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Acer Predator XB273U vs Corsair Xeneon Flex 45WQHD240: Comparison
What is the difference between Acer Predator XB273U and Corsair Xeneon Flex 45WQHD240?
Response time is where these two genuinely part company, Acer Predator XB273U 1 ms against Corsair Xeneon Flex 45WQHD240 0.03 ms, a 3233% lead for Corsair Xeneon Flex 45WQHD240. Corsair Xeneon Flex 45WQHD240 also leads on refresh rate, 165 Hz on the Acer Predator XB273U versus 240 Hz on the Corsair Xeneon Flex 45WQHD240. Max refresh rate runs the same way, 165 Hz on the Acer Predator XB273U versus 240 Hz on the Corsair Xeneon Flex 45WQHD240, another win for Corsair Xeneon Flex 45WQHD240. Add screen size to that, 27 in on the Acer Predator XB273U versus 45 in on the Corsair Xeneon Flex 45WQHD240, and the pattern holds.
Acer Predator XB273U vs Corsair Xeneon Flex 45WQHD240: which one fits your build
Buy the Acer Predator XB273U for gamers wanting reliable QHD performance at 170Hz and buyers who value sturdy build quality, though it is the wrong buy for buyers wanting USB-C connectivity and minimalist desk aesthetics. The Corsair Xeneon Flex 45WQHD240 suits users who switch between gaming and flat-panel productivity work and ultrawide enthusiasts wanting OLED contrast and flexibility, though it is not the pick for buyers wanting a simple, no-fuss fixed-curve monitor and budget-conscious shoppers. Our rating of the Acer Predator XB273U (8.1/10): A solid, no-surprises 27-inch QHD gaming monitor that competes well against the segment's established favorites. Our rating of the Corsair Xeneon Flex 45WQHD240 (8.7/10): A genuinely innovative ultrawide OLED monitor whose bendable design solves the flat-versus-curved tradeoff better than any competitor.
Frequently asked questions
Do the Acer Predator XB273U and Corsair Xeneon Flex 45WQHD240 differ on resolution?
Yes. Resolution reads 2560 x 1440 on the Acer Predator XB273U versus 3440 x 1440 on the Corsair Xeneon Flex 45WQHD240.
Is the HDR Support the same on the Acer Predator XB273U and Corsair Xeneon Flex 45WQHD240?
It is. Both are listed at Yes, so it is not a reason to pick one over the other.
Specs and benchmarks
Panel Type
- Acer Predator XB273U
- IPS
- Corsair Xeneon Flex 45WQHD240
- WOLED
Brand
- Acer Predator XB273U
- Acer
- Corsair Xeneon Flex 45WQHD240
- Corsair
Model Number
- Acer Predator XB273U
- XB273U GS
- Corsair Xeneon Flex 45WQHD240
- 45WQHD240
Screen Size
- Acer Predator XB273U
- 27 in-40%
- Corsair Xeneon Flex 45WQHD240
- 45 inBest
Resolution
- Acer Predator XB273U
- 2560 x 1440 (QHD)
- Corsair Xeneon Flex 45WQHD240
- 3440 x 1440 (UWQHD)
Panel Technology
- Acer Predator XB273U
- IPS
- Corsair Xeneon Flex 45WQHD240
- WOLED
Aspect Ratio
- Acer Predator XB273U
- 16:9
- Corsair Xeneon Flex 45WQHD240
- 21:9
Refresh Rate
- Acer Predator XB273U
- 165 Hz-31%
- Corsair Xeneon Flex 45WQHD240
- 240 HzBest
Response Time
- Acer Predator XB273U
- 1 ms-3233%
- Corsair Xeneon Flex 45WQHD240
- 0.03 msBest
Adaptive Sync
- Acer Predator XB273U
- NVIDIA G-Sync Compatible
- Corsair Xeneon Flex 45WQHD240
- AMD FreeSync Premium, NVIDIA G-Sync Compatible
HDR Support
- Acer Predator XB273U
- Yes
- Corsair Xeneon Flex 45WQHD240
- Yes
Curved
- Acer Predator XB273U
- No
- Corsair Xeneon Flex 45WQHD240
- Yes
Native Resolution
- Acer Predator XB273U
- 2560x1440
- Corsair Xeneon Flex 45WQHD240
- 3440x1440
Max Refresh Rate
- Acer Predator XB273U
- 165 Hz-31%
- Corsair Xeneon Flex 45WQHD240
- 240 HzBest
Response Time GtG
- Acer Predator XB273U
- 1 ms
- Corsair Xeneon Flex 45WQHD240
- 0.03 msBest
VRR Standard
- Acer Predator XB273U
- G-Sync Compatible
- Corsair Xeneon Flex 45WQHD240
- FreeSync Premium
HDR Certification
- Acer Predator XB273U
- DisplayHDR 400
- Corsair Xeneon Flex 45WQHD240
- DisplayHDR True Black 400
DCI-P3 Coverage
- Acer Predator XB273U
- 95 %
- Corsair Xeneon Flex 45WQHD240
- 98.5 %
Color Depth
- Acer Predator XB273U
- 8-bit
- Corsair Xeneon Flex 45WQHD240
- 10-bit
Series
- Acer Predator XB273U
- Predator XB273U
- Corsair Xeneon Flex 45WQHD240
- Xeneon Flex
Color Gamut
- Acer Predator XB273U
- 95% DCI-P3
- Corsair Xeneon Flex 45WQHD240
- 98.5% DCI-P3
Which one should you pick?
Choose Acer Predator XB273U if you already have it on hand or find it at a lower price.
Choose Corsair Xeneon Flex 45WQHD240 if you want the higher screen size (45 in vs 27 in), the higher refresh rate (240 Hz vs 165 Hz) and the lower response time (0.03 ms vs 1 ms).
Verdict
Acer Predator XB273U
8.1 / 10 Expert Rating
A solid, no-surprises 27-inch QHD gaming monitor that competes well against the segment's established favorites.
Corsair Xeneon Flex 45WQHD240
8.7 / 10 Expert Rating
A genuinely innovative ultrawide OLED monitor whose bendable design solves the flat-versus-curved tradeoff better than any competitor.