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BenQ BL2420U

BenQ BL2420U
alaScore 90

2 reviews

Oct, 2018

  • Negative

alaTest has collected and analyzed 2 reviews of BenQ BL2420U. The average rating for this product is 2.7/5, compared to an average rating of 4.3/5 for other products in the same category for all reviews. People are impressed by the usability.


We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the BenQ BL2420U is awarded an overall alaScore™ of 90/100 = Excellent quality.

Review analysis

(Based on 2 reviews)

Expert Reviews  

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Expert review by : Orestis Bastounis (

BenQ BL2420U 24-inch 4K IPS CAD/CAM Display Review


At 24 inches, BenQ's latest IPS display has the smallest diagonal screen size of any 4K screen we've At 24 inches, BenQ's latest IPS display has the smallest diagonal screen size of any 4K screen we've tested so far, which normally come in 27-inch or...

Great OSD

Long Response Time

Mar, 2016

Product Specifications


Certification:TCO 6.0
Energy Star certified: Yes
EPEAT compliance:Silver


Color of product:Black
Feet color:Black
Feet colour:Black
Market positioning:Home & Office


Aspect Ratio:16:9
Color gamut:100
Contrast ratio (dynamic):20000000:1
Contrast ratio (typical):1000:1
Display brightness:300
Display Diagonal:23.6
Display number of colors:16.78 million colours
Display Resolution:3840 x 2160
Display scan frequency (horizontal):30 - 140
Display Technology:IPS
HD type:4K Ultra HD
Horizontal scan range:30 - 140
Native Aspect Ratio:16:9
Panel type:IPS
Pixel Pitch:0.00535 x 0.00535
Response Time:4
Vertical scan range:24 - 76
Viewable size, horizontal:20.5
Viewable size, vertical:11.5
Viewing angle, horizontal:178
Viewing angle, vertical:178

Energy Management

Power consumption (off):0.5
Power consumption (PowerSave):0.5
Power consumption (typical):58


Cable lock slot:N
Height adjustment: Yes
On Screen Display (OSD): Yes
On/Off switch: Yes
Pivot: Yes
Swivel angle range:-45 - 45
Swivelling: Yes
Tilt adjustment: Yes
Tilt angle:-5 - 20
Tilt angle range:-5 - 20
VESA mounting:Y


Built-in camera: No
Built-in Microphone: No
Built-in speaker(s):Y
Built-in speakers: Yes
Built-in subwoofer: No
Number of loudspeakers:2
Number of Speakers:2
RMS rated power:2
TV tuner integrated: No


Bluetooth: No
Ethernet LAN:N
Ethernet LAN connection: No

Other Features

Consumption (economy mode):35
Power consumption (economy mode):35

Packaging Content

Cables included:Audio (3.5mm), DisplayPort, DVI, USB

Packaging Data

Package weight:20.9


Card reader integrated: No
Mac operating systems supported: Yes
Mean time between failures (MTBF):60000
Windows operating systems supported: Yes

Ports & interfaces

Audio Input: Yes
DisplayPorts quantity:1
DVI port: Yes
HDMI ports quantity:2
Headphone connectivity:3.5 mm
Headphone outputs:1
USB hub version:USB 3.0 (3.1 Gen 1)
USB Type-A downstream ports quantity:3
USB version:3.0 (3.1 Gen 1)


Power consumption (off):0.5
Power consumption (PowerSave):0.5
Power consumption (typical):58

Thin Client

Thin client installed: No

Weight & Dimensions

Package weight:20.9