Comparison between Dell UltraSharp UP2715K vs Dell S2721QS

General Info
Model Number	Dell UltraSharp UP2715K	Dell S2721QS

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2020
Brand	Dell	Dell
Model Number	UltraSharp UP2715K	S2721QS
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.21 in 33.6 cm 335.66 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits	10 bits
Frame Rate Control	No
Lut	3D LUT 12 bits
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	5120 x 2880	3840 x 2160
Screen Pixel Pitch	0.116 mm	0.155 mm
Screen Pixel Density	218 ppi	163 ppi
Screen-to-Body Ratio	81.72 %	89.83 %
Backlight Source	GB-r LED	W-LED
sRGB	100 %	99 %
Adobe RGB 1998	99 %
Screen Brightness	350 cd/m²	350 cd/m²
Max Screen Brightness		390 cd/m²
Static Screen Contrast	1000 : 1	1300 : 1
Dynamic Screen Contrast	2000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	11 ms
Display Minimum Response Time	8 ms	4 ms
Display Average Response Time		8 ms
Display Coating	Glossy	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.89 in 4.8 cm 47.9 mm 0.16 ft	2.18 in 5.5 cm 55.4 mm 0.18 ft
Case Weight	7.14 kg 16 lbs	4.7 kg 10 lbs
Case Width with Stand	25.09 in 63.7 cm 637.3 mm 2.09 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height with Stand	16.83 in 42.8 cm 427.6 mm 1.4 ft	15.75 in 40 cm 400.1 mm 1.31 ft
Case Depth with Stand	8.05 in 20.5 cm 204.5 mm 0.67 ft	6.88 in 17.5 cm 174.7 mm 0.57 ft
Case Weight with Stand	10 kg 22 lbs	6.4 kg 14 lbs
Case Color	Black, Silver	Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort (Input mini) 1 x DisplayPort (Output MST) 1 x 3.5 mm Audio Out 1 x SD Memory Card Slot 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 16W	2 x 3W
Features
Cool Features		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
Ergonomics
Case Width	25.09 in 63.7 cm 637.3 mm 2.09 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height	15.14 in 38.5 cm 384.6 mm 1.26 ft	14.35 in 36.5 cm 364.6 mm 1.2 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	115 mm 11.5 cm 4.5276 in 0.3773 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	0 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	30 °
Right Swivel	45 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 60 Hz	40 Hz - 60 Hz
Horizontal Digital Frequency	31 kHz - 180 kHz	130 kHz - 137 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable DisplayPort cable - mini-DP to DP DisplayPort cable - mini-DP to mini-DP Factory calibration report USB 3.0 upstream cable	HDMI cable
Certificates and Standards
Licenses	ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays	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 - 35 °C 32 °F - 95 °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	5000
Max Storage Altitude	12192	12192

Dell UltraSharp UP2715K

Dell S2721QS