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What we think
The PerfectRec monitor team Learn more
Updated April 23, 2024·
If you prioritize a sharp, immersive gaming and media experience, the Gigabyte CO49DQ with its larger screen and higher resolution will excel, especially for HDR content, given its superior brightness and color gamut. On the other hand, if a faster refresh rate for smoother gameplay is more important and you engage in competitive gaming where response time is critical, the AOC AG456UCZD would be favorable. Keep in mind, though, the AOC may not be as strong for productivity tasks due to its lower text and image clarity. Both are premium monitors, so your decision should reflect the importance you place on visual quality versus gaming performance. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the AOC AG456UCZD (W-OLED)
- Very good refresh rate
Advantages of the Gigabyte CO49DQ (QD-OLED)
- Best in class for media consumption
- Best in class brightness
- Best in class color volume
Key differences
Competitive Gaming
6.0
5.5
240Hz
REFRESH RATE
144Hz
0.0 ms
TOTAL RESPONSE TIME
0.0 ms
48 - 240 Hz
VARIABLE REFRESH RATE
48 - 144 Hz
No
STROBING / BFI
No
200 nits
SDR PEAK BRIGHTNESS
1000 nits
The AOC AG456UCZD (W-OLED) is only fair for competitive gaming, while the Gigabyte CO49DQ (QD-OLED) is poor.
Productivity
3.8
5.8
3440 x 1440
RESOLUTION
5120 x 1440
83 PPI
PIXELS PER INCH
108 PPI
Yes
ADJUSTABLE STAND
No
Matte
COATING
Matte
The Gigabyte CO49DQ (QD-OLED) and AOC AG456UCZD (W-OLED) are both poor for productivity, though the Gigabyte CO49DQ (QD-OLED) is somewhat better.
Media Consumption
5.9
9.8
3440 x 1440
RESOLUTION
5120 x 1440
Inf:1
NATIVE CONTRAST
Inf:1
200 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Matte
The Gigabyte CO49DQ (QD-OLED) is best in class for media consumption, while the AOC AG456UCZD (W-OLED) is poor.
Cost
$1,400
$1,100
$0
$500
$1,000
$1,500
$2,000
$2,500
The AOC AG456UCZD (W-OLED) has a price of $1,400 and the Gigabyte CO49DQ (QD-OLED) costs $1,100.
HDR Video Editing and Color Grading
No
Yes
The AOC AG456UCZD (W-OLED) is not suitable for HDR video editing and color grading while the Gigabyte CO49DQ (QD-OLED) is suitable for HDR video editing and color grading.
Key similarities
Casual Gaming
9.6
9.9
3440 x 1440
RESOLUTION
5120 x 1440
240Hz
REFRESH RATE
144Hz
Inf:1
NATIVE CONTRAST
Inf:1
200 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
98.5 %
DCI-P3 COLOR GAMUT
99.0 %
Matte
COATING
Matte
The Gigabyte CO49DQ (QD-OLED) and AOC AG456UCZD (W-OLED) are both best in class for casual gaming.
HDR Gaming and Media Consumption
Yes
Yes
Both the AOC AG456UCZD (W-OLED) and Gigabyte CO49DQ (QD-OLED) are suitable for HDR gaming and media consumption.
Digital Photo Editing
Yes
Yes
Both the AOC AG456UCZD (W-OLED) and Gigabyte CO49DQ (QD-OLED) are suitable for digital photo editing.
Print Photo Editing
Yes
Yes
Both the AOC AG456UCZD (W-OLED) and Gigabyte CO49DQ (QD-OLED) are suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the AOC AG456UCZD (W-OLED) and the Gigabyte CO49DQ (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| AOC AG456UCZD (W-OLED) | Gigabyte CO49DQ (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,400 | $1,100 | ||
Screen Size | |||
Screen Size | 44.5" | 49" | |
Resolution | |||
Resolution | 3440 x 1440 | 5120 x 1440 | |
Screen Type | |||
Screen Type | OLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | QD-OLED | |
Refresh Rate | |||
Refresh Rate | 240Hz | 144Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 200 nits | 1000 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | Unknown | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 100 % | 153.1 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.03 ms | 0.03 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 240 Hz | 48 - 144 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 10/10 | 10/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 83 PPI | 108 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 3.8/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 4.9/10 | 7/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 0 | 0 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 3 | 2 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Give feedback
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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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Staff Expert & Software Engineer
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Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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