Comparison between ViewSonic VG3456 vs Acer CB342CK smiiphzx

General Info
Model Number	ViewSonic VG3456	Acer CB342CK smiiphzx

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Type	Monitor	Monitor
Year	2021	2019
Brand	ViewSonic	Acer
Model Number	VG3456	CB342CK smiiphzx
Alias		CB342CK
Display
Screen Size Class	34" (inches)	34" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	34 in 86.4 cm 863.6 mm 2.83 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Type	VA	IPS
Display Bit Depth	10 bits (8 bits + FRC)	8 bits
Frame Rate Control	Yes	No
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	21:9	21:9
Screen Resolution	3440 x 1440	3440 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	88.68 %	89.31 %
Backlight Source	W-LED	W-LED
sRGB	95 %
Adobe RGB 1998	74 %
NTSC 1953		72 %
Screen Brightness	300 cd/m²	250 cd/m²
Static Screen Contrast	3000 : 1	700 : 1
Dynamic Screen Contrast	50000000 : 1	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	1 ms
Display Average Response Time	25 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	2.01 in 5.1 cm 51 mm 0.17 ft	2.31 in 5.9 cm 58.6 mm 0.19 ft
Case Weight	6.1 kg 13 lbs	6.8 kg 15 lbs
Case Width with Stand	32.48 in 82.5 cm 825 mm 2.71 ft	32.17 in 81.7 cm 817 mm 2.68 ft
Case Height with Stand	16.06 in 40.8 cm 407.8 mm 1.34 ft	23.5 in 59.7 cm 596.9 mm 1.96 ft
Case Depth with Stand	9.29 in 23.6 cm 236 mm 0.77 ft	9.2 in 23.4 cm 233.68 mm 0.77 ft
Case Weight with Stand	8.8 kg 19 lbs	8.7 kg 19 lbs
Case Color	Black	Black, Silver
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 DisplayPort 1.4 1 x 3.5 mm Audio Out 5 x USB 3.0 2 x HDMI 2.0
Audio
Audio Speakers	2 x 3W	2 x 3W
Features
Cool Features	SuperClear IPS vDisplay Manager software Blue Light Filter Flicker-free technology	HDR Ready AMD FreeSync technology HDCP (High-bandwidth Digital Content Protection)
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	32.48 in 82.5 cm 825 mm 2.71 ft	32.17 in 81.7 cm 817 mm 2.68 ft
Case Height	14.41 in 36.6 cm 366 mm 1.2 ft	14.45 in 36.7 cm 367 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	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	60 °	135 °
Right Swivel	60 °	135 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	12 °
Backward Tilt	40 °	32 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 100 Hz	23 Hz - 76 Hz
Horizontal Digital Frequency	15 kHz - 150 kHz	15 kHz - 116 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	HDMI cable USB Type-C cable USB A/B cable	HDMI cable USB 3.0 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	ENERGY STAR
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 90 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %
Max Operating Altitude	3048
Max Storage Altitude	12192

ViewSonic VG3456

Acer CB342CK smiiphzx