Comparison between:
- 39.7" LG 40U990A
- 39.7" InnoCN 40C1U
- 39.7" Lenovo ThinkVision P40WD-40
- 34" Philips 34B2U5900C
Brand, series, model
Information about the brand, series, model and model aliases.
| LG 40U990A | InnoCN 40C1U | Lenovo ThinkVision P40WD-40 | Philips 34B2U5900C | |
| Series | UltraFine | - | - | 5000 |
 |  |  |  | |
| Model alias | UltraFine 40U990A 40U990A-W | - | - | 34B2U5900C/69 |
| Model year | 2025 | 2024 | 2025 | 2026 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 39.7 in | 39.7 in | 39.7 in | 34 in |
| Diagonal | 1008.59 mm 100.859 cm 39.7083 in 3.309 ft | 1003 mm 100.3 cm 39.4882 in 3.2907 ft | 1008.59 mm 100.859 cm 39.7083 in 3.309 ft | 862.1 mm 86.21 cm 33.9409 in 2.8284 ft |
| Width | 929.28 mm 92.928 cm 36.5858 in 3.0488 ft | 926.208 mm 92.6208 cm 36.4649 in 3.0387 ft | 929.28 mm 92.928 cm 36.5858 in 3.0488 ft | 795.34 mm 79.534 cm 31.3126 in 2.6094 ft |
| Height | 392.04 mm 39.204 cm 15.4346 in 1.2862 ft | 387.72 mm 38.772 cm 15.2646 in 1.272 ft | 392.04 mm 39.204 cm 15.4346 in 1.2862 ft | 332.75 mm 33.275 cm 13.1004 in 1.0917 ft |
| Radius of curvature | 2500 mm 250 cm 98.4252 in 8.2021 ft | - | 2500 mm 250 cm 98.4252 in 8.2021 ft | 1500 mm 150 cm 59.0551 in 4.9213 ft |
| Panel manufacturer | LG Display | LG Display | - | - |
| Panel model | LM400RW2-SSA1 | LM400RW1-SSA1 | - | - |
| Panel type | IPS | IPS-ADS | IPS | VA |
| Panel bit depth | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 8 bits | 8 bits |
| FRC | Yes | Yes | No | No |
| Colors | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 16777216 colors 24 bits | 16777216 colors 24 bits |
| Aspect ratio | 2.37:1 | 2.37:1 | 2.37:1 | 2.37:1 |
| Resolution | 5120 x 2160 pixels | 5120 x 2160 pixels | 5120 x 2160 pixels | 5120 x 2160 pixels |
| Pixel pitch | 0.182 mm 0.0182 cm 0.0071 in 0.0006 ft | 0.181 mm 0.0181 cm 0.0071 in 0.0006 ft | 0.182 mm 0.0182 cm 0.0071 in 0.0006 ft | 0.154 mm 0.0154 cm 0.0061 in 0.0005 ft |
| Pixel density | 140 ppi 55 ppcm | 140 ppi 55 ppcm | 140 ppi 55 ppcm | 163 ppi 64 ppcm |
| Display area | 91.57 % | 90.89 % | - | 88.87 % |
| Backlight | Edge LED (Local Dimming) | W-LED | W-LED | W-LED |
| sRGB | - | 99 % | 99 % | 122 % |
| Adobe RGB (1998) | - | 91 % | - | 83 % |
| NTSC (1953) | - | 88 % | - | 111 % |
| DCI P3 | 99 % | 97 % | 98 % | 95 % |
| Brightness | 450 cd/m² | 350 cd/m² | 400 cd/m² | 350 cd/m² |
| Peak brightness | 600 cd/m² | 400 cd/m² | - | 450 cd/m² |
| Static contrast | 2000 : 1 | 1200 : 1 | 2000 : 1 | 3000 : 1 |
| Dynamic contrast | - | - | - | 80000000 : 1 |
| HDR | HDR10 DisplayHDR 600 | DisplayHDR 400 | HDR10 | DisplayHDR 400 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 5 ms 0.0050 s | - | - | 2 ms 0.0020 s |
| Average response time | 14 ms 0.0140 s | 14 ms 0.0140 s | - | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
| Local dimming zones - 8 | - | - | - |
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 - 270 kHz |
| Vertical frequency (digital) | 48 Hz - 120 Hz | 48 Hz - 100 Hz | 24 Hz - 120 Hz | 48 Hz - 120 Hz |
| - | - | - | Dual mode WUHD @ 120 Hz WFHD @ 240 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 | 0.3 W | - |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.5 W | 0.3 W |
| Power consumption (eco) | - | - | - | 25 W |
| Power consumption (average) | 45 W | 70 W | 45 W | 37.35 W |
| Power consumption (maximum) | - | 190 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 | 947.7 mm 94.77 cm 37.311 in 3.1093 ft | 944.1 mm 94.41 cm 37.1693 in 3.0974 ft | 714.3 mm 71.43 cm 28.122 in 2.3435 ft | 807 mm 80.7 cm 31.7717 in 2.6476 ft |
| Height | 419.8 mm 41.98 cm 16.5276 in 1.3773 ft | 418.5 mm 41.85 cm 16.4764 in 1.373 ft | - | 369 mm 36.9 cm 14.5276 in 1.2106 ft |
| Depth | 106.3 mm 10.63 cm 4.185 in 0.3488 ft | 56.8 mm 5.68 cm 2.2362 in 0.1864 ft | - | 112 mm 11.2 cm 4.4094 in 0.3675 ft |
| Weight | 9.2 kg 20.28 lbs | 8.78 kg 19.36 lbs | - | 7.89 kg 17.39 lbs |
| Width with stand | 947.7 mm 94.77 cm 37.311 in 3.1093 ft | 944.1 mm 94.41 cm 37.1693 in 3.0974 ft | 714.3 mm 71.43 cm 28.122 in 2.3435 ft | 807 mm 80.7 cm 31.7717 in 2.6476 ft |
| Height with stand | 484.3 mm 48.43 cm 19.0669 in 1.5889 ft | 453.5 mm 45.35 cm 17.8543 in 1.4879 ft | 439.5 mm 43.95 cm 17.3031 in 1.4419 ft | 395 mm 39.5 cm 15.5512 in 1.2959 ft |
| Depth with stand | 260 mm 26 cm 10.2362 in 0.853 ft | 241.1 mm 24.11 cm 9.4921 in 0.791 ft | 218 mm 21.8 cm 8.5827 in 0.7152 ft | 281 mm 28.1 cm 11.063 in 0.9219 ft |
| Weight with stand | 14.1 kg 31.09 lbs | 12.56 kg 27.69 lbs | 13.5 kg 29.76 lbs | 10.68 kg 23.55 lbs |
| Box width | 1206 mm 120.6 cm 47.4803 in 3.9567 ft | - | - | 980 mm 98 cm 38.5827 in 3.2152 ft |
| Box height | 534 mm 53.4 cm 21.0236 in 1.752 ft | - | - | 525 mm 52.5 cm 20.6693 in 1.7224 ft |
| Box depth | 201 mm 20.1 cm 7.9134 in 0.6594 ft | - | - | 188 mm 18.8 cm 7.4016 in 0.6168 ft |
| Box weight | 17.8 kg 39.24 lbs | 16.16 kg 35.63 lbs | - | 15.81 kg 34.86 lbs |
| Stand depth | 260 mm 26 cm 10.2362 in 0.853 ft | 241.1 mm 24.11 cm 9.4921 in 0.791 ft | 218 mm 21.8 cm 8.5827 in 0.7152 ft | 281 mm 28.1 cm 11.063 in 0.9219 ft |
| Colors | White and Silver | Black | Black | Charcoal 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 | 120 mm 12 cm 4.7244 in 0.3937 ft | 155 mm 15.5 cm 6.1024 in 0.5085 ft | 180 mm 18 cm 7.0866 in 0.5906 ft |
| Landscape/portrait pivot | No | No | No | No |
| Left/right swivel | Yes | Yes | Yes | Yes |
| Left swivel | 20 ° | 30 ° | 45 ° | 180 ° |
| Right swivel | 20 ° | 30 ° | 45 ° | 180 ° |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 5 ° |
| Backward tilt | 20 ° | 15 ° | 23.5 ° | 30 ° |
| - | Cable management | - | Headphone hook |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 10 W | 2 x 5 W | 2 x 10 W | 2 x 5 W |
| Rich Bass | - | Rich Bass | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
Network
Supported network technologies and standards for exchanging data with other devices.
| Network | - | - | LAN | LAN |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; data only) 4 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream) 2 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream) 1 x Ethernet RJ45 2 x HDMI 2.1 (DSC) 1 x DisplayPort 2.1 (UHBR20) 1 x Thunderbolt 5.0 (out; 80 Gbps; 15W) 1 x Thunderbolt 5.0 (in; 80 Gbps; 96W) 1 x 3.5 mm Audio Out (4-pole) | 1 x USB 3.0 (Type-B; upstream) 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode) 2 x HDMI 2.1 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x USB 3.2 (Type-C; Gen 1; 5 Gbps; 15W) 5 x USB 3.2 (Type-A; Gen 1; 5 Gbps; downstream) 1 x Ethernet RJ45 (2.5 Gbps) 1 x HDMI 2.1 1 x DisplayPort 1.4 (out) 1 x DisplayPort 1.4 (in; HBR3) 1 x Thunderbolt 4.0 (out; 40 Gbps; 15W) 1 x Thunderbolt 4.0 (in; 40 Gbps; 140W; DP Alt Mode) | 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; 140W; DP Alt Mode) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; data only; 15W) 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; data only) 3 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream) 1 x Ethernet RJ45 (2.5 Gbps) 2 x HDMI 2.1 1 x DisplayPort 1.4 (HBR3) 1 x 3.5 mm Audio Out |
| High-bandwidth Digital Content Protection (HDCP) 2.2 Daisy Chaining | High-bandwidth Digital Content Protection (HDCP) 2.2 | High-bandwidth Digital Content Protection (HDCP) 2.2 Daisy Chaining | High-bandwidth Digital Content Protection (HDCP) 2.3 |
Features
Some additional functional features of the model.
| Features | 3-sided virtually borderless design AMD Freesync Premium Ambient Light Sensor Auto Input Switch Backlight Sensor Color Weakness Mode Dual Controller Flicker-free technology IPS Black KVM Switch Low Blue Light Picture-by-Picture Picture-in-Picture Reader Mode | 3-sided borderless design Adaptive-Sync technology AMD FreeSync Premium Crosshair Flicker-free technology Low Blue Light Overdrive Picture-by-Picture Picture-in-Picture | 4-sided ultra-thin design AMD Freesync Premium Ambient Light Sensor Auto Input Switch Backlight Sensor Color Weakness Mode Dual Controller Flicker-free technology IPS Black KVM Switch Low Blue Light Picture-by-Picture Picture-in-Picture Reader Mode | Adaptive-Sync technology EasyRead EasySelect EyeSafe Flicker-free technology LightSensor Low Blue Light Mega Infinity DCR MultiView Picture-by-Picture Picture-in-Picture PowerSensor Separate Sync SmartContrast SmartControl SmartImage Smart KVM SmartUniformity Sync on Green |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CE Energy Star EPA EPEAT Bronze FCC-B J-Moss RoHS TCO Certified Displays TÜV Rheinland Eye Comfort 3.0 Certified (5-star) UL(cUL) VCCI | - | Energy Star RoHS TCO Certified Displays TÜV Rheinland Eye Comfort 3.0 Certified (5-star) | CB CCC CE Mark CECP CEL EAC EAEU RoHS EMF Energy Star Eyesafe Certified 2.0 FCC Class B ICES-003 KCC TCO Certified TCO Certified Edge TUV Ergo TUV/GS TÜV Rheinland Low Blue Light Certified (Hardware Solution) |
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 % - 80 % | 20 % - 80 % |
| Operating altitude | 5000 m 16404.2 ft | - | 5000 m 16404.2 ft | 3658 m 12001.3 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 % - 85 % | 0 % - 85 % | 5 % - 85 % | 10 % - 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 2.1 cable HDMI 2.1 cable Thunderbolt 5 cable USB Type-C to Type-C cable | DisplayPort cable USB Type-C cable | DisplayPort cable HDMI cable Thunderbolt 4 cable USB Type-C to Type-C cable | DisplayPort cable HDMI cable USB Type-C to Type-A/C 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 | Anti-theft stand lock slot - Kensington |
| LG 40U990A | InnoCN 40C1U | Lenovo ThinkVision P40WD-40 | Philips 34B2U5900C |