Comparison between Acer XF240YU vs Dell S2421HN

General Info
Model Number	Acer XF240YU	Dell S2421HN

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2016	2020
Brand	Acer	Dell
Model Number	XF240YU	S2421HN
Alias	XF240YUbmiidprzx	S2421NX
Display
Screen Size Class	24" (inches)	24" (inches)
Diagonal Size	23.81 in 60.5 cm 604.7 mm 1.98 ft	23.8 in 60.4 cm 604.478 mm 1.98 ft
Screen Width	20.74 in 52.7 cm 526.85 mm 1.73 ft	20.75 in 52.7 cm 527.04 mm 1.73 ft
Screen Height	11.67 in 29.6 cm 296.35 mm 0.97 ft	11.67 in 29.6 cm 296.46 mm 0.97 ft
Display Manufacturer	AU Optronics
Display Type	TN	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	1920 x 1080
Screen Pixel Pitch	0.206 mm	0.275 mm
Screen Pixel Density	123 ppi	92 ppi
Screen-to-Body Ratio	88.53 %	90.06 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %	72 %
Screen Brightness	350 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	178 °
Display Minimum Response Time	1 ms	4 ms
Display Average Response Time	4 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	Yes	No
Size, weight, color
Case Depth	2.52 in 6.4 cm 64 mm 0.21 ft	2.12 in 5.4 cm 53.8 mm 0.18 ft
Case Weight	4.17 kg 9 lbs	3.3 kg 7 lbs
Case Width with Stand	21.3 in 54.1 cm 541 mm 1.77 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	14.76 in 37.5 cm 375 mm 1.23 ft	16.25 in 41.3 cm 412.8 mm 1.35 ft
Case Depth with Stand	9.61 in 24.4 cm 244 mm 0.8 ft	6.02 in 15.3 cm 152.8 mm 0.5 ft
Case Weight with Stand	6.66 kg 15 lbs	4.1 kg 9 lbs
Case Color	Black	Black, Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x DVI-D Dual Link 1 x 3.5 mm Audio Out 1 x 3.5 mm Audio Out 1 x HDMI 1.4 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	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Blue Light Filter	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features		Anti-theft stand lock slot - Kensington S2421HN - silver S2421NX - black
Ergonomics
Case Width	21.3 in 54.1 cm 541 mm 1.77 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	12.83 in 32.6 cm 326 mm 1.07 ft	12.7 in 32.3 cm 322.6 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	No
Height Adjustment Range	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	60 °
Right Swivel	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 144 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	31 kHz - 105 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable - optional HDMI cable - optional	HDMI cable
Certificates and Standards
Licenses	CE ENERGY STAR 6.0 TCO Certified Displays 6.0 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
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

Acer XF240YU

Dell S2421HN