Alienware X15 (2021) Specs: Full Specifications
Here's what you need to know about the 15.6” Alienware X15 (2021) specifications including display size, resolution, processor, RAM, storage, camera, battery, and more.

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. It has a display size of 15.6 inches and when it comes to dimensions, it is 14.16 inches long, 10.915 inches wide, and 0.626 inches thickness.
What's New in Alienware X15 R1
Here's what you need to know about the Alienware X15 R1.
- 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.
Alienware X15 R1 Specs
Key Features | Alienware X15 R1 |
At Glance | ![]() |
Availability | Alienware X15 R1 |
Released | 2021 |
Release Info | Available on June 1, 2021 |
Pricing |
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Generations |
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Stores |
Exterior | Alienware X15 R1 |
Dimensions |
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Weight | 5 - 5.2 lbs (2.27 - 2.36 kg) |
Colors | Lunar light |
Keyboard and Trackpad |
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Display | Alienware X15 R1 |
Size | 15.6 Inches |
Info |
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Ports | Alienware X15 R1 |
Ports | ![]() Left
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Internal Specs | Alienware X15 R1 |
Processor |
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Geekbench 5 Single CoreGeekbench 5 Multi-Core | |
Integrated Graphics |
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Memory | Memory Slots
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Discrete Graphics |
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Storage |
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Connectivity | Alienware X15 R1 |
Wi-Fi | Rivet 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 |
Bluetooth | Bluetooth 5.2 |
Battery | Alienware X15 R1 |
Size | 87 WHr, 6-cell smart lithium-ion battery |
Power Supply | 240W power adapter. |
Software | Alienware X15 R1 |
OS | Windows 10 Home Windows 10 Pro
Upgradable to Windows 11 |
Built-in Apps |
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Camera & Audio | Alienware X15 R1 |
Camera |
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Audio |
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Misc | Alienware X15 R1 |
Sensors | Windows Hello IR Camera |
Warranty | 1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis |
Alienware X15 R1 Price
Here is the latest price update for Alienware X15 R1.

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
Popular Comparisons for Alienware X15 R1
Here are the most frequently requested comparisons for Alienware X15 R1:
Alienware X15 R1 FAQs
Here are some related questions you might want to know about the Alienware X15 R1:
- What processors is in Alienware X15 R1?
- What ports are on a Alienware X15 R1?
- What is the weight and dimension of Alienware X15 R1?
- What Wi-Fi and Bluetooth does Alienware X15 R1 have?
- What is the display size, resolution, and tech on Alienware X15 R1?
- Can you add more RAM to a Alienware X15 R1?
- Can you upgrade SSD storage on a Alienware X15 R1?
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Alienware X15 R1: Must-Have Accessories for 2022
Are you looking for Alienware X15 R1 (2021) accessories? Here are our best-picked accessories that will help in protection and productivity.

Alienware X15 R1: Best Bags and Backpacks in 2022
What are the best bags and backpacks for the 2021 Alienware X15 R1? Here are our top-picked Alienware X15 R1 bags, briefcases, and backpacks.
Alienware Family
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