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Monitor Radar

Updated Nov 6, 2026

Updated today

AOC Q27G2S or LG 27UP650K?

  • Cheapest today27UP650K$5 less
  • Higher spec sheet score27UP650K4.0 vs. 3.9

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Score by component, side by side

AOC Q27G2S wins on smoothness and ergonomics; 27UP650K wins on image.

  • 2.6Image6.0 (wins)
  • 5.8 (wins)Smoothness1.0
  • N/AConnections5.0
  • 4.0 (wins)Ergonomics3.0

Both prices over the last 30 days

First data point for one of the two: the chart appears as the days go by.

Still only a few days of data for both to read the trend; the chart fills in as the days go by.

Where is each one cheapest today?

Updated 06/11/2026

AOC Q27G2S
27UP650K

The math the store doesn’t do

Price divided by size and running cost, side by side.

MathAOC Q27G2S27UP650K
Price per inch$10.00$9.81 menor

Ficha técnica lado a lado

ItemAOC Q27G2S27UP650K
Screen
Type changesGaming (144 Hz or more)General use and office
Size27 ″27 ″
Resolution changesQHD4K
Pixel density changes109 ppi163 ppi
Aspect ratio16:916:9
Line changesnot listedUltraFine
Smoothness
Refresh rate changes165 Hz60 Hz
Response time (stated) changes1 ms5 ms
Sync changesG-SYNCnot listed
Connections
HDMI ports changesnot listed1
DisplayPort ports changesnot listed1
Ergonomics
Height adjustment changesYesnot listed
Pivot (portrait mode) changesnot listedYes
General
Model code changesQ27G2S27UP650K
How we choose

Source: Amazon.com catalog, checked on 06/11/2026.

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.