Compare Dell Alienware AW2521H vs Philips 278M1R
Connectivity
Ports
1x USB 3.0 (Type-B; upstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out (headphones), 1x 3.5 mm Audio Out (line-out), 1x DisplayPort 1.2, 3x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-A; downstream; BC 1.2 2A)
2x USB 3.2 (Type-A; Gen 1; downstream; BC 1.2), 2x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.2, 1x USB 3.2 (Type-A; Gen 1; downstream), 1x USB 3.2 (Type-B; Gen 1; upstream)
Construction
Adjustment | Height
130 mm / 5.1181 in
130 mm / 5.1181 in
Adjustment | Pivot
-90° ~ 90°
N/A
Adjustment | Swivel
-20° ~ 20°
-33° ~ 33°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 20°
Camera
No
No
Colors
Black
Black
Speakers
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
90.11% screen-to-body ratio
88.17% screen-to-body ratio
Size | Depth
2.87 in / 72.95 mm w/o stand, 9.92 in / 251.92 mm w/ stand
2.95 in / 75 mm w/o stand, 9.88 in / 251 mm w/ stand
Size | Height
12.92 in / 328.24 mm w/o stand, 16.58 in / 421.21 mm w/ stand
14.57 in / 370 mm w/o stand, 17.2 in / 437 mm w/ stand
Size | Width
21.9 in / 556.29 mm
24.17 in / 614 mm
Weight
3.55 kg / 8 lbs w/o stand , 7.17 kg / 16 lbs w/ stand
4.53 kg / 10 lbs w/o stand , 6.74 kg / 15 lbs w/ stand
Display
Aspect Ratio
16:9
16:9
Brightness
400 nits
350 nits
Contrast Ratio
1000:1 (static)
1000:1 (static), 50000000:1 (dynamic)
Display Backlight
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Diagonal
25" (24.5 in / 622.3 mm)
27" (27 in / 685.8 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
99% sRGB
89% Adobe RGB, 91% DCI-P3, 105% sRGB
Pixel Density
89 ppi
163 ppi
Pixel Pitch
0.283 mm
0.155 mm
Refresh Rate
48 Hz ~ 360 Hz
23 Hz ~ 75 Hz
Resolution
FHD (1920x1080)
4K (3840x2160)
Response Time
1 ms (min)
4 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
Function
Licenses
CB, CCC, CECP, CEL, CE Mark, CU-EAC, RoHS, TUV/ISO9241-307, TUV-BAUART, UKRAINIAN
Operating Humidity
10 % ~ 80 %
20 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
RGB Lighting
Ambiglow RGB lighting
Variable Framerate
NVIDIA G-SYNC, AMD FreeSync Premium
Video
Low Blue Light, Flicker-free technology
DDC/CI, Flicker-free technology, Low Blue Light, Separate Sync, Mega Infinity DCR, HDR ready, 4-sided Ambiglow, SmartImage, Adaptive-Sync Technology, SmartUniformity
Performance
Energy Efficiency
B
Power Consumption
24 W (average) / 72 W (max) / 12.8 W (eco) / 0.3 W (sleep) / 0.3 W (off)
35.1 W (average) / 0.5 W (sleep) / 0.3 W (off)
Production
Accessory
DisplayPort cable, HDMI cable, USB 3.0 Type-B to Type-A cable
HDMI cable, DisplayPort cable, USB Type-B cable
Debut
2020
2020
Reviews
Neofiliac score
72%
79%
Pros
- Stand with tilt, swivel, pivot, and height adjustments
- Fast 1 ms response time
- High 1000:1 contrast ratio
- Support for NVIDIA G-SYNC
- High 90.11 % screen-to-body ratio
- Rich color reproduction
- Stand with tilt, swivel, and height adjustments
- High 1000:1 contrast ratio
- 10-bit display panel
- Build-in speakers included
Cons
- No publicized HDR support
- 8-bit display panel
- No publicized HDR support
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