Comparison between Acer R270 Smipx vs Dell S2721HN

General Info
Model Number	Acer R270 Smipx	Dell S2721HN

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2020
Brand	Acer	Dell
Model Series	R0
Model Number	R270 Smipx	S2721HN
Alias	R270Smipx UM.HR0AA.003	S2721NX
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	27 in 68.6 cm 685.891 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.54 in 59.8 cm 597.89 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.24 in 33.6 cm 336.312 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits
Frame Rate Control	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	1920 x 1080
Screen Pixel Pitch	0.311 mm	0.311 mm
Screen Pixel Density	81 ppi	81 ppi
Screen-to-Body Ratio	90.74 %	90.67 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %	72 %
Screen Brightness	250 cd/m²	300 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 °
Display Minimum Response Time		4 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	1.6 in 4.1 cm 40.64 mm 0.13 ft	2.13 in 5.4 cm 54 mm 0.18 ft
Case Weight	3.54 kg 8 lbs	4.3 kg 9 lbs
Case Width with Stand	24.01 in 61 cm 609.9 mm 2 ft	24.01 in 61 cm 609.9 mm 2 ft
Case Height with Stand	17.5 in 44.5 cm 444.5 mm 1.46 ft	17.85 in 45.3 cm 453.3 mm 1.49 ft
Case Depth with Stand	8.8 in 22.4 cm 223.52 mm 0.73 ft	7.35 in 18.7 cm 186.8 mm 0.61 ft
Case Weight with Stand	3.95 kg 9 lbs	5.2 kg 11 lbs
Case Color	Black and Silver	Black, Silver
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 2.0 1 x DisplayPort 1.2	2 x HDMI 1.4 1 x 3.5 mm Audio Out
Audio
Audio Speakers	2 x 2W
Features
Cool Features	AMD FreeSync technology ComfyView Low Blue Light ZeroFrame Design Flicker-free technology Acer EcoDisplay Adaptive Contrast Management (ACM)	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington S2721HN - silver S2721NX - black
Ergonomics
Case Width	24.01 in 61 cm 609.9 mm 2 ft	24.01 in 61 cm 609.9 mm 2 ft
Case Height	14.25 in 36.2 cm 361.95 mm 1.19 ft	14.31 in 36.4 cm 363.6 mm 1.19 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	23 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	D-Sub cable	HDMI cable
Certificates and Standards
Licenses	CE ISO9241-307 class II MPR II TÜV GS	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 6 °C -4 °F - 42.8 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	50000	5000
Max Storage Altitude	12192	12192

Acer R270 Smipx

Dell S2721HN