Comparison between Dell S2721QS vs Dell UltraSharp U2312M

General Info
Model Number	Dell S2721QS	Dell UltraSharp U2312M

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2011
Brand	Dell	Dell
Model Number	S2721QS	UltraSharp U2312M
Display
Screen Size Class	27" (inches)	23" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	22.99 in 58.4 cm 584 mm 1.92 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	20.05 in 50.9 cm 509.184 mm 1.67 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	11.28 in 28.6 cm 286.416 mm 0.94 ft
Display Manufacturer		LG Display
Display Type	IPS	e-IPS
Display Bit Depth	10 bits	8 bits (6 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	1920 x 1080
Screen Pixel Pitch	0.155 mm	0.265 mm
Screen Pixel Density	163 ppi	95 ppi
Screen-to-Body Ratio	89.83 %	82.56 %
Backlight Source	W-LED	W-LED
sRGB	99 %	99 %
Adobe RGB 1998		74 %
NTSC 1953		72 %
Screen Brightness	350 cd/m²	300 cd/m²
Max Screen Brightness	390 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Dynamic Screen Contrast		2000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		1 ms
Display Minimum Response Time	4 ms	8 ms
Display Average Response Time	8 ms
Display Maximum Response Time		14 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	2.34 in 6 cm 59.5 mm 0.2 ft
Case Weight	4.7 kg 10 lbs	2.96 kg 7 lbs
Case Width with Stand	24.08 in 61.2 cm 611.6 mm 2.01 ft	21.51 in 54.6 cm 546.4 mm 1.79 ft
Case Height with Stand	15.75 in 40 cm 400.1 mm 1.31 ft	14.37 in 36.5 cm 365 mm 1.2 ft
Case Depth with Stand	6.88 in 17.5 cm 174.7 mm 0.57 ft	7.3 in 18.5 cm 185.4 mm 0.61 ft
Case Weight with Stand	6.4 kg 14 lbs	5.18 kg 11 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2	1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x D-sub 4 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)
Audio
Audio Speakers	2 x 3W
Features
Cool Features	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology	HDCP (High-bandwidth Digital Content Protection)
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	24.08 in 61.2 cm 611.6 mm 2.01 ft	21.51 in 54.6 cm 546.4 mm 1.79 ft
Case Height	14.35 in 36.5 cm 364.6 mm 1.2 ft	12.73 in 32.3 cm 323.3 mm 1.06 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	110 mm 11 cm 4.3307 in 0.3609 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	45 °
Right Swivel	30 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	4 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 60 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency	130 kHz - 137 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI cable	D-sub cable DVI cable USB upstream cable
Certificates and Standards
Licenses	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light	ENERGY STAR 5.0 Epeat Gold TCO Certified Displays 5.0
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 - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	5000	3048
Max Storage Altitude	12192	10668

Dell S2721QS

Dell UltraSharp U2312M