Comparison between Acer XR342CK vs Samsung C34J791

General Info
Model Number	Acer XR342CK	Samsung C34J791

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2016	2018
Brand	Acer	Samsung
Model Number	XR342CK	C34J791
Alias		LC34J791WTEXXS
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 Curvature	1900	1500
Display Manufacturer	LG Display	Samsung
Display Type	AH-IPS	SVA
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	89.22 %	91.27 %
Backlight Source	W-LED	Edge LED
sRGB	100 %	125 %
Adobe RGB 1998		92 %
NTSC 1953	72 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	3000 : 1
Dynamic Screen Contrast	100000000 : 1	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		6 ms
Display Minimum Response Time	4 ms	4 ms
Display Average Response Time		14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (2H)
3D	No	No
Size, weight, color
Case Depth	4.91 in 12.5 cm 124.7 mm 0.41 ft	6.57 in 16.7 cm 167 mm 0.55 ft
Case Weight	6.55 kg 14 lbs	6.3 kg 14 lbs
Case Width with Stand	32.13 in 81.6 cm 816.2 mm 2.68 ft	31.84 in 80.9 cm 808.7 mm 2.65 ft
Case Height with Stand	22.26 in 56.6 cm 565.5 mm 1.86 ft	20.31 in 51.6 cm 516 mm 1.69 ft
Case Depth with Stand	12.17 in 30.9 cm 309 mm 1.01 ft	12.18 in 30.9 cm 309.4 mm 1.02 ft
Case Weight with Stand	9.7 kg 21 lbs	7.7 kg 17 lbs
Case Color	Black	White, Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 (MHL 2.1) 1 x HDMI 2.0 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x DisplayPort 1.2 2 x Thunderbolt 3.0 1 x 3.5 mm Audio Out 2 x USB 2.0 (downstream) 1 x HDMI 1.4
Audio
Audio Speakers	2 x 7W	2 x 7W
Features
Cool Features	Picture-By-Picture Picture-in-Picture Adaptive-Sync Technology Flicker-free technology	Eye Saver Mode Flicker-free technology Picture-by-Picture Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Eco Saving Plus
Extra Features		Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	32.13 in 81.6 cm 816.2 mm 2.68 ft	31.84 in 80.9 cm 808.7 mm 2.65 ft
Case Height	14.48 in 36.8 cm 367.7 mm 1.21 ft	14.28 in 36.3 cm 362.8 mm 1.19 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	100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	No
Left Swivel	30 °
Right Swivel	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	2 °
Backward Tilt	35 °	34 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	48 Hz - 100 Hz
Horizontal Digital Frequency	30 kHz - 120 kHz	30 kHz - 152 kHz
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 cable
Certificates and Standards
Licenses	ENERGY STAR TCO Displays 6.0	ENERGY STAR FCC Class B ISO9241-307 TÜV/Ergonomics
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F	10 °C - 40 °C 50 °F - 104 °F
Safe Operating Humidity Level	10 % - 85 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 95 %

Acer XR342CK

Samsung C34J791