Compare Dell Precision 5550 vs Dell Precision 7760 vs Alienware x15
Variants
FHD+
4K
4K
FHD
FHD 165Hz
QHD
FHD 360Hz
Connectivity
Ports
3x Thunderbolt 3 + 1x Audio jack + 1x SD card
2x Thunderbolt 4 + 3x USB 3.2 Gen1 + 1x HDMI 2.1 + 1x Mini DisplayPort 1.4 + 1x Audio combo + 1x RJ45 + 1x SD card + 1x Smart card reader
1x USB 3.2 Gen1 + 1x USB 3.2 Gen2 + 1x Thunderbolt 4 + 1x HDMI 2.1 + 1x RJ45 + 1x Audio combo + 1x MicroSD
Wireless Connectivity
WiFi 6, Bluetooth 5.1
WiFi 6, no Bluetooth or WiFi 6E + Bluetooth 5.2 + 5G WWAN
WiFi 6E + Bluetooth 5.2
Construction
Battery | Capacity
56 or 86 Wh
68 or 95 Wh
Camera | Front
IR HD fixed focus camera
HD camera, optional IR with proximity sensor
720p HD
Colors
Lunar Light
Material
Aluminum exterior shell
Magnesium Alloy exterior shell and copper alloy thermal components
Microphone
Omni-directional
Dual-array microphones
Speakers
Stereo woofer 2.5 W x 2 and stereo tweeter 1.5 W x 2
2x 2W stereo speakers
Stereo speakers, 8W in total
Dimensions
Size | Depth
230.30 mm
263.6 mm / 10.38"
277.25 mm / 10.915"
Size | Height
11.65 mm
25.98 ~ 28.60 mm / 1.02" ~ 1.13"
Size | Width
344.4 mm
400 mm / 15.75"
359.7 mm / 14.16"
Weight
1.84 kg
3.01 kg / 6.65 lbs
3.02 kg / 6.65 lbs ~ 3.2 kg / 7.05 lbs
Display
Aspect Ratio
16:10
16:9
16:9
Display Diagonal
17 inch
17.3 inch
15.6 inch
Display Type
IPS, anti-glare
IPS
Gamut
100% sRGB
Refresh Rate
60 Hz
Resolution
FHD (1920x1080) or 4K UHD (3840x2160)
FHD (1920x1080) or QHD (2560x1440)
Function
Audio
Realtek ALC3281
Graphics
Intel UHD Graphics 630, NVIDIA Quadro T1000, or Quadro T2000
Intel UHD or NVIDIA T1200 4GB, A3000 6GB, A4000 8GB, or A5000 16GB GDDR6
NVIDIA GeForce RTX 3060 6GB GDDR6 or RTX 3070 8GB GDDR6
Keyboard Backlight
White
Optional
per-key AlienFX RGB lighting
Operating System
Windows 10 or Ubuntu Linux 18.04
Windows 10, Windows 11, or Ubuntu Linux 20.04
Windows 10
Processor
10th-gen Intel Core i5, i7, i9 H-series or Xeon W-series
11th-gen Intel Core i5-11500H, i7-11800H, i7-11850H, or i9-11950H or Xeon W-11855M or W-11955M Tiger Lake
Intel Core i7-11800H or i9-11900H Tiger Lake
RGB Lighting
AlienFX lighting programmable with up to 16.8 million distinct colors
Touch Screen
4K panel only
Variable Framerate
NVIDIA G-SYNC available for 240Hz QHD & 360Hz FHD panels
Performance
Key Travel
1.65 mm
Memory | Capacity
2x SoDIMM up to 64GB (non-ECC) or 32GB (ECC)
Up to 128GB, 4x SO-DIMMs
16 or 32 GB
Memory | Type
DDR4 2933MHz non-ECC or DDR4 2666MHz ECC
DDR4 3200MHz non-ECC or ECC, or DDR4 3466MHz non-ECC
DDR4 3200MHz
Storage
M.2 PCIe NVMe up to 1TB, Self encrypting SSD available
Up to 4TB PCIe 4 x4 NVMe SSD
Up to 4TB (2x 2TB) PCIe NVMe SSD, RAID supported
Production
Availability
2021-06
Debut
2020-05
2021-05
2021-06
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