LG UltraGear 32GX870A
31.5" OLED · 3840× 2160 · 140 PPI
Optimal Viewing Distance
62cm
Retina distance: 62.4cm / 24.6in
Too Close
< 19cm
Perfect Zone
62cm
Good Zone
94cm
Acceptable Zone
1.6m
Too Far
2.5m
62cm Perfect Zone
Retina quality — pixels are invisible at this distance.
94cm Good Zone
Sharp image — slightly past the ideal distance but still excellent.
1.6m Acceptable Zone
The screen appears smaller — you're starting to miss fine details.
2.5m Too Far
You're not using your screen's full resolution. Move closer.
Specifications
| Brand | LG |
|---|---|
| Model | UltraGear 32GX870A |
| Screen Size | 31.5" |
| Resolution | 3840×2160 |
| Panel | OLED |
| Refresh Rate | 240 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro |
| Response Time | 0.0 ms GTG |
| HDR Certification | DisplayHDR True Black 400 |
| SDR Brightness | 275 nits |
| HDR Peak Brightness | 1300 nits |
| Contrast Ratio | 1:1,500,000 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 98.5% |
| Viewing Angle | 178° — Excellent |
| Pixel Density (PPI) | 140 |
| Aspect Ratio | 16:9 |
| Year | 2025 |
Category Ranking
Pixel Density (PPI)
#30 / 67in category
93 PPI140 PPI224 PPI
HDR Peak Brightness
#3 / 67in category
250 nits1300 nits2000 nits
DCI-P3 Color Gamut
#30 / 63in category
79%98.5%100%
Refresh Rate240 Hz
StandardHighUltra
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Frequently Asked Questions
What is the optimal viewing distance for the LG UltraGear 32GX870A?
The optimal viewing distance for the LG UltraGear 32GX870A (31.5") is approximately 62cm. At this distance, individual pixels become invisible to the human eye.
What is the PPI of the LG UltraGear 32GX870A?
The LG UltraGear 32GX870A has a pixel density of 140 PPI (pixels per inch) with a 3840×2160 resolution on a 31.5" display.
Is the LG UltraGear 32GX870A good for desktop work?
With 140 PPI and a 31.5" OLED display, the LG UltraGear 32GX870A is very good for desktop work when viewed from the recommended distance of 62cm.
Methodology & Sources
Formula: Retina distance (cm) = 3438 / PPI. Displayed values are rounded for readability.
Sources: Official manufacturer spec sheets and product pages. Specs are normalized before comparisons.
Last updated:
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