Comparison between Acer Predator X45 vs Dell U4021QW

General Info
Model Number	Acer Predator X45	Dell U4021QW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2023	2021
Brand	Acer	Dell
Model Number	Predator X45	U4021QW
Display
Screen Size Class	45" (inches)	40" (inches)
Screen Width		37.27 in 94.7 cm 946.6 mm 3.11 ft
Display Curvature	800	2500
Display Manufacturer	LG Display
Display Type	OLED	IPS
Display Bit Depth	10 bits	10 bits
Frame Rate Control	No
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	21:9	21:9
Screen Resolution	3440 x 1440	5120 x 2160
Backlight Source		W-LED
DCI P3	98.5%	98%
sRGB		100 %
Screen Brightness	150 cd/m²	300 cd/m²
Max Screen Brightness	1000 cd/m²
Static Screen Contrast	1500000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	0.01 ms	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Width with Stand		37.27 in 94.7 cm 946.6 mm 3.11 ft
Case Height with Stand		18.02 in 45.8 cm 457.8 mm 1.5 ft
Case Depth with Stand		9.76 in 24.8 cm 248 mm 0.81 ft
Case Weight with Stand		9.5 kg 21 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 2 x USB 3.2 (Type-A; downstream) 1 x USB 3.2 (Type-B; upstream)	1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)
Audio
Audio Speakers	2 x 5W	2 x 9W
Features
Cool Features	KVM Switch Low Blue Light AMD FreeSync Premium Flicker-free technology	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology
Extra Features	Antu-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 200	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment		Yes
Height Adjustment Range		120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support		No
Left or Right Swivel Support		Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support		Yes
Forward Tilt		5 °
Backward Tilt		21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 240 Hz	60 Hz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras		DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable
Certificates and Standards
Licenses	TÜV Rheinland EyeSafe Certified
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	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 % - 85 %	5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Acer Predator X45

Dell U4021QW