Comparison guide
Logitech MX Keys S vs Logitech G PRO X TKL LIGHTSPEED: which should you choose?
Logitech MX Keys S and Logitech G PRO X TKL LIGHTSPEED compared under one framework. One recorded specification difference is Battery life: 240 h on the Logitech MX Keys S against 50 h on the Logitech G PRO X TKL LIGHTSPEED. Specifications and their sources are recorded alongside.
Published: 2026-08-15 · Updated: 2026-09-21
Keyboards verdict
Undocumented scoring basis · overall score and upgrade ranking withheld. The table records stored representative configurations; confirm the configuration and price on the merchant page before buying.
- Logitech MX Keys S: A benchmark productivity keyboard with finger-shaped low-profile keys, smart backlighting, and three-device switching.
- Logitech G PRO X TKL LIGHTSPEED: A tournament TKL with LIGHTSPEED, Bluetooth, wired connectivity, and PBT keycaps.
- Undocumented quality and performance advantages are not ranked
- Specification field coverage (not accuracy): 100%
Choosing between Logitech MX Keys S and Logitech G PRO X TKL LIGHTSPEED starts with the real use case and the problem to solve, not with which product is newer. No independent laboratory test is implied.
Core specifications on one baseline
| Item | Logitech MX Keys S | Logitech G PRO X TKL LIGHTSPEED | Delta |
|---|---|---|---|
| Layout | Full-size 108-key Korean Manufacturer official product page · check date not recorded | Tenkeyless 87-key Manufacturer official product page · check date not recorded | Different |
| Switch type | Perfect Stroke scissor Manufacturer official product page · check date not recorded | GX Brown tactile mechanical Manufacturer official product page · check date not recorded | Different |
| Hot-swappable | No Manufacturer official product page · check date not recorded | No Manufacturer official product page · check date not recorded | Same |
| Wireless modes | Bluetooth LE, Logi Bolt (3 devices) Manufacturer official product page · check date not recorded | LIGHTSPEED, Bluetooth, wired Manufacturer official product page · check date not recorded | Different |
| Battery life | 240 h Manufacturer official product page · check date not recorded | 50 h Manufacturer official product page · check date not recorded | -79.2% |
| Weight | 810 g Manufacturer official product page · check date not recorded | 1012 g Manufacturer official product page · check date not recorded | +24.9% |
| Width | 430.2 mm Manufacturer official product page · check date not recorded | 352 mm Manufacturer official product page · check date not recorded | -18.2% |
| Keycaps | Low-profile ABS Manufacturer official product page · check date not recorded | Dual-shot PBT Manufacturer official product page · check date not recorded | Different |
| Backlight | Smart white backlight Manufacturer official product page · check date not recorded | LIGHTSYNC per-key RGB Manufacturer official product page · check date not recorded | Different |
| Color | Graphite | Black | Different |
| Region | KR | KR | Same |
| Model Code | 920-011598 | 920-012127 | Different |
18 of the 24 values in this table carry a source. The rest have no source on record, which is not the same as being wrong.
How to read Same, Different, No data, Unverified and Not applicable is documented on the configuration-level specification screen. If a condition you require is unknown, withhold the decision and match the exact model, sales region and configuration against the sources on that screen.
Differences recorded in the table
2 fields can be ranked on the same basis, listed by weight.
- Battery life · Logitech MX Keys S 240 h, Logitech G PRO X TKL LIGHTSPEED 50 h (-79.2%)
- Weight · Logitech MX Keys S 810 g, Logitech G PRO X TKL LIGHTSPEED 1012 g (+24.9%)
The decision axes and the checking order for the whole category are on the Keyboards comparison page.
The two products this comparison names
Match the listing against these models first. The recorded-field count is catalogue completeness, not product quality.
- Logitech MX Keys S · Logitech · model number 920-011598 · released 2023 · recorded fields 12/12
- Logitech G PRO X TKL LIGHTSPEED · Logitech · model number 920-012127 · released 2023 · recorded fields 12/12
Fields the two products share
2 recorded fields hold the same value for both stored representative configurations, so nothing in this list separates them.
- Hot-swappable · No
- Region · KR
Who should choose Logitech MX Keys S
Logitech MX Keys S leads the table on Battery life, Weight. A benchmark productivity keyboard with finger-shaped low-profile keys, smart backlighting, and three-device switching.
Who should choose Logitech G PRO X TKL LIGHTSPEED
Logitech G PRO X TKL LIGHTSPEED leads no field in the table, so choose it on price and purchase terms. A tournament TKL with LIGHTSPEED, Bluetooth, wired connectivity, and PBT keycaps.
How to read price and purchase availability
No merchant link is shown: neither product has an approved listing whose name and configuration match the catalogue, and AsKrs does not guess a destination.
- Logitech MX Keys S · No verified purchase link currently available
- Logitech G PRO X TKL LIGHTSPEED · No verified purchase link currently available
This comparison is built from published specifications and stored representative configurations. The use context, configuration checks, switching costs, and the scope and limits for Keyboards are documented on the Keyboards comparison page.