Comparison between Acer CB342CU semiphuzx vs ViewSonic VA3456-MHDJ

General Info
Model Number	Acer CB342CU semiphuzx	ViewSonic VA3456-MHDJ

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2023	2021
Brand	Acer	ViewSonic
Model Series	CB2
Model Number	CB342CU semiphuzx	VA3456-MHDJ
Alias	UM.CB2AA.004
Display
Screen Size Class	34" (inches)	34" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	34.13 in 86.7 cm 867 mm 2.84 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 Curvature	1900	1800
Display Type	IPS	IPS
Display Bit Depth	8 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	21:9	21:9
Screen Resolution	3440 x 1440	3440 x 1440
Screen Pixel Pitch	0.232 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Screen-to-Body Ratio	89.61 %	89.31 %
Backlight Source	W-LED	W-LED
sRGB	99 %	104 %
NTSC 1953		72 %
Screen Brightness	400 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1	50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time		4 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR	HDR10 DisplayHDR 400	HDR10
3D	No	No
Size, weight, color
Case Depth	2.3 in 5.8 cm 58.42 mm 0.19 ft	2.32 in 5.9 cm 59 mm 0.19 ft
Case Weight	6.8 kg 15 lbs	6.8 kg 15 lbs
Case Width with Stand	32.17 in 81.7 cm 817 mm 2.68 ft	32.17 in 81.7 cm 817 mm 2.68 ft
Case Height with Stand	17.59 in 44.7 cm 446.9 mm 1.47 ft	16.27 in 41.3 cm 413.31 mm 1.36 ft
Case Depth with Stand	10.59 in 26.9 cm 269 mm 0.88 ft	7.91 in 20.1 cm 201 mm 0.66 ft
Case Weight with Stand	9.2 kg 20 lbs	9.2 kg 20 lbs
Case Color	Black and Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.1 (Type-C; upstream; 90W; DP Alt MOde) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 4 x USB 3.0 (Type-A; downstream) 1 x USB 3.1 (Type-B; upstream)	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Audio Speakers	2 x 3W	2 x 3W
Features
Cool Features	Flicker-free technology KVM Switch Quantum Dot Color ZeroFrame Design Low Blue Light Acer VisionCare AMD FreeSync technology	ECO Mode Flicker-free technology SuperClear IPS Low Blue Light 3-side borderless design Adaptive-Sync technology
Extra Features		Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	32.17 in 81.7 cm 817 mm 2.68 ft	32.17 in 81.7 cm 817 mm 2.68 ft
Case Height	14.4 in 36.6 cm 365.76 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	150 mm 15 cm 5.9055 in 0.4921 ft	100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	180 °	180 °
Right Swivel	180 °	180 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	4 °
Backward Tilt	35 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	24 Hz - 76 Hz
Horizontal Digital Frequency	15 kHz - 136 kHz	15 kHz - 120 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable USB 3.0 cable USB Type-C cable	HDMI cable
Certificates and Standards
Licenses	CE Energy Star MPR II TCO Certified Display	CB CE CE EMC CEC cTUVus EAC ErP FCC-B ICES003 MX-CoC Mexico Energy RCM REACH UkrSEPRO WEEE
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level		20 % - 90 %
Internal Storage Temperature		-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Acer CB342CU semiphuzx

ViewSonic VA3456-MHDJ