Comparison between Lenovo G27qc-30 vs Lenovo G27q-20

General Info
Model Number	Lenovo G27qc-30	Lenovo G27q-20

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2022	2020
Brand	Lenovo	Lenovo
Model Number	G27qc-30	G27q-20
Alias	66F4GAC2
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Curvature	1500
Display Type	VA	IPS
Display Bit Depth	8 bits (6 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Lut	8 bits
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	2560 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	88.74 %	88.82 %
Backlight Source	W-LED	W-LED
DCI P3	90%
sRGB	99 %	99 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast	4000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1	3000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	3 ms
Display Average Response Time	7 ms	5 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte
HDR	HDR
3D	No	No
Size, weight, color
Case Depth	3.47 in 8.8 cm 88.2 mm 0.29 ft	2.01 in 5.1 cm 51.12 mm 0.17 ft
Case Weight	4.2 kg 9 lbs	3.98 kg 9 lbs
Case Width with Stand	24.03 in 61 cm 610.4 mm 2 ft	24.14 in 61.3 cm 613.16 mm 2.01 ft
Case Height with Stand	15.52 in 39.4 cm 394.3 mm 1.29 ft	15.48 in 39.3 cm 393.16 mm 1.29 ft
Case Depth with Stand	9.42 in 23.9 cm 239.2 mm 0.78 ft	10.24 in 26 cm 259.97 mm 0.85 ft
Case Weight with Stand	6.1 kg 13 lbs	6.24 kg 14 lbs
Case Color	Raven Black	Raven Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 3W
Features
Cool Features	Flicker-free technology HDR Decoding Natural Low Blue Light Lenovo Artery 3-side NearEdgeless Design AMD FreeSync Premium	Flicker-free technology HDR Decoding Low Blue Light 3-side NearEdgeless Design AMD FreeSync Premium
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.03 in 61 cm 610.4 mm 2 ft	24.14 in 61.3 cm 613.16 mm 2.01 ft
Case Height	14.56 in 37 cm 369.8 mm 1.21 ft	14.48 in 36.8 cm 367.78 mm 1.21 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	135 mm 13.5 cm 5.315 in 0.4429 ft	130 mm 13 cm 5.1181 in 0.4265 ft
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	48 Hz - 165 Hz	48 Hz - 165 Hz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable	DisplayPort cable
Certificates and Standards
Licenses	CCC China Energy Efficiency Standard Tier 1 Eyesafe Display Certification RoHS TÜV Rheinland Eye Comfort TÜV Rheinland Low Blue Light (Hardware Solution) Volatile Organic Compound Certification Windows Certification (Windows 7 Windows 10)	CCC China Energy Efficiency Standard Tier 2 RoHS TÜV Rheinland Low Blue Light TÜV Rheinland Flicker Free Windows Certification (Windows 7 Windows 10)
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 G27qc-30

Lenovo G27q-20