Comparison between:
- 27" Dell U2720Q
- 34" LG 34WK95U
- 34.18" Dell Alienware AW3423DWF
- 31.6" Dell Alienware AW3225QF
Brand, series, model
Information about the brand, series, model and model aliases.
| Dell U2720Q | LG 34WK95U | Dell Alienware AW3423DWF | Dell Alienware AW3225QF | |
| Series | UltraSharp | - | - | - |
 |  |  |  | |
| Model alias | UltraSharp U2720Q U2720QM | - | - | - |
| Model year | 2020 | 2018 | 2022 | 2024 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 27 in | 34 in | 34.18 in | 31.6 in |
| Diagonal | 684.7 mm 68.47 cm 26.9567 in 2.2464 ft | 863.6 mm 86.36 cm 34 in 2.8333 ft | 868.21 mm 86.821 cm 34.1815 in 2.8485 ft | 803.2 mm 80.32 cm 31.622 in 2.6352 ft |
| Width | 596.736 mm 59.6736 cm 23.4935 in 1.9578 ft | 793.77 mm 79.377 cm 31.2508 in 2.6042 ft | 800.1 mm 80.01 cm 31.5 in 2.625 ft | 699.48 mm 69.948 cm 27.5386 in 2.2949 ft |
| Height | 335.664 mm 33.5664 cm 13.2151 in 1.1013 ft | 340.19 mm 34.019 cm 13.3933 in 1.1161 ft | 337.1 mm 33.71 cm 13.2717 in 1.106 ft | 394.73 mm 39.473 cm 15.5406 in 1.295 ft |
| Radius of curvature | - | - | 1800 mm 180 cm 70.8661 in 5.9055 ft | 1700 mm 170 cm 66.9291 in 5.5774 ft |
| Panel manufacturer | LG Display | LG Display | Samsung | Samsung |
| Panel model | LM270WR5-SSF1 | - | - | - |
| Panel type | IPS | AH-IPS | QD-OLED | QD-OLED |
| Panel bit depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 10 bits | 10 bits |
| FRC | Yes | Yes | - | No |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 2.37:1 | 2.389:1 | 1.778:1 16:9 |
| Resolution | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 5120 x 2160 pixels | 3440 x 1440 pixels | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p |
| Pixel pitch | 0.155 mm 0.0155 cm 0.0061 in 0.0005 ft | 0.155 mm 0.0155 cm 0.0061 in 0.0005 ft | 0.23 mm 0.023 cm 0.0091 in 0.0008 ft | 0.181 mm 0.0181 cm 0.0071 in 0.0006 ft |
| Pixel density | 163 ppi 64 ppcm | 164 ppi 64 ppcm | 109 ppi 42 ppcm | 139 ppi 54 ppcm |
| Display area | 92.04 % | 91.87 % | 90.85 % | 91.45 % |
| Backlight | W-LED | W-LED | - | - |
| sRGB | 99 % | 99 % | 149 % | 100 % |
| Adobe RGB (1998) | 89 % | 85 % | - | - |
| DCI P3 | 95 % | 98 % | 99.3 % | 99.3 % |
| Rec. 2020 | - | 70 % | - | - |
| Brightness | 350 cd/m² | 450 cd/m² | 250 cd/m² | 250 cd/m² |
| Peak brightness | 450 cd/m² | 700 cd/m² | 1000 cd/m² | 1000 cd/m² |
| Static contrast | 1300 : 1 | 1200 : 1 | - | 1500000 : 1 |
| Dynamic contrast | - | - | 1000000 : 1 | - |
| HDR | DisplayHDR 400 | DisplayHDR 600 | HDR10 DisplayHDR 400 True Black | DisplayHDR 400 True Black HDR10 Dolby Vision |
| 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 | 0.1 ms 0.0001 s | 0.03 ms 0.0000 s |
| Average response time | 8 ms 0.0080 s | 14 ms 0.0140 s | 3.3 ms 0.0033 s | - |
| Maximum response time | - | - | - | 2.6 ms 0.0026 s |
| Input lag | 9 ms 0.0090 s | 10 ms 0.0100 s | 3.5 ms 0.0035 s | 2.9 ms 0.0029 s |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Glossy | Glossy |
| - | - | Anti-reflective glossy coating | - |
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) | 30 kHz - 140 kHz | 30 kHz - 135 kHz | 30 kHz - 274 kHz | - |
| Vertical frequency (digital) | 24 Hz - 75 Hz | 48 Hz - 61 Hz | 48 Hz - 165 Hz | 48 Hz - 240 Hz |
| - | - | DisplayPort - 31 kHz - 274 kHz; 48 Hz - 165 Hz HDMI - 30 kHz - 150 kHz; 24 Hz - 120 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) | 2.5 A | - | - | - |
| Power consumption (off) | 0.3 W | 0.3 W | 0.3 W | 0.3 W |
| Power consumption (sleep) | 0.3 W | 1.2 W | 0.5 W | 0.5 W |
| Power consumption (average) | 33 W | 54.78 W | 34 W | 42.5 W |
| Power consumption (maximum) | 200 W | 80 W | - | 190 W |
| Energy efficiency class | - | B | - | G |
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 | 611.3 mm 61.13 cm 24.0669 in 2.0056 ft | 816.9 mm 81.69 cm 32.1614 in 2.6801 ft | 815.25 mm 81.525 cm 32.0965 in 2.6747 ft | 715.56 mm 71.556 cm 28.1717 in 2.3476 ft |
| Height | 356 mm 35.6 cm 14.0157 in 1.168 ft | 359.8 mm 35.98 cm 14.1654 in 1.1804 ft | 364.15 mm 36.415 cm 14.3366 in 1.1947 ft | 421.92 mm 42.192 cm 16.611 in 1.3843 ft |
| Depth | 49.7 mm 4.97 cm 1.9567 in 0.1631 ft | 57.1 mm 5.71 cm 2.248 in 0.1873 ft | 137.11 mm 13.711 cm 5.398 in 0.4498 ft | 106.44 mm 10.644 cm 4.1906 in 0.3492 ft |
| Weight | 4.4 kg 9.7 lbs | 7.5 kg 16.53 lbs | 6.92 kg 15.26 lbs | 6 kg 13.23 lbs |
| Width with stand | 611.3 mm 61.13 cm 24.0669 in 2.0056 ft | 816.9 mm 81.69 cm 32.1614 in 2.6801 ft | 815.25 mm 81.525 cm 32.0965 in 2.6747 ft | 715.56 mm 71.556 cm 28.1717 in 2.3476 ft |
| Height with stand | 395.2 mm 39.52 cm 15.5591 in 1.2966 ft | 449 mm 44.9 cm 17.6772 in 1.4731 ft | 415.57 mm 41.557 cm 16.361 in 1.3634 ft | 472.77 mm 47.277 cm 18.613 in 1.5511 ft |
| Depth with stand | 185 mm 18.5 cm 7.2835 in 0.607 ft | 234.3 mm 23.43 cm 9.2244 in 0.7687 ft | 305.71 mm 30.571 cm 12.0358 in 1.003 ft | 305.72 mm 30.572 cm 12.0362 in 1.003 ft |
| Weight with stand | 6.6 kg 14.55 lbs | 8.8 kg 19.4 lbs | 10.37 kg 22.86 lbs | - |
| Box weight | 9.6 kg 21.16 lbs | - | 15.9 kg 35.05 lbs | 14.39 kg 31.72 lbs |
| Stand width | - | - | 430.72 mm 43.072 cm 16.9575 in 1.4131 ft | - |
| Stand height | - | - | 382.12 mm 38.212 cm 15.0441 in 1.2537 ft | - |
| Stand depth | - | - | 305.71 mm 30.571 cm 12.0358 in 1.003 ft | 305.72 mm 30.572 cm 12.0362 in 1.003 ft |
| Colors | Black | Black Gray | White and Black | Black and 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 | Yes | Yes |
| Height adjustment range | 130 mm 13 cm 5.1181 in 0.4265 ft | 110 mm 11 cm 4.3307 in 0.3609 ft | 110 mm 11 cm 4.3307 in 0.3609 ft | 110 mm 11 cm 4.3307 in 0.3609 ft |
| Landscape/portrait pivot | Yes | No | No | No |
| Left pivot | 90 ° | - | - | - |
| Right pivot | 90 ° | - | - | - |
| Left/right swivel | Yes | No | Yes | Yes |
| Left swivel | 45 ° | - | 20 ° | 20 ° |
| Right swivel | 45 ° | - | 20 ° | 20 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 21 ° | 15 ° | 21 ° | 21 ° |
| - | - | Slant adjust - -5° to 5° | Cable management Lunar Light base |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | 2 x 5 W | - | - |
| - | Rich Bass | - | - |
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-C; upstream; 90W; DP Alt Mode) 1 x USB 3.0 (Type-C; downstream; 15W) 1 x USB 3.0 (Type-A; downstream; BC 1.2 charging at 2A) 2 x USB 3.0 (Type-A; downstream) 1 x HDMI 2.0 (CEC) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 1 x USB (Type-C via Thunderbolt 3) 1 x USB 3.0 (upstream) 2 x USB 3.0 (downstream) 2 x HDMI 2.0 1 x DisplayPort 1.4 1 x Thunderbolt 3.0 1 x 3.5 mm Audio Out | 1 x USB 3.2 (Type-B; Gen 1; 5 Gbps upstream) 4 x USB 3.2 (Type-A; Gen 1; 5 Gbps downstream) 1 x HDMI 2.0 2 x DisplayPort 1.4 1 x 3.5 mm Audio Out (headphones) 1 x 3.5 mm Audio Out | 1 x USB 3.2 (Type-C; downstream) 1 x USB 3.2 (Type-B; Gen1; 5 Gbps; upstream) 3 x USB 3.2 (Type-A; Gen 1; 5 Gbps; downstream) 2 x HDMI 2.1 1 x DisplayPort 1.4 (DSC) |
| High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) 2.2 | - | High-bandwidth Digital Content Protection (HDCP) 2.2 Fixed Rate Link (FRL) |
Features
Some additional functional features of the model.
| Features | Flicker-free technology Low Blue Light | 6-Axis Control DDC/CI Dynamic Action Sync Local Dimming Nano IPS Picture-by-Picture Picture-in-Picture Screen Split 2.0 Super Resolution+ True Color Pro | 3-sided bezelless design 360-degree ventilation 5-axis OSD joystick AlienFX Lighting AMD FreeSync Premium Pro Ambient Light Sensor ComfortView Plus Flicker-free technology Legend 2.0 ID Low Blue Light NVIDIA G-Sync compatible Quantum Dot Color Stadium Loop AlienFX Lighting VESA AdaptiveSync Display | 3-zone AlienFX lights 360-degree ventilation Adaptive-Sync technology AlienVision ComfortView Plus Console Mode Dell Display Manager Flicker-free technology KVM Switch Low Blue Light NVIDIA G-Sync Compatible OSD Joystick Picture-by-Picture Picture-in-Picture Quantum Dot Color VESA AdaptiveSync Display 240 |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant TCO | BSMI CCC CE cTick ENERGY STAR 7.0 ErP FCC Class B UL/cUL | RoHS TUV Rheinland Low Blue Light (Hardware Solution) | CE FCC-B RoHS TÜV Rheinland Flicker Free Certification TÜV Rheinland Low Blue Light Certification (Hardware Solution) WEEE |
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 | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 10 % - 80 % | 10 % - 80 % | 10 % - 90 % | 10 % - 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 | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F |
| Storage humidity | 5 % - 90 % | 5 % - 85 % | 10 % - 80 % | 5 % - 90 % |
| Storage altitude | 12192 m 40000 ft | - | 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 (U2720Q) HDMI cable (U2720QM) USB Type-C to Type-C cable USB Type-C to Type-A cable | DisplayPort cable Thunderbolt cable USB 3.0 upstream cable | DisplayPort to DisplayPort cable Mini DisplayPort to DisplayPort cable HDMI cable USB 3.2 Type-B cable | DisplayPort cable HDMI cable USB Type-A to Type-B cable |
Additional features
Information about other features.
| Additional features | Security lock slot | Anti-theft stand lock slot | Security lock slot | Anti-theft stand lock slot - Kensington |
| Dell U2720Q | LG 34WK95U | Dell Alienware AW3423DWF | Dell Alienware AW3225QF |