Comparison between:
- 27" BenQ SW2700PT
- 34.1" ViewSonic VA3456-MHDJ
- 31.5" ViewSonic VX3276-4K-mhd
- 31.5" Dell S3221QS
Brand, series, model
Information about the brand, series, model and model aliases.
| BenQ SW2700PT | ViewSonic VA3456-MHDJ | ViewSonic VX3276-4K-mhd | Dell S3221QS | |
 |  |  |  | |
| Model alias | - | - | VS17797 | - |
| Model year | 2015 | 2021 | 2020 | 2020 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 34.1 in | 31.5 in | 31.5 in |
| Diagonal | 685.9 mm 68.59 cm 27.0039 in 2.2503 ft | 867 mm 86.7 cm 34.1339 in 2.8445 ft | 801 mm 80.1 cm 31.5354 in 2.628 ft | 800.1 mm 80.01 cm 31.5 in 2.625 ft |
| Width | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 799.8 mm 79.98 cm 31.4882 in 2.624 ft | 698.11 mm 69.811 cm 27.4846 in 2.2904 ft | 697.31 mm 69.731 cm 27.4531 in 2.2878 ft |
| Height | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 334.8 mm 33.48 cm 13.1811 in 1.0984 ft | 392.68 mm 39.268 cm 15.4598 in 1.2883 ft | 392.26 mm 39.226 cm 15.4433 in 1.2869 ft |
| Radius of curvature | - | - | - | 1800 mm 180 cm 70.8661 in 5.9055 ft |
| Panel manufacturer | AU Optronics | - | - | - |
| Panel model | M270DAN02.1 | - | - | - |
| Panel type | AHVA IPS | IPS | VA | VA |
| Panel bit depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 8 bits (6 bits + FRC) | 10 bits |
| FRC | Yes | Yes | Yes | - |
| LUT | 3D LUT 14 bits | - | - | - |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 16777216 colors 24 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 2.389:1 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 2560 x 1440 pixels Quad HD (QHD) / 1440p | 3440 x 1440 pixels | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p |
| Pixel pitch | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.182 mm 0.0182 cm 0.0071 in 0.0006 ft | 0.182 mm 0.0182 cm 0.0071 in 0.0006 ft |
| Pixel density | 109 ppi 42 ppcm | 109 ppi 43 ppcm | 139 ppi 55 ppcm | 140 ppi 55 ppcm |
| Display area | - | 89.31 % | 91.2 % | 90.79 % |
| Backlight | RB-LED | W-LED | W-LED | W-LED |
| sRGB | 100 % | 104 % | - | 99 % |
| Adobe RGB (1998) | 99 % | - | - | 80 % |
| NTSC (1953) | 72 % | 72 % | 85 % | - |
| DCI P3 | 95 % | - | - | 90 % |
| Brightness | 250 cd/m² | 400 cd/m² | 300 cd/m² | 300 cd/m² |
| Peak brightness | 350 cd/m² | - | - | 370 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 | 3000 : 1 | 3000 : 1 |
| Dynamic contrast | 20000000 : 1 | 50000000 : 1 | 80000000 : 1 | - |
| HDR | - | HDR10 | HDR10 | - |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 5 ms 0.0050 s | 4 ms 0.0040 s | 4 ms 0.0040 s | 4 ms 0.0040 s |
| Average response time | 12 ms 0.0120 s | - | - | 8 ms 0.0080 s |
| Maximum response time | 20 ms 0.0200 s | - | - | - |
| Input lag | 17 ms 0.0170 s | - | - | - |
| Coating | Anti-glare/Matte | Anti-glare/Matte (3H) | Anti-glare/Matte | 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 | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | - | 15 kHz - 120 kHz | 15 kHz - 140 kHz | 29 kHz - 140 kHz |
| Vertical frequency (digital) | 50 Hz - 76 Hz | 24 Hz - 76 Hz | 24 Hz - 75 Hz | 40 Hz - 60 Hz |
| - | DisplayPort - 24 kHz - 120 kHz; 48 Hz - 76 Hz HDMI - 15 kHz - 120 kHz; 24 Hz - 76 Hz | 4K @ 60 Hz | - |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 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 | 50 Hz - 60 Hz |
| Power consumption (off) | 0.3 W | 0.3 W | 0.5 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W | 0.3 W |
| Power consumption (eco) | - | 37 W | 24 W | - |
| Power consumption (average) | 36.7 W | 43 W | 51 W | 38 W |
| Power consumption (maximum) | 45 W | 45 W | 52 W | 91 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 | - | 817 mm 81.7 cm 32.1654 in 2.6804 ft | 715.7 mm 71.57 cm 28.1772 in 2.3481 ft | 709.2 mm 70.92 cm 27.9213 in 2.3268 ft |
| Height | - | 367 mm 36.7 cm 14.4488 in 1.2041 ft | 420 mm 42 cm 16.5354 in 1.378 ft | 424.8 mm 42.48 cm 16.7244 in 1.3937 ft |
| Depth | - | 59 mm 5.9 cm 2.3228 in 0.1936 ft | 44 mm 4.4 cm 1.7323 in 0.1444 ft | 64 mm 6.4 cm 2.5197 in 0.21 ft |
| Weight | - | 6.8 kg 14.99 lbs | 6.4 kg 14.11 lbs | 7.4 kg 16.31 lbs |
| Width with stand | 638.8 mm 63.88 cm 25.1496 in 2.0958 ft | 817 mm 81.7 cm 32.1654 in 2.6804 ft | 715.7 mm 71.57 cm 28.1772 in 2.3481 ft | 709.2 mm 70.92 cm 27.9213 in 2.3268 ft |
| Height with stand | 423 mm 42.3 cm 16.6535 in 1.3878 ft | 413.31 mm 41.331 cm 16.272 in 1.356 ft | 508 mm 50.8 cm 20 in 1.6667 ft | 448.1 mm 44.81 cm 17.6417 in 1.4701 ft |
| Depth with stand | 383.4 mm 38.34 cm 15.0945 in 1.2579 ft | 201 mm 20.1 cm 7.9134 in 0.6594 ft | 230 mm 23 cm 9.0551 in 0.7546 ft | 207 mm 20.7 cm 8.1496 in 0.6791 ft |
| Weight with stand | 8.3 kg 18.3 lbs | 9.2 kg 20.28 lbs | 6.9 kg 15.21 lbs | 10.9 kg 24.03 lbs |
| Box width | - | 900 mm 90 cm 35.4331 in 2.9528 ft | 838 mm 83.8 cm 32.9921 in 2.7493 ft | - |
| Box height | - | 460 mm 46 cm 18.1102 in 1.5092 ft | 514 mm 51.4 cm 20.2362 in 1.6864 ft | - |
| Box depth | - | 230 mm 23 cm 9.0551 in 0.7546 ft | 118 mm 11.8 cm 4.6457 in 0.3871 ft | - |
| Box weight | 8.3 kg 18.3 lbs | 11.6 kg 25.57 lbs | 8.6 kg 18.96 lbs | 15.2 kg 33.51 lbs |
| Stand depth | - | - | 230 mm 23 cm 9.0551 in 0.7546 ft | - |
| Colors | Black | Black | Black | Silver |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | No | Yes |
| Height adjustment range | 130 mm 13 cm 5.1181 in 0.4265 ft | 100 mm 10 cm 3.937 in 0.3281 ft | - | 70 mm 7 cm 2.7559 in 0.2297 ft |
| Landscape/portrait pivot | Yes | No | No | No |
| Left pivot | 0 ° | - | - | - |
| Right pivot | 90 ° | - | - | - |
| Left/right swivel | Yes | Yes | No | No |
| Left swivel | 35 ° | 180 ° | - | - |
| Right swivel | 35 ° | 180 ° | - | - |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 4 ° | 4 ° | 5 ° |
| Backward tilt | 20 ° | 20 ° | 15 ° | 21 ° |
| - | - | - | Stand width - 302 mm Stand depth - 207 mm |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | 2 x 3 W | 2 x 2 W | 2 x 5 W |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 3.0 (Type-B; upstream) 2 x USB 3.1 (downstream) 1 x HDMI 1.4 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x 3.5 mm Audio Out 1 x SD Memory Card Slot | 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x HDMI 2.0 1 x DisplayPort 1.2 (mini) 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x USB 3.0 (Type-B; upstream) 2 x USB 3.0 (Type-A; downstream) 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) 2.2 |
Features
Some additional functional features of the model.
| Features | AMA (Advanced Motion Accelerator) Flicker-free technology Low Blue Light OSD controler | 3-side borderless design Adaptive-Sync technology ECO Mode Flicker-free technology Low Blue Light SuperClear IPS | Advanced DCR Black Stabilization Blue Light Filter Color Adjust Eco Mode Flicker-free technology Game Mode Low Input Lag ViewMode | 3-sided bezeless design AMD FreeSync technology Flicker-free technology Low Blue Light |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | ENERGY STAR 6.0 | CB CE CE EMC CEC cTUVus EAC ErP FCC-B ICES003 MX-CoC Mexico Energy RCM REACH UkrSEPRO WEEE | CB CCC CE CE EMC CEC CEL cTUVus EAC Energy Star ErP FCC-B ICES003 MX-CoC Mexico Energy REACH RoHS UkrSEPRO UKCA WEEE | ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light |
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 - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | - | 20 % - 90 % | - | 10 % - 80 % |
| Operating altitude | - | 5000 m 16404.2 ft | - | 5000 m 16404.2 ft |
| Storage temperature | - | -20 °C - 60 °C -4 °F - 140 °F | -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 | DisplayPort cable - mini-DP to DP DVI-D cable HDMI cable Hood USB 3.0 upstream cable | HDMI cable | HDMI cable | HDMI cable |
Additional features
Information about other features.
| Additional features | - | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| BenQ SW2700PT | ViewSonic VA3456-MHDJ | ViewSonic VX3276-4K-mhd | Dell S3221QS |