Comparison between Dell S2721D vs Acer K272HUL

General Info
Model Number	Dell S2721D	Acer K272HUL

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2014
Brand	Dell	Acer
Model Number	S2721D	K272HUL
Alias		K272HULbmiidp
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer		AU Optronics
Display Type	IPS	AHVA IPS
Display Bit Depth	8 bits	10 bits (8 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	2560 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	89.83 %	82.13 %
Backlight Source	W-LED	W-LED
sRGB	99 %	100 %
Screen Brightness	320 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	10 ms
Display Minimum Response Time	4 ms	6 ms
Display Average Response Time	8 ms	12 ms
Display Maximum Response Time		25 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.18 in 5.5 cm 55.4 mm 0.18 ft	2.4 in 6.1 cm 61 mm 0.2 ft
Case Weight	4.4 kg 10 lbs
Case Width with Stand	24.08 in 61.2 cm 611.6 mm 2.01 ft	25.2 in 64 cm 640 mm 2.1 ft
Case Height with Stand	17.85 in 45.3 cm 453.4 mm 1.49 ft	18.2 in 46.2 cm 462.3 mm 1.52 ft
Case Depth with Stand	7.35 in 18.7 cm 186.8 mm 0.61 ft	9.8 in 24.9 cm 248.9 mm 0.82 ft
Case Weight with Stand	5.4 kg 12 lbs	7.17 kg 16 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2	1 x DVI-D Dual Link 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 3W	2 x 2W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	Picture-by-Picture Picture-in-Picture Flicker-free technology HDCP (High-bandwidth Digital Content Protection)
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.08 in 61.2 cm 611.6 mm 2.01 ft	25.2 in 64 cm 640.1 mm 2.1 ft
Case Height	14.35 in 36.5 cm 364.6 mm 1.2 ft	15 in 38.1 cm 381 mm 1.25 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	25 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	55 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 115 kHz	30 kHz - 80 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI cable	Audio cable DisplayPort cable DVI-D cable
Certificates and Standards
Licenses	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light	ENERGY STAR
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	5000
Max Storage Altitude	12192

Dell S2721D

Acer K272HUL