Color performance after a full software calibration
To be honest, you don’t need to calibrate the PG34WCDM. If you want sRGB, you can use the sRGB color space setting in the OSD and get color accuracy that is almost “overkill” for home use. However, for the sake of completeness, I have also forced a software calibration on this monitor.
OSD Setting D65 @ 200 Nits
Set the brightness in the OSD to 81 to achieve approx. 200 nits (100 percent white window). With the settings (see picture) you can improve the RGB balance a little more using the different gray levels (30, 80 and 100 percent). In my opinion, you can also leave the default setting at 6500K.
Gray Scale, Saturation and ColorChecker (OSD sRGB Color Space) full calibration with Calman Ultimate
ASUS PG34WCDM Calibrated
A slightly better gray scaling and even better DeltaE values. Here you can see that WOLED panels are better measured on small APLs. Which is also more realistic in the end, because who looks at all colors on 100 percent APL? Watching test patterns is supposed to be pretty boring. A photo that is only yellow is also said to be quite rare.
Spectral distribution and “Eye-Safe”
This topic is also said to cause headaches for some people, especially with OLED panels. In other words, most monitors are said to emit too much blue light into the environment in a supposedly harmful range between 415 and 455 nm. So let’s take a measurement.
Spectral distribution 200 Nits @ D65 100 % White Window
In terms of the spectral distribution of the LG OLED panel, the peak of the blue spectrum is at 456 nm. Unfortunately, I cannot say with certainty to what extent this can already be described as eye-safe. The fact is that the spectral distribution between blue, green and red is not as well differentiated as with a QD OLED panel. My Samsung OLED G8 for comparison:
Spectral distribution 170 Nits @ D65 100 % White Window
Uniformity
The PG34WCDM has very good picture uniformity, which has also improved significantly in the grayscale range. Topic: I didn’t notice any banding in various shades of gray. A real quantum leap compared to LG panels from last year!
Image errors and other issues
I could not find any weaknesses with either NVIDIA or AMD cards. I must point out that OLED VRR flickering can occur, especially in game menus. A frame limiter usually helps here. A lot has changed in terms of subpixel layout and text display. Although fraying can occur, the PG34WCDM is significantly better than the Corsair Xeneon Flex or the LG 45GR95QE due to the better pixel density. For my part, I can only notice the fringing when I enlarge the text considerably. For example, 410 percent in the browser, but see for yourself.
ASUS also has a nice “clear pixel edges” function in the OSD, which is supposed to improve text fingering. It helps a little, but you have to zoom in a lot to see the differences.
It didn’t bother me in any way during my daily work. If you really notice this now, you should wait until the new WOLED panels with RWGB layout arrive. Then the problem should basically disappear.
Sound reproduction
The PG34WCDM has no speakers, and it doesn’t really need them, because who uses them anyway? If you want to experience sound, most people use a sound system or proper headphones. The sound connections on the PG34WCDM (3.5 jack and Tos-Link) work. There’s nothing more to say.
Webcam and microphone
Are not installed. This brings us to the topic of HDR.
- 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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