AOC C27G2Z
Today
Previous check$380
Amazon: the cheapest today among the stores checked
4.6 out of 10 on the spec sheet +0.1
Buy on AmazonAOC C27G2Z or LG 27UN850?
LG 27UN850 costs $20 less today; AOC C27G2Z has score 0.1 higher (4.6 vs. 4.5).
AOC C27G2Z
4.6score · higher
LG 27UN850
4.5score
AOC wins 2by componentLG wins 1
- 0.8Image6.0
- 10.0Smoothness·
- 5.0Connections2.0
- 4.0Ergonomics3.0
AOC C27G2Z is the cheaperLG 27UN850 is $20 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 LG 27UN850 works: General use, 23″ to 27″.
Monitors for competitive gaming
Only AOC C27G2Z works: 144 Hz or more and a stated 1 ms.
Monitors for casual gaming and console
Only AOC C27G2Z works: 120 Hz or more, 25″ to 32″.
Cheap monitors worth buying
Only AOC C27G2Z works: Full HD with 100 Hz or more.
Neither one fits: Monitors for creative work (photo and video), Monitors to use two on the desk.
The comparison in detail
Score by component, side by side
AOC C27G2Z wins on connections and ergonomics; LG 27UN850 wins on image.
- 0.8Image6.0 (wins)
- 10.0SmoothnessN/A
- 5.0 (wins)Connections2.0
- 4.0 (wins)Ergonomics3.0
LG 27UN850
Today
Previous check$360
Amazon: the cheapest today among the stores checked
4.5 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 C27G2Z
- Amazon Lowest price$380Buy on Amazon
LG 27UN850
- Amazon Lowest price$360Buy on Amazon
The math the store doesn’t do
Price divided by size and running cost, side by side.
| Math | AOC C27G2Z | LG 27UN850 |
|---|---|---|
| Price per inch | $14.07 | $13.33 menor |
Spec sheet side by side
| Item | AOC C27G2Z | LG 27UN850 |
|---|---|---|
| Screen | ||
| Type changes | Gaming (144 Hz or more) | General use and office |
| Size | 27 ″ | 27 ″ |
| Resolution changes | Full HD | 4K |
| Pixel density changes | 82 ppi | 163 ppi |
| Aspect ratio | 16:9 | 16:9 |
| Curved screen changes | Yes | not listed |
| Line changes | not listed | UltraFine |
| Smoothness | ||
| Refresh rate changes | 240 Hz | not listed |
| Response time (stated) changes | 0.5 ms | not listed |
| Sync changes | Freesync | FreeSync |
| Connections | ||
| HDMI ports changes | 1 | not listed |
| DisplayPort ports changes | 1 | not listed |
| USB-C changes | not listed | Yes |
| Ergonomics | ||
| Height adjustment changes | Yes | not listed |
| VESA mount holes changes | not listed | Yes |
| General | ||
| Model code changes | C27G2Z | 27UN850 |
Other comparisons
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.