The agon ag273qz with features overlayed on the screen

AOC have announced the new AGON AG273QZ 2560×1440 monitor.  As well as an extremely high 240Hz refresh rate, AOC’s AG273QZ features AMD FreeSync Premium Pro technology.  According to AMD this means at least twice the perceived color volume as SDR.

An interesting feature of the AGON AG273QZ is that AOC are quoting a 0.5ms “MPRT” response time. MPRT, or Moving Picture Response Time, represents how long an unchanged pixel is visible for and according to Blur Busters is actually more important than the typically quoted GtG or “Grey-to-Grey” response time. MPRT is normally equal to the time between frames which for 240Hz would still be 4.17ms. AOC must be doing something fancy to make sure pixels disappear faster, such as backlight strobing. If this is all it claims to be this isn’t just an extremely high refresh rate, but it should also have less blur than even competing 240Hz displays.

AOC AGON AG273QZ Specs and Features

Panel Size 27” (68.6cm)
Resolution 2560×1440 “Quad HD” (16:9)
Refresh Rate 240Hz
Variable Refresh Rate Yes, AMD Freesync Premium Pro
Response Time 0.5ms MPRT
Panel Type TN
Brightness 400 nits
Viewing Angle 170º/160º
Contrast (typical) 1000:1
Contrast (dynamic) 80,000,000:1
Backlight WLED (White LED)
Colour Gamut >100% sRGB, 93.7% AdobeRGB
Dynamic Range HDR400
Inputs HDMI 2.0 (x2), DisplayPort 1.4 (x2)
Audio 2x5W Speakers, 3.5mm headphone out, microphone
USB Hub USB 3.2 (5Gbps gen1x1), 4 ports
Power 52W on (energy class C), 0.5W off/standby
VESA Mount (FDMI) Yes, 75mmx75mm (MIS-D 75mm)
The AG273QZ's ports - power and USB on the left, display input on the right
One odd thing in this look at the ports is the VGA connector, which isn’t mentioned in the specs. VGA is a legacy port that doesn’t even support full 1440p at 60hz, but it doesn’t hurt to have the option. Legacy games consoles are easier to adapt to VGA than a modern port.

In addition to the standard specs AOC’s AGON AG273QZ features, with a certain inevitability, a ring of RGB LEDs on the back. The RGB is AOC’s Light FX and is controlled through the monitor’s own menu, featuring a variety of prebaked patterns or precise colour control.

A back left view showing the RGB ring, which circles the mount point for the stand.
There was a time when RGB LEDs on a monitor were joked about, but here we are.

In more practical features there’s extensive adjustment with the stock stand, headset holders on both sides and a carry handle on top of the stand. On top of this there’s a low blue light mode and AOC’s “Flicker-Free technology” to support long gaming sessions. AOC tell us these features are based on what gamers want, and influenced by their sponsorship of the G2 Esports team. AOC’s “Shadow Control” feature provides another aid, intelligently adjusting lighting levels to make sure detail is visible even in darker areas.


The AOC AGON AG273QZ is available from Amazon UK.  AOC have given us an RRP of £659 for the UK market, though at time of writing the list price on Amazon is £589.99 with a 1-2 month wait. Proper stock and wider availability can be expected soon.

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