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AOC 27G4X vs UPERFECT K118: Comparison
AOC 27G4X vs UPERFECT K118: the refresh rate difference
Start with refresh rate, because it is the widest measured gap between them: AOC 27G4X 180 Hz against UPERFECT K118 60 Hz, 67% in favour of AOC 27G4X. Add screen size to that, 27 in on the AOC 27G4X versus 15.6 in on the UPERFECT K118, and the pattern holds. On response time there is little in it, 1 ms on the AOC 27G4X versus 6ms on the UPERFECT K118. Hdr support is not the same on both, Yes on the AOC 27G4X versus No on the UPERFECT K118. They differ on adaptive sync too, Adaptive-Sync, NVIDIA G-Sync Compatible on the AOC 27G4X versus None on the UPERFECT K118. Color gamut is not the same on both, 128.3% sRGB, 95.5% DCI-P3 on the AOC 27G4X versus 100% sRGB on the UPERFECT K118.
Who each one is for
The AOC 27G4X is the one to take for extreme budget-conscious gamers and first-time QHD high-refresh upgraders, though it is not built for buyers wanting real HDR contrast and anyone wanting a fully adjustable stand. Buy the UPERFECT K118 for budget travelers who specifically want a built-in battery and buyers priced out of ASUS or Lenovo battery models, though it is the wrong buy for daily heavy users wanting maximum durability and colour-critical creative work. Avoid it for buyers wanting premium build and consistent color out of the box. Our rating of the AOC 27G4X (7.6/10): an aggressively priced high-refresh QHD monitor that delivers solid core gaming performance without extra frills. Our rating of the UPERFECT K118 (6.8/10): A budget-friendly way to get battery-powered portability without paying premium-brand prices.
What AOC 27G4X and UPERFECT K118 have in common
The common ground is wider than the gap: resolution, panel type, aspect ratio and curved are identical here.
Specs and benchmarks
Panel Type
- AOC 27G4X
- IPS
- UPERFECT K118
- IPS
Brand
- AOC 27G4X
- AOC
- UPERFECT K118
- UPERFECT
Model Number
- AOC 27G4X
- 27G4X
- UPERFECT K118
- K118
Screen Size
- AOC 27G4X
- 27 inBest
- UPERFECT K118
- 15.6 in-42%
Resolution
- AOC 27G4X
- 1920 x 1080 (Full HD)
- UPERFECT K118
- 1920 x 1080 (Full HD)
Aspect Ratio
- AOC 27G4X
- 16:9
- UPERFECT K118
- 16:9
Refresh Rate
- AOC 27G4X
- 180 HzBest
- UPERFECT K118
- 60 Hz-67%
Response Time
- AOC 27G4X
- 1 msBest
- UPERFECT K118
- 6ms (GtG)
Adaptive Sync
- AOC 27G4X
- Adaptive-Sync, NVIDIA G-Sync Compatible
- UPERFECT K118
- None
HDR Support
- AOC 27G4X
- Yes
- UPERFECT K118
- No
Curved
- AOC 27G4X
- No
- UPERFECT K118
- No
Series
- AOC 27G4X
- AOC Gaming 27G4X
- UPERFECT K118
- K118
Color Gamut
- AOC 27G4X
- 128.3% sRGB, 95.5% DCI-P3
- UPERFECT K118
- 100% sRGB
Which one should you pick?
Choose AOC 27G4X if you want the higher screen size (27 in vs 15.6 in), the higher refresh rate (180 Hz vs 60 Hz) and the lower response time (1 ms vs 6ms (GtG)).
Choose UPERFECT K118 if you already have it on hand or find it at a lower price.
Verdict
AOC 27G4X
7.6 / 10 Expert Rating
An aggressively priced high-refresh QHD monitor that delivers solid core gaming performance without extra frills.
UPERFECT K118
6.8 / 10 Expert Rating
A budget-friendly way to get battery-powered portability without paying premium-brand prices.




