Monitors / Comparison

ASUS ROG Strix XG256Q vs Gigabyte S55U

Monitor · ASUS

ASUS ROG Strix XG256Q

24.5″ · 1920×1080 · 180 Hz · IPS
GEAR SCORE 71.0 / 100Very good
Refresh rate72
Resolution55
Panel80
Response time90
VS
Monitor · Gigabyte

Gigabyte S55U

54.6″ · 3840×2160 · 120 Hz · VA
GEAR SCORE 71.0 / 100Very good
Refresh rate50
Resolution100
Panel66
Response time78
Verdict

ASUS ROG Strix XG256Q and Gigabyte S55U are neck and neck on specs: gear scores 71 and 71.

  • Resolution: Gigabyte S55U leads (3840×2160 vs 1920×1080).
  • Refresh rate: ASUS ROG Strix XG256Q leads (180 Hz vs 120 Hz).
  • Response time: ASUS ROG Strix XG256Q leads (1 ms vs 2 ms).
Pick this

ASUS ROG Strix XG256Q

If you care most about refresh rate, response time.

Pick this

Gigabyte S55U

If you care most about resolution.

Spec-by-spec comparison

ASUS ROG Strix XG256QGigabyte S55U
71Gear score71
24.5″Screen size54.6″
1920×1080Resolution3840×2160
180 HzRefresh rate120 Hz
IPSPanelVA
1 msResponse time2 ms
≈ $173Estimated price≈ $1,340

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.

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Which one adds more to your setup?

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FAQ

Is ASUS ROG Strix XG256Q or Gigabyte S55U better?

ASUS ROG Strix XG256Q and Gigabyte S55U are neck and neck on specs: gear scores 71 and 71. Resolution: Gigabyte S55U leads (3840×2160 vs 1920×1080). Refresh rate: ASUS ROG Strix XG256Q leads (180 Hz vs 120 Hz). Response time: ASUS ROG Strix XG256Q leads (1 ms vs 2 ms).

Which has the higher refresh rate?

Refresh rate: ASUS ROG Strix XG256Q leads (180 Hz vs 120 Hz).

How much do they cost?

Estimated prices: ASUS ROG Strix XG256Q ≈ $173, Gigabyte S55U ≈ $1,340. Current prices vary by store.