AOC U27B3A
Today
Previous check$190
Amazon: the cheapest today among the stores checked
5.7 out of 10 on the spec sheet +2.1
Buy on AmazonAOC U27B3A or MSI MP275PG?
MSI MP275PG costs $70 less today; AOC U27B3A has score 2.1 higher (5.7 vs. 3.6).
AOC U27B3A
5.7score · higher
MSI MP275PG
3.6score
AOC wins 2by componentMSI wins 2
- 9.0Image0.8
- 1.5Smoothness4.7
- 7.0Connections6.0
- 3.0Ergonomics7.0
AOC U27B3A is the cheaperMSI MP275PG is $70 the cheaper
The best for each use
By the spec rule for each use, the same one the lists on this site use.
Monitors for work and study
Only AOC U27B3A works: General use, 23″ to 27″.
Monitors for competitive gaming
Only MSI MP275PG works: 144 Hz or more and a stated 1 ms.
Monitors for casual gaming and console
Only MSI MP275PG works: 120 Hz or more, 25″ to 32″.
Monitors for creative work (photo and video)
Only AOC U27B3A works: QHD or 4K with an IPS or OLED panel.
Monitors for creative work (photo and video)Up to $300On sale
Cheap monitors worth buying
Only MSI MP275PG works: Full HD with 100 Hz or more.
Neither one fits: Monitors to use two on the desk.
The comparison in detail
Score by component, side by side
AOC U27B3A wins on image and connections; MSI MP275PG wins on smoothness and ergonomics.
- 9.0 (wins)Image0.8
- 1.5Smoothness4.7 (wins)
- 7.0 (wins)Connections6.0
- 3.0Ergonomics7.0 (wins)
MSI MP275PG
Today
Previous check$120
Amazon: the cheapest today among the stores checked
3.6 out of 10 on the spec sheet
Buy on AmazonAffiliate links: if you buy, the store pays us a commission at no cost to you.
Where is each one cheapest today?
Updated 12/11/2026
AOC U27B3A
- Amazon Lowest price$190Buy on Amazon
MSI MP275PG
- Amazon Lowest price$120Buy on Amazon
The math the store doesn’t do
Price divided by size and running cost, side by side.
| Math | AOC U27B3A | MSI MP275PG |
|---|---|---|
| Price per inch | $7.04 | $4.44 menor |
Spec sheet side by side
| Item | AOC U27B3A | MSI MP275PG |
|---|---|---|
| Screen | ||
| Type changes | General use and office | Gaming (144 Hz or more) |
| Size | 27 ″ | 27 ″ |
| Resolution changes | 4K | Full HD |
| Pixel density changes | 163 ppi | 82 ppi |
| Panel changes | IPS | not listed |
| Aspect ratio | 16:9 | 16:9 |
| Curved screen changes | No | not listed |
| Stated HDR changes | HDR | not listed |
| Smoothness | ||
| Refresh rate changes | 60 Hz | 144 Hz |
| Response time (stated) changes | 4 ms | 1 ms |
| Response time measurement changes | MPRT | not listed |
| Sync changes | Adaptive-Sync | not listed |
| Connections | ||
| HDMI ports changes | 2 | 1 |
| DisplayPort ports | 1 | 1 |
| Built-in speaker | Yes | Yes |
| Ergonomics | ||
| Height adjustment changes | not listed | Yes |
| VESA mount holes | Yes | Yes |
| General | ||
| Model code changes | U27B3A | MP275PG |
Other comparisons
AOC U27B3A orAOC Q27G3XMN$300 · score 5.0Compare
MSI MP275PG orAsus VA249HG$119 · score 3.4Compare
AOC U27B3A orAsus VA27EHF2$124 · score 4.7Compare
MSI MP275PG orMSI MP251W$149 · score 5.1Compare
AOC U27B3A orDell P2725D$279 · score 5.5Compare
MSI MP275PG orPhilips 221V8LB$65 · score 3.1Compare
See more 6 comparisons
- AOC U27B3A or Dell SE2726H$120 · score 3.9
- AOC U27B3A or Dell SE2726HG$120 · score 3.7
- AOC U27B3A or LG 27G640A$300 · score 4.9
- AOC U27B3A or LG 27U411A$120 · score 3.9
- AOC U27B3A or MSI MP272LE$120 · score 4.7
- AOC U27B3A or MSI MP273L$123 · score 2.8
How we choose
Source: Amazon.com catalog, checked on 12/11/2026.
Lowest price seen for the product on Amazon.com, shipped to New York 10001, on the day it was read, before sales tax. The model is the brand plus the name of the monitor; the versions go in the table. The price range, the median and the position use only models with a score; the price comparison looks at models whose score is within 0.5 points.
The spec score doesn’t measure the real calibration or durability, and the strong or weak point reading is just a comparison of numbers, not a buying recommendation.