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Acer Predator XB273U GX vs Corsair Xeneon Flex 45WQHD240: Comparison
Acer Predator XB273U GX vs Corsair Xeneon Flex 45WQHD240: the response time difference
Response time is where these two genuinely part company, Acer Predator XB273U GX 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 screen size, 27 in on the Acer Predator XB273U GX versus 45 in on the Corsair Xeneon Flex 45WQHD240. Max refresh rate runs the same way, 270 Hz on the Acer Predator XB273U GX versus 240 Hz on the Corsair Xeneon Flex 45WQHD240, another win for Acer Predator XB273U GX.
Acer Predator XB273U GX vs Corsair Xeneon Flex 45WQHD240: which one fits your build
The Acer Predator XB273U GX is the one to take for competitive players wanting to measure and tune system latency and NVIDIA Reflex-compatible GPU and peripheral owners, though it is the wrong buy for content creators needing wide color gamut and AMD GPU users who can't use Reflex Latency Analyzer. Buy the Corsair Xeneon Flex 45WQHD240 for 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 GX (8.3/10): A speed-focused esports monitor whose latency analyzer tooling stands out in a crowded 1440p gaming segment. 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 GX and Corsair Xeneon Flex 45WQHD240 differ on resolution?
Yes. Resolution reads 2560 x 1440 on the Acer Predator XB273U GX versus 3440 x 1440 on the Corsair Xeneon Flex 45WQHD240.
Is the HDR Support the same on the Acer Predator XB273U GX 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 GX
- IPS
- Corsair Xeneon Flex 45WQHD240
- WOLED
Brand
- Acer Predator XB273U GX
- Acer
- Corsair Xeneon Flex 45WQHD240
- Corsair
Model Number
- Acer Predator XB273U GX
- XB273U GX
- Corsair Xeneon Flex 45WQHD240
- 45WQHD240
Screen Size
- Acer Predator XB273U GX
- 27 in-40%
- Corsair Xeneon Flex 45WQHD240
- 45 inBest
Resolution
- Acer Predator XB273U GX
- 2560 x 1440 (QHD)
- Corsair Xeneon Flex 45WQHD240
- 3440 x 1440 (UWQHD)
Panel Technology
- Acer Predator XB273U GX
- IPS
- Corsair Xeneon Flex 45WQHD240
- WOLED
Aspect Ratio
- Acer Predator XB273U GX
- 16:9
- Corsair Xeneon Flex 45WQHD240
- 21:9
Refresh Rate
- Acer Predator XB273U GX
- 240 Hz
- Corsair Xeneon Flex 45WQHD240
- 240 Hz
Response Time
- Acer Predator XB273U GX
- 1 ms-3233%
- Corsair Xeneon Flex 45WQHD240
- 0.03 msBest
Adaptive Sync
- Acer Predator XB273U GX
- NVIDIA G-Sync Compatible
- Corsair Xeneon Flex 45WQHD240
- AMD FreeSync Premium, NVIDIA G-Sync Compatible
HDR Support
- Acer Predator XB273U GX
- Yes
- Corsair Xeneon Flex 45WQHD240
- Yes
Native Resolution
- Acer Predator XB273U GX
- 2560x1440
- Corsair Xeneon Flex 45WQHD240
- 3440x1440
Max Refresh Rate
- Acer Predator XB273U GX
- 270 HzBest
- Corsair Xeneon Flex 45WQHD240
- 240 Hz-11%
Response Time GtG
- Acer Predator XB273U GX
- 1 ms
- Corsair Xeneon Flex 45WQHD240
- 0.03 msBest
VRR Standard
- Acer Predator XB273U GX
- G-Sync Compatible
- Corsair Xeneon Flex 45WQHD240
- FreeSync Premium
Color Depth
- Acer Predator XB273U GX
- 8-bit + FRC
- Corsair Xeneon Flex 45WQHD240
- 10-bit
USB-C DP Alt Mode
- Acer Predator XB273U GX
- Yes
- Corsair Xeneon Flex 45WQHD240
- Yes
Series
- Acer Predator XB273U GX
- Predator
- Corsair Xeneon Flex 45WQHD240
- Xeneon Flex
Which one should you pick?
Choose Acer Predator XB273U GX if you want the higher refresh rate (240 Hz vs 240 Hz) and the higher max refresh rate (270 Hz vs 240 Hz).
Choose Corsair Xeneon Flex 45WQHD240 if you want the higher screen size (45 in vs 27 in) and the lower response time (0.03 ms vs 1 ms).
Verdict
Acer Predator XB273U GX
8.3 / 10 Expert Rating
A speed-focused esports monitor whose latency analyzer tooling stands out in a crowded 1440p gaming segment.
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.