Pixel response times vs. overshoot @ 60, 240 and 480 Hz refresh rate
As always, there are no surprises here. OLED is and remains the measure of all things in terms of pixel response times. The PG27AQDP can maintain the response times over the entire VRR and LCD monitors can’t even begin to offer that.
Unfortunately, I can’t record how good the motion clarity looks at 480 Hz on an OLED with my technology here, so I’ll show you the recordings from my colleague Tim Schiesser from Monitors Unboxed. If you want to take a look at Tim’s review, I’ve linked it below.
No LCD can keep up with this, not even the 540 Hz TN panel of the PG248QP. The text readability in particular is truly amazing. Without ULMB2, the PG248QP can’t see any land here, and of course we’ll also take a look at what it looks like with ULMB2.
With ULMB2, the motion clarity is somewhat better. But even here you have to do without VRR, HDR etc. In my opinion, the PG27AQDP is clearly superior here.
ELMB Black Frame Insertion (BFI)
So far, ASUS is the only monitor provider on the market to offer ELMB (BFI) on its OLED monitors. The whole thing only works at a fixed 240 or 120 Hz and you lose a little brightness and can no longer use HDR or VRR, but at least there is Motion Blur Reduction. Technically, the panel basically runs at 480 Hz and every second image is interposed as a black frame. This also applies to 240 Hz with BFI activated.
For me personally, the BFI functions are a nice feature to avoid the VRR flicker issue. Better to have than to need. Today we could see that an LCD can only keep up with ULMB2 or DyAc with OLED. Monitors like the PG248QP aren’t really cheap either and they also have their own disadvantages that TN panels have inherently: poor viewing angles, low contrast, no HDR, etc.
- 1 - Introduction, Features and Specs
- 2 - Workmanship and Details
- 3 - How we measure: Equipment and Methods
- 4 - Pixel Response Times
- 5 - Display Latencies
- 6 - Color-Performance @ Default Settings
- 7 - Direct Comparison and Power Consumption
- 8 - Color-Performance calibrated
- 9 - HDR-Performance
- 10 - Summary and Conclusion
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