Comparison between BenQ EW2775ZH vs BenQ BL2420PT

General Info
Model Number	BenQ EW2775ZH	BenQ BL2420PT

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2016	2014
Brand	BenQ	BenQ
Model Number	EW2775ZH	BL2420PT
Display
Screen Size Class	27" (inches)	24" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	23.81 in 60.5 cm 604.7 mm 1.98 ft
Screen Width	23.53 in 59.8 cm 597.6 mm 1.96 ft	20.74 in 52.7 cm 526.85 mm 1.73 ft
Screen Height	13.23 in 33.6 cm 336.15 mm 1.1 ft	11.67 in 29.6 cm 296.35 mm 0.97 ft
Display Manufacturer	AU Optronics	AU Optronics
Display Type	AMVA+ (Е2Е)	AHVA IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	No	No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	2560 x 1440
Screen Pixel Pitch	0.311 mm	0.206 mm
Screen Pixel Density	81 ppi	123 ppi
Screen-to-Body Ratio		81.85 %
Backlight Source	W-LED	W-LED
sRGB		100 %
Adobe RGB 1998		77 %
NTSC 1953	72 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	3000 : 1	1000 : 1
Dynamic Screen Contrast	20000000 : 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	12 ms	14 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth		2.81 in 7.2 cm 71.5 mm 0.23 ft
Case Width with Stand	24.17 in 61.4 cm 613.8 mm 2.01 ft	22.17 in 56.3 cm 563.2 mm 1.85 ft
Case Height with Stand	18.13 in 46.1 cm 460.6 mm 1.51 ft	15.15 in 38.5 cm 384.9 mm 1.26 ft
Case Depth with Stand	7.12 in 18.1 cm 180.9 mm 0.59 ft	9.43 in 24 cm 239.55 mm 0.79 ft
Case Weight with Stand	4.28 kg 9 lbs	7 kg 15 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x D-sub	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 2W	2 x 1W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Low Blue Light Plus AMA (Advanced Motion Accelerator) Flicker-free 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		22.17 in 56.3 cm 563.2 mm 1.85 ft
Case Height		13.33 in 33.9 cm 338.7 mm 1.11 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	75 x 75	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	20 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 76 Hz	50 Hz - 76 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 83 kHz
Accessories
Extras	HDMI cable	Audio cable D-sub cable DVI-D cable USB 2.0 upstream cable
Certificates and Standards
Licenses	CE ENERGY STAR 6.0 TCO Certified Displays 6.0	ENERGY STAR 6.0 TCO 6.0
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 40 °C 41 °F - 104 °F
Safe Operating Humidity Level	20 % - 90 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	10 % - 90 %

BenQ EW2775ZH

BenQ BL2420PT