Comparison between Lenovo ThinkVision D20-20 vs Lenovo ThinkVision E20-30

General Info
Model Number	Lenovo ThinkVision D20-20	Lenovo ThinkVision E20-30

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2022
Brand	Lenovo	Lenovo
Model Number	ThinkVision D20-20	ThinkVision E20-30
Alias	66C4KAC1	66E9KAC4
Display
Screen Size Class	20" (inches)	20" (inches)
Diagonal Size	19.45 in 49.4 cm 494 mm 1.62 ft	19.45 in 49.4 cm 494.1 mm 1.62 ft
Screen Width	16.48 in 41.9 cm 418.608 mm 1.37 ft	17.05 in 43.3 cm 432.96 mm 1.42 ft
Screen Height	10.33 in 26.2 cm 262.35 mm 0.86 ft	9.37 in 23.8 cm 238.05 mm 0.78 ft
Display Type	IPS	TN
Display Bit Depth	8 bits (6 bits + FRC)	8 bits (6 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:10	16:9
Screen Resolution	1440 x 900	1600 x 900
Screen Pixel Pitch	0.291 mm	0.271 mm
Screen Pixel Density	87 ppi	94 ppi
Screen-to-Body Ratio	78.19 %	78.22 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %	72 %
Screen Brightness	250 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1	3000000 : 1
Screen Horizontal Viewing Angle	178 °	170 °
Screen Vertical Viewing Angle	178 °	160 °
Display Minimum Response Time	4 ms	2 ms
Display Average Response Time	6 ms	5 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	1.75 in 4.5 cm 44.5 mm 0.15 ft	1.9 in 4.8 cm 48.3 mm 0.16 ft
Case Weight	2.61 kg 6 lbs	2.2 kg 5 lbs
Case Width with Stand	17.95 in 45.6 cm 456 mm 1.5 ft	18.3 in 46.5 cm 464.8 mm 1.52 ft
Case Height with Stand	14.65 in 37.2 cm 372 mm 1.22 ft	13.88 in 35.3 cm 352.6 mm 1.16 ft
Case Depth with Stand	7.26 in 18.4 cm 184.3 mm 0.6 ft	7.1 in 18 cm 180.4 mm 0.59 ft
Case Weight with Stand	2.91 kg 6 lbs	2.5 kg 6 lbs
Case Color	Black	Raven Black
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x D-sub	1 x HDMI 1.4 1 x D-sub
Audio
Features
Cool Features	Low Blue Light	Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	17.95 in 45.6 cm 456 mm 1.5 ft	18.3 in 46.5 cm 464.8 mm 1.52 ft
Case Height	12.13 in 30.8 cm 308 mm 1.01 ft	11.16 in 28.4 cm 283.5 mm 0.93 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	22 °	22 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	HDMI cable
Certificates and Standards
Licenses	CCC China Energy Efficiency Standard Tier 2 ENERGY STAR 8.0 EPEAT Silver RoHS TCO 8.0 TÜV Rheinland Low Blue Light WHQL (Windows 10; Windows 7)	CCC China Energy Efficiency Standard Tier 2 ENERGY STAR 8.0 EPEAT Silver RoHS TCO 9.0 TYCO Edge 2.0 TÜV Rheinland Flicker Free TÜV Rheinland Low Blue Light Volatile Organic Compound Certification WHQL (Windows 10; Windows 7)
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 45 °C 32 °F - 113 °F	0 °C - 45 °C 32 °F - 113 °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 % - 95 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Lenovo ThinkVision D20-20

Lenovo ThinkVision E20-30