Dell U3421WE 34" vs Samsung Odyssey G7 32"
Side-by-side comparison of viewing distance, PPI, and specifications
Category Ranking
Pixel Density (PPI)67in category
Dell U3421WE 34"110 PPI #47
Samsung Odyssey G7 32"93 PPI #66
93 PPI224 PPI
HDR Peak Brightness67in category
Dell U3421WE 34"300 nits #65
Samsung Odyssey G7 32"600 nits #22
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell U3421WE 34"95% #48
Samsung Odyssey G7 32"95% #48
79%100%
Refresh Rate
Dell U3421WE 34"60 Hz
Samsung Odyssey G7 32"240 Hz
StandardHighUltra
Summary
- Sharpness: advantage Dell U3421WE 34" — Neither screen reaches retina quality at 65cm. The Dell U3421WE 34" gets there at 80cm vs 94cm for the Samsung Odyssey G7 32".
- Brightness: advantage Samsung Odyssey G7 32" — Similar SDR brightness (300 vs 350 nits), but the Samsung Odyssey G7 32" leads in HDR peak (600 vs 300 nits).
Key Differences
| Specification | Dell U3421WE 34" | Samsung Odyssey G7 32" |
|---|---|---|
| Screen Size | 34" | 31.5" |
| Resolution | 3440×1440 | 2560×1440 |
| Pixel Density (PPI) | 110 | 93 |
| Optimal Viewing Distance | 80cm | 94cm |
| Year | 2021 | 2020 |
| Refresh Rate | 60 Hz | 240 Hz |
| Response Time | 5 ms GTG | 1 ms GTG |
| SDR Brightness | 300 nits | 350 nits |
| HDR Peak Brightness | 300 nits | 600 nits |
| Contrast Ratio | 1:1,000 | 1:2,500 |
| Color Gamut | sRGB 99% · DCI-P3 95% | sRGB 125% · DCI-P3 95% · Adobe RGB 85% |
All specifications
| Specification | Dell U3421WE 34" 2021 | Samsung Odyssey G7 32" 2020 |
|---|---|---|
| Screen Size | 34" (Better) | 31.5" |
| Resolution | 3440×1440 (Better) | 2560×1440 |
| Pixel Density (PPI) | 110 (Better) | 93 |
| Optimal Viewing Distance | 80cm (Better) | 94cm |
| Panel Type | IPS | VA |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 60 Hz | 240 Hz (Better) |
| Variable Refresh Rate (VRR) | None | FreeSync Premium Pro |
| Response Time | 5 ms GTG | 1 ms GTG (Better) |
| HDR Certification | None | DisplayHDR 600 |
| SDR Brightness | 300 nits | 350 nits (Better) |
| HDR Peak Brightness | 300 nits | 600 nits (Better) |
| Contrast Ratio | 1:1,000 | 1:2,500 (Better) |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 1x HDMI · 2x DP · USB Hub |
| USB-C Power Delivery | 90 W | — |
| Color Gamut | sRGB 99% · DCI-P3 95% | sRGB 125% · DCI-P3 95% · Adobe RGB 85% (Better) |
| Year | 2021 (Better) | 2020 |
Frequently Asked Questions
Which has better PPI: Dell U3421WE 34" or Samsung Odyssey G7 32"?
The Dell U3421WE 34" has 110 PPI compared to 93 PPI for the Samsung Odyssey G7 32".
Which has a closer optimal viewing distance?
The Dell U3421WE 34" requires 80cm vs 94cm for the Samsung Odyssey G7 32" to reach retina quality.
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Dell U3421WE 34" 2021 · 110 PPI · 34" · 60 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Samsung Odyssey G7 32" 2020 · 93 PPI · 31.5" · 240 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Dell U3421WE 34" 2021 · 110 PPI · 34" · 60 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Samsung Odyssey G7 32" 2020 · 93 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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