Comparison between Dell S2740L vs Dell S2721HGF

General Info
Model Number	Dell S2740L	Dell S2721HGF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2012	2020
Brand	Dell	Dell
Model Number	S2740L	S2721HGF
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	23.54 in 59.8 cm 597.888 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.24 in 33.6 cm 336.312 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Curvature		1500
Display Manufacturer	LG Display
Display Type	AH-IPS	VA
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	82.37 %	90.42 %
Backlight Source	W-LED	W-LED
sRGB	84 %
NTSC 1953	72 %	83 %
Screen Brightness	270 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	3000 : 1
Dynamic Screen Contrast	8000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	5 ms
Display Minimum Response Time	7 ms	4 ms
Display Average Response Time	14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.44 in 6.2 cm 61.9 mm 0.2 ft	3.79 in 9.6 cm 96.3 mm 0.32 ft
Case Weight	5.28 kg 12 lbs	4.06 kg 9 lbs
Case Width with Stand	25.27 in 64.2 cm 641.9 mm 2.11 ft	23.95 in 60.8 cm 608.4 mm 2 ft
Case Height with Stand	18.06 in 45.9 cm 458.7 mm 1.5 ft	19.42 in 49.3 cm 493.2 mm 1.62 ft
Case Depth with Stand	8.5 in 21.6 cm 215.8 mm 0.71 ft	7.5 in 19 cm 190.4 mm 0.62 ft
Case Weight with Stand	7.56 kg 17 lbs	8.86 kg 19 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1 x DVI-D Dual Link 1 x 3.5 mm Audio Out 1 x D-sub 2 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)	1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2
Audio
Features
Cool Features	DDC/CI HDCP (High-bandwidth Digital Content Protection)	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology
Ergonomics
Case Width	25.27 in 64.2 cm 641.9 mm 2.11 ft	23.95 in 60.8 cm 608.4 mm 2 ft
Case Height	14.97 in 38 cm 380.3 mm 1.25 ft	14.33 in 36.4 cm 364.1 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	Yes
Height Adjustment Range		100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	4 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 76 Hz	48 Hz - 144 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	D-sub cable DVI-D cable USB upstream cable
Certificates and Standards
Licenses	ENERGY STAR Epeat Silver	ENERGY STAR EPEAT TCO Certified RoHS
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	3048	5000
Max Storage Altitude	10668	12192

Dell S2740L

Dell S2721HGF