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

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

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

ViewSonic VG3456

ViewSonic VX2780-4K-HD-2