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| General Info | ||
|---|---|---|
| Model Number | Dell S3221QS | Samsung C34J791 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2018 |
| Brand | Dell | Samsung |
| Model Number | S3221QS | C34J791 |
| Alias | LC34J791WTEXXS | |
| Display | ||
| Screen Size Class | 32" (inches) | 34" (inches) |
| Diagonal Size | 31.5 in 80 cm 800.1 mm 2.63 ft |
34 in 86.4 cm 863.6 mm 2.83 ft |
| Screen Width | 27.45 in 69.7 cm 697.31 mm 2.29 ft |
31.49 in 80 cm 799.8 mm 2.62 ft |
| Screen Height | 15.44 in 39.2 cm 392.26 mm 1.29 ft |
13.18 in 33.5 cm 334.8 mm 1.1 ft |
| Display Curvature | 1800 | 1500 |
| Display Manufacturer | Samsung | |
| Display Type | VA | SVA |
| Display Bit Depth | 10 bits | 8 bits |
| Frame Rate Control | No | |
| Max Number of Colors | 1073741824 | 16777216 |
| Bits | 30 | 24 |
| Screen Aspect Ratio | 16:9 | 21:9 |
| Screen Resolution | 3840 x 2160 | 3440 x 1440 |
| Screen Pixel Pitch | 0.182 mm | 0.233 mm |
| Screen Pixel Density | 140 ppi | 109 ppi |
| Screen-to-Body Ratio | 90.79 % | 91.27 % |
| Backlight Source | W-LED | Edge LED |
| DCI P3 | 90% | |
| sRGB | 99 % | 125 % |
| Adobe RGB 1998 | 80 % | 92 % |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Max Screen Brightness | 370 cd/m² | |
| Static Screen Contrast | 3000 : 1 | 3000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 6 ms | |
| Display Minimum Response Time | 4 ms | 4 ms |
| Display Average Response Time | 8 ms | 14 ms |
| Display Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (2H) |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 2.52 in 6.4 cm 64 mm 0.21 ft |
6.57 in 16.7 cm 167 mm 0.55 ft |
| Case Weight | 7.4 kg 16 lbs |
6.3 kg 14 lbs |
| Case Width with Stand | 27.92 in 70.9 cm 709.2 mm 2.33 ft |
31.84 in 80.9 cm 808.7 mm 2.65 ft |
| Case Height with Stand | 17.64 in 44.8 cm 448.1 mm 1.47 ft |
20.31 in 51.6 cm 516 mm 1.69 ft |
| Case Depth with Stand | 8.15 in 20.7 cm 207 mm 0.68 ft |
12.18 in 30.9 cm 309.4 mm 1.02 ft |
| Case Weight with Stand | 10.9 kg 24 lbs |
7.7 kg 17 lbs |
| Case Color | Silver | White, Silver |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream) |
1 x DisplayPort 1.2 2 x Thunderbolt 3.0 1 x 3.5 mm Audio Out 2 x USB 2.0 (downstream) 1 x HDMI 1.4 |
| Audio | ||
| Audio Speakers | 2 x 5W | 2 x 7W |
| Features | ||
| Cool Features | Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology |
Eye Saver Mode Flicker-free technology Picture-by-Picture Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Eco Saving Plus |
| Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 27.92 in 70.9 cm 709.2 mm 2.33 ft |
31.84 in 80.9 cm 808.7 mm 2.65 ft |
| Case Height | 16.72 in 42.5 cm 424.8 mm 1.39 ft |
14.28 in 36.3 cm 362.8 mm 1.19 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | Yes |
| Height Adjustment Range | 70 mm 7 cm 2.7559 in 0.2297 ft |
100 mm 10 cm 3.937 in 0.3281 ft |
| Landscape or Portrait Pivot Support | No | No |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 2 ° |
| Backward Tilt | 21 ° | 34 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 40 Hz - 60 Hz | 48 Hz - 100 Hz |
| Horizontal Digital Frequency | 29 kHz - 140 kHz | 30 kHz - 152 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | HDMI cable | |
| Certificates and Standards | ||
| Licenses | ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
ENERGY STAR FCC Class B ISO9241-307 TÜV/Ergonomics |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
10 °C - 40 °C 50 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 90 % | 5 % - 95 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Dell S3221QS | Samsung C34J791 |
