Alienware M15 R2 vs. Alienware x17 R2

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Alienware M15 R2 and Alienware x17 R2. Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Laptop Specifications Comparison

Alienware M15 R2 vs. Alienware x17 R2 Comparison Chart
DESIGN AND DIMENSIONS Alienware M15 R2 Alienware x17 R2
Product Type Notebook Notebook
Dimensions (WxDxH) 36.05 cm x 27.6 cm x 1.95 cm 39.923 cm x 29.957 cm x 2.09 cm
Weight 2.16 kg 2.99 kg
Colour Lunar light Lunar light
DISPLAY Alienware M15 R2 Alienware x17 R2
Screen Size (Type) 15.6" 17.3"
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 141 127
V-Sync Rate at Max Res. 144 Hz 480 Hz
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 72% 100% sRGB
Features Anti-glare, Tobii IR Eye-tracking, ±85° horizontal viewing angle, ±85° vertical viewing angle, 9 ms response rate, 0.179 mm pixel pitch Anti-glare, Wide Viewing Angle, 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, 0.2 mm pixel pitch
PROCESSOR Alienware M15 R2 Alienware x17 R2
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz Intel Core i9 (12th Gen) 12900HK / 2.5 GHz
Max Turbo Speed 4.5 GHz 5 GHz
Number of Cores 6-core 14-core
Cache 12 MB L3 - 24 MB
64-bit Computing Yes -
Chipset Mobile Intel HM370 -
Features Intel Turbo Boost Technology 2.0 Intel Smart Cache, Intel Turbo Boost Max Technology 3.0
MEMORY Alienware M15 R2 Alienware x17 R2
RAM 16 GB (2 x 8 GB) 32 GB (2 x 16 GB)
Max RAM Supported 32 GB 64 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 2666 MHz 4800 MHz
Rated Speed 2666 MHz 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 0 0
STORAGE Alienware M15 R2 Alienware x17 R2
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Alienware M15 R2 Alienware x17 R2
Graphics Processor (GPU) NVIDIA GeForce RTX 2060 NVIDIA GeForce RTX 3080 Ti
Video Memory 6 GB GDDR6 SDRAM 16 GB GDDR6 SDRAM
Video System Features Overclocked NVIDIA G-SYNC, AMD FreeSync, Advanced Optimus
Gaming - Yes
Camera Yes - Full HD Yes - 1280 x 720 (standard), 640 x 360 (infrared)
Resolution 0.92 Megapixel 0.92 Megapixel (standard), 0.23 Megapixel (infrared)
Camera Features 74.9 degrees, RGB camera IR/RGB camera, 75.8 degrees
Image Sensor Type CMOS CMOS
Video Resolutions 1280 x 720 1280 x 720
Frame Rate 30 frames per second 30 frames per second
Sound Stereo speakers, dual array microphone Two tweeters, two woofers, dual array microphone
Codec Realtek ALC3281-CG Realtek ALC3281
Compliant Standards High Definition Audio High Definition Audio
COMMUNICATIONS Alienware M15 R2 Alienware x17 R2
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Dual Band Wireless-AC 8265 Killer Wi-Fi 6E AX1675
Network Interface Gigabit Ethernet 2.5 Gigabit Ethernet
Ethernet Controller - Killer Ethernet E3100G
BATTERY Alienware M15 R2 Alienware x17 R2
Technology 6-cell Lithium Ion 6-cell Lithium Ion
Battery Capacity (Size) 76 Wh 87 Wh
Battery Life - Up to 6 hours
AC ADAPTER Alienware M15 R2 Alienware x17 R2
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 19.5 V 19.5 V
INPUT Alienware M15 R2 Alienware x17 R2
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes (RGB)
Features Multi-gesture touch pad, Per-Key illumination Multi-gesture touch pad, Per-Key illumination
CONNECTIONS & EXPANSIONS Alienware M15 R2 Alienware x17 R2
Interfaces 2 x USB 3.1 Gen 1
USB 3.1 Gen 1 (PowerShare)
USB-C 3.1 Gen 2 (supports Thunderbolt 3)
HDMI
Mini DisplayPort
Graphics Amplifier Port
Headphone/microphone combo jack
LAN
HDMI
Mini DisplayPort 1.4
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 1 (PowerShare)
LAN (RJ-45)
Headphone/microphone combo jack
Memory Card Reader - Yes (microSD, microSDHC, microSDXC)
SOFTWARE Alienware M15 R2 Alienware x17 R2
Operating System (OS) Windows 10 Home Advanced 64-bit Edition Windows 11 Home
Software Included - Microsoft Office 2013 (Trial)
MISCELLANEOUS Alienware M15 R2 Alienware x17 R2
Included Accessories Power adapter Power adapter
Security Slot Type Noble Wedge security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features MIMO technology, AlienFX Lighting Zones, Cryo-Tech cooling v3.0 AlienFX Lighting Zones, retail packaging
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 0 °C
Humidity Range Operating 10 - 90% (non-condensing) 10 - 90% (non-condensing)
Manufacturer Warranty - Limited warranty - 1 year
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