Comparison between Dell UltraSharp U2515H vs Dell Alienware AW2521HF

General Info
Model Number	Dell UltraSharp U2515H	Dell Alienware AW2521HF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2020
Brand	Dell	Dell
Model Number	UltraSharp U2515H	Alienware AW2521HF
Alias		Alienware AW2521HFL
Display
Screen Size Class	25" (inches)	25" (inches)
Diagonal Size	24.98 in 63.4 cm 634.4 mm 2.08 ft	24.5 in 62.2 cm 622.3 mm 2.04 ft
Screen Width	21.77 in 55.3 cm 552.96 mm 1.81 ft	21.41 in 54.4 cm 543.744 mm 1.78 ft
Screen Height	12.25 in 31.1 cm 311.04 mm 1.02 ft	11.91 in 30.3 cm 302.616 mm 0.99 ft
Display Manufacturer	LG Display
Display Type	AH-IPS	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	1920 x 1080
Screen Pixel Pitch	0.216 mm	0.283 mm
Screen Pixel Density	117 ppi	89 ppi
Screen-to-Body Ratio	89.24 %	90.11 %
Backlight Source	W-LED	W-LED
sRGB	99 %	99 %
NTSC 1953	72 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	2000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	13.7 ms
Display Minimum Response Time	6 ms	1 ms
Display Maximum Response Time	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.83 in 4.6 cm 46.4 mm 0.15 ft	2.87 in 7.3 cm 72.95 mm 0.24 ft
Case Weight	4.4 kg 10 lbs	3.55 kg 8 lbs
Case Width with Stand	22.4 in 56.9 cm 569 mm 1.87 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height with Stand	15.67 in 39.8 cm 398 mm 1.31 ft	16.58 in 42.1 cm 421.21 mm 1.38 ft
Case Depth with Stand	8.07 in 20.5 cm 205 mm 0.67 ft	9.92 in 25.2 cm 251.92 mm 0.83 ft
Case Weight with Stand	6.5 kg 14 lbs	7.17 kg 16 lbs
Case Color	Black, Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 1.4 (MHL 2.0) 1 x DisplayPort 1.2 1 x DisplayPort 1.2 (Output MST) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (Input mini) 5 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x USB 3.0 (Type-B; upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out (headphones) 1 x 3.5 mm Audio Out (line-out) 1 x DisplayPort 1.2 3 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-A; downstream; BC 1.2 2A)
Audio
Features
Cool Features		Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology
Extra Features	Anti-theft stand lock slot Security lock slot
Ergonomics
Case Width	22.4 in 56.9 cm 569 mm 1.87 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height	13.33 in 33.9 cm 338.7 mm 1.11 ft	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	115 mm 11.5 cm 4.5276 in 0.3773 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	0 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	20 °
Right Swivel	45 °	20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 86 Hz	48 Hz - 240Hz
Horizontal Digital Frequency	30 kHz - 113 kHz	30 kHz - 255 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable - mini-DP to DP Factory calibration report HDMI cable USB 3.0 upstream cable	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable
Certificates and Standards
Licenses	ENERGY STAR 6.0 Epeat Gold RoHS Compliant TCO Certified Displays
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 - 80 °C -4 °F - 176 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell UltraSharp U2515H

Dell Alienware AW2521HF