Comparison between:
- 34" Samsung C34J791
- 34" Acer Predator X34P
- 43.4" Philips 439P9H
- 43.4" Lenovo ThinkVision P44w-10
Brand, series, model
Information about the brand, series, model and model aliases.
| Samsung C34J791 | Acer Predator X34P | Philips 439P9H | Lenovo ThinkVision P44w-10 | |
| Series | - | - | P-Line | - |
 |  |  |  | |
| Model alias | LC34J791WTEXXS | X34Pbmiphzx | 439P9H1 439P9H/01 439P9H/00 | - |
| Model year | 2018 | 2017 | 2019 | 2019 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 34 in | 34 in | 43.4 in | 43.4 in |
| Diagonal | 863.6 mm 86.36 cm 34 in 2.8333 ft | 863.6 mm 86.36 cm 34 in 2.8333 ft | 1102.47 mm 110.247 cm 43.4043 in 3.617 ft | 1102.47 mm 110.247 cm 43.4043 in 3.617 ft |
| Width | 799.8 mm 79.98 cm 31.4882 in 2.624 ft | 799.8 mm 79.98 cm 31.4882 in 2.624 ft | 1052.3 mm 105.23 cm 41.4291 in 3.4524 ft | 1052.3 mm 105.23 cm 41.4291 in 3.4524 ft |
| Height | 334.8 mm 33.48 cm 13.1811 in 1.0984 ft | 334.8 mm 33.48 cm 13.1811 in 1.0984 ft | 328.8 mm 32.88 cm 12.9449 in 1.0787 ft | 328.8 mm 32.88 cm 12.9449 in 1.0787 ft |
| Radius of curvature | 1500 mm 150 cm 59.0551 in 4.9213 ft | 1900 mm 190 cm 74.8031 in 6.2336 ft | 1800 mm 180 cm 70.8661 in 5.9055 ft | 1800 mm 180 cm 70.8661 in 5.9055 ft |
| Panel manufacturer | Samsung | - | - | - |
| Panel type | SVA | IPS | VA | VA |
| Panel bit depth | 8 bits | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) | 10 bits (8 bits + FRC) |
| FRC | No | Yes | Yes | Yes |
| Colors | 16777216 colors 24 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 2.389:1 | 2.389:1 | 3.2:1 | 3.2:1 |
| Resolution | 3440 x 1440 pixels | 3440 x 1440 pixels | 3840 x 1200 pixels | 3840 x 1200 pixels |
| 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 | 0.274 mm 0.0274 cm 0.0108 in 0.0009 ft | 0.274 mm 0.0274 cm 0.0108 in 0.0009 ft |
| Pixel density | 109 ppi 43 ppcm | 109 ppi 43 ppcm | 92 ppi 36 ppcm | 92 ppi 36 ppcm |
| Display area | 91.27 % | - | 90.59 % | - |
| Backlight | Edge LED | W-LED | W-LED | W-LED |
| sRGB | 125 % | 100 % | 123 % | 99.5 % |
| Adobe RGB (1998) | 92 % | 72 % | 91 % | - |
| NTSC (1953) | - | 72 % | 105 % | - |
| DCI P3 | - | - | 95 % | 90 % |
| Brightness | 300 cd/m² | 300 cd/m² | 450 cd/m² | 380 cd/m² |
| Peak brightness | - | - | - | 450 cd/m² |
| Static contrast | 3000 : 1 | 1000 : 1 | 3000 : 1 | 3000 : 1 |
| Dynamic contrast | 100000000 : 1 | 100000000 : 1 | 80000000 : 1 | - |
| HDR | - | - | DisplayHDR 400 | HDR DisplayHDR 400 |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | - |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | - |
| Minimum response time | 4 ms 0.0040 s | 4 ms 0.0040 s | 5 ms 0.0050 s | 4 ms 0.0040 s |
| Average response time | 14 ms 0.0140 s | 14 ms 0.0140 s | - | - |
| Input lag | 6 ms 0.0060 s | 13 ms 0.0130 s | - | - |
| Coating | Anti-glare/Matte (2H) | Anti-glare/Matte (3H) | Anti-glare/Matte (2H) | Anti-glare/Matte |
| - | - | BT. 709 Coverage - 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 | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 30 kHz - 152 kHz | 30 kHz - 180 kHz | 30 kHz - 150 kHz | - |
| Vertical frequency (digital) | 48 Hz - 100 Hz | 24 Hz - 120 Hz | 48 Hz - 100 Hz | 144 Hz |
| - | DisplayPort - 73 kHz - 180 kHz; 30 Hz - 120 Hz HDMI - 30 kHz - 140 kHz; 24 Hz - 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 | 0.4 W | - | 0.5 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.4 W | 0.5 W |
| Power consumption (eco) | 65 W | - | 36.2 W | - |
| Power consumption (average) | 180 W | 57 W | 41.8 W | 70 W |
| Power consumption (maximum) | - | 66 W | - | 250 W |
| Power consumption (annual) | - | 148 kWh | 95 kWh | - |
| Energy efficiency class | - | C | B | - |
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 | 808.7 mm 80.87 cm 31.8386 in 2.6532 ft | - | 1058 mm 105.8 cm 41.6535 in 3.4711 ft | - |
| Height | 362.8 mm 36.28 cm 14.2835 in 1.1903 ft | - | 361 mm 36.1 cm 14.2126 in 1.1844 ft | - |
| Depth | 167 mm 16.7 cm 6.5748 in 0.5479 ft | - | 137 mm 13.7 cm 5.3937 in 0.4495 ft | - |
| Weight | 6.3 kg 13.89 lbs | 6.76 kg 14.9 lbs | 10.34 kg 22.8 lbs | - |
| Width with stand | 808.7 mm 80.87 cm 31.8386 in 2.6532 ft | 817 mm 81.7 cm 32.1654 in 2.6804 ft | 1058 mm 105.8 cm 41.6535 in 3.4711 ft | 1058.3 mm 105.83 cm 41.6654 in 3.4721 ft |
| Height with stand | 516 mm 51.6 cm 20.315 in 1.6929 ft | 570.7 mm 57.07 cm 22.4685 in 1.8724 ft | 460 mm 46 cm 18.1102 in 1.5092 ft | 591.1 mm 59.11 cm 23.2717 in 1.9393 ft |
| Depth with stand | 309.4 mm 30.94 cm 12.1811 in 1.0151 ft | 299 mm 29.9 cm 11.7717 in 0.981 ft | 303 mm 30.3 cm 11.9291 in 0.9941 ft | 269.8 mm 26.98 cm 10.622 in 0.8852 ft |
| Weight with stand | 7.7 kg 16.98 lbs | 9.71 kg 21.41 lbs | 14.37 kg 31.68 lbs | 13.45 kg 29.65 lbs |
| Box width | - | - | 1150 mm 115 cm 45.2756 in 3.773 ft | 479.9 mm 47.99 cm 18.8937 in 1.5745 ft |
| Box height | - | - | 525 mm 52.5 cm 20.6693 in 1.7224 ft | 196.8 mm 19.68 cm 7.748 in 0.6457 ft |
| Box depth | - | - | 350 mm 35 cm 13.7795 in 1.1483 ft | 148 mm 14.8 cm 5.8268 in 0.4856 ft |
| Box weight | - | - | 20.19 kg 44.51 lbs | 18.59 kg 40.98 lbs |
| Colors | White Silver | Black | Black | Black |
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 200 x 200 mm | 100 x 100 mm | 100 x 100 mm | - |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes | Yes |
| Height adjustment range | 100 mm 10 cm 3.937 in 0.3281 ft | 130 mm 13 cm 5.1181 in 0.4265 ft | 130 mm 13 cm 5.1181 in 0.4265 ft | - |
| Landscape/portrait pivot | No | No | No | No |
| Left/right swivel | No | Yes | Yes | Yes |
| Left swivel | - | 300 ° | 20 ° | - |
| Right swivel | - | 30 ° | 20 ° | - |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 2 ° | 5 ° | 5 ° | - |
| Backward tilt | 34 ° | 35 ° | 10 ° | - |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 7 W | 2 x 7 W | 2 x 5 W | - |
| - | DTS | - | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | Yes | No |
| Image resolution | - | - | 1920 x 1080 pixels 2.07 MP | - |
| Video resolution | - | - | 1920 x 1080 pixels 2.07 MP | - |
| - | - | Microphone LED indicator | - |
Network
Supported network technologies and standards for exchanging data with other devices.
| Network | - | - | LAN | - |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 2 x USB 2.0 (downstream) 1 x HDMI 1.4 1 x DisplayPort 1.2 2 x Thunderbolt 3.0 1 x 3.5 mm Audio Out | 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) 1 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 3 x USB 3.2 (downstream) 1 x USB 3.2 (downstream; BC 1.2) 1 x USB 3.2 (Type C; Gen 1; 15W) 1 x USB 3.2 (Type C; Gen 1; 75W) 1 x Ethernet RJ45 1 x HDMI 2.0 (b) 2 x DisplayPort 1.4 1 x 3.5 mm Audio Out | 2 x USB 3.0 (Type-C - 90 W) 3 x USB 3.1 (downstream) 1 x USB 3.1 (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) 2.2 | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | AMD FreeSync technology Eco Saving Plus Eye Saver Mode Flicker-free technology Picture-by-Picture Picture-in-Picture | Flicker-free technology Nvidia G-SYNC Technology Picture-By-Picture Picture-in-Picture ZeroFrame | Adaptive-Sync Technology Flicker-free technology Low Blue Light KVM switch MultiView Picture-by-Picture Picture-in-Picture SmartImage SmartUniformity | AMD FreeSync 2 technology DDC/CI Low Blue Light Picture-by-Picture Picture-in-Picture |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | ENERGY STAR FCC Class B ISO9241-307 TÜV/Ergonomics | ENERGY STAR TCO Displays | ENERGY STAR 8.0 EPEAT TCO CE Mark FCC Class B UKRAINIAN CU-EAC TUV/GS TUV Ergo SEMKO EPA ICES-003 | BSMI C-Tick CCC CE CECP ENERGY STAR 7.1 FCC Class B KC RoHS TCO Certified Displays 8.0 TÜV Eye Comfort VCCI WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7) |
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 | 10 °C - 40 °C 50 °F - 104 °F | - | 0 °C - 40 °C 32 °F - 104 °F | 0 °C - 45 °C 32 °F - 113 °F |
| Operating humidity | 10 % - 80 % | - | 20 % - 80 % | 10 % - 80 % |
| Operating altitude | - | - | 3658 m 12001.3 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 % - 95 % | - | 20 % - 80 % | 5 % - 95 % |
| 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 USB 3.0 cable | HDMI cable DisplayPort cable USB-C to C/A | DisplayPort cable HDMI cable USB Type-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 |
| Samsung C34J791 | Acer Predator X34P | Philips 439P9H | Lenovo ThinkVision P44w-10 |