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Monitor Radar

Updated 6 Nov, 2026

Updated today

AOC CQ27G4Z2AD or BenQ EX271U?

  • Cheapest todayCQ27G4Z2AD£295 less
  • Higher spec sheet scoreBenQ EX271U6.1 vs. 5.8

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Score by component, side by side

CQ27G4Z2AD wins on smoothness; BenQ EX271U wins on image and connections.

  • 4.1Image6.0 (wins)
  • 9.5 (wins)Smoothness5.8
  • 5.0Connections7.0 (wins)
  • 4.0ErgonomicsN/A

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

CQ27G4Z2AD
BenQ EX271U

The math the store doesn’t do

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

MathCQ27G4Z2ADBenQ EX271U
Price per inch£6.30 menor£17.22

Ficha técnica lado a lado

ItemCQ27G4Z2ADBenQ EX271U
Screen
TypeGaming (144 Hz or more)Gaming (144 Hz or more)
Size27 ″27 ″
Resolution changesQHD4K
Pixel density changes109 ppi163 ppi
Aspect ratio16:916:9
Curved screen changesYesnot listed
Stated HDR changesHDR400not listed
Line changesnot listedMobiuz
Smoothness
Refresh rate changes260 Hz165 Hz
Response time (stated)1 ms1 ms
Sync changesFreeSyncFreesync
Connections
HDMI ports11
DisplayPort ports11
USB-C changesnot listedYes
Ergonomics
Height adjustment changesYesnot listed
General
Model code changesCQ27G4Z2ADEX271U

Other comparisons

How we choose

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

Lowest price seen for the product on Amazon.co.uk, delivered to London SW1A 1AA, on the day it was read, including VAT. 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.