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| General Info | ||
|---|---|---|
| Model Number | Samsung C34J791 | LG 27UL550 |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2018 | 2019 |
| Brand | Samsung | LG |
| Model Number | C34J791 | 27UL550 |
| Alias | LC34J791WTEXXS | 27UL550-W |
| Display | ||
| Screen Size Class | 34" (inches) | 27" (inches) |
| Diagonal Size | 34 in 86.4 cm 863.6 mm 2.83 ft |
26.96 in 68.5 cm 684.7 mm 2.25 ft |
| Screen Width | 31.49 in 80 cm 799.8 mm 2.62 ft |
23.49 in 59.7 cm 596.736 mm 1.96 ft |
| Screen Height | 13.18 in 33.5 cm 334.8 mm 1.1 ft |
13.22 in 33.6 cm 335.664 mm 1.1 ft |
| Display Curvature | 1500 | |
| Display Manufacturer | Samsung | |
| Display Type | SVA | IPS |
| Display Bit Depth | 8 bits | 10 bits (8 bits + FRC) |
| Frame Rate Control | No | Yes |
| Max Number of Colors | 16777216 | 1073741824 |
| Bits | 24 | 30 |
| Screen Aspect Ratio | 21:9 | 16:9 |
| Screen Resolution | 3440 x 1440 | 3840 x 2160 |
| Screen Pixel Pitch | 0.233 mm | 0.155 mm |
| Screen Pixel Density | 109 ppi | 163 ppi |
| Screen-to-Body Ratio | 91.27 % | 86.66 % |
| Backlight Source | Edge LED | W-LED |
| sRGB | 125 % | 98 % |
| Adobe RGB 1998 | 92 % | |
| Screen Brightness | 300 cd/m² | 300 cd/m² |
| Static Screen Contrast | 3000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 100000000 : 1 | |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 6 ms | |
| Display Minimum Response Time | 4 ms | 5 ms |
| Display Average Response Time | 14 ms | |
| Display Coating | Anti-glare/Matte (2H) | Anti-glare/Matte (3H) |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 6.57 in 16.7 cm 167 mm 0.55 ft |
1.81 in 4.6 cm 46 mm 0.15 ft |
| Case Weight | 6.3 kg 14 lbs |
4.4 kg 10 lbs |
| Case Width with Stand | 31.84 in 80.9 cm 808.7 mm 2.65 ft |
24.53 in 62.3 cm 623 mm 2.04 ft |
| Case Height with Stand | 20.31 in 51.6 cm 516 mm 1.69 ft |
18.19 in 46.2 cm 462 mm 1.52 ft |
| Case Depth with Stand | 12.18 in 30.9 cm 309.4 mm 1.02 ft |
9.06 in 23 cm 230 mm 0.75 ft |
| Case Weight with Stand | 7.7 kg 17 lbs |
6 kg 13 lbs |
| Case Color | White, Silver | White, Gray |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x DisplayPort 1.2 2 x Thunderbolt 3.0 1 x 3.5 mm Audio Out 2 x USB 2.0 (downstream) 1 x HDMI 1.4 |
1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4 |
| Audio | ||
| Audio Speakers | 2 x 7W | |
| Features | ||
| Cool Features | Eye Saver Mode Flicker-free technology Picture-by-Picture Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Eco Saving Plus |
Black Stabilizer Blue Light Filter Dynamic Action Sync HDCP (High-bandwidth Digital Content Protection) 2.2 Flicker-free technology DDC/CI 6-Axis Control Super Resolution+ AMD FreeSync technology |
| Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington |
| Ergonomics | ||
| Case Width | 31.84 in 80.9 cm 808.7 mm 2.65 ft |
24.53 in 62.3 cm 623 mm 2.04 ft |
| Case Height | 14.28 in 36.3 cm 362.8 mm 1.19 ft |
14.61 in 37.1 cm 371 mm 1.22 ft |
| Vesa Mount Support | Yes | Yes |
| VESA Interface Standard Size | 100 x 100 | 100 x 100 |
| Removable VESA Stand | Yes | Yes |
| Height Adjustment | Yes | Yes |
| Height Adjustment Range | 100 mm 10 cm 3.937 in 0.3281 ft |
110 mm 11 cm 4.3307 in 0.3609 ft |
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 90 ° | |
| Left or Right Swivel Support | No | No |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 2 ° | 5 ° |
| Backward Tilt | 34 ° | 15 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 100 Hz | 40 Hz - 61 Hz |
| Horizontal Digital Frequency | 30 kHz - 152 kHz | |
| Accessories | ||
| Extras | DisplayPort cable HDMI cable |
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| Certificates and Standards | ||
| Licenses | ENERGY STAR FCC Class B ISO9241-307 TÜV/Ergonomics |
C-Tick CCC CECP CEL cUL ENERGY STAR 7.0 Epeat Gold ErP FCC Class B KC RoHS Compliant TÜV/GS VCCI |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 10 °C - 40 °C 50 °F - 104 °F |
5 °C - 35 °C 41 °F - 95 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 85 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
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| Internal Storage Humidity | 5 % - 95 % |
| Samsung C34J791 | LG 27UL550 |
