LG TRUEBLACK400
Today
Previous check$335
Amazon: the cheapest today among the stores checked
5.2 out of 10 on the spec sheet +0.9
Buy on AmazonLG TRUEBLACK400 or LG TRUEBLACK500?
TRUEBLACK400 costs $215 less today and also has score 0.9 higher (5.2 vs. 4.3).
LG TRUEBLACK400
5.2score · higher
LG TRUEBLACK500
4.3score
LG TRUEBLACK400 wins 2by componentLG TRUEBLACK500 wins 0
- 3.6Image2.6
- 8.5Smoothness8.5
- 5.0Connections2.0
- 3.0Ergonomics3.0
LG TRUEBLACK400 is $215 the cheaperLG TRUEBLACK500 is 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 casual gaming and console
Both work. LG TRUEBLACK400 is $215 cheaper.
Neither one fits: Monitors for work and study, Monitors for competitive gaming, Monitors for creative work (photo and video), Monitors to use two on the desk, Cheap monitors worth buying.
The comparison in detail
Score by component, side by side
TRUEBLACK400 wins on image and connections.
- 3.6 (wins)Image2.6
- 8.5Smoothness8.5
- 5.0 (wins)Connections2.0
- 3.0Ergonomics3.0
LG TRUEBLACK500
Today
Previous check$550
Amazon: the cheapest today among the stores checked
4.3 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
TRUEBLACK400
- Amazon Lowest price$335Buy on Amazon
TRUEBLACK500
- Amazon Lowest price$550Buy on Amazon
The math the store doesn’t do
Price divided by size and running cost, side by side.
| Math | TRUEBLACK400 | TRUEBLACK500 |
|---|---|---|
| Price per inch | $12.40 menor | $20.37 |
Spec sheet side by side
| Item | TRUEBLACK400 | TRUEBLACK500 |
|---|---|---|
| Screen | ||
| Type | Gaming (144 Hz or more) | Gaming (144 Hz or more) |
| Size | 27 ″ | 27 ″ |
| Resolution | QHD | QHD |
| Pixel density | 109 ppi | 109 ppi |
| Aspect ratio | 16:9 | 16:9 |
| Stated HDR changes | HDR | not listed |
| Line | UltraGear | UltraGear |
| Smoothness | ||
| Refresh rate changes | 240 Hz | 280 Hz |
| Response time (stated) | 3 ms | 3 ms |
| Sync | G-Sync | G-Sync |
| Connections | ||
| HDMI ports | 1 | 1 |
| DisplayPort ports changes | 1 | not listed |
| Ergonomics | ||
| VESA mount holes | Yes | Yes |
| General | ||
| Model code changes | TRUEBLACK400 | TRUEBLACK500 |
Other comparisons
TRUEBLACK500 orAsus XG27AQWMG$620 · score 4.8Compare
TRUEBLACK400 orBenQ EX271U$370 · score 6.1Compare
TRUEBLACK500 orAmzfast 2.0$570 · score 5.0Compare
TRUEBLACK400 orMSI 346CQRF$374 · score 5.2Compare
TRUEBLACK500 orKoorui E2212H$70 · score 3.9Compare
TRUEBLACK400 orSceptre FWT240$100 · score 3.9Compare
See more 1 comparison
- TRUEBLACK500 or MSI 274URDFW$489 · score 6.5
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.