Comparison between AOC G2590PX vs Dell S2421HGF

General Info
Model Number	AOC G2590PX	Dell S2421HGF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2020
Brand	AOC	Dell
Model Number	G2590PX	S2421HGF
Alias		S2421HGFB
Display
Screen Size Class	25" (inches)	24" (inches)
Diagonal Size	24.5 in 62.2 cm 622.3 mm 2.04 ft	23.78 in 60.4 cm 604 mm 1.98 ft
Screen Width	21.41 in 54.4 cm 543.744 mm 1.78 ft	20.74 in 52.7 cm 526.85 mm 1.73 ft
Screen Height	11.91 in 30.3 cm 302.616 mm 0.99 ft	11.67 in 29.6 cm 296.35 mm 0.97 ft
Display Manufacturer	AU Optronics
Display Type	TN	TN
Display Bit Depth	8 bits (6 bits + FRC)	8 bits (6 bits + FRC)
Frame Rate Control	Yes	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	0.283 mm	0.275 mm
Screen Pixel Density	89 ppi	92 ppi
Screen-to-Body Ratio		90.27 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %
Screen Brightness	400 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	20000000 : 1
Screen Horizontal Viewing Angle	170 °	170 °
Screen Vertical Viewing Angle	160 °	160 °
Screen Input Lag	4 ms
Display Minimum Response Time	1 ms	1 ms
Display Average Response Time	4 ms
Display Maximum Response Time	14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No
Size, weight, color
Case Depth		2.58 in 6.6 cm 65.6 mm 0.22 ft
Case Weight		3.4 kg 7 lbs
Case Width with Stand	21.89 in 55.6 cm 556 mm 1.82 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	15.08 in 38.3 cm 383 mm 1.26 ft	13.84 in 35.2 cm 351.6 mm 1.15 ft
Case Depth with Stand	7.76 in 19.7 cm 197 mm 0.65 ft	7.46 in 18.9 cm 189.4 mm 0.62 ft
Case Weight with Stand	4.2 kg 9 lbs
Case Color	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x D-sub 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 2W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Flicker-free technology	Low Blue Light AMD FreeSync Premium Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width		21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height		12.66 in 32.2 cm 321.6 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	Yes
Height Adjustment Range	130 mm 13 cm 5.1181 in 0.4265 ft	100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	20 °
Right Swivel	20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	3.5 °	5 °
Backward Tilt	19.5 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 144 Hz	48 Hz - 144 Hz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	Audio cable D-sub cable DisplayPort cable HDMI cable	HDMI cable
Certificates and Standards
Licenses	CE EAC ENERGY STAR 7.0 FCC Class B RoHS TCO Certified Displays TÜV/GS	ENERGY STAR EPEAT RoHS TCO Certified Display
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

AOC G2590PX

Dell S2421HGF