included. Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	880 g
Switch and case construction Sources Logitech PRO X TKL No source recorded. Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	Factory-lubed switches and sound-dampening layered construction

Exact switch optionDifferent Sources Logitech PRO X TKL Manufacturer specification · Logitech lists this UK SKU as the Tactile style and does not name the switch model on the UK page; linear and clicky options are separate SKUs where offered. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Tactile mechanical switches	Low-profile GL tactile mechanical switches
Switch actuation distance Sources Logitech PRO X TKL No source recorded. Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	1.3 mm
Switch total travel Sources Logitech PRO X TKL No source recorded. Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	3.2 mm
Switch actuation force Sources Logitech PRO X TKL No source recorded. Logitech G515 LIGHTSPEED TKL Manufacturer specification · Tactile option; the linear option is listed at 43 g. Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	45 g
Keycap material Sources Logitech PRO X TKL No source recorded. Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	Double-shot PBT

ConnectionsDifferent Sources Logitech PRO X TKL Manufacturer specification · Bluetooth appears in Logitech’s page description; the technical specifications list LIGHTSPEED and the detachable charging/data cable. The box includes a USB-A-to-USB-C charging and data cable, but that box inventory alone does not establish a wired keyboard operating mode. Bluetooth is explicitly named in the manufacturer page description. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	LIGHTSPEED wireless (USB receiver); Bluetooth	LIGHTSPEED USB wireless receiver; Bluetooth; USB-A to USB-C charging and data cable
Included cable length Sources Logitech PRO X TKL Manufacturer specification · Logitech states the cable length in feet only. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	6 ft	1.8 m
Report rate claim Sources Logitech PRO X TKL Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL No source recorded.	1 ms report rate	Not provided
Battery claimDifferent Sources Logitech PRO X TKL Manufacturer specification · Logitech says this may vary based on user and computing conditions and does not state the lighting setting. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · Logitech does not state the lighting or connection settings behind this figure. Logitech G515 LIGHTSPEED TKL — exact model specifications	Up to 50 hours (rechargeable)	Up to 36 hours
Wireless range claim Sources Logitech PRO X TKL Manufacturer specification · May vary based on user and computing conditions. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL No source recorded.	Up to 10 m	Not provided
Shared wireless receiver Sources Logitech PRO X TKL Manufacturer specification · Supported Logitech LIGHTSPEED mice only. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · Works with compatible LIGHTSPEED mice only. Logitech G515 LIGHTSPEED TKL — exact model specifications	One LIGHTSPEED adapter can connect a supported mouse and the keyboard	2:1 pairing with a compatible LIGHTSPEED mouse
Battery type Sources Logitech PRO X TKL No source recorded. Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	Rechargeable lithium-polymer

Backlighting Sources Logitech PRO X TKL Manufacturer specification · The manufacturer separately lists onboard lighting profiles. Advanced features require Logitech G HUB. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	LIGHTSYNC RGB	LIGHTSYNC RGB
Configuration software Sources Logitech PRO X TKL Manufacturer specification · Logitech does not publish how many keys are programmable. Its specifications note that advanced features require Logitech G HUB software, and list internet access for G HUB among the requirements. Original published inventory: Programmable keys. 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 G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · G HUB is required; not every function may work over Bluetooth on every platform. Original published inventory: G HUB with KEYCONTROL; up to 15 functions per key. 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 G515 LIGHTSPEED TKL — exact model specifications	Logitech G HUB	Logitech G HUB
Game Mode Sources Logitech PRO X TKL Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL No source recorded.	Game Mode button with Game Mode Lock	Not provided
Media controls Sources Logitech PRO X TKL Manufacturer specification · The manufacturer feature text explicitly calls this a volume roller. Its material is not specified in the retained exact-model evidence; sharing the positive control inventory with G915 X does not establish matching construction. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL No source recorded.	Media controls and roller	Not provided
Onboard lighting profiles Sources Logitech PRO X TKL Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL No source recorded.	Yes	Not provided
Programmable key support Sources Logitech PRO X TKL 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. Programmable keys. Logitech does not publish how many keys are programmable. Its specifications note that advanced features require Logitech G HUB software, and list internet access for G HUB among the requirements. Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL 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. G HUB with KEYCONTROL; up to 15 functions per key. G HUB is required; not every function may work over Bluetooth on every platform. Logitech G515 LIGHTSPEED TKL — exact model specifications	Yes	Yes
KEYCONTROL support Sources Logitech PRO X TKL The retained exact model establishes programmable keys with G HUB but does not establish named KEYCONTROL in the reviewed evidence. This is unresolved support, not a verified absence. · Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · The exact own-model source explicitly names KEYCONTROL. Its count and layered/analog scopes remain model-specific. Logitech G515 LIGHTSPEED TKL — exact model specifications	Not listed by the manufacturer	Yes
Claimed functions per key Sources Logitech PRO X TKL 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 G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · Manufacturer upper bound: up to 15 functions per key using KEYCONTROL/G HUB. This is an assignment-function maximum, not 15 physical keys or simultaneous actions. Logitech G515 LIGHTSPEED TKL — exact model specifications	Not listed by the manufacturer	15 functions

Original package contentsDifferent Sources Logitech PRO X TKL Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Manufacturer specification · Original manufacturer package contents. Logitech G515 LIGHTSPEED TKL — exact model specifications	Keyboard; USB LIGHTSPEED adapter; adapter extension; USB-A to USB-C charging and data cable; carrying case; user documentation	Keyboard; 1.8 m USB-A to USB-C charging/data cable; USB wireless receiver; USB extender; documentation

Show unverified (4)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Hot-swappable switches Sources Logitech PRO X TKL Logitech does not state hot-swap support on the PRO X TKL UK page. · Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Logitech does not list this for the G515 LIGHTSPEED TKL. · Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	Not provided
Key rollover Sources Logitech PRO X TKL Logitech does not list a rollover figure on the PRO X TKL UK page. · Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL Logitech does not list this for the G515 LIGHTSPEED TKL. · Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	Not provided
Wired USB keyboard mode Sources Logitech PRO X TKL The supplied charging/data cable inventory alone does not establish a wired keyboard operating mode. · Manufacturer specification Logitech G PRO X TKL wireless — UK product page, SKU data and specifications Logitech G515 LIGHTSPEED TKL No source recorded.	Not listed by the manufacturer	Not provided
Onboard profile capacity Sources Logitech PRO X TKL No source recorded. Logitech G515 LIGHTSPEED TKL Logitech does not list a stored-profile count for the G515 LIGHTSPEED TKL. · Manufacturer specification Logitech G515 LIGHTSPEED TKL — exact model specifications	Not provided	Not provided

First product manufacturer source Second product manufacturer source

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Logitech G PRO X TKL RAPID black tenkeyless keyboard with US ANSI QWERTY layout, official top view

Logitech PRO X TKL RAPID

Keyboard width: 357 mm
Cable length: 1.8 m
Regional layout: English US QWERTY (ANSI)

Prices & product profile

Logitech G915 X LIGHTSPEED TKL

Keyboard width: 368 mm
Cable length: 1.8 m
Actuation distance: 1.3 mm

Prices & product profile

Logitech G915 X

Keyboard width: 475 mm
Cable length: 1.8 m
Actuation distance: 1.3 mm

Prices & product profile

Logitech G915 X LIGHTSPEED

Keyboard width: 475 mm
Cable length: 1.8 m
Actuation distance: 1.3 mm

Prices & product profile

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.