Author Topic: Acer EB321HQ Awi Review: Glossy* 1920x1080 IPS  (Read 1811 times)

NCX

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Ghosting/Overdrive Performance
« on: March 26, 2019, 07:51:40 pm »
Ghosting/Overdrive Performance

DSC_0884 by Dr NCX, on Flickr

Acer EB321HQ Overdrive Setting Comparisons

Acer EB321HQ Awi OD Normal VS Extreme by Dr NCX, on Flickr

^The above compilations are of photos of the Test UFO Ghosting Test on the monitors featured in the compilations.  The photos are slightly out of focus.  The transparent bright after image trailing the UFO in the OD Extreme photos is overshoot ghosting which appears in the form of transparent bright colored, black or white glow on color and shade transitions moving across the screen.  The OD Extreme setting is useless since it suffers from obvious overshoot ghosting.

The Acer is marginally slower than the fastest 60hz AHVA, IPS and PLS panels like the Acer XB321HK (>900$ 4K AHVA panel) and HP 25f (AH-IPS), but it is still fast enough for 60hz gaming and watching movies and TV shows.  The overdrive setting named OD is correctly preset to the Normal setting which provides a completely overshoot ghosting free gaming experience.  The slightly slower pixel response times cause some obvious color streaking, especially with yellows and white when quickly panning the camera in games, especially while viewing the white clouds in the Overwatch map Illios's light blue sky. 

Multi-Monitor Test UFO Ghost Test Comparison

Acer EB321HQ vs BenQ RL2460 vs HP 25f vs Samsung 43NU7100 by Dr NCX, on Flickr

The BenQ Zowie RL2460 is one of the fastest 60hz TN panels while the HP 25f is one of the fastest IPS type panels.  The Samsung uses a VA panel with very slow pixel response times, and uses a low frequency LED PWM Dimming frequency which increases motion blur significantly.  The trailing, faint, secondary UFO after image is a bit more pronounced since the Acer has slightly slower pixel response times than the HP which is slightly slower than the BenQ.  I call the type of ghosting the Acer, BenQ and HP suffer from streaking, and call the far more pronounced and darker trailing or after image the Samsung VA panel suffers from smearing.

The overdrive flaws are minor and will not negatively impact casual 60hz gaming, or people who do not want, or can't afford equally sized 75-144hz monitors.  The Acer has faster pixel response times and less motion blur than most low-mid range TV's which use slower VA panels with low frequency LED PWM Dimming or flickering back-lights which increase motion blur. 

« Last Edit: May 31, 2019, 03:47:59 am by NCX »