Comparison between ViewSonic VG2456 vs ViewSonic VG2456a

General Info
Model Number	ViewSonic VG2456	ViewSonic VG2456a

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	ViewSonic	ViewSonic
Model Number	VG2456	VG2456a
Display
Screen Size Class	24" (inches)	24" (inches)
Diagonal Size	23.78 in 60.4 cm 604 mm 1.98 ft	23.78 in 60.4 cm 604 mm 1.98 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	20.75 in 52.7 cm 527.04 mm 1.73 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	11.67 in 29.6 cm 296.46 mm 0.97 ft
Display Type	A-Si IPS	IPS
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	0.275 mm	0.275 mm
Screen Pixel Density	92 ppi	92 ppi
Screen-to-Body Ratio	90.59 %	90.59 %
Backlight Source	W-LED	W-LED
sRGB	102 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 1	50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	15 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.05 in 5.2 cm 52 mm 0.17 ft	2.05 in 5.2 cm 52 mm 0.17 ft
Case Weight	3.99 kg 9 lbs	3.9 kg 9 lbs
Case Width with Stand	21.22 in 53.9 cm 539 mm 1.77 ft	21.22 in 53.9 cm 539 mm 1.77 ft
Case Height with Stand	15.99 in 40.6 cm 406.2 mm 1.33 ft	15.99 in 40.6 cm 406.19 mm 1.33 ft
Case Depth with Stand	7.95 in 20.2 cm 202 mm 0.66 ft	7.95 in 20.2 cm 202 mm 0.66 ft
Case Weight with Stand	6.4 kg 14 lbs	6.3 kg 14 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Network		LAN
Connectivity	1 x USB 3.2 (Type-C; Gen 1; 60W) 1 x Ethernet RJ45 1 x DisplayPort 1.2 (out) 1 x DisplayPort 1.2 1 x HDMI 1.4 1 x USB 3.2 (Type-A; Gen 1; upstream) 2 x USB 3.2 (Type-A; Gen 1; downstream)	1 x USB (Type-C; upstream; DP Alt Mode) 1 x Ethernet RJ45 1 x DisplayPort 1.2 (in) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (out) 2 x HDMI 1.4 2 x USB (Type-A; downstream) 1 x USB (Type-B; upstream)
Audio
Audio Speakers	2 x 2W	2 x 2W
Features
Cool Features	vDisplay Manager Flicker-free technology Low Blue Light	Low Blue Light SuperClear IPS ViewMode AMD FreeSync technology Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	21.22 in 53.9 cm 539 mm 1.77 ft	21.22 in 53.9 cm 539 mm 1.77 ft
Case Height	12.6 in 32 cm 320 mm 1.05 ft	12.6 in 32 cm 320 mm 1.05 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	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	60 °	60 °
Right Swivel	60 °	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	40 °	40 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 75 Hz	50 Hz - 75 Hz
Horizontal Digital Frequency	15 kHz - 82 kHz	15 kHz - 82 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort to DisplayPort cable USB Type-C cable USB Type-B 3.2 uplink cable	DisplayPort cable USB Type-A to Type-B cable USB Type-C cable
Certificates and Standards
Licenses	cTUVus FCC-B ICES003 Energy Star 8.0 EPEAT MX-CoC Mexico Energy	CB CE CE EMC CEC cTUVus EAC Energy Star 8.0 ErP FCC-B ICES003 NOM Mexico Energy RoHS REACH UkrSEPRO WEEE
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	20 % - 90 %	20 % - 90 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	20 % - 90 %
Max Operating Altitude	5000	3658
Max Storage Altitude	12192	12192

ViewSonic VG2456

ViewSonic VG2456a