Comparison between:
- 39.7" Dell U4021QW
- 39.7" LG 40WP95C
- 27" Apple Studio Display
- 35" BenQ EX3501R
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell U4021QW | LG 40WP95C | Apple Studio Display | BenQ EX3501R | |
| Series | UltraSharp | UltraWide | - | - |
 |  |  |  | |
| Model alias | UltraSharp U4021QW | UltraWide 40WP95C 40WP95C-W 40BP95C | - | - |
| Model year | 2021 | 2021 | 2022 | 2017 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 39.7 in | 39.7 in | 27 in | 35 in |
| Diagonal | 1008.59 mm 100.859 cm 39.7083 in 3.309 ft | 1008.59 mm 100.859 cm 39.7083 in 3.309 ft | 684.667 mm 68.4667 cm 26.9554 in 2.2463 ft | 889 mm 88.9 cm 35 in 2.9167 ft |
| Width | 929.28 mm 92.928 cm 36.5858 in 3.0488 ft | 929.28 mm 92.928 cm 36.5858 in 3.0488 ft | 597.73 mm 59.773 cm 23.5327 in 1.9611 ft | 819.408 mm 81.9408 cm 32.2602 in 2.6883 ft |
| Height | 392.04 mm 39.204 cm 15.4346 in 1.2862 ft | 392.04 mm 39.204 cm 15.4346 in 1.2862 ft | 336.22 mm 33.622 cm 13.237 in 1.1031 ft | 345.888 mm 34.5888 cm 13.6176 in 1.1348 ft |
| Radius of curvature | 2500 mm 250 cm 98.4252 in 8.2021 ft | 2500 mm 250 cm 98.4252 in 8.2021 ft | - | 1800 mm 180 cm 70.8661 in 5.9055 ft |
| Panel manufacturer | - | - | - | AU Optronics |
| Panel model | - | - | - | M350QVR01.1 |
| Panel type | IPS | IPS | IPS | AMVA |
| Panel bit depth | 10 bits | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 8 bits |
| FRC | - | Yes | Yes | No |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 16777216 colors 24 bits |
| Aspect ratio | 2.37:1 | 2.37:1 | 1.778:1 16:9 | 2.389:1 |
| Resolution | 5120 x 2160 pixels | 5120 x 2160 pixels | 5120 x 2880 pixels | 3440 x 1440 pixels |
| Pixel pitch | 0.182 mm 0.0182 cm 0.0071 in 0.0006 ft | 0.182 mm 0.0182 cm 0.0071 in 0.0006 ft | 0.117 mm 0.0117 cm 0.0046 in 0.0004 ft | 0.238 mm 0.0238 cm 0.0094 in 0.0008 ft |
| Pixel density | 140 ppi 55 ppcm | 140 ppi 55 ppcm | 217 ppi 85 ppcm | 106 ppi 41 ppcm |
| Display area | 91.83 % | 91.75 % | 89.11 % | 85.92 % |
| Backlight | W-LED | W-LED | W-LED | W-LED |
| sRGB | 100 % | 100 % | - | 100 % |
| Adobe RGB (1998) | - | - | - | 75 % |
| DCI P3 | 98 % | 98 % | - | 85 % |
| Brightness | 300 cd/m² | 300 cd/m² | 600 cd/m² | 300 cd/m² |
| Peak brightness | - | 320 cd/m² | - | - |
| Static contrast | 1000 : 1 | 1000 : 1 | 1200 : 1 | 2500 : 1 |
| Dynamic contrast | - | - | - | 200000000 : 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 | 5 ms 0.0050 s | - | 4 ms 0.0040 s |
| Average response time | 8 ms 0.0080 s | 8.6 ms 0.0086 s | - | 15 ms 0.0150 s |
| Maximum response time | - | - | - | 20 ms 0.0200 s |
| Input lag | 8.9 ms 0.0089 s | 7.4 ms 0.0074 s | - | 15 ms 0.0150 s |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte | Anti-glare/Matte (3H) |
| - | - | True Tone Display Nano-texture glass | - |
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) | 27 kHz - 133 kHz | - | - | 28 kHz - 155 kHz |
| Vertical frequency (digital) | 24 Hz - 86 Hz | 48 Hz - 72 Hz | 60 Hz | 48 Hz - 100 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 |
| Electric current (A) | 3 A | 3 A | - | - |
| Power consumption (off) | - | 0.3 W | - | 0.5 W |
| Power consumption (sleep) | 0.5 W | 1.2 W | - | 0.5 W |
| Power consumption (eco) | - | 57 W | - | 35 W |
| Power consumption (average) | 51.5 W | 80 W | - | 65.7 W |
| Power consumption (maximum) | 240 W | - | - | - |
| Power consumption (annual) | 140.86 kWh | - | - | - |
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 | 946.6 mm 94.66 cm 37.2677 in 3.1056 ft | 947.2 mm 94.72 cm 37.2913 in 3.1076 ft | 623 mm 62.3 cm 24.5276 in 2.044 ft | 833.95 mm 83.395 cm 32.8327 in 2.7361 ft |
| Height | 419.1 mm 41.91 cm 16.5 in 1.375 ft | 419.2 mm 41.92 cm 16.5039 in 1.3753 ft | 362 mm 36.2 cm 14.252 in 1.1877 ft | 395.55 mm 39.555 cm 15.5728 in 1.2977 ft |
| Depth | 59.6 mm 5.96 cm 2.3465 in 0.1955 ft | 114.8 mm 11.48 cm 4.5197 in 0.3766 ft | 31 mm 3.1 cm 1.2205 in 0.1017 ft | 94.49 mm 9.449 cm 3.7201 in 0.31 ft |
| Weight | 9.5 kg 20.94 lbs | 10.2 kg 22.49 lbs | 5.5 kg 12.13 lbs | - |
| Width with stand | 946.6 mm 94.66 cm 37.2677 in 3.1056 ft | 947.2 mm 94.72 cm 37.2913 in 3.1076 ft | 623 mm 62.3 cm 24.5276 in 2.044 ft | 833.95 mm 83.395 cm 32.8327 in 2.7361 ft |
| Height with stand | 457.8 mm 45.78 cm 18.0236 in 1.502 ft | 504.7 mm 50.47 cm 19.8701 in 1.6558 ft | 478 mm 47.8 cm 18.8189 in 1.5682 ft | 444.02 mm 44.402 cm 17.4811 in 1.4568 ft |
| Depth with stand | 248 mm 24.8 cm 9.7638 in 0.8136 ft | 283 mm 28.3 cm 11.1417 in 0.9285 ft | 168 mm 16.8 cm 6.6142 in 0.5512 ft | 224.08 mm 22.408 cm 8.822 in 0.7352 ft |
| Weight with stand | 13.8 kg 30.42 lbs | 12.3 kg 27.12 lbs | 6.3 kg 13.89 lbs | 10.4 kg 22.93 lbs |
| Box width | - | 1050 mm 105 cm 41.3386 in 3.4449 ft | - | - |
| Box height | - | 510 mm 51 cm 20.0787 in 1.6732 ft | - | - |
| Box depth | - | 250 mm 25 cm 9.8425 in 0.8202 ft | - | - |
| Box weight | 21.6 kg 47.62 lbs | 16.6 kg 36.6 lbs | - | 16.4 kg 36.16 lbs |
| Stand width | 385 mm 38.5 cm 15.1575 in 1.2631 ft | 385 mm 38.5 cm 15.1575 in 1.2631 ft | - | - |
| Stand depth | 247 mm 24.7 cm 9.7244 in 0.8104 ft | 283 mm 28.3 cm 11.1417 in 0.9285 ft | - | - |
| Colors | Black and Silver | White and Silver | Silver | Gray |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes | No |
| VESA interface | 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 | 120 mm 12 cm 4.7244 in 0.3937 ft | 110 mm 11 cm 4.3307 in 0.3609 ft | - | 60 mm 6 cm 2.3622 in 0.1969 ft |
| Landscape/portrait pivot | No | No | No | No |
| Left/right swivel | Yes | Yes | No | No |
| Left swivel | 35 ° | 15 ° | - | - |
| Right swivel | 35 ° | 15 ° | - | - |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 20 ° | 20 ° | 25 ° | 20 ° |
| - | One Click Stand | Optional height-adjustable stand - up to 105 mm Height at bottom position - 479 mm Height at top position - 583 mm Depth - 207 mm Weight - 7.7 mm | - |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 9 W | 2 x 10 W | - | - |
| - | Down firing Rich Bass | High-fidelity six-speaker system with force-cancelling woofers Wide stereo sound Support for Spatial Audio when playing music or video with Dolby Atmos Studio-quality three-mic array with high signal-to-noise ratio and directional beamforming Support for "Hey Siri" | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | Yes | No |
| Image resolution | - | - | 4000 x 3000 pixels 12 MP | - |
| - | - | Field of view - 122° Aperture size - f/2.4 Center Stage | - |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x USB 3.2 (Type-C; Gen 2; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 1 x 3.5 mm Audio Out (line-out for speakers) | 2 x USB 3.0 (Type-A; downstream) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x Thunderbolt 4.0 (out) 1 x Thunderbolt 4.0 (in; Type-C; upstream; 96W; DP Alt Mode) 1 x 3.5 mm Audio Out (line-out for speakers) | 3 x USB 3.2 (Type-C; Gen 2; 10 Gbps downstream; 15W) 1 x Thunderbolt 3.2 (Type-C; upstream; 96W) | 2 x USB 3.0 (downstream) 1 x USB 3.1 (Type-C) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | ComfortView Plus Flicker-free technology KVM Switch Low Blue Light Picture-by-Picture Picture-in-Picture | 3-Side Virtually Borderless Design AMD FreeSync technology Auto-Brightness with Ambient Light Sensor Black Stabilizer Colour Calibrated Dynamic Action Sync Dual Controller Flicker-free technology Hardware Calibration Ready HDR Effect KVM Switch Live Colour Low Blue Light Nano IPS Picture-by-Picture Reader Mode Smart Energy Saving Super Resolution+ True Colour Pro Wide Colour Gamut | - | AMA (Advanced Motion Accelerator) AMD FreeSync technology Brightness Intelligence Plus Flicker-free technology Low Blue light Picture-by-Picture Picture-in-Picture |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | - | TÜV Rheinland Eyesafe Display Certification TÜV Rheinland Low Blue Light (Hardware Solution) | - | ENERGY STAR TCO 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 - 40 °C 32 °F - 104 °F | 0 °C - 40 °C 32 °F - 104 °F | 10 °C - 35 °C 50 °F - 95 °F | - |
| Operating humidity | 10 % - 80 % | 10 % - 80 % | 20 % - 80 % | - |
| Operating altitude | 5000 m 16404.2 ft | 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 | - | - |
| Storage humidity | 5 % - 90 % | 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 HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable | DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable | Thunderbolt cable | DisplayPort cable - mini-DP to DP HDMI cable USB Type-C cable |
Additional features
Information about other features.
| Additional features | Security lock slot | Anti-theft stand lock slot - Kensington | Security lock slot | Anti-theft stand lock slot - Kensington |
| Dell U4021QW | LG 40WP95C | Apple Studio Display | BenQ EX3501R |