Comparison between:
- 23" HP Z23i
- 23" Dell UltraSharp U2311H
Brand, series, model
Information about the brand, series, model and model aliases.
| HP Z23i | Dell UltraSharp U2311H | |
| Series | - | UltraSharp |
 |  | |
| Model alias | D7Q13A4 | - |
| Model year | 2013 | 2010 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 23 in | 23 in |
| Diagonal | 584.2 mm 58.42 cm 23 in 1.9167 ft | 584.2 mm 58.42 cm 23 in 1.9167 ft |
| Width | 509.184 mm 50.9184 cm 20.0466 in 1.6706 ft | 509.184 mm 50.9184 cm 20.0466 in 1.6706 ft |
| Height | 286.416 mm 28.6416 cm 11.2762 in 0.9397 ft | 286.416 mm 28.6416 cm 11.2762 in 0.9397 ft |
| Panel manufacturer | LG Display | LG Display |
| Panel model | LM230WF3-SLL1 | LM230WF2 |
| Panel type | AH-IPS | e-IPS |
| Panel bit depth | 8 bits (6 bits + FRC) | 8 bits (6 bits + FRC) |
| FRC | Yes | Yes |
| Colors | 16777216 colors 24 bits | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p | 1920 x 1080 pixels Full HD / 1080p |
| Pixel pitch | 0.265 mm 0.0265 cm 0.0104 in 0.0009 ft | 0.265 mm 0.0265 cm 0.0104 in 0.0009 ft |
| Pixel density | 95 ppi 37 ppcm | 95 ppi 37 ppcm |
| Display area | 81.48 % | 81.87 % |
| Backlight | W-LED | CCFL |
| sRGB | 95 % | 100 % |
| Adobe RGB (1998) | - | 69 % |
| NTSC (1953) | 72 % | 72 % |
| Brightness | 250 cd/m² | 300 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 |
| Dynamic contrast | 5000000 : 1 | 10000 : 1 |
| Horizontal viewing angle | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° |
| Minimum response time | 8 ms 0.0080 s | 8 ms 0.0080 s |
| Average response time | 14 ms 0.0140 s | - |
| Maximum response time | 20 ms 0.0200 s | 14 ms 0.0140 s |
| Input lag | 20 ms 0.0200 s | 11 ms 0.0110 s |
| Coating | Anti-glare/Matte | Anti-glare/Matte (3H) |
| CIE1976 - 72% CIE1931 - 86% | CIE1976 - 82% CIE1931 - 72% |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 24 kHz - 94 kHz | 30 kHz - 83 kHz |
| Vertical frequency (digital) | 50 Hz - 76 Hz | 56 Hz - 75 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 |
| 220V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Electric current (A) | - | 1.5 A |
| Power consumption (off) | 0.5 W | - |
| Power consumption (sleep) | 0.5 W | 1 W |
| Power consumption (eco) | 22 W | 20 W |
| Power consumption (average) | 28 W | 33 W |
| Power consumption (maximum) | 36 W | 69 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 | 544 mm 54.4 cm 21.4173 in 1.7848 ft | 547.97 mm 54.797 cm 21.5736 in 1.7978 ft |
| Height | 329 mm 32.9 cm 12.9528 in 1.0794 ft | 325.1 mm 32.51 cm 12.7992 in 1.0666 ft |
| Depth | 51 mm 5.1 cm 2.0079 in 0.1673 ft | 65 mm 6.5 cm 2.5591 in 0.2133 ft |
| Weight | 4.19 kg 9.24 lbs | 4.7 kg 10.36 lbs |
| Width with stand | 544 mm 54.4 cm 21.4173 in 1.7848 ft | 549.97 mm 54.997 cm 21.6524 in 1.8044 ft |
| Height with stand | 469.9 mm 46.99 cm 18.5 in 1.5417 ft | 356.16 mm 35.616 cm 14.022 in 1.1685 ft |
| Depth with stand | 242.9 mm 24.29 cm 9.563 in 0.7969 ft | 184.1 mm 18.41 cm 7.248 in 0.604 ft |
| Weight with stand | 6.4 kg 14.11 lbs | 7 kg 15.43 lbs |
| Colors | Black | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes | Yes |
| VESA interface | 100 x 100 mm | 100 x 100 mm |
| Removable stand | Yes | Yes |
| Height adjustment | Yes | Yes |
| Height adjustment range | 150 mm 15 cm 5.9055 in 0.4921 ft | 115 mm 11.5 cm 4.5276 in 0.3773 ft |
| Landscape/portrait pivot | Yes | Yes |
| Left pivot | 0 ° | 0 ° |
| Right pivot | 90 ° | 90 ° |
| Left/right swivel | Yes | Yes |
| Left swivel | 180 ° | - |
| Right swivel | 180 ° | - |
| Forward/backward tilt | Yes | Yes |
| Forward tilt | 5 ° | - |
| Backward tilt | 30 ° | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 2.0 (upstream) 2 x USB 2.0 (downstream) 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x D-sub | 1 x USB 2.0 (upstream) 4 x USB 2.0 (downstream) 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x D-sub |
| High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | DDC/CI | - |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | BSMI C-Tick CB CCC CE CECP CEL Grade 1 EAC ENERGY STAR EPA Epeat Gold/Silver (market dependent) FCC Class B ICE ISC KC KCC NOM PSB SEPA TCO EDGE TÜV/S VCCI-B WHQL (Windows 8; Windows 7) | ENERGY STAR 5.0 Epeat Silver TCO Certified Displays 5.0 |
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 | 5 °C - 35 °C 41 °F - 95 °F | 0 °C - 40 °C 32 °F - 104 °F |
| Operating humidity | 20 % - 80 % | 10 % - 80 % |
| Operating altitude | 5000 m 16404.2 ft | 4850 m 15912.1 ft |
| Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | -20 °C - 60 °C -4 °F - 140 °F |
| Storage humidity | 5 % - 95 % | 5 % - 90 % |
| 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 | D-sub cable DisplayPort cable USB 2.0 upstream cable | D-sub cable DVI cable USB upstream cable |
Additional features
Information about other features.
| Additional features | Security lock slot | Security lock slot |
| HP Z23i | Dell UltraSharp U2311H |