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Corsair K70 RGB PRO Mechanical Gaming Keyboard vs GravaStar Mercury K1

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 Corsair K70 RGB PRO Mechanical Gaming Keyboard at 5.2/10.

The GravaStar Mercury K1 leads on typing feel, customisation, connectivity, layout and ergonomics and battery and software.

They score the same on build quality.

The biggest difference is connectivity, where the GravaStar Mercury K1 scores 7/10 to the Corsair K70 RGB PRO Mechanical Gaming Keyboard's 4/10.

Corsair K70 RGB PRO Mechanical Gaming Keyboard

Corsair K70 RGB PRO Mechanical Gaming Keyboard

5.2/10verdict: good, not the best

The Corsair K70 RGB PRO is a wired, full-size gaming keyboard for players who want fast Cherry MX Speed Silver switches and a metal frame. It suits people who are happy to manage remaps and macros in iCUE on Windows or macOS. It is less suited to anyone who wants a quiet board, wireless connections or open firmware.

Check price at Amazon UK (opens in a new tab, affiliate link)

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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

Scores, criterion by criterion

CriterionWeightCorsair K70 RGB PRO Mechanical Gaming KeyboardGravaStar Mercury K1
Typing feel25%5/107/10
Build quality20%8/108/10
Customisation20%4/105/10
Connectivity15%4/107/10
Layout and ergonomics10%4/105/10
Battery and software10%5/106/10
Overall5.2/106.5/10

Specifications

SpecCorsair K70 RGB PRO Mechanical Gaming KeyboardGravaStar Mercury K1
LayoutFull size, 104 keys, US ANSI (NA)75%, 79 keys plus rotary knob
SwitchesCHERRY MX SPEED RGB Silver, 1.2mm actuation (CHERRY MX SPEED variant)GravaStar Custom Linear, 40gf actuation, 1.5mm pre-travel, 3.5mm total travel
Hot-swappablenot listedYes, 3-pin and 5-pin compatible
ConnectivityWired only, detachable braided USB Type-C cableTri-mode: Bluetooth 5.0, 2.4GHz wireless and USB-C wired
Firmware (QMK / VIA)iCUE software on Windows and macOS (key remaps and macros); no QMK or VIA support mentionednot listed
KeycapsPBT Double-Shot PRO, 1.5mm thicknessPBT and PC
Batterynot listed8000mAh

Strengths and weaknesses

Corsair K70 RGB PRO Mechanical Gaming Keyboard

  • + Aluminium frame and PBT double-shot keycaps
  • + Fast 1.2mm actuation Cherry MX Speed Silver switches
  • + Onboard memory holds up to 50 profiles
  • − Owners find the Silver switches noisy
  • − Wired only, with no Bluetooth or 2.4GHz
  • − Listed layout is US ANSI, not UK ISO

Skip it if:

  • Anyone who needs quiet switches for shared rooms or calls
  • Buyers who want wireless or multi-device Bluetooth pairing
  • Users who want QMK or VIA remapping without vendor software
Read the full Corsair K70 RGB PRO Mechanical Gaming Keyboard review ›

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 ›

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