Comparison between:
- 27" Lenovo L27i-40
- 27" BenQ GW2790
- 27" Acer EK271 Ebmix
Brand, series, model
Information about the brand, series, model and model aliases.
Lenovo L27i-40 | BenQ GW2790 | Acer EK271 Ebmix | |
![]() | ![]() | ![]() | |
Model alias | - | - | EK271Ebmix |
Model year | 2022 | 2024 | 2023 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
Size class | 27 in | 27 in | 27 in |
Diagonal | 685.891 mm 68.5891 cm 27.0036 in 2.2503 ft | 685.8 mm 68.58 cm 27 in 2.25 ft | 685.8 mm 68.58 cm 27 in 2.25 ft |
Width | 597.888 mm 59.7888 cm 23.5389 in 1.9616 ft | 597.89 mm 59.789 cm 23.539 in 1.9616 ft | 596.16 mm 59.616 cm 23.4709 in 1.9559 ft |
Height | 336.312 mm 33.6312 cm 13.2406 in 1.1034 ft | 336.31 mm 33.631 cm 13.2406 in 1.1034 ft | 336.312 mm 33.6312 cm 13.2406 in 1.1034 ft |
Panel type | IPS | IPS | IPS |
Panel bit depth | 8 bits (6 bits + FRC) | 8 bits | 8 bits (6 bits + FRC) |
FRC | Yes | No | Yes |
Colors | 16777216 colors 24 bits | 16777216 colors 24 bits | 16777216 colors 24 bits |
Aspect ratio | 1.778:1 16:9 | 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 | 1920 x 1080 pixels Full HD / 1080p |
Pixel pitch | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft | 0.311 mm 0.0311 cm 0.0123 in 0.001 ft |
Pixel density | 81 ppi 32 ppcm | 81 ppi 32 ppcm | 81 ppi 32 ppcm |
Display area | 89.24 % | 85.56 % | - |
Backlight | W-LED | W-LED | W-LED |
sRGB | 99 % | 99 % | 99 % |
Brightness | 300 cd/m² | 250 cd/m² | 250 cd/m² |
Static contrast | 1000 : 1 | 1300 : 1 | 1000 : 1 |
Dynamic contrast | 3000000 : 1 | - | 100000000 : 1 |
Horizontal viewing angle | 178 ° | 178 ° | 178 ° |
Vertical viewing angle | 178 ° | 178 ° | 178 ° |
Minimum response time | 4 ms 0.0040 s | 5 ms 0.0050 s | - |
Average response time | 6 ms 0.0060 s | - | - |
Coating | Anti-glare/Matte | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
- | - | Response time - 1 ms (VRB - Visual Response Boost) |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
3D | No | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
Horizontal frequency (digital) | 30 kHz - 83 kHz | - | 31 kHz - 110 kHz |
Vertical frequency (digital) | 48 Hz - 75 Hz | 48 Hz - 100 Hz | 48 Hz - 100 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 | 100 V - 120 V |
220V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V |
Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
Power consumption (off) | 0.3 W | - | 0.3 W |
Power consumption (sleep) | 0.5 W | 0.3 W | 0.5 W |
Power consumption (eco) | - | 21 W | - |
Power consumption (average) | 19.5 W | 25 W | 21 W |
Power consumption (maximum) | 36 W | 35 W | 48 W |
Energy efficiency class | - | E | - |
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 | 612.3 mm 61.23 cm 24.1063 in 2.0089 ft | 612 mm 61.2 cm 24.0945 in 2.0079 ft | 611.5 mm 61.15 cm 24.0748 in 2.0062 ft |
Height | 368 mm 36.8 cm 14.4882 in 1.2073 ft | 384 mm 38.4 cm 15.1181 in 1.2598 ft | - |
Depth | 43.5 mm 4.35 cm 1.7126 in 0.1427 ft | 64 mm 6.4 cm 2.5197 in 0.21 ft | - |
Weight | 3.6 kg 7.94 lbs | 4.5 kg 9.92 lbs | 3 kg 6.61 lbs |
Width with stand | 612.3 mm 61.23 cm 24.1063 in 2.0089 ft | 612 mm 61.2 cm 24.0945 in 2.0079 ft | 611.5 mm 61.15 cm 24.0748 in 2.0062 ft |
Height with stand | 474.4 mm 47.44 cm 18.6772 in 1.5564 ft | 384 mm 38.4 cm 15.1181 in 1.2598 ft | 454.8 mm 45.48 cm 17.9055 in 1.4921 ft |
Depth with stand | 181.8 mm 18.18 cm 7.1575 in 0.5965 ft | 182 mm 18.2 cm 7.1654 in 0.5971 ft | 204.9 mm 20.49 cm 8.0669 in 0.6722 ft |
Weight with stand | 4.3 kg 9.48 lbs | 5 kg 11.02 lbs | 3.5 kg 7.72 lbs |
Box width | 720 mm 72 cm 28.3465 in 2.3622 ft | - | - |
Box height | 452 mm 45.2 cm 17.7953 in 1.4829 ft | - | - |
Box depth | 125 mm 12.5 cm 4.9213 in 0.4101 ft | - | - |
Box weight | 5.9 kg 13.01 lbs | - | - |
Stand depth | 181.8 mm 18.18 cm 7.1575 in 0.5965 ft | 182 mm 18.2 cm 7.1654 in 0.5971 ft | 204.9 mm 20.49 cm 8.0669 in 0.6722 ft |
Colors | Cloud Gray | Black | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
VESA mount | Yes | Yes | Yes |
VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm |
Removable stand | Yes | Yes | Yes |
Height adjustment | No | No | No |
Landscape/portrait pivot | No | No | No |
Left/right swivel | No | No | No |
Forward/backward tilt | Yes | Yes | Yes |
Forward tilt | 5 ° | 5 ° | 5 ° |
Backward tilt | 22 ° | 20 ° | 20 ° |
ThinkCentre M Series Tiny support ThinkCentre M Series Nano support Cable management | - | - |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
Speakers | 2 x 3 W | 2 x 2 W | 2 x 2 W |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
Camera | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
Connectivity | 1 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio Out | 2 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out | 1 x HDMI 1.4 1 x D-sub 1 x 3.5 mm Audio Out |
High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) 1.4 | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
Features | 3-side NearEdgeless design AMD FreeSync technology Flicker-free technology Lenovo Artery Natural Low Blue Light | AMA (Advanced Motion Accelerator) Brightness Intelligence Gen 2 (B.I. Gen 2) Coding Mode Color Weakness Mode Eye-CareU Eye Reminder Paper Mode Flicker-free technology Light Sensor Low Blue Light Plus VESA MediaSync Display | Acer Display Widget AMD FreeSync technology Blue Light Filter Flicker-free technology Zero Frame Design |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
Certificates, standards and licenses | CCC China Energy Efficiency Standard Tier 2 Eyesafe Display Certification 2.0 RoHS (EU 2002/95/EC) TÜV Rheinland Eye Comfort TÜV Low Blue Light (Hardware Solution) Windows Certification | Energy Star 8.0 EPEAT Bronze EyeSafe Display 2.0 TCO Certified 9.0 TÜV Eye Comfort 2.0 TÜV Rheinland Flicker-free TÜV Rheinland Low Blue Light (Hardware Solution) | CCC CE FCC ISO9241-307 PSE RoHS VCCI-B |
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 | 0 °C - 45 °C 32 °F - 113 °F | - | - |
Operating humidity | 10 % - 80 % | - | - |
Operating altitude | 5000 m 16404.2 ft | - | - |
Storage temperature | -20 °C - 60 °C -4 °F - 140 °F | - | - |
Storage humidity | 5 % - 95 % | - | - |
Storage altitude | 12192 m 40000 ft | - | - |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
Accessories | HDMI cable | HDMI cable | HDMI cable |
Additional features
Information about other features.
Additional features | Anti-theft stand lock slot - Kensington | Anti-theft stand lock slot - Kensington | - |
Lenovo L27i-40 | BenQ GW2790 | Acer EK271 Ebmix |