Comparison between Dell ST2421L vs BenQ PD2700U

General Info
Model Number	Dell ST2421L	BenQ PD2700U

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2010	2018
Brand	Dell	BenQ
Model Number	ST2421L	PD2700U
Display
Screen Size Class	24" (inches)	27" (inches)
Diagonal Size	24 in 61 cm 609.7 mm 2 ft	26.93 in 68.4 cm 684 mm 2.24 ft
Screen Width	20.92 in 53.1 cm 531.36 mm 1.74 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	11.77 in 29.9 cm 298.89 mm 0.98 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer		LG Display
Display Type	TN	AH-IPS
Display Bit Depth	8 bits	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	3840 x 2160
Screen Pixel Pitch	0.277 mm	0.155 mm
Screen Pixel Density	91 ppi	163 ppi
Screen-to-Body Ratio	77.5 %	88.7 %
Backlight Source	W-LED	W-LED
sRGB		100 %
Adobe RGB 1998		70 %
NTSC 1953		75 %
Screen Brightness	250 cd/m²	350 cd/m²
Max Screen Brightness		400 cd/m²
Static Screen Contrast	1000 : 1	1300 : 1
Dynamic Screen Contrast	7000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	178 °
Screen Input Lag		15 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time		14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth	2.35 in 6 cm 59.72 mm 0.2 ft	2.31 in 5.9 cm 58.8 mm 0.19 ft
Case Weight	3.65 kg 8 lbs	5 kg 11 lbs
Case Width with Stand	22.64 in 57.5 cm 574.96 mm 1.89 ft	24.17 in 61.4 cm 613.8 mm 2.01 ft
Case Height with Stand	16.47 in 41.8 cm 418.24 mm 1.37 ft	16.83 in 42.8 cm 427.5 mm 1.4 ft
Case Depth with Stand	8.02 in 20.4 cm 203.68 mm 0.67 ft	9.08 in 23.1 cm 230.7 mm 0.76 ft
Case Weight with Stand	4.29 kg 9 lbs	7.7 kg 17 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 2 x DVI-D Dual Link	2 x USB 3.0 (upstream) 1 x HDMI 2.0 1 x DisplayPort 1.4 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x DisplayPort 1.4 1 x USB (KVM keyboard connection) 4 x USB 3.0 (downstream)
Audio
Audio Speakers		2 x 2W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection)	Animation mode CAD/CAM mode Flicker-free technology Low Blue Light HDCP (High-bandwidth Digital Content Protection) Display Pilot AMA (Advanced Motion Accelerator) AMD FreeSync technology
Extra Features	Security lock slot
Ergonomics
Case Width	22.64 in 57.5 cm 574.96 mm 1.89 ft	24.17 in 61.4 cm 613.8 mm 2.01 ft
Case Height	14.03 in 35.6 cm 356.43 mm 1.17 ft	14.48 in 36.8 cm 367.9 mm 1.21 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	4 °	5 °
Backward Tilt	21 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 76 Hz	24 Hz - 76 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	27 kHz - 140 kHz
Accessories
Extras	D-sub cable DVI cable	DisplayPort cable - mini-DP to DP HDMI cable
Certificates and Standards
Licenses	ENERGY STAR 5.0	ENERGY STAR 7.0 Epeat Gold TCO 7.0 WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %
Max Operating Altitude	3657.6
Max Storage Altitude	12192

Dell ST2421L

BenQ PD2700U