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Acer Predator XB273U vs Dell S2721DGF: Comparison
Acer Predator XB273U vs Dell S2721DGF response time compared
Response time is the dividing line, Acer Predator XB273U 1 ms against Dell S2721DGF 1ms. They differ on hdr formats too, HDR10 on the Acer Predator XB273U versus VESA DisplayHDR 400 on the Dell S2721DGF. They differ on adaptive sync too, NVIDIA G-Sync Compatible on the Acer Predator XB273U versus AMD FreeSync Premium Pro, G-Sync Compatible on the Dell S2721DGF. There is a split on dci-p3 coverage as well, 95 % on the Acer Predator XB273U versus 98 % on the Dell S2721DGF. They differ on built-in speakers too, Yes on the Acer Predator XB273U versus No on the Dell S2721DGF. There is a split on color gamut as well, 95% DCI-P3 on the Acer Predator XB273U versus 98% DCI-P3 on the Dell S2721DGF.
Who each one is for
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 Dell S2721DGF is the one to take for buyers who want accurate colors without extra calibration and gamers who value warranty support, though it is not built for buyers wanting aggressive gaming aesthetics and anyone chasing real HDR contrast. 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 Dell S2721DGF (8.5/10): A quietly excellent all-rounder gaming monitor backed by an industry-leading warranty.
Where the two are identical
Everything else lines up. Resolution, native resolution, refresh rate, panel type and screen size read the same on both, so those are not worth weighing. They match on 6 further specifications as well.
Frequently asked questions
Is the HDR Support the same on the Acer Predator XB273U and Dell S2721DGF?
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
- Dell S2721DGF
- IPS
Brand
- Acer Predator XB273U
- Acer
- Dell S2721DGF
- Dell
Model Number
- Acer Predator XB273U
- XB273U GS
- Dell S2721DGF
- S2721DGF
Screen Size
- Acer Predator XB273U
- 27 in
- Dell S2721DGF
- 27 in
Resolution
- Acer Predator XB273U
- 2560 x 1440 (QHD)
- Dell S2721DGF
- 2560 x 1440 (QHD)
Panel Technology
- Acer Predator XB273U
- IPS
- Dell S2721DGF
- IPS
Aspect Ratio
- Acer Predator XB273U
- 16:9
- Dell S2721DGF
- 16:9
Refresh Rate
- Acer Predator XB273U
- 165 Hz
- Dell S2721DGF
- 165 Hz
Response Time
- Acer Predator XB273U
- 1 ms
- Dell S2721DGF
- 1ms (GTG)
Adaptive Sync
- Acer Predator XB273U
- NVIDIA G-Sync Compatible
- Dell S2721DGF
- AMD FreeSync Premium Pro, G-Sync Compatible
HDR Support
- Acer Predator XB273U
- Yes
- Dell S2721DGF
- Yes
Native Resolution
- Acer Predator XB273U
- 2560x1440
- Dell S2721DGF
- 2560x1440
Screen Curvature
- Acer Predator XB273U
- Flat
- Dell S2721DGF
- Flat
HDR Certification
- Acer Predator XB273U
- DisplayHDR 400
- Dell S2721DGF
- DisplayHDR 400
DCI-P3 Coverage
- Acer Predator XB273U
- 95 %
- Dell S2721DGF
- 98 %
VESA Mount Pattern
- Acer Predator XB273U
- 100x100
- Dell S2721DGF
- 100x100
Built-in Speakers
- Acer Predator XB273U
- Yes
- Dell S2721DGF
- No
Series
- Acer Predator XB273U
- Predator XB273U
- Dell S2721DGF
- Dell Gaming S2721DGF
Color Gamut
- Acer Predator XB273U
- 95% DCI-P3
- Dell S2721DGF
- 98% DCI-P3
HDR Formats
- Acer Predator XB273U
- HDR10
- Dell S2721DGF
- VESA DisplayHDR 400
Which one should you pick?
Choose Acer Predator XB273U if you want the higher screen size (27 in vs 27 in) and the higher refresh rate (165 Hz vs 165 Hz).
Choose Dell S2721DGF if you already have it on hand or find it at a lower price.
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.
Dell S2721DGF
8.5 / 10 Expert Rating
A quietly excellent all-rounder gaming monitor backed by an industry-leading warranty.




