Alienware X15 R1 vs. Alienware M15 R4

Here is a side by side comparison between Alienware X15 R1 and Alienware M15 R4 specs including CPU, RAM, storage, battery, display, and more.

Alienware X15 R1 vs. Alienware M15 R4

The 2021 Alienware X15 R1 features the 45W 11th Generation Intel Tiger Lake 8-core Intel Core i7-11800H up to 8-core Intel Core i9-11900H with the boost speed up to 4.90 GHz. While the 2021 Alienware M15 R4 features the 45W 10th Generation Intel Comet Lake 8-core Intel Core i7-10870H up to 8-core Intel Core i9-10980HK with the boost speed up to 5.30 GHz.

If you want to know more what's the difference between the 15.6″ Alienware X15 R1 (2021) and the 15.6″ Alienware M15 R4 (2021), we have a detailed tech specs comparison between both devices for you to check out here.

Alienware X15 R1 vs. Alienware M15 R4: Specs Comparison

Alienware X15 R1 image

Alienware X15 R1

Alienware M15 R4 image

Alienware M15 R4

Key Features
What's new
  • Alienware Element 31 thermal interface material - made of a Gallium-Silicone matrix that delivers a 25% improvement in thermal resistance over the previous generation.
  • Alienware’s Quad Fan Design - produces dedicated airflow using evacuative fans and dual opposite outlet fans. Moving this much air and managing heat enables this level of performance with this thin design.
  • 11th Gen Intel® Core™ processors - features the latest 11th Generation of Intel H-Series processors up to 8-Core Intel Core i9-11900H up to 4.90 GHz.
  • GeForce RTX™ 30-series graphics - it now comes with the second generation of RTX technology that available in NVIDIA® GeForce RTX™ 3060, 3070, and up to RTX 3080 with 8GB of GDDR6.
  • Nvidia G-Sync & Advanced Optimus Technology - Available on QHD 240Hz and FHD 360Hz display. While the ComfortView Plus, hardware-based low blue light technology available on all x15 configurations.
Faster Memory
It's now equipped with a faster DDR4 memory to bump the speed up from 2666 MHz to 2933 MHz
GeForce RTX™ 30-series graphics
It now comes with the second generation of RTX technology that available in NVIDIA® GeForce RTX™ 3070 and 3080 with 8GB of GDDR6.
Native [email protected] Support
The M15 R4 has the latest native HDMI 2.1b port to support 4K at 120Hz display output.
What's missing
  • Non-upgradable memory
  • No lock slot
  • No Alienware Graphics Amplifier Port
  • Same 10th Gen Intel processors as its predecessor.
AvailabilityAlienware X15 R1Alienware M15 R4
Released20212021
Release InfoAvailable on June 1, 2021
  • Announced on January 12, 2021 (CES 2021)
  • Available on January 26, 2021
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
Starting at $2,149.99
Alienware X15 Price
Alienware x15 R1, 15.6 inch FHD 360Hz Non-Touch Gaming Laptop - Intel Core i7-11800H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
Alienware x15 R1, 15.6 inch FHD 360Hz Non-Touch Gaming Laptop - Intel Core i7-11800H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
By Alienware
$2,549.99
Alienware X15 R1 VR Ready Gaming Laptop - 15.6 inch 360Hz FHD 1080p Display, NVIDIA GeForce RTX 3070, Intel Core i7-11800H (11th Gen), 16GB DDR4 RAM, 1TB SSD, Wi-Fi 6, Windows 11 Home - Lunar Light
Alienware X15 R1 VR Ready Gaming Laptop - 15.6 inch 360Hz FHD 1080p Display, NVIDIA GeForce RTX 3070, Intel Core i7-11800H (11th Gen), 16GB DDR4 RAM, 1TB SSD, Wi-Fi 6, Windows 11 Home - Lunar Light
By Alienware
$2,199.99
Dell Alienware X15 R1 Gaming Laptop (2021) | 15.6" FHD | Core i7 - 1TB SSD - 32GB RAM - RTX 3070 | 8 Cores @ 4.6 GHz - 11th Gen CPU - 8GB GDDR6 (Renewed)
Dell Alienware X15 R1 Gaming Laptop (2021) | 15.6" FHD | Core i7 - 1TB SSD - 32GB RAM - RTX 3070 | 8 Cores @ 4.6 GHz - 11th Gen CPU - 8GB GDDR6 (Renewed)
By Dell
$3,499.00
Alienware M15 R4 Price
Alienware m15 R4 RTX 3070 Gaming Laptop Full HD (FHD), 15.6 inch - Intel Core i7-10870H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
Alienware m15 R4 RTX 3070 Gaming Laptop Full HD (FHD), 15.6 inch - Intel Core i7-10870H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
By Alienware
$1,999.98
Was: $2,169.29
2021 Dell Alienware m15 R4 Laptop 15.6 - Intel Core i7 10th Gen - i7-10870H - Eight Core 5Ghz - 512GB SSD - 16GB RAM - Nvidia GeForce RTX 3060 - 1920x1080 FHD - Windows 10 Home Dark (Renewed)
2021 Dell Alienware m15 R4 Laptop 15.6 - Intel Core i7 10th Gen - i7-10870H - Eight Core 5Ghz - 512GB SSD - 16GB RAM - Nvidia GeForce RTX 3060 - 1920x1080 FHD - Windows 10 Home Dark (Renewed)
By Dell
$1,515.79
Was: $1,599.00
Dell Alienware m15 R4 Gaming Laptop (Intel i7-10870H 8-Core, 16GB RAM, 1TB m.2 SATA SSD, RTX 3070, 15.6" Full HD (1920x1080), WiFi, Bluetooth, Webcam, 1xHDMI, 1 Mini Display Port, Win 10 Home)
Dell Alienware m15 R4 Gaming Laptop (Intel i7-10870H 8-Core, 16GB RAM, 1TB m.2 SATA SSD, RTX 3070, 15.6" Full HD (1920x1080), WiFi, Bluetooth, Webcam, 1xHDMI, 1 Mini Display Port, Win 10 Home)
By Dell
$2,099.00
DisplayAlienware X15 R1Alienware M15 R4
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
  • 15.6” FHD with 300Hz
    1920 x 1080 141 PPI 3ms response time 300 nits 16:9 100% sRGB color gamut Anti-glare WVA 6.3W
  • 15.6” UHD with 60Hz
    3840 x 2160 OLED 282 PPI 1ms response time 400 nits 16:9 HDR-400 100% DCI-P3 color gamut 100000:1 contrast ratio TrueLife Tobii Eyetracking technology WVA 14.8W
ExteriorAlienware X15 R1Alienware M15 R4
Size Comparison
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.
  • 14.19” x 10.879” x 0.724 - 0.807 - 0.776” (360.3 mm x 276.32 mm x 18.39 - 20.5 - 19.7 mm)
    Alienware M15 R4 with OLED display models
  • 14.19” x 10.863” x 0.701 - 0.783 - 0.776” (360.3 mm x 275.92 mm x 17.8 - 19.9 - 19.7 mm)
    Alienware M15 R4 with 300Hz display models
Weight5 - 5.2 lbs (2.27 - 2.36 kg)Starting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)
Colors
Lunar light
  • Dark Side of the Moon with High Endurance Clear Coat
  • Lunar Light with High Endurance Clear Coat
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.
  • Keyboard
    • Alienware mSeries 4-Zone AlienFX RGB keyboard.
    • 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.
PortsLeft
  • 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 [email protected] display out.
  • 1 x MicroSD Card Slot
  • 1 x Thunderbolt™ 3 Port
    Supports USB Type-C™ with support for USB 3.2 Gen 2 10Gbps, 40Gbps Thunderbolt, and DisplayPort 1.2.
  • 2 x Type-A USB 3.2 Gen 1 Port
  • 1 x Type-A USB 3.2 Gen 1 port with PowerShare technology
  • 1 x RJ-45 Killer™ Ethernet E3000 10/100/1000Mbps/2.5Gbps Port
  • 1 x Alienware Graphics Amplifier Port
  • 1 x HDMI 2.1
    Supports up to [email protected] display out.
  • 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)
  • 1 x microSD 5.1, UHD-II HD312 Card Reader
  • 1 x Power/DC-in Port
Internal SpecsAlienware X15 R1Alienware M15 R4
Processor
  • 11th Gen Intel® Core™ i7-11800H
    8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W
  • 11th Gen Intel® Core™ i9-11900H
    8 cores, 16 threads, 2.50 → 4.90 GHz, 24MB SmartCache, 45W
  • 10th Gen Intel® Core™ i7-10870H
    8 cores, 16 threads, 2.20 → 5.00 GHz, 16MB SmartCache, 45W
  • 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics
  • 11th Gen Intel® Core™ i7-11800H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  • 11th Gen Intel® Core™ i9-11900H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  • 10th Gen Intel® Core™ i7-10870H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  • 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
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 RTX™ 3070
    8GB GDDR6 VRAM.
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 VRAM.
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 32 GB
2933 MHz Dual-channel DDR4 RAM.
Storage
  • 1 x M.2 2230 slots (Up to 256GB)
  • 2 x M.2 2280 slots (Up to 2TB each)
    Supports RAID-0
Available Slots
  • One M.2 2230 slot (Up to 512GB)
  • Two M.2 2230/2280 slots (Up to 2TB each)
Single Drive
  • 256 GB PCIe M.2 SSD
  • 512 GB PCIe M.2 SSD
  • 1 TB PCIe M.2 SSD
  • 2 TB PCIe M.2 SSD
RAID-0
  • 512GB (2x256 PCIe M.2 SSD) RAID0
  • 1TB (2x 512 PCIe M.2 SSD) RAID0
  • 2TB (2x 1TB PCIe M.2 SSD) RAID0
  • 4TB (2x 2TB PCIe M.2 SSD) RAID0
RAID-0 Plus
  • 1TB (2x 512GB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
  • 2TB (2x 1TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
  • 4TB (2x 2TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
ConnectivityAlienware X15 R1Alienware M15 R4
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
  • Rivet Killer Wi-Fi 6 AX1650i
    Dual Band 2.4 GHz/5 GHz up to 2400 Mbps, WiFi 802.11a/b/g/n/ac/ax.
BluetoothBluetooth 5.2
  • Rivet Killer Wi-Fi 6 AX1650i › Bluetooth 5.1
Ethernet
  • Killer™ Ethernet E3100X PCI-e Gigabit ethernet controller
    Transfer rate: 10/100/1000/2500 Mbps
BatteryAlienware X15 R1Alienware M15 R4
Size87 WHr, 6-cell smart lithium-ion battery86 WHr, 6-cell smart lithium-ion with Alienware Battery Defender
Power Supply
240W
power adapter.
240W (19.50 VDC/12.31A)
SoftwareAlienware X15 R1Alienware M15 R4
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
    Supports AlienFX lighting, Game
    Library with auto-tune game profile functionality.
  • Alienware Adrenalin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)
Camera & AudioAlienware X15 R1Alienware M15 R4
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
  • Controller: Realtek ALC3281-CG
    • 7.1 Digital Audio out using HDMI out connection
    • Alienware Sound Center via Alienware Command Center
  • Speakers:
    • 2-Way (Woofer/Tweeter) Stereo Speaker Design
    • Includes Discrete Smart Amp Woofer technology
  • Microphone:
    • Digital-array microphones in the camera assembly
MiscAlienware X15 R1Alienware M15 R4
SensorsWindows Hello IR Camera
  • Tobii Eyetracking technology (optional)
Security
  • Wedge-shaped lock slot
Warranty1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis
MoreCHASIS
  • Based on Alienware's Legend industrial design language
  • Engineered with Alienware's Advanced Cryo-Tech Cooling technology
  • Engineered with HyperEfficient Voltage Regulation
  • Constructed with a Magnesium Alloy exterior shell and copper alloy thermal components
Alienware X15 Price
Alienware x15 R1, 15.6 inch FHD 360Hz Non-Touch Gaming Laptop - Intel Core i7-11800H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
Alienware x15 R1, 15.6 inch FHD 360Hz Non-Touch Gaming Laptop - Intel Core i7-11800H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
By Alienware
$2,549.99
Alienware X15 R1 VR Ready Gaming Laptop - 15.6 inch 360Hz FHD 1080p Display, NVIDIA GeForce RTX 3070, Intel Core i7-11800H (11th Gen), 16GB DDR4 RAM, 1TB SSD, Wi-Fi 6, Windows 11 Home - Lunar Light
Alienware X15 R1 VR Ready Gaming Laptop - 15.6 inch 360Hz FHD 1080p Display, NVIDIA GeForce RTX 3070, Intel Core i7-11800H (11th Gen), 16GB DDR4 RAM, 1TB SSD, Wi-Fi 6, Windows 11 Home - Lunar Light
By Alienware
$2,199.99
Dell Alienware X15 R1 Gaming Laptop (2021) | 15.6" FHD | Core i7 - 1TB SSD - 32GB RAM - RTX 3070 | 8 Cores @ 4.6 GHz - 11th Gen CPU - 8GB GDDR6 (Renewed)
Dell Alienware X15 R1 Gaming Laptop (2021) | 15.6" FHD | Core i7 - 1TB SSD - 32GB RAM - RTX 3070 | 8 Cores @ 4.6 GHz - 11th Gen CPU - 8GB GDDR6 (Renewed)
By Dell
$3,499.00
Alienware M15 R4 Price
Alienware m15 R4 RTX 3070 Gaming Laptop Full HD (FHD), 15.6 inch - Intel Core i7-10870H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
Alienware m15 R4 RTX 3070 Gaming Laptop Full HD (FHD), 15.6 inch - Intel Core i7-10870H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light (Latest Model)
By Alienware
$1,999.98
Was: $2,169.29
2021 Dell Alienware m15 R4 Laptop 15.6 - Intel Core i7 10th Gen - i7-10870H - Eight Core 5Ghz - 512GB SSD - 16GB RAM - Nvidia GeForce RTX 3060 - 1920x1080 FHD - Windows 10 Home Dark (Renewed)
2021 Dell Alienware m15 R4 Laptop 15.6 - Intel Core i7 10th Gen - i7-10870H - Eight Core 5Ghz - 512GB SSD - 16GB RAM - Nvidia GeForce RTX 3060 - 1920x1080 FHD - Windows 10 Home Dark (Renewed)
By Dell
$1,515.79
Was: $1,599.00
Dell Alienware m15 R4 Gaming Laptop (Intel i7-10870H 8-Core, 16GB RAM, 1TB m.2 SATA SSD, RTX 3070, 15.6" Full HD (1920x1080), WiFi, Bluetooth, Webcam, 1xHDMI, 1 Mini Display Port, Win 10 Home)
Dell Alienware m15 R4 Gaming Laptop (Intel i7-10870H 8-Core, 16GB RAM, 1TB m.2 SATA SSD, RTX 3070, 15.6" Full HD (1920x1080), WiFi, Bluetooth, Webcam, 1xHDMI, 1 Mini Display Port, Win 10 Home)
By Dell
$2,099.00
Alienware X15 R1 image

Alienware X15 R1: Key Features

The Alienware x15 is the world’s most powerful sub-16mm gaming laptop. It is also among the first generation of X-series laptops and while they command an innovation-first prerogative, they are PC gaming masterpieces. Their evolved Legend industrial design makes them beautiful on the outside and the exclusive Alienware Cryo-tech™️ cooling technology is what makes the performance at this thinness a possibility. Any gamer looking for a high-performance gaming laptop that prioritizes design, mobility and wants reassurance of its thermal management needs to look no further. Behold the Alienware x15.

Alienware X15: Intro Video

Alienware X15: First Look

Alienware M15 R4 image

Alienware M15 R4: Key Features

Alienware CryoTech™
  • 66 CPU fan blades
  • 66 GPU fan blades
  • 64mm CPU fan blade diameter
  • 64mm GPU fan blade diameter • 4x copper-alloy heat pipes
  • 244.5g of copper-alloy material
  • CPU Vapor Chamber cooling technology
Hyper-Efficient Voltage Regulation

All configurations are designed with the following specification

  • 6-phase CPU voltage regulation
  • 12-phase GPU voltage regulation

Popular Comparisons for Alienware X15 R1

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Popular Comparisons for Alienware M15 R4

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Alienware Family

Here are all Alienware devices we’ve covered on our site:

Alienware Area-51m
Alienware M15
Alienware M17
Alienware X14
Alienware X15
Alienware X17

Alienware Family

Here are all Alienware devices we’ve covered on our site:

Alienware Area-51m
Alienware M15
Alienware M17
Alienware X14
Alienware X15
Alienware X17

Alienware X15 R1 FAQs

Here are some related questions you might want to know about the Alienware X15 R1:

  1. What processors is in Alienware X15 R1?
  2. What ports are on a Alienware X15 R1?
  3. What is the weight and dimension of Alienware X15 R1?
  4. What Wi-Fi and Bluetooth does Alienware X15 R1 have?
  5. What is the display size, resolution, and tech on Alienware X15 R1?
  6. Can you add more RAM to a Alienware X15 R1?

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