Unboxing | IIyama ProLite G2773HS-B1 LED 27″ Full HD 120 Hz

Unboxing | IIyama ProLite G2773HS-B1 LED 27″ Full HD 120 Hz

Prolite is going after gamers with a 27-inch, 120 Hz, Full HD monitor with a response time announced at just 1 ms. But is the ProLite G2773HS really all it’s cracked up to be? Let’s take a look!

Design and Build

The Iiyama ProLite G2773HS has a glossy black plastic casing with a simple design and some pretty basic hardware, including VGA, HDMI and DVI video entries. With an HDMI input and a pair of built-in 2.5-watt speakers, this monitor could easily be used as an occasional TV if you hook up a set-top-box or a digital TV tuner.

However, the DVI port is the most interesting connection of the three, as it’s the only socket on this monitor that can input a 1920 x 1080 pixel signal at 120 Hz.

Iiyama ProLite G2773HS review - DVI dual link

Note that you can’t just use any old DVI cable to hook up a PC to this monitor, though—you’ll need a DVI Dual Link cable, which has a full set of pins (see above).

Colours and Contrast

Out of the box with no settings altered, we didn’t even our colour sensor to see that flesh tones look more purple than pink on this monitor screen. The sensor merely confirmed that the G2773HS has several colour reproduction issues with its factory settings—colours are too cold, the colour brightness distribution needs adjusting (gamma 2.8), and colours aren’t reproduced accurately, with the average Delta E hitting 9.9 (it should be 3 or lower for accurate colours).

With results like this, we were rather daunted at the prospect of trying to set things right with custom settings. And after checking out all the pre-sets and settings available, then testing them in seemingly endless combinations, we still couldn’t manage to get the Delta E down under 3 without the help of a calibration profile.

Iiyama ProLite G2773HS review - colours before/after settings

At best, we got the Delta E down to 5.8 by going into the ‘User Colour’ menu and setting ‘Red’ to 100, ‘Green’ to 98 and ‘Blue’ to 73. Photo editors, graphic designers or anyone else who needs accurate colours may therefore not find what they’re looking for in this display.

We measured contrast at 860:1 for the ProLite G2773HS, which isn’t extraordinary, but it’s within average for computer monitors on the market right now.


So what about that 1 ms response time? Is this monitor really a gamer’s dream come true? First of all, you’ll have to go back into the menu if you want to get the best out of the G2773HS, and switch Overdrive from -2 to 0 (note that if you go any higher you could start seeing some reverse ghosting).

With these settings, we measured a ghosting time of 7 ms on average, which is up there with the best. This, with the smoothness brought by the 120 Hz refresh rate, makes this display a prime choice for demanding gamers. Note, however, that while the response time is advertised at 1 ms, we’ve already seen 2 ms TN screens do just as good a job.

Iiyama ProLite G2773HS review - responsiveness and ghosting
This graph shows the monitor’s ghosting time (in ms) with the AMA function on. Ghosting time measures the time it takes for the screen to totally remove an image. The faster the ghosting time, the smoother moving objects will look onscreen.

Last but not least, the input lag (not to be confused with ghosting) is negligible in this monitor. So with no real delay between your actions and their onscreen responses, you won’t be at a disadvantage in online multiplayer games.




  • Responsiveness
  • 120 Hz refresh rate (moving objects look smoother than with 60 Hz screens)


  • Inaccurate colours, even when you adjust the settings
  • Not 3D compatible


In spite of its slightly dodgy colours and relatively basic design, the Iiyama ProLite G2773HS will appeal to gamers just as much as the BenQ XL2420T—perhaps even more—thanks to its excellent responsiveness, low input lag and 120 HZ refresh rate for smooth results in fast-action scenes. You will, however, have to live without accurate colours and 3D gaming.

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