ASUS PA27UCGE Review: Built-In Calibration at £749, With Caveats

ASUS has packed a motorized, built-in colorimeter and full hardware calibration into the ProArt Display PA27UCGE — a 27-inch 4K IPS monitor carrying an RRP of £749, and often discounted below that. Digital Camera World's lab review, led by Imaging Labs manager Ben Andrews, calls it one of the most cost-effective monitors with fully automated calibration on the market. For photo businesses, the pitch is simple: consistent color accuracy without buying or handling an aftermarket calibrator.

The headline specs: 3840 x 2160 resolution at 163 ppi, 10-bit panel depth, 98% DCI-P3 claimed coverage, 100% sRGB, 600 nits rated brightness, VESA DisplayHDR 600 certification, and a 160Hz refresh rate. ASUS claims factory calibration to Delta-E <1 (a tighter color-deviation tolerance than the <2 most "color-accurate" monitors ship with). Hardware calibration stores the color look-up table in the monitor itself, so color output stays stable across different connected computers.

What do the lab numbers actually show?

Here the marketing takes some hits. The reviewer measured 93% DCI-P3 coverage, not the claimed 98%, despite adjusting settings and testing multiple profiles. Adobe RGB — unquoted by ASUS — came in at 87%, which the review calls only average for the class. Print photographers working in Adobe RGB have better options elsewhere.

Other measurements flatter the monitor. Peak brightness recorded 881 nits against a 600-nit rating; the reviewer wrote that max brightness required sunglasses and that a setting of 100 on the 0-400 scale sufficed for normal editing. Color accuracy on the review sample measured a Delta-E of 0.55 — better than ASUS's own claim, and among the most accurate displays the reviewer has tested.

Brightness uniformity is the weak spot: an 18% difference between the brightest and dimmest screen regions at any brightness level, though not visible to the naked eye. The built-in Uniformity Compensation mode cuts that to 9%, at the cost of contrast dropping from 1000:1 to 620:1. Color uniformity at full brightness measured a Delta-E deviation of 4.5 between screen segments, improving to 3 at 50% brightness.

How does the calibration actually work?

The motorized colorimeter flips up from a small protrusion on the bottom bezel — a neater implementation than BenQ's PD2770U, which hides its sensor in a thick top bezel. Calibration runs via ASUS's ProArt Calibration software or the on-screen interface, and can be scheduled outside working hours.

It needs the schedule. Calibrating a single gamut, DCI-P3, took over 30 minutes with multiple monitor restarts; additional gamuts take longer. Unlike Eizo's system, which uses only a portion of the screen so you can keep working, ASUS calibration is full-screen. The optional 30-minute warmup disables all controls — the only way out mid-process is pulling the power cord. Schedule it overnight and none of this matters.

What else do you get?

• USB-C single-cable connection with up to 96W Power Delivery, plus a hub with two USB-A ports at 5 Gbps and a downstream USB-C port
• Two HDMI inputs and DisplayPort, with Picture-by-Picture and Picture-in-Picture modes — each input can display a different color gamut
• A built-in KVM to control two computers with one keyboard and mouse
• A bundled shading hood
• ASUS's LuxPixel anti-glare coating, claimed to cut reflections without sacrificing saturation or sharpness

Build quality is function-over-form ProArt standard: slim bezels, a full height/swivel-adjust stand, though the plastic-finished base feels less premium. The brightness slider's overly fine 0-400 scale makes adjustment slower than it should be. The 2x2W speakers are, in the reviewer's words, best used as a last resort.

The verdict

For studios and freelancers whose revenue depends on color-critical delivery, the PA27UCGE removes both the cost of a separate calibrator and the discipline of running it manually. The compromises — a slower calibration process, average Adobe RGB coverage, and middling uniformity figures — are real but, at this price, tolerable. If your workflow leans on DCI-P3 or HDR video rather than wide-gamut print work, it's a compelling buy; expect automated calibration to become standard at this price point as rivals respond.