Comparison between:
- 37.5" Dell UltraSharp U3818DW
- 34.14" Dell U3421WE
- 37.5" LG 38GN950
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell UltraSharp U3818DW | Dell U3421WE | LG 38GN950 | |
| Series | UltraSharp | UltraSharp | UltraGear |
 |  |  | |
| Model alias | - | UltraSharp U3421WE | 38GN950-B 38GN95B |
| Model year | 2017 | 2020 | 2020 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 37.5 in | 34.14 in | 37.5 in |
| Diagonal | 952.5 mm 95.25 cm 37.5 in 3.125 ft | 867.2 mm 86.72 cm 34.1417 in 2.8451 ft | 952.5 mm 95.25 cm 37.5 in 3.125 ft |
| Width | 879.67 mm 87.967 cm 34.6327 in 2.8861 ft | 799.8 mm 79.98 cm 31.4882 in 2.624 ft | 879.36 mm 87.936 cm 34.6205 in 2.885 ft |
| Height | 366.53 mm 36.653 cm 14.4303 in 1.2025 ft | 334.8 mm 33.48 cm 13.1811 in 1.0984 ft | 366.4 mm 36.64 cm 14.4252 in 1.2021 ft |
| Radius of curvature | 2300 mm 230 cm 90.5512 in 7.5459 ft | 1900 mm 190 cm 74.8031 in 6.2336 ft | - |
| Panel manufacturer | LG Display | LG Display | - |
| Panel model | LM375QW1-SSA1 | - | - |
| Panel type | AH-IPS | AH-IPS | IPS |
| Panel bit depth | 10 bits | 10 bits | 10 bits (8 bits + FRC) |
| FRC | - | - | Yes |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 2.4:1 | 2.389:1 | 2.4:1 |
| Resolution | 3840 x 1600 pixels | 3440 x 1440 pixels | 3840 x 1600 pixels |
| Pixel pitch | 0.229 mm 0.0229 cm 0.009 in 0.0008 ft | 0.233 mm 0.0233 cm 0.0092 in 0.0008 ft | 0.229 mm 0.0229 cm 0.009 in 0.0008 ft |
| Pixel density | 111 ppi 43 ppcm | 109 ppi 43 ppcm | 111 ppi 43 ppcm |
| Display area | 90.89 % | - | 91.02 % |
| Backlight | W-LED | W-LED | W-LED |
| sRGB | 99 % | 99 % | - |
| DCI P3 | 78.1 % | 95 % | 98 % |
| Brightness | 350 cd/m² | 300 cd/m² | 450 cd/m² |
| Peak brightness | - | - | 600 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 | 1000 : 1 |
| HDR | - | - | HDR10 DisplayHDR 600 |
| Horizontal viewing angle | 178 ° | 178 ° | - |
| Vertical viewing angle | 178 ° | 178 ° | - |
| Minimum response time | 5 ms 0.0050 s | 5 ms 0.0050 s | 1 ms 0.0010 s |
| Average response time | 8 ms 0.0080 s | 8 ms 0.0080 s | - |
| Maximum response time | 20 ms 0.0200 s | - | - |
| Input lag | 25 ms 0.0250 s | - | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| REC 709 - 99% | - | - |
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 |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Vertical frequency (digital) | 60 Hz | 60 Hz | 48 Hz - 144 Hz |
| - | - | Overclock - 160 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 |
| 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) | 3 A | 3 A | - |
| Power consumption (off) | 0.5 W | 0.5 W | 0.3 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.3 W |
| Power consumption (average) | 56 W | 36 W | 70 W |
| Power consumption (maximum) | 250 W | 210 W | 140 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 | 894 mm 89.4 cm 35.1969 in 2.9331 ft | 813.3 mm 81.33 cm 32.0197 in 2.6683 ft | 899.16 mm 89.916 cm 35.4 in 2.95 ft |
| Height | 396.8 mm 39.68 cm 15.622 in 1.3018 ft | - | 393.7 mm 39.37 cm 15.5 in 1.2917 ft |
| Depth | 55.5 mm 5.55 cm 2.185 in 0.1821 ft | - | 111.76 mm 11.176 cm 4.4 in 0.3667 ft |
| Weight | 9.05 kg 19.95 lbs | 7.52 kg 16.58 lbs | 7 kg 15.43 lbs |
| Width with stand | 894 mm 89.4 cm 35.1969 in 2.9331 ft | 813.3 mm 81.33 cm 32.0197 in 2.6683 ft | 899.16 mm 89.916 cm 35.4 in 2.95 ft |
| Height with stand | 432 mm 43.2 cm 17.0079 in 1.4173 ft | 392.8 mm 39.28 cm 15.4646 in 1.2887 ft | 477.52 mm 47.752 cm 18.8 in 1.5667 ft |
| Depth with stand | 226.4 mm 22.64 cm 8.9134 in 0.7428 ft | 237.4 mm 23.74 cm 9.3465 in 0.7789 ft | 312.42 mm 31.242 cm 12.3 in 1.025 ft |
| Weight with stand | 12.11 kg 26.7 lbs | 11.87 kg 26.17 lbs | 9.2 kg 20.28 lbs |
| Box width | - | - | 1059.18 mm 105.918 cm 41.7 in 3.475 ft |
| Box height | - | - | 551.18 mm 55.118 cm 21.7 in 1.8083 ft |
| Box depth | - | - | 255.02 mm 25.502 cm 10.0402 in 0.8367 ft |
| Box weight | 19.7 kg 43.43 lbs | 16.62 kg 36.64 lbs | 13.4 kg 29.54 lbs |
| Colors | Black | Platinum Silver | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes | Yes |
| VESA interface | - | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes |
| Height adjustment range | 115 mm 11.5 cm 4.5276 in 0.3773 ft | 150 mm 15 cm 5.9055 in 0.4921 ft | 110 mm 11 cm 4.3307 in 0.3609 ft |
| Landscape/portrait pivot | No | No | No |
| Left/right swivel | Yes | Yes | No |
| Left swivel | 30 ° | 30 ° | - |
| Right swivel | 30 ° | 30 ° | - |
| Forward/backward tilt | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° |
| Backward tilt | 21 ° | 21 ° | 15 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 9 W | 2 x 5 W | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 4 x USB 3.0 (downstream) 1 x USB 3.0 (Type-C) 2 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode) 1 x USB 3.1 (Type-C; downstream; 15W) 4 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x Ethernet RJ45 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | Picture-by-Picture Picture-in-Picture | ComfortView Flicker-free technology KVM Switch Low Blue Light Picture-by-Picture Picture-in-Picture | 3-Side Virtually Borderless Design Adaptive-Sync technology AMD FreeSync Premium Pro Black Stabilizer Color Calibrated Crosshair Dynamic Action Sync Flicker-free technology Game Mode HDR Effect Low Blue Light Nano IPS NVIDIA G-Sync Compatible Reader Mode Smart Energy Saving Sphere Lighting 2.0 True Color Pro Variable Backlight Wide Color Gamut |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CECP CEL ENERGY STAR RoHS Compliant TCO Certified Displays | Energy Star EPEAT Gold RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified | CE cUL TÜV-Typ FCC-B UL |
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 | 10 % - 80 % | 10 % - 80 % | 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 % | 5 % - 85 % |
| 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 Factory Calibration Report HDMI cable USB 3.0 upstream cable USB Type-C cable | DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable | DisplayPort cable HDMI cable |
Additional features
Information about other features.
| Additional features | Security lock slot | Security lock slot | - |
| Dell UltraSharp U3818DW | Dell U3421WE | LG 38GN950 |