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| General Info | ||
|---|---|---|
| Model Number | Lenovo Q27q-20 | Dell UltraSharp U2515H |
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| Price | ||
| Type | Monitor | Monitor |
| Year | 2020 | 2014 |
| Brand | Lenovo | Dell |
| Model Number | Q27q-20 | UltraSharp U2515H |
| Alias | 66EFGAC3 | |
| Display | ||
| Screen Size Class | 27" (inches) | 25" (inches) |
| Diagonal Size | 26.96 in 68.5 cm 684.7 mm 2.25 ft |
24.98 in 63.4 cm 634.4 mm 2.08 ft |
| Screen Width | 23.49 in 59.7 cm 596.736 mm 1.96 ft |
21.77 in 55.3 cm 552.96 mm 1.81 ft |
| Screen Height | 13.22 in 33.6 cm 335.664 mm 1.1 ft |
12.25 in 31.1 cm 311.04 mm 1.02 ft |
| Display Manufacturer | LG Display | |
| Display Type | IPS | AH-IPS |
| Display Bit Depth | 8 bits (6 bits + FRC) | 8 bits |
| Frame Rate Control | Yes | No |
| Max Number of Colors | 16777216 | 16777216 |
| Bits | 24 | 24 |
| Screen Aspect Ratio | 16:9 | 16:9 |
| Screen Resolution | 2560 x 1440 | 2560 x 1440 |
| Screen Pixel Pitch | 0.233 mm | 0.216 mm |
| Screen Pixel Density | 109 ppi | 117 ppi |
| Screen-to-Body Ratio | 89.66 % | 89.24 % |
| Backlight Source | W-LED | W-LED |
| sRGB | 120 % | 99 % |
| NTSC 1953 | 72 % | |
| Screen Brightness | 300 cd/m² | 350 cd/m² |
| Static Screen Contrast | 1000 : 1 | 1000 : 1 |
| Dynamic Screen Contrast | 3000000 : 1 | 2000000 : 1 |
| Screen Horizontal Viewing Angle | 178 ° | 178 ° |
| Screen Vertical Viewing Angle | 178 ° | 178 ° |
| Screen Input Lag | 13.7 ms | |
| Display Minimum Response Time | 4 ms | 6 ms |
| Display Average Response Time | 6 ms | |
| Display Maximum Response Time | 8 ms | |
| Display Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| HDR | HDR10 | |
| 3D | No | No |
| Size, weight, color | ||
| Case Depth | 1.56 in 4 cm 39.5 mm 0.13 ft |
1.83 in 4.6 cm 46.4 mm 0.15 ft |
| Case Weight | 3.4 kg 7 lbs |
4.4 kg 10 lbs |
| Case Width with Stand | 24.14 in 61.3 cm 613.14 mm 2.01 ft |
22.4 in 56.9 cm 569 mm 1.87 ft |
| Case Height with Stand | 16.45 in 41.8 cm 417.8 mm 1.37 ft |
15.67 in 39.8 cm 398 mm 1.31 ft |
| Case Depth with Stand | 7.88 in 20 cm 200.2 mm 0.66 ft |
8.07 in 20.5 cm 205 mm 0.67 ft |
| Case Weight with Stand | 5.3 kg 12 lbs |
6.5 kg 14 lbs |
| Case Color | Raven Black | Black, Silver |
| Hardware | ||
| Built-in Camera | No | No |
| Connectivity | 1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.4 |
2 x HDMI 1.4 (MHL 2.0) 1 x DisplayPort 1.2 1 x DisplayPort 1.2 (Output MST) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (Input mini) 5 x USB 3.0 (downstream) 1 x USB 3.0 (upstream) |
| Audio | ||
| Audio Speakers | 2 x 3W | |
| Features | ||
| Cool Features | Flicker-free technology Lenovo Artery Natural Low Blue Light 3-side NearEdgeless Design AMD FreeSync technology |
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| Extra Features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot Security lock slot |
| Ergonomics | ||
| Case Width | 24.14 in 61.3 cm 613.14 mm 2.01 ft |
22.4 in 56.9 cm 569 mm 1.87 ft |
| Case Height | 14.34 in 36.4 cm 364.36 mm 1.2 ft |
13.33 in 33.9 cm 338.7 mm 1.11 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 | 80 mm 8 cm 3.1496 in 0.2625 ft |
115 mm 11.5 cm 4.5276 in 0.3773 ft |
| Landscape or Portrait Pivot Support | No | Yes |
| Left Pivot | 90 ° | |
| Right Pivot | 0 ° | |
| Left or Right Swivel Support | No | Yes |
| Left Swivel | 45 ° | |
| Right Swivel | 45 ° | |
| Forward and Backward Tilt Support | Yes | Yes |
| Forward Tilt | 5 ° | 5 ° |
| Backward Tilt | 22 ° | 21 ° |
| Frequency and Interpolation | ||
| Vertical Digital Frequency | 48 Hz - 75 Hz | 56 Hz - 86 Hz |
| Horizontal Digital Frequency | 15 kHz - 110 kHz | 30 kHz - 113 kHz |
| Screen Interpolation Measurement Unit | NULL | |
| Accessories | ||
| Extras | HDMI cable | DisplayPort cable - mini-DP to DP Factory calibration report HDMI cable USB 3.0 upstream cable |
| Certificates and Standards | ||
| Licenses | CCC China Energy Efficiency Standard Tier 1 Eyesafe Display Certification RoHS (EU 2002/95/EC) TÜV Rheinland Eye Comfort TÜV Rheinland Low Blue Light (Hardware Solution) Windows 7 Windows 10 |
ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays |
| Usage and Storage Requirements | ||
| Safe Operating Temperature Level | 0 °C - 40 °C 32 °F - 104 °F |
0 °C - 40 °C 32 °F - 104 °F |
| Safe Operating Humidity Level | 10 % - 80 % | 10 % - 80 % |
| Internal Storage Temperature | -20 °C - 60 °C -4 °F - 140 °F |
-20 °C - 60 °C -4 °F - 140 °F |
| Internal Storage Humidity | 5 % - 95 % | 5 % - 90 % |
| Max Operating Altitude | 5000 | |
| Max Storage Altitude | 12192 |
| Lenovo Q27q-20 | Dell UltraSharp U2515H |
