LG UltraGear 45GX950A 45" vs Samsung Odyssey OLED G8 G80SD 32"
Side-by-side comparison of viewing distance, PPI, and specifications
LG UltraGear 45GX950A 45"
44.5" · 5120×2160 · OLED
Optimal Viewing Distance 70cm
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Samsung Odyssey OLED G8 G80SD 32"
31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
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Category Ranking
Pixel Density (PPI)67in category
LG UltraGear 45GX950A 45"125 PPI #44
Samsung Odyssey OLED G8 G80SD 32"140 PPI #30
93 PPI224 PPI
HDR Peak Brightness67in category
LG UltraGear 45GX950A 45"1300 nits #3
Samsung Odyssey OLED G8 G80SD 32"1000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
LG UltraGear 45GX950A 45"98% #31
Samsung Odyssey OLED G8 G80SD 32"99% #2
79%100%
Refresh Rate
LG UltraGear 45GX950A 45"165 Hz
Samsung Odyssey OLED G8 G80SD 32"240 Hz
StandardHighUltra
Summary
- Sharpness: advantage Samsung Odyssey OLED G8 G80SD 32" — At 65cm, the Samsung Odyssey OLED G8 G80SD 32" is retina (140 PPI) while the LG UltraGear 45GX950A 45" is not — you need to sit at least 70cm away for pixel-free viewing.
- Brightness: advantage LG UltraGear 45GX950A 45" — Similar SDR brightness (275 vs 250 nits), but the LG UltraGear 45GX950A 45" leads in HDR peak (1300 vs 1000 nits).
Key Differences
| Specification | LG UltraGear 45GX950A 45" | Samsung Odyssey OLED G8 G80SD 32" |
|---|---|---|
| Screen Size | 44.5" | 31.5" |
| Resolution | 5120×2160 | 3840×2160 |
| SDR Brightness | 275 nits | 250 nits |
| HDR Peak Brightness | 1300 nits | 1000 nits |
| Contrast Ratio | 1:1,500,000 | 1:1,000,000 |
| Year | 2025 | 2024 |
| Pixel Density (PPI) | 125 | 140 |
| Optimal Viewing Distance | 70cm | 62cm |
| Refresh Rate | 165 Hz | 240 Hz |
| Color Gamut | sRGB 100% · DCI-P3 98% · Adobe RGB 94% | sRGB 100% · DCI-P3 99% · Adobe RGB 98% |
All specifications
| Specification | LG UltraGear 45GX950A 45" 2025 | Samsung Odyssey OLED G8 G80SD 32" 2024 |
|---|---|---|
| Screen Size | 44.5" (Better) | 31.5" |
| Resolution | 5120×2160 (Better) | 3840×2160 |
| Pixel Density (PPI) | 125 | 140 (Better) |
| Optimal Viewing Distance | 70cm | 62cm (Better) |
| Panel Type | OLED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 165 Hz | 240 Hz (Better) |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync Premium Pro |
| Response Time | 0.0 ms GTG | 0.0 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | DisplayHDR True Black 400 |
| SDR Brightness | 275 nits (Better) | 250 nits |
| HDR Peak Brightness | 1300 nits (Better) | 1000 nits |
| Contrast Ratio | 1:1,500,000 (Better) | 1:1,000,000 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB Hub |
| USB-C Power Delivery | 90 W | — |
| Color Gamut | sRGB 100% · DCI-P3 98% · Adobe RGB 94% | sRGB 100% · DCI-P3 99% · Adobe RGB 98% (Better) |
| Year | 2025 (Better) | 2024 |
Frequently Asked Questions
Which has better PPI: LG UltraGear 45GX950A 45" or Samsung Odyssey OLED G8 G80SD 32"?
The Samsung Odyssey OLED G8 G80SD 32" has 140 PPI compared to 125 PPI for the LG UltraGear 45GX950A 45".
Which has a closer optimal viewing distance?
The Samsung Odyssey OLED G8 G80SD 32" requires 62cm vs 70cm for the LG UltraGear 45GX950A 45" to reach retina quality.
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs LG UltraGear 45GX950A 45" 2025 · 125 PPI · 44.5" · 165 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Samsung Odyssey OLED G8 G80SD 32" 2024 · 140 PPI · 31.5" · 240 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs LG UltraGear 45GX950A 45" 2025 · 125 PPI · 44.5" · 165 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Samsung Odyssey OLED G8 G80SD 32" 2024 · 140 PPI · 31.5" · 240 Hz
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.
Comparison winners are calculated metric by metric (higher is better for most specs; lower is better for distance/response time).
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