Comparison between ViewSonic VX2780-4K-HD-2 vs ViewSonic VG3456

General Info
Model Number	ViewSonic VX2780-4K-HD-2	ViewSonic VG3456

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2021
Brand	ViewSonic	ViewSonic
Model Number	VX2780-4K-HD-2	VG3456
Alias	VX2780-4K-HD-3
Display
Screen Size Class	27" (inches)	34" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	34 in 86.4 cm 863.6 mm 2.83 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Type	IPS	VA
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	21:9
Screen Resolution	3840 x 2160	3440 x 1440
Screen Pixel Pitch	0.155 mm	0.233 mm
Screen Pixel Density	163 ppi	109 ppi
Screen-to-Body Ratio	88.48 %	88.68 %
Backlight Source	W-LED	W-LED
sRGB	120 %	95 %
Adobe RGB 1998		74 %
Screen Brightness	350 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	3000 : 1
Dynamic Screen Contrast		50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time		25 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	1.84 in 4.7 cm 46.8 mm 0.15 ft	2.01 in 5.1 cm 51 mm 0.17 ft
Case Weight	5 kg 11 lbs	6.1 kg 13 lbs
Case Width with Stand	24.29 in 61.7 cm 617 mm 2.02 ft	32.48 in 82.5 cm 825 mm 2.71 ft
Case Height with Stand	16.61 in 42.2 cm 422 mm 1.38 ft	16.06 in 40.8 cm 407.8 mm 1.34 ft
Case Depth with Stand	7.28 in 18.5 cm 185 mm 0.61 ft	9.29 in 23.6 cm 236 mm 0.77 ft
Case Weight with Stand	7.15 kg 16 lbs	8.8 kg 19 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Network		LAN
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2	1 x USB 3.2 (Type-B; upstream) 1 x Ethernet RJ45 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 2 x HDMI 1.4 1 x USB (Type-C; upstream; 90W; DP Alt Mode) 3 x USB 3.2 (Type-A; downstream)
Audio
Audio Speakers		2 x 3W
Features
Cool Features	Flicker-free technology AMD FreeSync technology Blue Light Filter	SuperClear IPS vDisplay Manager software Blue Light Filter Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.29 in 61.7 cm 617 mm 2.02 ft	32.48 in 82.5 cm 825 mm 2.71 ft
Case Height	14.44 in 36.7 cm 366.9 mm 1.2 ft	14.41 in 36.6 cm 366 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	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	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	60 °
Right Swivel	45 °	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	40 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 75 Hz	24 Hz - 100 Hz
Horizontal Digital Frequency	15 kHz - 160 kHz	15 kHz - 150 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	HDMI cable USB Type-C cable USB A/B cable
Certificates and Standards
Licenses	CCC CEL Level 2 China RoHS	cTUVus FCC-B ICES003 Energy Star 8.0 EPEAT Silver CEC MX-CoC Mexico Energy CE CE EMC CB RoHS ErP REACH 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 %	10 % - 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 %	5 % - 90 %
Max Operating Altitude	5000	3048
Max Storage Altitude	12192	12192

ViewSonic VX2780-4K-HD-2

ViewSonic VG3456