Comparison between Lenovo ThinkVision Pro2820 vs Dell UltraSharp U2415

General Info
Model Number	Lenovo ThinkVision Pro2820	Dell UltraSharp U2415

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2013	2014
Brand	Lenovo	Dell
Model Number	ThinkVision Pro2820	UltraSharp U2415
Display
Screen Size Class	28" (inches)	24" (inches)
Diagonal Size	28 in 71.1 cm 711.2 mm 2.33 ft	24.06 in 61.1 cm 611 mm 2 ft
Screen Width	24.45 in 62.1 cm 620.928 mm 2.04 ft	20.41 in 51.8 cm 518.4 mm 1.7 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	12.76 in 32.4 cm 324 mm 1.06 ft
Display Manufacturer	Innolux	LG Display
Display Type	MVA	AH-IPS
Display Bit Depth	8 bits	8 bits (6 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:10
Screen Resolution	1920 x 1080	1920 x 1200
Screen Pixel Pitch	0.323 mm	0.27 mm
Screen Pixel Density	78 ppi	94 ppi
Screen-to-Body Ratio	80.11 %	90.02 %
Backlight Source	W-LED	W-LED
sRGB		99 %
NTSC 1953	72 %	72 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	3000 : 1	1000 : 1
Dynamic Screen Contrast		2000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		12 ms
Display Minimum Response Time	6.5 ms	6 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.29 in 5.8 cm 58.27 mm 0.19 ft	1.8 in 4.6 cm 45.7 mm 0.15 ft
Case Weight	5.11 kg 11 lbs	4.25 kg 9 lbs
Case Width with Stand	26.22 in 66.6 cm 665.9 mm 2.18 ft	20.95 in 53.2 cm 532.2 mm 1.75 ft
Case Height with Stand	17.45 in 44.3 cm 443.25 mm 1.45 ft	15.86 in 40.3 cm 402.9 mm 1.32 ft
Case Depth with Stand	11.41 in 29 cm 289.9 mm 0.95 ft	8.07 in 20.5 cm 205 mm 0.67 ft
Case Weight with Stand	8.11 kg 18 lbs	8.35 kg 18 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 (MHL) 2 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x D-sub 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	2 x HDMI 1.4 (MHL) 1 x DisplayPort (Input mini) 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x DisplayPort (Output MST) 5 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)
Audio
Features
Cool Features	DDC/CI HDCP (High-bandwidth Digital Content Protection)
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	26.22 in 66.6 cm 665.9 mm 2.18 ft	20.95 in 53.2 cm 532.2 mm 1.75 ft
Case Height	15.64 in 39.7 cm 397.25 mm 1.3 ft	13.8 in 35.1 cm 350.6 mm 1.15 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	110 mm 11 cm 4.3307 in 0.3609 ft	115 mm 11.5 cm 4.5276 in 0.3773 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	45 °
Right Swivel	45 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	25 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 75 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency	30 kHz - 81 kHz	30 kHz - 83 kHz
Accessories
Extras	D-sub cable DisplayPort cable USB 3.0 cable	DisplayPort cable - mini-DP to DP Factory calibration report USB 3.0 upstream cable
Certificates and Standards
Licenses	BSMI C-Tick CCC CE CECP ENERGY STAR 6.0 Epeat Gold FCC Class B KC RoHS TCO Certified Display 6.0 TCO Edge 1.2 TÜV/GS VCCI WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)	ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 45 °C 32 °F - 113 °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	5000
Max Storage Altitude	12192	12192

Lenovo ThinkVision Pro2820

Dell UltraSharp U2415