Monitors / Comparison

Acer EI491CR SBMIIIPHX vs Cooler Master GM27-CF

Monitor · Acer

Acer EI491CR SBMIIIPHX

49″ · 3840×1080 · 120 Hz · VA
GEAR SCORE 64.0 / 100Good
Refresh rate50
Resolution83
Panel66
Response time60
VS
Monitor · Cooler Master

Cooler Master GM27-CF

27″ · 1920×1080 · 165 Hz
GEAR SCORE 64.0 / 100Good
Refresh rate68
Resolution55
Response time69
Verdict

Acer EI491CR SBMIIIPHX and Cooler Master GM27-CF are neck and neck on specs: gear scores 64 and 64.

  • Resolution: Acer EI491CR SBMIIIPHX leads (3840×1080 vs 1920×1080).
  • Refresh rate: Cooler Master GM27-CF leads (165 Hz vs 120 Hz).
  • Response time: Cooler Master GM27-CF leads (3 ms vs 4 ms).
Pick this

Acer EI491CR SBMIIIPHX

If you care most about resolution.

Pick this

Cooler Master GM27-CF

If you care most about refresh rate, response time.

Spec-by-spec comparison

Acer EI491CR SBMIIIPHXCooler Master GM27-CF
64Gear score64
49″Screen size27″
3840×1080Resolution1920×1080
120 HzRefresh rate165 Hz
VAPanel—
4 msResponse time3 ms

The gear score is computed from specifications only (e.g. for a mouse: weight, sensor, polling rate, connection and release year). It isn’t a lab test and doesn’t measure personal preferences like shape or grip.

Free · no install

Which one adds more to your setup?

The scanner finds your graphics card, CPU, RAM, monitor, mouse and keyboard in under a minute. You get a score out of 100, estimated FPS in games, a bottleneck check and upgrade tips made for you.

FAQ

Is Acer EI491CR SBMIIIPHX or Cooler Master GM27-CF better?

Acer EI491CR SBMIIIPHX and Cooler Master GM27-CF are neck and neck on specs: gear scores 64 and 64. Resolution: Acer EI491CR SBMIIIPHX leads (3840×1080 vs 1920×1080). Refresh rate: Cooler Master GM27-CF leads (165 Hz vs 120 Hz). Response time: Cooler Master GM27-CF leads (3 ms vs 4 ms).

Which has the higher refresh rate?

Refresh rate: Cooler Master GM27-CF leads (165 Hz vs 120 Hz).