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Acer Predator XB273U vs LG UltraGear 45GR95QE-B: Comparison
Acer Predator XB273U vs LG UltraGear 45GR95QE-B: the refresh rate difference
Refresh rate is where these two genuinely part company, Acer Predator XB273U 165 Hz against LG UltraGear 45GR95QE-B 240 Hz, a 31% lead for LG UltraGear 45GR95QE-B. LG UltraGear 45GR95QE-B also leads on max refresh rate, 165 Hz on the Acer Predator XB273U versus 240 Hz on the LG UltraGear 45GR95QE-B. Screen size runs the same way, 27 in on the Acer Predator XB273U versus 45 in on the LG UltraGear 45GR95QE-B, another win for LG UltraGear 45GR95QE-B. They differ on hdr formats too, HDR10 on the Acer Predator XB273U versus VESA DisplayHDR True Black 400 on the LG UltraGear 45GR95QE-B.
Who each one is for
The Acer Predator XB273U suits 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 LG UltraGear 45GR95QE-B is the one to take for sim racing and flight sim enthusiasts wanting wraparound FOV and high-end gaming rigs paired with a top-tier GPU, though it is not the pick for small-desk setups without adequate viewing distance and productivity users who need flat edges for spreadsheet alignment. 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 LG UltraGear 45GR95QE-B (9/10): the best pure-immersion ultrawide gaming monitor on the market for sim and open-world fans who can afford it.
Frequently asked questions
Do the Acer Predator XB273U and LG UltraGear 45GR95QE-B differ on resolution?
Yes. Resolution reads 2560 x 1440 on the Acer Predator XB273U versus 3440 x 1440 on the LG UltraGear 45GR95QE-B.
Is the HDR Support the same on the Acer Predator XB273U and LG UltraGear 45GR95QE-B?
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
- LG UltraGear 45GR95QE-B
- WOLED
Brand
- Acer Predator XB273U
- Acer
- LG UltraGear 45GR95QE-B
- LG
Model Number
- Acer Predator XB273U
- XB273U GS
- LG UltraGear 45GR95QE-B
- 45GR95QE-B
Screen Size
- Acer Predator XB273U
- 27 in-40%
- LG UltraGear 45GR95QE-B
- 45 inBest
Resolution
- Acer Predator XB273U
- 2560 x 1440 (QHD)
- LG UltraGear 45GR95QE-B
- 3440 x 1440 (UWQHD)
Aspect Ratio
- Acer Predator XB273U
- 16:9
- LG UltraGear 45GR95QE-B
- 21:9
Refresh Rate
- Acer Predator XB273U
- 165 Hz-31%
- LG UltraGear 45GR95QE-B
- 240 HzBest
Response Time
- Acer Predator XB273U
- 1 ms
- LG UltraGear 45GR95QE-B
- 0.03ms (GtG)Best
Adaptive Sync
- Acer Predator XB273U
- NVIDIA G-Sync Compatible
- LG UltraGear 45GR95QE-B
- NVIDIA G-Sync, AMD FreeSync Premium Pro
HDR Support
- Acer Predator XB273U
- Yes
- LG UltraGear 45GR95QE-B
- Yes
Curved
- Acer Predator XB273U
- No
- LG UltraGear 45GR95QE-B
- Yes
Native Resolution
- Acer Predator XB273U
- 2560x1440
- LG UltraGear 45GR95QE-B
- 3440x1440
Screen Curvature
- Acer Predator XB273U
- Flat
- LG UltraGear 45GR95QE-B
- 800R
Max Refresh Rate
- Acer Predator XB273U
- 165 Hz-31%
- LG UltraGear 45GR95QE-B
- 240 HzBest
HDR Certification
- Acer Predator XB273U
- DisplayHDR 400
- LG UltraGear 45GR95QE-B
- DisplayHDR True Black 400
DCI-P3 Coverage
- Acer Predator XB273U
- 95 %
- LG UltraGear 45GR95QE-B
- 98.5 %
Series
- Acer Predator XB273U
- Predator XB273U
- LG UltraGear 45GR95QE-B
- UltraGear
Color Gamut
- Acer Predator XB273U
- 95% DCI-P3
- LG UltraGear 45GR95QE-B
- 98.5% DCI-P3
HDR Formats
- Acer Predator XB273U
- HDR10
- LG UltraGear 45GR95QE-B
- VESA DisplayHDR True Black 400
Which one should you pick?
Choose Acer Predator XB273U if you already have it on hand or find it at a lower price.
Choose LG UltraGear 45GR95QE-B 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 (0.03ms (GtG) 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.
LG UltraGear 45GR95QE-B
9 / 10 Expert Rating
The best pure-immersion ultrawide gaming monitor on the market for sim and open-world fans who can afford it.