Comparison between Lenovo L28u-30 vs BenQ BL2420PT

General Info
Model Number	Lenovo L28u-30	BenQ BL2420PT

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2014
Brand	Lenovo	BenQ
Model Number	L28u-30	BL2420PT
Alias	65FAGAC2
Display
Screen Size Class	28" (inches)	24" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	23.81 in 60.5 cm 604.7 mm 1.98 ft
Screen Width	24.88 in 63.2 cm 631.928 mm 2.07 ft	20.74 in 52.7 cm 526.85 mm 1.73 ft
Screen Height	14.16 in 36 cm 359.78 mm 1.18 ft	11.67 in 29.6 cm 296.35 mm 0.97 ft
Display Manufacturer		AU Optronics
Display Type	IPS	AHVA IPS
Display Bit Depth	10 bits (8 bits + FRC)	8 bits
Frame Rate Control	Yes	No
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	2560 x 1440
Screen Pixel Pitch	0.161 mm	0.206 mm
Screen Pixel Density	154 ppi	123 ppi
Screen-to-Body Ratio	95.52 %	81.85 %
Backlight Source	W-LED	W-LED
DCI P3	90%
sRGB	99 %	100 %
Adobe RGB 1998		77 %
Screen Brightness	250 cd/m²	300 cd/m²
Max Screen Brightness	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1	20000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	6 ms	14 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.94 in 4.9 cm 49.2 mm 0.16 ft	2.81 in 7.2 cm 71.5 mm 0.23 ft
Case Weight	4.58 kg 10 lbs
Case Width with Stand	25.08 in 63.7 cm 636.94 mm 2.09 ft	22.17 in 56.3 cm 563.2 mm 1.85 ft
Case Height with Stand	17.75 in 45.1 cm 450.82 mm 1.48 ft	15.15 in 38.5 cm 384.9 mm 1.26 ft
Case Depth with Stand	8.66 in 22 cm 219.98 mm 0.72 ft	9.43 in 24 cm 239.55 mm 0.79 ft
Case Weight with Stand	5.2 kg 11 lbs	7 kg 15 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2	1 x HDMI 1.4 1 x DisplayPort 1.2 1 x D-sub 1 x 3.5 mm Audio Out 1 x 3.5 mm Audio In 1 x DVI-D Dual Link 2 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)
Audio
Audio Speakers		2 x 1W
Features
Cool Features	Flicker-free technology Low Blue Light 3-side NearEdgeless design AMD FreeSync technology	CAD/CAM mode Display Pilot Light sensor Low Blue Light Flicker-free technology AMA (Advanced Motion Accelerator) Animation mode
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.08 in 63.7 cm 636.94 mm 2.09 ft	22.17 in 56.3 cm 563.2 mm 1.85 ft
Case Height	14.71 in 37.4 cm 373.68 mm 1.23 ft	13.33 in 33.9 cm 338.7 mm 1.11 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		140 mm 14 cm 5.5118 in 0.4593 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		0 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		45 °
Right Swivel		45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	22 °	20 °
Frequency and Interpolation
Vertical Digital Frequency		50 Hz - 76 Hz
Horizontal Digital Frequency		30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI cable	Audio cable D-sub cable DVI-D cable USB 2.0 upstream cable
Certificates and Standards
Licenses	CCC China Energy Efficiency Standard Tier 1 ENERGY STAR 8.0 EPEAT Gold Eyesafe Display Certification RoHS (EU 2002/95/EC) TÜV Rheinland Eye Comfort Windows Certification	ENERGY STAR 6.0 TCO 6.0
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 45 °C 32 °F - 113 °F
Safe Operating Humidity Level	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Lenovo L28u-30

BenQ BL2420PT