Comparison between Acer EI491CR vs Acer XR383CUR

General Info
Model Number	Acer EI491CR	Acer XR383CUR

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2021
Brand	Acer	Acer
Model Series	EI1
Model Number	EI491CR	XR383CUR
Alias	EI491CR Pbmiiipx EI491CRPbmiiipx
Display
Screen Size Class	49" (inches)	38" (inches)
Diagonal Size	49 in 124.5 cm 1244.6 mm 4.08 ft	37.5 in 95.3 cm 952.5 mm 3.13 ft
Screen Width	47.08 in 119.6 cm 1195.78 mm 3.92 ft	34.76 in 88.3 cm 882.816 mm 2.9 ft
Screen Height	13.24 in 33.6 cm 336.31 mm 1.1 ft	14.48 in 36.8 cm 367.84 mm 1.21 ft
Display Curvature	1800	2300
Display Manufacturer	Samsung	LG Display
Display Type	VA	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	36:10	24:10
Screen Resolution	3840 x 1080	3840 x 1600
Screen Pixel Pitch	0.311 mm	0.229 mm
Screen Pixel Density	81 ppi	110 ppi
Screen-to-Body Ratio	89.52 %	91.85 %
Backlight Source	W-LED	W-LED
DCI P3	90%	95%
Screen Brightness	400 cd/m²
Max Screen Brightness		750 cd/m²
Static Screen Contrast	3000 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	1 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10 DisplayHDR 400	DisplayHDR 600
3D	No	No
Size, weight, color
Case Depth	6.77 in 17.2 cm 172 mm 0.56 ft	4.38 in 11.1 cm 111.3 mm 0.37 ft
Case Weight	9.3 kg 20 lbs
Case Width with Stand	47.17 in 119.8 cm 1198 mm 3.93 ft	35.29 in 89.6 cm 896.4 mm 2.94 ft
Case Height with Stand	17.95 in 45.6 cm 456 mm 1.5 ft	18.02 in 45.8 cm 457.6 mm 1.5 ft
Case Depth with Stand	9.45 in 24 cm 240 mm 0.79 ft	12.16 in 30.9 cm 308.9 mm 1.01 ft
Case Weight with Stand	11.4 kg 25 lbs
Case Color	Black	Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.2 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x HDMI 2.0	2 x HDMI 2.1 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-C; Gen 1; 65W; DP Alt Mode)
Audio
Audio Speakers	2 x 3W	2 x 7W
Features
Cool Features	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) Picture-in-Picture Picture-by-Picture AMD FreeSync 2 technology Blue Light Filter	Flicker-free technology Low Blue Light NVIDIA G-Sync Compatible Picture-in-Picture Picture-by-Picture Agile-Splendor IPS AMD FreeSync Premium ComfyView
Ergonomics
Case Width	47.17 in 119.8 cm 1198 mm 3.93 ft	35.29 in 89.6 cm 896.4 mm 2.94 ft
Case Height	14.76 in 37.5 cm 375 mm 1.23 ft	15.53 in 39.4 cm 394.4 mm 1.29 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	15 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 144 Hz	48 Hz - 165 Hz
Horizontal Digital Frequency	53 kHz - 160.56 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable
Certificates and Standards
Licenses	CCC CE ENERGY STAR ErP RoHS TCO Certified Displays	BSMI cCSAus CCC CE China RoHS Energy Star EPA FCC Win7
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	20 % - 80 %

Acer EI491CR

Acer XR383CUR