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GravaStar Mercury K1 vs Logitech MX Mechanical Mini Wireless Keyboard

Researched, not hands-on tested.How we review ›

all judged against mechanical keyboards at a similar price

The GravaStar Mercury K1 scores 6.5/10 overall, ahead of the Logitech MX Mechanical Mini Wireless Keyboard at 5.1/10.

The GravaStar Mercury K1 leads on typing feel, build quality, customisation, connectivity and layout and ergonomics.

The Logitech MX Mechanical Mini Wireless Keyboard leads on battery and software.

GravaStar Mercury K1

GravaStar Mercury K1

6.5/10verdict: buy

The GravaStar Mercury K1 is for people who want a compact 75% wireless keyboard with an aluminium frame. It suits buyers who value a muted, cushioned sound and want to swap switches later. It is less suited to anyone who needs a specific regional layout or confirmed remapping tools.

Typically about £129 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Logitech MX Mechanical Mini Wireless Keyboard

Logitech MX Mechanical Mini Wireless Keyboard

5.1/10verdict: good, not the best

The MX Mechanical Mini suits people who want a compact wireless keyboard with a choice of switch type and long battery life. It fits those who pair it with up to three devices and don't need deep remapping. Buyers who want QMK, VIA or a confirmed UK ISO layout should read the limits below first.

Typically about £129.99 in the UK when we researched itCheck price at Amazon UK (opens in a new tab, affiliate link)

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

CriterionWeightGravaStar Mercury K1Logitech MX Mechanical Mini Wireless Keyboard
Typing feel25%7/105/10
Build quality20%8/106/10
Customisation20%5/103/10
Connectivity15%7/106/10
Layout and ergonomics10%5/103/10
Battery and software10%6/108/10
Overall6.5/105.1/10

Specifications

SpecGravaStar Mercury K1Logitech MX Mechanical Mini Wireless Keyboard
Layout75%, 79 keys plus rotary knobCompact 65%/75% (sources conflict; Best Buy lists Compact 60%); 312.60 × 131.55 × 26.10 mm, 612 g; UK ISO not selectable on UK store page
SwitchesGravaStar Custom Linear, 40gf actuation, 1.5mm pre-travel, 3.5mm total travelTactile Quiet, Clicky or Linear, chosen at purchase
Hot-swappableYes, 3-pin and 5-pin compatiblenot listed
ConnectivityTri-mode: Bluetooth 5.0, 2.4GHz wireless and USB-C wiredBluetooth Low Energy and Logi Bolt USB receiver; Easy-Switch pairs up to three devices
Firmware (QMK / VIA)not listedNot QMK or VIA; customisation via Logi Options+ on Windows and macOS
KeycapsPBT and PCABS
Battery8000mAhRechargeable Li-Po, 1500 mAh, USB-C; up to 15 days with backlighting, up to 10 months with it off

Strengths and weaknesses

GravaStar Mercury K1

  • + Aluminium alloy frame praised as solid and heavy
  • + Gasket mount with foam gives muted, cushioned typing
  • + Hot-swap sockets take 3-pin and 5-pin switches
  • − Volume roller is plastic styled to look like metal
  • − Front logo placement does not blend in
  • − Backplate is plastic beneath the aluminium frame

Skip it if:

  • Buyers who need a full numpad
  • Anyone who wants a loud, sharp typing sound
  • Buyers who want metal controls throughout
Read the full GravaStar Mercury K1 review ›

Logitech MX Mechanical Mini Wireless Keyboard

  • + Battery lasts up to 10 months with backlight off
  • + Sturdy chassis with no flex, according to owners
  • + Tactile Quiet, Clicky or Linear switches at purchase
  • − Owners report stabiliser rattle and noise
  • − No QMK or VIA; remapping limited to Logi Options+
  • − UK ISO not selectable on the UK store page

Skip it if:

  • Anyone who wants QMK, VIA or open-firmware remapping
  • Typists who need a confirmed UK ISO layout or adjustable tilt
  • Buyers sensitive to stabiliser rattle in a shared space
Read the full Logitech MX Mechanical Mini Wireless Keyboard review ›

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