Compare Alienware AW3821DW vs Acer Predator X38 vs Acer DM431
Connectivity
Ports
2x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out (headphones), 1x 3.5 mm Audio Out (line-out for speakers), 4x USB 3.2 (Type-A; Gen 1; downstream), 1x USB 3.2 (Type-B; Gen 1; upstream)
1x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x USB 3.0 (downstream), 1x USB 3.0 (upstream)
1x DisplayPort 1.2, 1x D-sub, 1x 3.5 mm Audio Out, 2x HDMI 1.4, 1x HDMI 2.0
Construction
Adjustment | Height
130 mm / 5.1181 in
130 mm / 5.1181 in
N/A
Adjustment | Pivot
N/A
N/A
N/A
Adjustment | Swivel
-20° ~ 20°
-30° ~ 30°
N/A
Adjustment | Tilt
-5° ~ 21°
-5° ~ 25°
N/A
Camera
No
No
No
Colors
Black
Black
Black
Form Factor
Curved monitor
Curved monitor
Speakers
2x 7W
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
200 x 200 mm
Dimensions
Bezels
90.21% screen-to-body ratio
Size | Depth
5.12 in / 130.1 mm w/o stand, 11.56 in / 293.5 mm w/ stand
9.45 in / 240 mm w/ stand
Size | Height
15.72 in / 399.4 mm w/o stand, 17.7 in / 449.7 mm w/ stand
23.91 in / 607.4 mm w/ stand
Size | Width
35.23 in / 894.9 mm
37.85 in / 961.4 mm
Weight
7.9 kg / 17 lbs w/o stand , 12.1 kg / 27 lbs w/ stand
7.7 kg / 17 lbs w/o stand , 7.9 kg / 17 lbs w/ stand
Display
Aspect Ratio
24:10
24:10
16:9
Brightness
450 nits / 600 nits (peak)
450 nits
250 nits
Contrast Ratio
1000:1 (static)
1000:1 (static), 5000000:1 (dynamic)
1000:1 (static), 100000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits, 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Curvature
2300R
2300R
Display Diagonal
38" (37.5 in / 952.5 mm)
38" (37.5 in / 952.5 mm)
43" (42.52 in / 1080 mm)
Display Type
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H), LG Display
IPS
Gamut
95% DCI-P3, 130.6% sRGB
98% DCI-P3, 135% sRGB
72% NTSC
Pixel Density
111 ppi
110 ppi
103 ppi
Pixel Pitch
0.229 mm
0.23 mm
0.245 mm
Refresh Rate
24 Hz ~ 144 Hz
144 Hz
23 Hz ~ 75 Hz
Resolution
UW4K (3840x1600)
UW4K (3840x1600)
4K (3840x2160)
Response Time
1 ms (min) / 3 ms (avg)
5 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V
Function
HDR
DisplayHDR 600
DisplayHDR 400
HDR10
Licenses
CECP, CEL, ENERGY STAR, RoHS Compliant, TCO Certified Displays, TUV Rheonland Eye Safety Certified
CB, CCC, CE, CECP, cETLus, eSTANDBY, EAC, FCC Class B, ISO9241-307, J-MOS, KUCAS, RCM, RoHS, SEMKO, TÜV/Ergonomics, WEEE, VCCI
Operating Humidity
10 % ~ 80 %
10 % ~ 85 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
5 °C ~ 35 °C , 41 °F ~ 95 °F
Variable Framerate
NVIDIA G-SYNC
NVIDIA G-SYNC
Video
ComfortView, Flicker-free technology, Nano IPS, Picture-by-Picture, Low Blue Light, AlienFX Lighting, Picture-in-Picture, Ambient Light Sensor
Dark Boost, Flicker-free technology, Nano IPS, Quantum Dot Color, HDCP (High-bandwidth Digital Content Protection), Acer HDR Ultra, ComfyView
Flicker-free technology, HDCP (High-bandwidth Digital Content Protection) 2.2, Picture-by-Picture, Picture-in-Picture, Low Blue Light, Blue Light Filter, DDC/CI
Performance
Power Consumption
46.35 W (average) / 125 W (max) / 0.3 W (sleep) / 0.2 W (off)
120 W (average) / 1.2 W (sleep) / 0.3 W (off)
73 W (average) / 100 W (max) / 0.45 W (sleep) / 0.35 W (off)
Production
Accessory
DisplayPort cable, HDMI cable, Mini-DisplayPort to DisplayPort Cable, USB Type-B 3.2 Gen 1 cable
DisplayPort cable, HDMI cable
Audio cable, D-sub cable, DisplayPort cable
Debut
2020
2019
2019
Reviews
Neofiliac score
94%
90%
41%
Pros
- DisplayHDR 600
- Ultra-wide form factor
- 2300 curvature
- Rich color reproduction
- Stand with tilt, swivel, and height adjustments
- Fast 1 ms response time
- High 1000:1 contrast ratio
- 10-bit display panel
- Support for NVIDIA G-SYNC
- DisplayHDR 400
- Ultra-wide form factor
- 2300R curvature
- Rich color reproduction
- Stand with tilt, swivel, and height adjustments
- High 1000:1 contrast ratio
- 10-bit display panel
- Support for NVIDIA G-SYNC
- Build-in speakers included
- High 1000:1 contrast ratio
- 10-bit display panel
- Build-in speakers included
Cons
- Stand lacks ergonomic adjustment
- Display panel not very bright
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