Dell U3421WE 34" vs LG 32UN880-B 32"
Side-by-side comparison of viewing distance, PPI, and specifications
Category Ranking
Pixel Density (PPI)67in category
Dell U3421WE 34"110 PPI #47
LG 32UN880-B 32"140 PPI #30
93 PPI224 PPI
HDR Peak Brightness67in category
Dell U3421WE 34"300 nits #65
LG 32UN880-B 32"450 nits #48
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell U3421WE 34"95% #48
LG 32UN880-B 32"95% #48
79%100%
Refresh Rate
Dell U3421WE 34"60 Hz
LG 32UN880-B 32"60 Hz
StandardHighUltra
Summary
- Sharpness: advantage LG 32UN880-B 32" — At 65cm, the LG 32UN880-B 32" is retina (140 PPI) while the Dell U3421WE 34" is not — you need to sit at least 80cm away for pixel-free viewing.
- Brightness: advantage LG 32UN880-B 32" — Similar SDR brightness (300 vs 350 nits), but the LG 32UN880-B 32" leads in HDR peak (450 vs 300 nits).
Key Differences
| Specification | Dell U3421WE 34" | LG 32UN880-B 32" |
|---|---|---|
| Screen Size | 34" | 31.5" |
| USB-C Power Delivery | 90 W | 60 W |
| Color Gamut | sRGB 99% · DCI-P3 95% | sRGB 100% · DCI-P3 95% · Adobe RGB 87% |
| Year | 2021 | 2020 |
| Resolution | 3440×1440 | 3840×2160 |
| Pixel Density (PPI) | 110 | 140 |
| Optimal Viewing Distance | 80cm | 62cm |
| SDR Brightness | 300 nits | 350 nits |
| HDR Peak Brightness | 300 nits | 450 nits |
All specifications
| Specification | Dell U3421WE 34" 2021 | LG 32UN880-B 32" 2020 |
|---|---|---|
| Screen Size | 34" (Better) | 31.5" |
| Resolution | 3440×1440 | 3840×2160 (Better) |
| Pixel Density (PPI) | 110 | 140 (Better) |
| Optimal Viewing Distance | 80cm | 62cm (Better) |
| Panel Type | IPS | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 60 Hz | 60 Hz |
| Variable Refresh Rate (VRR) | None | FreeSync |
| Response Time | 5 ms GTG | 5 ms GTG |
| HDR Certification | None | None |
| SDR Brightness | 300 nits | 350 nits (Better) |
| HDR Peak Brightness | 300 nits | 450 nits (Better) |
| Contrast Ratio | 1:1,000 | 1:1,000 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W (Better) | 60 W |
| Color Gamut | sRGB 99% · DCI-P3 95% (Better) | sRGB 100% · DCI-P3 95% · Adobe RGB 87% |
| Year | 2021 (Better) | 2020 |
Frequently Asked Questions
Which has better PPI: Dell U3421WE 34" or LG 32UN880-B 32"?
The LG 32UN880-B 32" has 140 PPI compared to 110 PPI for the Dell U3421WE 34".
Which has a closer optimal viewing distance?
The LG 32UN880-B 32" requires 62cm vs 80cm for the Dell U3421WE 34" 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 LG 32UN880-B 32" 2020 · 140 PPI · 31.5" · 60 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 LG 32UN880-B 32" 2020 · 140 PPI · 31.5" · 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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