GMMK Pro vs Razer BlackWidow V4 — Which Should You Buy?

Side-by-side comparison of GMMK Pro and Razer BlackWidow V4. We compare specs, performance, and value to help you decide.

Updated 2026-03-09 Independently reviewed
GMMK Pro

GMMK Pro

8.6/10
$169 /one-time
VS
Razer BlackWidow V4

Razer BlackWidow V4

8.4/10
$169 /one-time

Feature Comparison

Feature GMMK Pro Razer BlackWidow V4
Layout 75% Full-size
Switch Type Glorious Panda or barebones Razer Green (clicky) or Yellow (linear)
Hot-Swappable Yes (5-pin) No
Connectivity USB-C USB-C
Backlight South-facing RGB Per-key Chroma RGB
Keycap Material PBT (pre-built) or barebones ABS doubleshot
Build Material Aluminum Aluminum top, plastic base
Polling Rate 1000Hz 8000Hz
N-Key Rollover Yes Yes
Weight 1.1 kg 1.1 kg

GMMK Pro

Pros

  • ✓CNC aluminum chassis feels premium
  • ✓Gasket-mount design for flex-free typing
  • ✓Rotary encoder for volume/media control
  • ✓Hot-swappable 5-pin sockets
  • ✓Barebones option for custom builds
  • ✓South-facing RGB, good for shine-through
  • ✓QMK-compatible firmware

Cons

  • ✗Wired only, no Bluetooth
  • ✗Stock stabilizers need tuning
  • ✗Software (Glorious Core) is basic

Razer BlackWidow V4

Pros

  • ✓Command dial for media and app control
  • ✓Dedicated macro keys (5)
  • ✓Razer Chroma RGB, extensive effects
  • ✓Magnetic leatherette wrist rest
  • ✓Aluminum top plate
  • ✓Razer Synapse integration
  • ✓8000Hz HyperPolling (wired)

Cons

  • ✗Not hot-swappable
  • ✗Synapse required, can be heavy
  • ✗Full-size only

Our Verdict

GMMK Pro

The GMMK Pro is a strong choice for builders who want a premium aluminum chassis and gasket mount at a mid-range price, with the flexibility to customize.

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Razer BlackWidow V4

The BlackWidow V4 is a feature-rich gaming keyboard with a command dial and macro keys. Best for Razer ecosystem users and gamers who want extra controls.

Sale Price Live — Don't Miss Out

Our Methodology

We type-test each keyboard for at least 2 weeks in real work and gaming scenarios. We measure actuation force with a force gauge, test latency with specialized tools, and evaluate build quality, keycap material, and sound profile. No manufacturer has editorial influence over our rankings.

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