Comparison between:
- 31.5" Dell UltraSharp UP3218K
- 31.5" Sharp 8M-B32C1
- 31.5" ViewSonic VG3281-8K
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell UltraSharp UP3218K | Sharp 8M-B32C1 | ViewSonic VG3281-8K | |
| Series | UltraSharp | - | - |
 |  |  | |
| Model alias | - | - | VG3281 |
| Model year | 2017 | 2021 | 2023 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 31.5 in | 31.5 in | 31.5 in |
| Diagonal | 801 mm 80.1 cm 31.5354 in 2.628 ft | 800.5 mm 80.05 cm 31.5157 in 2.6263 ft | 801 mm 80.1 cm 31.5354 in 2.628 ft |
| Width | 698.1 mm 69.81 cm 27.4843 in 2.2904 ft | 697.728 mm 69.7728 cm 27.4696 in 2.2891 ft | 698.11 mm 69.811 cm 27.4846 in 2.2904 ft |
| Height | 392.7 mm 39.27 cm 15.4606 in 1.2884 ft | 392.472 mm 39.2472 cm 15.4517 in 1.2876 ft | 392.69 mm 39.269 cm 15.4602 in 1.2884 ft |
| Panel manufacturer | - | Sharp | - |
| Panel model | - | LS315C1VX01 | - |
| Panel type | IPS | A-Si IPS | IPS |
| Panel bit depth | 10 bits | 10 bits | 10 bits (8 bits + FRC) |
| FRC | - | - | Yes |
| LUT | 3D LUT 14 bits | - | - |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 7680 x 4320 pixels | 7680 x 4320 pixels | 7680 x 4320 pixels |
| Pixel pitch | 0.091 mm 0.0091 cm 0.0036 in 0.0003 ft | 0.091 mm 0.0091 cm 0.0036 in 0.0003 ft | 0.091 mm 0.0091 cm 0.0036 in 0.0003 ft |
| Pixel density | 279 ppi 110 ppcm | 280 ppi 110 ppcm | 279 ppi 110 ppcm |
| Display area | 90.34 % | 77.75 % | - |
| Backlight | W-LED | Direct LED | W-LED |
| sRGB | 100 % | - | - |
| Adobe RGB (1998) | 100 % | - | 99 % |
| DCI P3 | 98 % | - | 99 % |
| Rec. 2020 | - | 85 % | - |
| Brightness | 400 cd/m² | 800 cd/m² | 300 cd/m² |
| Peak brightness | - | 1000 cd/m² | - |
| Static contrast | 1300 : 1 | 1300 : 1 | 1000 : 1 |
| Dynamic contrast | - | 1000000 : 1 | - |
| HDR | - | HLG (Hybrid Log Gamma) HDR | HDR10 |
| Horizontal viewing angle | 178 ° | 176 ° | 178 ° |
| Vertical viewing angle | 178 ° | 176 ° | 178 ° |
| Minimum response time | 6 ms 0.0060 s | - | - |
| Average response time | 10 ms 0.0100 s | 9 ms 0.0090 s | - |
| Input lag | 10 ms 0.0100 s | - | - |
| Coating | Glossy | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | - | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Vertical frequency (digital) | 60 Hz | 60 Hz | 60 Hz |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 110 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Electric current (A) | 2.1 A | 2.9 A | - |
| Power consumption (off) | 0.5 W | - | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W |
| Power consumption (eco) | 50 W | - | - |
| Power consumption (average) | 87 W | 260 W | - |
| Power consumption (maximum) | 125 W | - | - |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | 720.5 mm 72.05 cm 28.3661 in 2.3638 ft | 751 mm 75.1 cm 29.5669 in 2.4639 ft | - |
| Height | 421.2 mm 42.12 cm 16.5827 in 1.3819 ft | 469 mm 46.9 cm 18.4646 in 1.5387 ft | - |
| Depth | 53.2 mm 5.32 cm 2.0945 in 0.1745 ft | 99 mm 9.9 cm 3.8976 in 0.3248 ft | - |
| Weight | 6.9 kg 15.21 lbs | 13.3 kg 29.32 lbs | - |
| Width with stand | 720.5 mm 72.05 cm 28.3661 in 2.3638 ft | 751 mm 75.1 cm 29.5669 in 2.4639 ft | - |
| Height with stand | 498.4 mm 49.84 cm 19.622 in 1.6352 ft | 540 mm 54 cm 21.2598 in 1.7717 ft | - |
| Depth with stand | 222 mm 22.2 cm 8.7402 in 0.7283 ft | 260 mm 26 cm 10.2362 in 0.853 ft | - |
| Weight with stand | - | 19.2 kg 42.33 lbs | - |
| Box height | - | 636 mm 63.6 cm 25.0394 in 2.0866 ft | - |
| Box depth | - | 375 mm 37.5 cm 14.7638 in 1.2303 ft | - |
| Box weight | - | 23 kg 50.71 lbs | - |
| Colors | Black | - | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | - | Yes |
| VESA interface | 100 x 100 mm | 200 x 200 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes |
| Height adjustment | Yes | No | Yes |
| Height adjustment range | 120 mm 12 cm 4.7244 in 0.3937 ft | - | 150 mm 15 cm 5.9055 in 0.4921 ft |
| Landscape/portrait pivot | Yes | No | Yes |
| Left pivot | 90 ° | - | 0 ° |
| Right pivot | 90 ° | - | 90 ° |
| Left/right swivel | Yes | No | Yes |
| Left swivel | 30 ° | - | 30 ° |
| Right swivel | 30 ° | - | 30 ° |
| Forward/backward tilt | Yes | No | Yes |
| Forward tilt | 5 ° | - | 5 ° |
| Backward tilt | 21 ° | - | 35 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | - | 2 x 3 W |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | - | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 3.0 (upstream) 4 x USB 3.0 (downstream) 2 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x USB (Type-B; upstream) 1 x USB (Type-A; downstream) 1 x HDMI 2.0 (HDMI2; 8K input with 4 HDMI cables) 1 x HDMI 2.0 (HDMI 3; 4K input) 1 x HDMI 2.0 (HDMI 1; 8K input) 1 x DisplayPort 1 x 3.5 mm Audio Out | 1 x USB (Type-C; upstream; 96W; DP Alt Mode) 1 x USB 3.0 (Type-B; upstream) 3 x USB 3.0 (Type-A; downstream) 2 x HDMI 2.1 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | - | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | Flicker-free technology | Sharp Advanced Uniform Color Calibration Technology Sharp Display Calibration Utility | Adaptive-Sync technology Delta E ≤1 Eco Mode Eye ProTech Flicker-free technology KVM Switch Low Blue Light SuperClear IPS ViewMode presets |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CECP CEL ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays | - | - |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 0 °C - 35 °C 32 °F - 95 °F | 5 °C - 35 °C 41 °F - 95 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 10 % - 80 % | 20 % - 80 % | 20 % - 90 % |
| Operating altitude | 5000 m 16404.2 ft | - | 3048 m 10000 ft |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | - | -20 °C - 60 °C -4 °F - 140 °F |
| Storage humidity | 5 % - 90 % | - | 5 % - 90 % |
| Storage altitude | 12192 m 40000 ft | - | 12192 m 40000 ft |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | 2x DisplayPort cable Factory Calibration Report USB 3.0 upstream cable | - | DisplayPort cable (optional) HDMI cable (optional) |
Additional features
Information about other features.
| Additional features | Security lock slot | - | Anti-theft stand lock slot - Kensington |
| Dell UltraSharp UP3218K | Sharp 8M-B32C1 | ViewSonic VG3281-8K |