Comparison between Acer XR383CUR vs Acer EI491CR

General Info
Model Number	Acer XR383CUR	Acer EI491CR

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

Acer XR383CUR

Acer EI491CR