IPS vs IPS
AOC U27G4XM vs Alienware AW2725QF: Mini LED HDR or faster dual mode?
The AOC adds a 1,152-zone Mini LED backlight for real HDR; the Alienware has a faster 360Hz 1080p mode, a sturdier stand, and a 3-year warranty but no local dimming.
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Pick for HDR
AOC U27G4XM
Choose the AOC for bright Mini LED HDR and sharp 4K at a budget-class price.
Check price on AmazonPick for speed and build
Alienware AW2725QF
Choose the Alienware for the faster 360Hz mode, a sturdier stand, and predictable edge-lit behavior.
Check price on AmazonHDR
The U27G4XM has a 1,152-zone Mini LED backlight. Tom's Hardware measured over 1,100 nits in HDR and about 13,000:1 contrast with local dimming on Medium. The AW2725QF is edge-lit with DisplayHDR 600; Tom's Hardware called it bright but noted average SDR contrast, and it cannot dim zones for HDR.
Speed
Both run 4K at 160Hz to 180Hz. The Alienware's 1080p mode reaches 360Hz versus the AOC's 320Hz. Tom's Hardware praised the overdrive on both.
Build and ports
The Alienware has a solid stand, a USB hub with a front USB-C port, and a 3-year warranty. Tom's Hardware found some play in the AOC's stand, and it uses a button-driven menu; it has a USB hub with side ports but no USB-C.
Verdict
For HDR games and movies, the AOC is the clear pick. If you mostly play fast shooters in the 1080p mode and want a sturdier monitor, the Alienware fits better.
Side-by-side
| Attribute | IPSAOC U27G4XM A 27-inch 4K 160Hz IPS with a 1,152-zone Mini LED backlight and a 1080p 320Hz mode: the best overall IPS value we recommend. Check price on Amazon | IPSAlienware AW2725QF A 27-inch IPS that switches between 4K 180Hz and 1080p 360Hz at the press of a button, with sturdy build quality and a 3-year warranty. Check price on Amazon |
|---|---|---|
| At a glance | ||
| Choose this if… | ||
| Choose this if… | You want bright HDR, sharp text, and no burn-in worries on a budget. | You want sharp 4K for work and a fast 1080p mode for shooters, without Mini LED blooming. |
| Panel and motion | ||
| Panel family | ||
| Panel family | IPS | IPS |
| Panel subtype | ||
| Panel subtype | Fast IPS | Fast IPS |
| Motion technology | ||
| Motion technology | Unknown | None |
| Backlight | ||
| Backlight | Mini LED, 1,152 local dimming zones | Edge-lit LED (no local dimming zones documented) |
| Coating | ||
| Coating | Matte anti-glare | Matte anti-glare |
| Subpixel layout | ||
| Subpixel layout | RGB stripe (LCD) | RGB stripe (LCD) |
| Size and speed | ||
| Size | ||
| Size | 27″ (16:9) | 27″ (16:9) |
| Resolution | ||
| Resolution | 3840×2160 | 3840×2160 |
| Refresh rate | ||
| Refresh rate | 160Hz | 180Hz |
| Dual mode | ||
| Dual mode | 1920×1080 at 320Hz | 1920×1080 at 360Hz |
| Adaptive sync / VRR | ||
| Adaptive sync / VRR | Adaptive-Sync; listed as G-SYNC Compatible | Adaptive-Sync; listed as G-SYNC Compatible |
| Image and HDR | ||
| HDR (manufacturer) | ||
| HDR (manufacturer) | VESA DisplayHDR 1000 | VESA DisplayHDR 600; Dolby Vision |
| Independent measurements (not normalized) | ||
| Independent measurements (not normalized) |
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| Connectivity | ||
| DisplayPort | ||
| DisplayPort | 1x DisplayPort 1.4 with DSC | 1x DisplayPort 1.4 |
| HDMI | ||
| HDMI | 2x HDMI 2.1 with DSC | 2x HDMI 2.1 |
| USB-C | ||
| USB-C | None | Front USB-C port (data) |
| KVM | ||
| KVM | No | No |
| Console notes | ||
| Console notes | HDMI 2.1 for 4K 120Hz from PS5 and Xbox Series X|S (AOC markets console support; exact modes not independently verified here). | HDMI 2.1 for 4K 120Hz from current consoles (Dell markets console support; exact modes not independently verified here). |
| Ownership | ||
| Warranty | ||
| Warranty | Unknown (not verified for the US) | 3 years (per Tom's Hardware) |
| Burn-in coverage | ||
| Burn-in coverage | Not applicable (LCD) | Not applicable (LCD) |
| Stand | ||
| Stand | Height, tilt, swivel, and portrait rotation; Tom's Hardware noted some play in the fulcrum | Height (about 4.3 in), tilt, 20° swivel |
Scroll sideways to see every monitor. Measurements come from different outlets and methods, so compare them only within the same source.