BenQ PD2730S vs BenQ RD280U
Side-by-side comparison of viewing distance, PPI, and specifications
Category Ranking
Pixel Density (PPI)67in category
BenQ PD2730S218 PPI #5
BenQ RD280U164 PPI #18
93 PPI224 PPI
HDR Peak Brightness67in category
BenQ PD2730S400 nits #51
BenQ RD280U400 nits #51
250 nits2000 nits
DCI-P3 Color Gamut63in category
BenQ PD2730S98% #31
BenQ RD280U93% #59
79%100%
Refresh Rate
BenQ PD2730S60 Hz
BenQ RD280U60 Hz
StandardHighUltra
Summary
- Sharpness: no visible difference — Both screens exceed the retina threshold at 65cm. The BenQ PD2730S has 33% higher pixel density (218 vs 164 PPI), but this only becomes visible below 40cm.
- Brightness: comparable — Both screens offer similar brightness (400 vs 350 nits SDR). Neither has a meaningful advantage for outdoor use.
Key Differences
| Specification | BenQ PD2730S | BenQ RD280U |
|---|---|---|
| Resolution | 5120×2880 | 3840×2560 |
| Pixel Density (PPI) | 218 | 164 |
| Optimal Viewing Distance | 40cm | 53cm |
| SDR Brightness | 400 nits | 350 nits |
| Contrast Ratio | 1:2,000 | 1:1,200 |
| Color Gamut | sRGB 100% · DCI-P3 98% | sRGB 100% · DCI-P3 93% · Adobe RGB 87% |
| Screen Size | 27" | 28.2" |
All specifications
| Specification | BenQ PD2730S 2024 | BenQ RD280U 2024 |
|---|---|---|
| Screen Size | 27" | 28.2" (Better) |
| Resolution | 5120×2880 (Better) | 3840×2560 |
| Pixel Density (PPI) | 218 (Better) | 164 |
| Optimal Viewing Distance | 40cm (Better) | 53cm |
| Panel Type | IPS | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 3:2 |
| Refresh Rate | 60 Hz | 60 Hz |
| Variable Refresh Rate (VRR) | None | None |
| Response Time | 5 ms GTG | 5 ms GTG |
| HDR Certification | DisplayHDR 400 | DisplayHDR 400 |
| SDR Brightness | 400 nits (Better) | 350 nits |
| HDR Peak Brightness | 400 nits | 400 nits |
| Contrast Ratio | 1:2,000 (Better) | 1:1,200 |
| Ports | 1x HDMI · 1x DP · USB-C · USB Hub | 1x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 98% (Better) | sRGB 100% · DCI-P3 93% · Adobe RGB 87% |
| Year | 2024 | 2024 |
Frequently Asked Questions
Which has better PPI: BenQ PD2730S or BenQ RD280U?
The BenQ PD2730S has 218 PPI compared to 164 PPI for the BenQ RD280U.
Which has a closer optimal viewing distance?
The BenQ PD2730S requires 40cm vs 53cm for the BenQ RD280U to reach retina quality.
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs BenQ PD2730S 2024 · 218 PPI · 27" · 60 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs BenQ RD280U 2024 · 164 PPI · 28.2" · 60 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs BenQ PD2730S 2024 · 218 PPI · 27" · 60 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs BenQ RD280U 2024 · 164 PPI · 28.2" · 60 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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