Compare Acer R221Q vs Lenovo Q27q-1L vs Lenovo L27q-30
Connectivity
Ports
1x 3.5 mm Audio Out, 1x HDMI 1.4, 1x D-sub
1x 3.5 mm Audio Out, 1x HDMI 1.4, 1x DisplayPort 1.2
1x 3.5 mm Audio Out, 1x HDMI 1.4, 1x DisplayPort 1.2
Construction
Adjustment | Height
N/A
N/A
N/A
Adjustment | Pivot
N/A
N/A
N/A
Adjustment | Swivel
N/A
N/A
N/A
Adjustment | Tilt
-5° ~ 15°
-5° ~ 22°
-5° ~ 22°
Camera
No
No
No
Colors
Black
Iron Gray
Black
Speakers
2x 2W
2x 3W
VESA Mount
N/A
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
84.77% screen-to-body ratio
89.01% screen-to-body ratio
Size | Depth
1.31 in / 33.4 mm w/o stand, 8.82 in / 224 mm w/ stand
1.5 in / 38 mm w/o stand, 7.07 in / 179.5 mm w/ stand
8.27 in / 210 mm w/ stand
Size | Height
11.89 in / 302 mm w/o stand, 15.12 in / 384 mm w/ stand
14.43 in / 366.4 mm w/o stand, 18.78 in / 476.9 mm w/ stand
17.5 in / 444.6 mm w/ stand
Size | Width
19.61 in / 498 mm
24.18 in / 614.2 mm
24.16 in / 613.6 mm
Weight
2 kg / 4 lbs w/o stand , 2.3 kg / 5 lbs w/ stand
3.52 kg / 8 lbs w/o stand , 5.29 kg / 12 lbs w/ stand
6.49 kg / 14 lbs w/ stand
Display
Aspect Ratio
16:9
16:9
16:9
Brightness
250 nits
250 nits
250 nits / 350 nits (peak)
Contrast Ratio
1000:1 (static), 100000000:1 (dynamic)
1000:1 (static)
1000:1 (static), 3000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits (6 bits + FRC), 16777216 colors
8 bits, 16777216 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Diagonal
22" (21.5 in / 546.1 mm)
27" (26.96 in / 684.7 mm)
27" (27 in / 685.8 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte
IPS, Anti-glare/Matte
Gamut
72% NTSC
99% sRGB
99% sRGB
Pixel Density
102 ppi
109 ppi
109 ppi
Pixel Pitch
0.248 mm
0.233 mm
0.233 mm
Refresh Rate
48 Hz ~ 75 Hz
48 Hz ~ 75 Hz
48 Hz ~ 75 Hz
Resolution
FHD (1920x1080)
QHD (2560x1440)
QHD (2560x1440)
Response Time
4 ms (min) / 6 ms (avg)
4 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V
Function
Licenses
CCC, CE, FCC, ISO9241-307, J-Moss green mark, MPR Ⅱ, PC recycling, PSE (Electrical Appliance and Material Safety Law), RoHS, VCCI-B
CCC, China Energy Efficiency Standard Tier 1, Eyesafe Display Certification, TCO 8.0, TÜV Rheinland Eye Comfort, TÜV Rheinland Low Blue Light, Windows 7, Windows 10
CCC, China Energy Efficiency Standard Tier 1, ENERGY STAR 8.0, EPEAT Silver, RoHS (EU 2002/95/EC), TCO Certified Displays 8.0, TÜV Rheinland Eye Comfort, WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)
Operating Humidity
20 % ~ 80 %
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 45 °C , 32 °F ~ 113 °F
Variable Framerate
AMD FreeSync
AMD FreeSync
AMD FreeSync
Video
Flicker-free technology, Low Blue Light, ZeroFrame Design, DDC2B (DDC/CI compatible)
Flicker-free technology, Natural Low Blue Light, 3-side NearEdgeless Design
Flicker-free technology, Low Blue Light, 3-side NearEdgeless design
Performance
Power Consumption
22 W (average) / 24 W (max) / 0.45 W (sleep) / 0.4 W (off)
25 W (average) / 40 W (max) / 19 W (eco) / 0.2 W (sleep) / 0.19 W (off)
35 W (average) / 45 W (max) / 0.5 W (sleep) / 0.3 W (off)
Production
Accessory
D-Sub cable
DisplayPort cable (optional), HDMI cable
HDMI cable
Debut
2020
2020
2020
Reviews
Neofiliac score
20%
26%
41%
Pros
- High 1000:1 contrast ratio
- Build-in speakers included
- Ultra-slim profile
- High 1000:1 contrast ratio
- Build-in speakers included
- Ultra-slim profile
- Elegant design
- High 1000:1 contrast ratio
- 10-bit display panel
Cons
- No publicized HDR support
- Only tilt adjustment
- 8-bit display panel
- Display panel not very bright
- Lacks VESA mount
- No publicized HDR support
- Only tilt adjustment
- 8-bit display panel
- Display panel not very bright
- No publicized HDR support
- Only tilt adjustment
- Display panel not very bright
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