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Monitor Radar

Updated Nov 6, 2026

Updated today

BenQ EX271U or LG TRUEBLACK400?

  • Cheapest todayBenQ EX271U$10 less
  • Higher spec sheet scoreBenQ EX271U6.1 vs. 5.2

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Score by component, side by side

BenQ EX271U wins on image and connections; TRUEBLACK400 wins on smoothness.

  • 6.0 (wins)Image3.6
  • 5.8Smoothness8.5 (wins)
  • 7.0 (wins)Connections5.0
  • N/AErgonomics3.0

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

BenQ EX271U
TRUEBLACK400

The math the store doesn’t do

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

MathBenQ EX271UTRUEBLACK400
Price per inch$13.70 menor$14.07

Ficha técnica lado a lado

ItemBenQ EX271UTRUEBLACK400
Screen
TypeGaming (144 Hz or more)Gaming (144 Hz or more)
Size27 ″27 ″
Resolution changes4KQHD
Pixel density changes163 ppi109 ppi
Aspect ratio16:916:9
Stated HDR changesnot listedHDR
Line changesMobiuzUltraGear
Smoothness
Refresh rate changes165 Hz240 Hz
Response time (stated) changes1 ms3 ms
Sync changesFreesyncG-Sync
Connections
HDMI ports11
DisplayPort ports11
USB-C changesYesnot listed
Ergonomics
VESA mount holes changesnot listedYes
General
Model code changesEX271UTRUEBLACK400

Other comparisons

See more 42 comparisons
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.