BenQ RD280U vs MSI MPG 321URX QD-OLED 32"
Side-by-side comparison of viewing distance, PPI, and specifications
MSI MPG 321URX QD-OLED 32"
31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
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Advantages of BenQ RD280U
| Specification | BenQ RD280U | MSI MPG 321URX QD-OLED 32" |
|---|---|---|
| Resolution | 3840×2560 | 3840×2160 |
| Pixel Density (PPI) | 164 | 140 |
| Optimal Viewing Distance | 53cm | 62cm |
| SDR Brightness | 350 nits | 250 nits |
Advantages of MSI MPG 321URX QD-OLED 32"
| Specification | BenQ RD280U | MSI MPG 321URX QD-OLED 32" |
|---|---|---|
| Screen Size | 28.2" | 31.5" |
| Refresh Rate | 60 Hz | 240 Hz |
| Response Time | 5 ms GTG | 0.0 ms GTG |
| HDR Peak Brightness | 400 nits | 1000 nits |
| Contrast Ratio | 1:1,200 | 1:1,500,000 |
| Color Gamut | sRGB 100% · DCI-P3 93% · Adobe RGB 87% | sRGB 100% · DCI-P3 99% · Adobe RGB 96% |
Identical
| Specification | BenQ RD280U | MSI MPG 321URX QD-OLED 32" |
|---|---|---|
| Panel Type | IPS | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 3:2 | 16:9 |
| Variable Refresh Rate (VRR) | None | FreeSync Premium Pro |
| HDR Certification | DisplayHDR 400 | DisplayHDR True Black 400 |
| Ports | 1x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W | 90 W |
| Year | 2024 | 2024 |
Summary
Sharpness: no visible difference
Both screens exceed the retina threshold at 65cm. The BenQ RD280U has 17% higher pixel density (164 vs 140 PPI), but this only becomes visible below 53cm.
Brightness: advantage BenQ RD280U
The BenQ RD280U is 40% brighter in SDR (350 vs 250 nits), a noticeable difference for outdoor readability. HDR peak: 400 vs 1000 nits.
All specifications
| Specification | BenQ RD280U 2024 | MSI MPG 321URX QD-OLED 32" 2024 |
|---|---|---|
| Screen Size | 28.2" | 31.5" (Better) |
| Resolution | 3840×2560 (Better) | 3840×2160 |
| Pixel Density (PPI) | 164 (Better) | 140 |
| Optimal Viewing Distance | 53cm (Better) | 62cm |
| Panel Type | IPS | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 3:2 | 16:9 |
| Refresh Rate | 60 Hz | 240 Hz (Better) |
| Variable Refresh Rate (VRR) | None | FreeSync Premium Pro |
| Response Time | 5 ms GTG | 0.0 ms GTG (Better) |
| HDR Certification | DisplayHDR 400 | DisplayHDR True Black 400 |
| SDR Brightness | 350 nits (Better) | 250 nits |
| HDR Peak Brightness | 400 nits | 1000 nits (Better) |
| Contrast Ratio | 1:1,200 | 1:1,500,000 (Better) |
| Ports | 1x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 93% · Adobe RGB 87% | sRGB 100% · DCI-P3 99% · Adobe RGB 96% (Better) |
| Year | 2024 | 2024 |
Frequently Asked Questions
Which has better PPI: BenQ RD280U or MSI MPG 321URX QD-OLED 32"?
The BenQ RD280U has 164 PPI compared to 140 PPI for the MSI MPG 321URX QD-OLED 32".
Which has a closer optimal viewing distance?
The BenQ RD280U requires 53cm vs 62cm for the MSI MPG 321URX QD-OLED 32" to reach retina quality.
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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