Alienware X15 R1 vs. Alienware M15 R2: Full specs comparison

We have comprehensively compared the specifications for the Alienware X15 R1 and Alienware M15 R2 models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

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Alienware X15 R1

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Alienware M15 R2

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Alienware X15 R1 Pros

Reasons that Alienware X15 R1 is better than Alienware M15 R2.

Newer manufacturing

2021 vs. 2019

Significantly faster CPU performance

Intel Core i9-11900H inside Alienware X15 R1 has a 24% better multi-core CPU performance score than the Intel Core i9-9980HK inside Alienware M15 R2.

Geekbench 5 multi-core score
Alienware X15 R1 - Intel Core i9-11900H
8,121
Alienware X15 R1 - Intel Core i7-11800H
7,908
Alienware M15 R2 - Intel Core i9-9980HK
6,504
Alienware M15 R2 - Intel Core i9-9880H
6,100
Alienware M15 R2 - Intel Core i7-9750H
4,880
Alienware M15 R2 - Intel Core i5-9300H
3,308
Supports larger memory

Alienware X15 R1 supports a larger memory capacity than the Alienware M15 R2. It supports up to 32GB versus 16GB of system memory on the Alienware M15 R2.

Max system memory size
Alienware X15 R1
32 GB
Alienware M15 R2
16 GB
Supports faster memory

Alienware X15 R1 supports a faster memory speed than the Alienware M15 R2. It supports up to 3200MHz versus 2666MHz of system memory on the Alienware M15 R2.

Memory type and speed
Alienware X15 R1 - DDR4
3,200 MHz
Alienware M15 R2 - DDR4
2,666 MHz

Alienware M15 R2 Pros

Reasons that Alienware M15 R2 is better than Alienware X15 R1.

About 5% lighter

Alienware M15 R2 weighed 4.76 pounds, 5% lighter than the 5 pounds Alienware X15 R1.

WeightAlienware X15 R1Alienware M15 R2
Pound
5 lbs.
4.76 lbs.
Kilogram
2.27 kg
2.16 kg

Prices

Here are the latest price updates and offers for both devices.

Alienware X15 Price
Alienware X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Intel Core i7-12700H, 16GB RAM, 512GB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, USB-C, WiFi 6, Bluetooth, Windows 11 Home - White
 Alienware X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Intel Core i7-12700H, 16GB RAM, 512GB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, USB-C, WiFi 6, Bluetooth, Windows 11 Home - White
By Alienware
$1,650.15
$1,999.97 17% OFF
See at Amazon
Alienware X15R1 Gaming Laptop - 15.6-inch FHD (1920x1080) 360Hz 1ms Display, Intel Core i7-11800H Processor, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 DDR6 Graphics, Windows 11 Home- Lunar Light
 Alienware X15R1 Gaming Laptop - 15.6-inch FHD (1920x1080) 360Hz 1ms Display, Intel Core i7-11800H Processor, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 DDR6 Graphics, Windows 11 Home- Lunar Light
By Alienware
$1,771.99
$1,899.97 7% OFF
See at Amazon
Dell Alienware X15 R2 Gaming Laptop (2022) | 15.6" QHD | Core i7 - 1TB SSD - 16GB RAM - 3070 Ti | 14 Cores @ 4.7 GHz - 12th Gen CPU - 8GB GDDR5 Win 11 Home (Renewed)
 Dell Alienware X15 R2 Gaming Laptop (2022) | 15.6" QHD | Core i7 - 1TB SSD - 16GB RAM - 3070 Ti | 14 Cores @ 4.7 GHz - 12th Gen CPU - 8GB GDDR5 Win 11 Home (Renewed)
By Dell
$1,314.99
See at Amazon
Alienware M15 R2 Price
2019 Dell Alienware m15 R2 Laptop 15.6" - Intel Core i7 9th Gen - i7-9750H - Six Core 4.5Ghz - 1TB SSD + 1TB SSD - 16GB RAM - Nvidia GeForce RTX 2060 - 1920x1080 FHD - Windows 10 Pro (Renewed)
 2019 Dell Alienware m15 R2 Laptop 15.6" - Intel Core i7 9th Gen - i7-9750H - Six Core 4.5Ghz - 1TB SSD + 1TB SSD - 16GB RAM - Nvidia GeForce RTX 2060 - 1920x1080 FHD - Windows 10 Pro (Renewed)
By Dell
$2,006.97
See at Amazon
Alienware m15 R7 Gaming Laptop - 15.6-inch 240Hz 2ms QHD, Intel Core i9-12900H, 32GB DDR5 RAM, 1TB SSD, NVIDIA Geforce RTX 3080 Graphics, Killer AX 1675i with Dell services, Windows 11 Home - Dark
 Alienware m15 R7 Gaming Laptop - 15.6-inch 240Hz 2ms QHD, Intel Core i9-12900H, 32GB DDR5 RAM, 1TB SSD, NVIDIA Geforce RTX 3080 Graphics, Killer AX 1675i with Dell services, Windows 11 Home - Dark
By Alienware
$1,261.79
$2,399.00 47% OFF
See at Amazon
Alienware X17 R2 Gaming Laptop - 17.3-inch FHD 480Hz 1ms Display, Intel Core i9-12900H, 16GB RAM, 1TB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, USB-C, Killer Wi-Fi 6, Windows 11 Home - Lunar Light
 Alienware X17 R2 Gaming Laptop - 17.3-inch FHD 480Hz 1ms Display, Intel Core i9-12900H, 16GB RAM, 1TB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, USB-C, Killer Wi-Fi 6, Windows 11 Home - Lunar Light
By Alienware
$2,259.62
See at Amazon

Specs Comparison

Availability

Alienware X15 R1Alienware M15 R2
Released20212019
Release DateAvailable on June 1, 2021
  • Announced at Computex 2019
  • Available on June 11, 2019
Pricing
  • $1,999.99
    i7-11800H 16GB 256GB RTX 3060 FHD 165Hz
  • $2,379.99
    i7-11800H 16GB 512GB RTX 3070 FHD 165Hz
  • $2,629.99
    i7-11800H 32GB 1TB RTX 3070 FHD 165Hz
  • $2,929.99
    i9-11900H 32GB 1TB RTX 3070 FHD 360Hz
-
Generations

Exterior

Alienware X15 R1Alienware M15 R2
Dimensions
  • 14.16” x 10.915” x 0.642” (359.7 x 277.25 x 16.3 mm)
    With FHD 165Hz diplay.
  • 14.16” x 10.915” x 0.626” (359.7 x 277.25 x 15.9 mm)
    With FHD 360Hz or QHD 240Hz diplay.
Base
Width: 14.19 in. (360.50 mm)
Depth: 10.87 in. (276 mm)
Height: 0.70 - 0.77 in. (17.90 - 19.50 mm)
With Tobii Eye Tracking
Width: 14.19 in. (360.50 mm)
Depth: 10.87 in. (276 mm)
Height: 0.720 - 0.807 in. (18.30 - 20.50 mm)
Weight5 - 5.2 lbs (2.27 - 2.36 kg)Average at 4.76 lbs (2.16 kg)
Colors
Lunar light
  • Dar Side of the moon
  • Lunar Light
Keyboard and Trackpad
  • Keyboard
    • Alienware X-Series thin keyboard
    • Per-key RGB LED with AlienFX lighting
    • Anti-ghosting and N-key rollover technology.
    • 1.5mm key travel.
  • Touchpad
    • Multi-touch gesture Premium Precision glass touchpad with integrated scrolling.
    • 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.
    • Supports AlienFX touchpad.
  • Alienware mSeries keyboard with per-key RGB LED.
  • AlienFX lighting
  • Includes anti-ghosting and N-key rollover technology
  • 1.7mm key travel
  • 0.2mm-dish concave key design
  • 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.

Display

Alienware X15 R1Alienware M15 R2
Size15.6 Inches15.6 Inches
Info
  • 15.6” FHD with 165Hz
    1920 x 1080 141 PPI ComfortView Plus 3ms response time 300 nits 16:9 100% sRGB color gamut 1000:1 Anti-glare WVA 6W
  • 15.6” FHD with 360Hz
    1920 x 1080 141 PPI ComfortView Plus NVIDIA G-Sync Advanced Optimus 1ms response time 300 nits 16:9 100% sRGB color gamut 1000:1 Anti-glare WVA 7.6W
  • 15.6” QHD with 240Hz
    2560 x 1440 188 PPI ComfortView Plus NVIDIA G-Sync Advanced Optimus 2ms response time 400 nits 16:9 99% DCI-P3 color gamut 1000:1 Anti-glare WVA 10.15 W
Full HD with 60Hz refresh rate
  • 1920 x 1080, 141 PPI, 35ms response time, 300 nits, 16:9, 72% color gamut, 700:1 contrast ratio, Anti-glare, 6.20W max power consumption.
Full HD with 144Hz refresh rate
  • 1920 x 1080, 141 PPI, 19ms response time, 300 nits, 16:9, 72% color gamut, 800:1 contrast ratio, Anti-glare, 7.80W max power consumption.
Full HD with 240Hz refresh rate
  • 1920 x 1080, 141 PPI, 8ms response time, 300 nits, 16:9, 72% color gamut, 1000:1 contrast ratio, Anti-glare, 4.41W max power consumption.
Ultra HD with 60Hz refresh rate
  • 3180 x 2160, OLED, 282 PPI, 1ms response time, 300 nits, 16:9, HDR-400 DCI-P3 color gamut, 10,000:1 contrast ratio, TrueLife, 14.80W max power consumption
All options
  • Wide Viewing Angles on all displays with 85 degrees viewing from all directions

Ports

Alienware X15 R1Alienware M15 R2
Alienware X15 R1 Ports
Image Source: Dell
Left
  • 1 x Headset port
Right
  • 1 x Power/DC-in Port
Back
  • 1 x Thunderbolt 4
    Supports USB 3.2 Gen 2, DisplayPort 1.4, and PD output 15W (5V/3A).
  • 1 x USB-C
    Supports USB 3.2 Gen 2, DisplayPort 1.4, and PD output 15W (5V/3A).
  • 1 x USB-A
    Supports USB 3.2 Gen 1 with PowerShare
  • 1 x HDMI 2.1
    Supports up to 4K@120Hz display out.
  • 1 x MicroSD Card Slot
Alienware M15 R2 Ports
Image Source: Dell
  • 1 x Power/DC-in Port
  • 1 x RJ-45 Ethernet port
  • 2 x Type-A USB 3.1 Gen 1 Port
  • 1 x Type-A USB 3.1 Gen 1 port with PowerShare technology
  • 1 x Thunderbolt™ 3 Port (USB Type-C™ with support for USB 3.1 Gen 2 10Gbps, 40Gbps Thunderbolt, and DisplayPort 1.2)
  • 1 x Alienware Graphics Amplifier Port
  • 1 x HDMI 2.0b Output Port
  • 1 x Mini-Display Port 1.4 (certified) Output Port
  • 1 x Audio Out 1/8" Ports (Compatible with inline mic headset)
  • 1 x Wedge-shaped lock slot (cable and lock sold separately)

Internal Specs

Alienware X15 R1Alienware M15 R2
Processor
  1. 11th Gen Intel® Core™ i7-11800H
    8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W
  2. 11th Gen Intel® Core™ i9-11900H
    8 cores, 16 threads, 2.50 → 4.90 GHz, 24MB SmartCache, 45W
  1. 9th Gen Intel® Core™ i5-9300H
    4 cores, 8 threads, 2.40 → 4.10 GHz, 8MB SmartCache, 45W
  2. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  3. 9th Gen Intel® Core™ i9-9880H
    8 cores, 16 threads, 2.30 → 4.80 GHz, 16MB SmartCache, 45W
  4. 9th Gen Intel® Core™ i9-9980HK
    8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 11th Gen Intel® Core™ i7-11800H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  2. 11th Gen Intel® Core™ i9-11900H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  1. 9th Gen Intel® Core™ i5-9300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 9th Gen Intel® Core™ i9-9880H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  4. 9th Gen Intel® Core™ i9-9980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
MemoryMemory Slots
  • Onbaord memory
Memory Configurations
  • Speed: 3200MHz
  • Memory Type: Dual-channel DDR4
  • Minimum Memory: 16 GB
  • Maximum Memory: 32 GB
  • 8 GB 16 GB
    2666 MHz Dual-channel DDR4 RAM.
Discrete Graphics
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 TGP: 70W Dynamic Boost: 20W Max Power: 90W Speed: 1050 → 1402 MHz
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 TGP: 90W Dynamic Boost: 20W Max Power: 110W Speed: 930 → 1410 MHz
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 TGP: 90W Dynamic Boost: 20W Max Power: 110W Speed: 930 → 1365 MHz
* All configurations include 8-phase HyperEfficient graphics voltage regulation.
  • NVIDIA® GeForce GTX® 1650 (4GB GDDR5)
  • NVIDIA® GeForce GTX® 1650 Ti (6GB GDDR5)
  • NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) OC Ready
  • NVIDIA® GeForce RTX™ 2070 (8GB GDDR6) with Max-Q Design
  • NVIDIA® GeForce RTX™ 2080 (8GB GDDR6) with Max-Q Design
Storage
  • 1 x M.2 2230 slots (Up to 256GB)
  • 2 x M.2 2280 slots (Up to 2TB each)
    Supports RAID-0
Single Storage Configurations
  • 256 GB PCIe M.2 SSD
  • 512 GB PCIe M.2 SSD
  • 512 GB Intel Optane M.2 SSD
  • 1 TB PCIe M.2 SSD
  • 2 TB PCIe M.2 SSD
Dual Storage Configurations
  • 512 GB RAID0 (2 x 256 GB PCIe M.2 SSDs)
  • 1 TB RAID0 (2 x 512 GB PCIe M.2 SSDs)
  • 512 GB Intel Optane M.2 SSD + 512 GB PCIe M.2 SSD
  • 2 TB RAID0 (2 x 1 TB PCIe M.2 SSDs)
  • 4 TB RAID0 (2 x 2 TB PCIe M.2 SSDs)

Connectivity

Alienware X15 R1Alienware M15 R2
Wi-FiRivet Killer Wi-Fi 6E AX1675x
Dual Band 2.4 GHz/5 GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
  • Intel 8265, Dual Band 2.4 GHz/5 GHz up to 867 Mbps, WiFi 802.11a/b/g/n/ac.
  • Rivet killer 1650w, Dual Band 2.4 GHz/5 GHz up to 2400 Mbps, WiFi 802.11a/b/g/n/ac/ax.
BluetoothBluetooth 5.2
  • Intel 8265 › Bluetooth 4.2
  • Rivet Killer 1650w › Bluetooth 5.0
Ethernet-
  • Killer E2600 PCI-E Gigabit Ethernet Controller
  • Killer E3000 PCI-E Gigabit Ethernet Controller (Optional)

Battery

Alienware X15 R1Alienware M15 R2
Size87 WHr, 6-cell smart lithium-ion battery6-cell lithium-ion polymer (76Wh) with Alienware Battery Defender technology
Battery Life-
  • Up to 15.5 hours on FHD panel
  • Up to 10.8 hours on UHD panel
Power Supply
240W
power adapter.
  • E4 130W (19.50 VDC/6.70A)
  • E4 180W (19.50 VDC/9.23A)
  • E4 240W (19.50 VDC/12.31A)
* Support Hybrid Power

Software

Alienware X15 R1Alienware M15 R2
OS
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Built-in Apps
  • Alienware Command Center
    AlienFX lighting Game Library Auto-tune game profile functionality Fusion Alienware Adrenalin Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)
  • Alienware Command Center
  • Alienware Adrenlin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)

Camera & Audio

Alienware X15 R1Alienware M15 R2
Camera
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Optional Windows Hello IR support.
  • Front-facing camera
    Alienware FHD (1920x1080 resolution) camera.
Audio
  • Controller: Realtek ALC3281
    • 7.1 Digital Audio out using HDMI out connection
    • Alienware Sound Center via Alienware Command Center
  • Speakers:
    • 2 x 4W speakers
  • Microphone:
    • Dual-array microphones
  • Realtek ALC3281-CG
  • 2.0 Speaker configuration
  • 7.1 Digital Audio out using HDMI out connection
  • Alienware Sound Center via Alienware Command Center
  • Microphone:
    • Digital-array microphones in the camera assembly

Misc

Alienware X15 R1Alienware M15 R2
SensorsWindows Hello IR Camera
  • Tobii Eye Tracking (Optional)
Security-
  • Wedge-shaped lock slot
Warranty1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis-
More-CHASIS
  • AlienFX Lighting Zones Programmable with up to 16.8 million distinct colors
  • Exterior Chassis Materials
    • Magnesium Alloy exterior shell
    • Copper Alloy thermal structures

Key Features

Alienware X15 R1Alienware M15 R2
At Glance
Released in Mid
2021
16:9 QHD
15.6”
1440p 240Hz
Weight
5 lb
2.27 kg
Up to
Intel Core i9-11900H
8C/16T, 2.50 → 4.90 GHz
Geekbench 5
1,430
Single Core
Geekbench 5
8,121
Multi-Core
With integrated
Intel® UHD Graphics
32 Execution Units, 350 → 1450 MHz
Configurable up to
32GB
3200 MHz DDR4
Alienware X15 R1 Ports
Nvidia GeForce
RTX 3080
8GB GDDR6 90W TGP
Released in Mid
2019
16:9 FHD
15.6”
1080p 240Hz
Weight
4.76 lb
2.16 kg
Up to
Intel Core i9-9980HK
8C/16T, 2.40 → 5.00 GHz
Geekbench 5
1,114
Single Core
Geekbench 5
6,504
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Configurable up to
16GB
2666 MHz DDR4
Alienware M15 R2 Ports
Nvidia GeForce
RTX 2080 SUPER
8GB GDDR6 with Max-Q

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