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What we think
The PerfectRec monitor team Learn more
Updated April 12, 2024·
If you're a competitive gamer valuing the smoothest experience with very little ghosting, the AOC AG456UCZD, with its high refresh rate and excellent contrast, may be worth the premium price. It's also fit for HDR gaming and media consumption owing to its OLED panel. However, its larger screen and lower image clarity might not be the best for productivity tasks. The KTC M27T20, on the other hand, offers a balance of good gaming performance, high contrast for deep blacks, and vibrant colors for photo editing at a lower price. Its smaller size and better text clarity make it suitable for general productivity and media watching as well. 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
- Best in class contrast
- Best in class response time
Advantages of the KTC M27T20 (VA MiniLED)
- Good for productivity
- Very good for media consumption
- Good text clarity
- Good image clarity
- Good brightness
- Very good color volume
Key differences
Productivity
3.8
7.1
3440 x 1440
RESOLUTION
2560 x 1440
83 PPI
PIXELS PER INCH
109 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The KTC M27T20 (VA MiniLED) is good for productivity, while the AOC AG456UCZD (W-OLED) is poor.
Media Consumption
5.9
8.6
3440 x 1440
RESOLUTION
2560 x 1440
Inf:1
NATIVE CONTRAST
4000:1
200 nits
SDR PEAK BRIGHTNESS
500 nits
Unknown
HDR PEAK BRIGHTNESS
1200 nits
Matte
COATING
Matte
The KTC M27T20 (VA MiniLED) is very good for media consumption, while the AOC AG456UCZD (W-OLED) is poor.
Cost
$1,400
$500
$0
$500
$1,000
$1,500
$2,000
$2,500
The AOC AG456UCZD (W-OLED) has a price of $1,400 and the KTC M27T20 (VA MiniLED) costs $500.
Digital Photo Editing
Yes
No
The AOC AG456UCZD (W-OLED) is suitable for digital photo editing while the KTC M27T20 (VA MiniLED) is not suitable for digital photo editing.
Key similarities
Casual Gaming
9.6
9.5
3440 x 1440
RESOLUTION
2560 x 1440
240Hz
REFRESH RATE
165Hz
Inf:1
NATIVE CONTRAST
4000:1
200 nits
SDR PEAK BRIGHTNESS
500 nits
Unknown
HDR PEAK BRIGHTNESS
1200 nits
98.5 %
DCI-P3 COLOR GAMUT
93.0 %
Matte
COATING
Matte
The AOC AG456UCZD (W-OLED) and KTC M27T20 (VA MiniLED) are both best in class for casual gaming.
Competitive Gaming
6.0
6.1
240Hz
REFRESH RATE
165Hz
0.0 ms
TOTAL RESPONSE TIME
3.0 ms
48 - 240 Hz
VARIABLE REFRESH RATE
48 - 165 Hz
No
STROBING / BFI
No
200 nits
SDR PEAK BRIGHTNESS
500 nits
The KTC M27T20 (VA MiniLED) and AOC AG456UCZD (W-OLED) are both only fair for competitive gaming.
HDR Gaming and Media Consumption
Yes
Yes
Both the AOC AG456UCZD (W-OLED) and KTC M27T20 (VA MiniLED) are suitable for HDR gaming and media consumption.
HDR Video Editing and Color Grading
No
No
Both the AOC AG456UCZD (W-OLED) and KTC M27T20 (VA MiniLED) are not suitable for HDR video editing and color grading.
Print Photo Editing
Yes
Yes
Both the AOC AG456UCZD (W-OLED) and KTC M27T20 (VA MiniLED) are suitable for print photo editing.
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We’re constantly working to improve.
How the AOC AG456UCZD (W-OLED) and the KTC M27T20 (VA MiniLED) compare to other monitors
Spec Comparison
 |  | |
| AOC AG456UCZD (W-OLED) | KTC M27T20 (VA MiniLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,400 | $500 | ||
Screen Size | |||
Screen Size | 44.5" | 27" | |
Resolution | |||
Resolution | 3440 x 1440 | 2560 x 1440 | |
Screen Type | |||
Screen Type | OLED | MiniLED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | VA | |
Local Dimming Zones | |||
Local Dimming Zones | N/A | 576 | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 4000:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 200 nits | 500 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | 1200 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 100 % | 99 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.03 ms | 3 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 240 Hz | 48 - 165 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 7.1/10 | |
Ghosting Score | |||
Ghosting Score | 10/10 | 8.5/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 83 PPI | 109 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 3.8/10 | 7/10 | |
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 | 2 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 3 | 0 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Shopping
KTC M27T20 (VA MiniLED)
See more
Dig into reviews and images
Notebook Check
Allen Ngo | March 2024
"The KTC M27T20 brings mini-LED and HDR1000 features to much more affordable price levels than before. It cuts some corners, however, and the settings require a lot of tuning for optimal colors and black levels."
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About the monitor team
Joe Golden, Ph.D
CEO and Monitors Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
Jason Lew
Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
Chandradeep Chowdhury
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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