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Comparison between Dell Alienware AW2521H vs Acer Predator X25 SunSister Edition

General Info
Model Number Dell Alienware AW2521H Acer Predator X25 SunSister Edition
Price
Type Monitor Monitor
Year 2020 2021
Brand Dell Acer
Model Series Predator
Model Number Alienware AW2521H Predator X25 SunSister Edition
Alias X25SST2021
Display
Screen Size Class 25" (inches) 25" (inches)
Diagonal Size 24.5 in
62.2 cm
622.28 mm
2.04 ft
24.5 in
62.2 cm
622.3 mm
2.04 ft
Screen Width 21.41 in
54.4 cm
543.744 mm
1.78 ft
21.41 in
54.4 cm
543.744 mm
1.78 ft
Screen Height 11.91 in
30.3 cm
302.616 mm
0.99 ft
11.91 in
30.3 cm
302.616 mm
0.99 ft
Display Type IPS IPS
Display Bit Depth 8 bits 8 bits
Frame Rate Control No No
Max Number of Colors 16777216 16777216
Bits 24 24
Screen Aspect Ratio 16:9 16:9
Screen Resolution 1920 x 1080 1920 x 1080
Screen Pixel Pitch 0.283 mm 0.283 mm
Screen Pixel Density 89 ppi 89 ppi
Screen-to-Body Ratio 90.11 %
Backlight Source W-LED W-LED
sRGB 99 % 99 %
Adobe RGB 1998 73 %
Screen Brightness 430 cd/m² 350 cd/m²
Max Screen Brightness 460 cd/m² 400 cd/m²
Static Screen Contrast 1300 : 1 1000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 2 ms
Display Minimum Response Time 1 ms 0.3 ms
Display Average Response Time 3 ms
Display Maximum Response Time 7 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
HDR DisplayHDR 400
3D No No
Size, weight, color
Case Depth 2.87 in
7.3 cm
72.95 mm
0.24 ft
Case Weight 4.52 kg
10 lbs
3.83 kg
8 lbs
Case Width with Stand 21.9 in
55.6 cm
556.29 mm
1.83 ft
21.93 in
55.7 cm
557 mm
1.83 ft
Case Height with Stand 16.58 in
42.1 cm
421.21 mm
1.38 ft
16.18 in
41.1 cm
411 mm
1.35 ft
Case Depth with Stand 9.92 in
25.2 cm
251.92 mm
0.83 ft
9.29 in
23.6 cm
236 mm
0.77 ft
Case Weight with Stand 7.17 kg
16 lbs
5.88 kg
13 lbs
Case Color Dark Side of the Moon, Lunar Light Black
Hardware
Built-in Camera No No
Connectivity 2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out (headphones)
1 x 3.5 mm Audio Out (line-out)
3 x USB 3.2 (Type-A; Gen 1; downstream)
1 x USB 3.2 (Type-A; Gen 1; downstream; NVIDIA Reflex Latency Analyzer)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x USB 2.0
3 x USB 3.2 (Type-A; Gen 1; downstream)
Audio
Audio Speakers 2 x 2W
Features
Cool Features Flicker-free technology
Low Blue Light
NVIDIA Reflex Latency Analyzer
Ventilation and cooling design
NVIDIA G-SYNC technology
AlienFX RGB lights
AMD FreeSync Premium
AMD FreeSync technology
ZeroFrame Design
BluelightShield
NVIDIA G-Sync Compatible
ComfyView
Game View
VESA DDC2B (DDC/CI compatible)
NVIDIA Reflex Latency Analyzer
Flicker-free technology
ColorSense technology
AdaptiveLight technology
ProxiSense technology
LightSense technology
Adaptive-Sync technology
Low Blue light
Extra Features AW2521HF - Dark Side of the Moon
AW2521HFL - Lunar Light
Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 21.9 in
55.6 cm
556.29 mm
1.83 ft
21.93 in
55.7 cm
557 mm
1.83 ft
Case Height 12.92 in
32.8 cm
328.24 mm
1.08 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
115 mm
11.5 cm
4.5276 in
0.3773 ft
Landscape or Portrait Pivot Support Yes Yes
Left Pivot 90 ° 90 °
Right Pivot 90 ° 90 °
Left or Right Swivel Support Yes Yes
Left Swivel 20 ° 20 °
Right Swivel 20 ° 20 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 25 °
Frequency and Interpolation
Vertical Digital Frequency 48 Hz - 360 Hz 50 Hz - 360 Hz
Horizontal Digital Frequency 30 kHz - 255 kHz 30 kHz - 466 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras DisplayPort cable
HDMI cable
USB 3.0 Type-B to Type-A cable
DisplayPort cable
HDMI cable
USB cable
SunSister Gaming Mouse Pad 30 x 80 cm
Certificates and Standards
Licenses CCC
CE
FCC
ISO 9241-307
J-Moss green mark
MPRⅡ
PC recycling
PSE
RoHS
VCCI-B
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 % 20 % - 80 %
Internal Storage Temperature -20 °C - 80 °C
-4 °F - 176 °F
Internal Storage Humidity 5 % - 90 %
Max Operating Altitude 5000 5000
Max Storage Altitude 12192 12192
Dell Alienware AW2521H Acer Predator X25 SunSister Edition