Alienware X15 R2 vs. Alienware X17 R1: Full specs comparison

We have comprehensively compared the specifications for the Alienware X15 R2 and Alienware X17 R1 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 R2 image

Alienware X15 R2

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Alienware X17 R1 image

Alienware X17 R1

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Alienware X15 R2 Pros

Reasons that Alienware X15 R2 is better than Alienware X17 R1.

Newer manufacturing

2022 vs. 2021

Significantly faster CPU performance

Intel Core i9-12900H inside Alienware X15 R2 has a 24% better multi-core CPU performance score than the Intel Core i9-11980HK inside Alienware X17 R1.

Geekbench 5 multi-core score
Alienware X15 R2 - Intel Core i9-12900H
12,027
Alienware X15 R2 - Intel Core i7-12700H
11,774
Alienware X17 R1 - Intel Core i9-11980HK
9,677
Alienware X17 R1 - Intel Core i7-11800H
7,908
Supports faster memory

Alienware X15 R2 supports a faster memory speed than the Alienware X17 R1. It supports up to 5200MHz versus 3466MHz of system memory on the Alienware X17 R1.

Memory type and speed
Alienware X15 R2 - LPDDR5
5,200 MHz
Alienware X17 R1 - DDR4 XMP
3,466 MHz
About 23% lighter

Alienware X15 R2 weighed 5.15 pounds, 23% lighter than the 6.65 pounds Alienware X17 R1.

WeightAlienware X15 R2Alienware X17 R1
Pound
5.15 lbs.
6.65 lbs.
Kilogram
2.34 kg
3.02 kg

Alienware X17 R1 Pros

Reasons that Alienware X17 R1 is better than Alienware X15 R2.

Supports larger memory

Alienware X17 R1 supports a larger memory capacity than the Alienware X15 R2. It supports up to 64GB versus 32GB of system memory on the Alienware X15 R2.

Max system memory size
Alienware X17 R1
64 GB
Alienware X15 R2
32 GB
Upgradable memory

Alienware X17 R1 comes with two SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Alienware X15 R2 since it has onboard memory.

MemoryAlienware X15 R2Alienware X17 R1
Slots
Onboard
x2
TypeLPDDR5DDR4 XMP
10% larger display

Alienware X17 R1 has a 17.3-inch screen size 10% larger than the 15.6-inch Alienware X15 R2.

Display size
Alienware X17 R1
17.3-inch
Alienware X15 R2
15.6-inch

Prices

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

Alienware X15 R2 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
$1,833.50
$1,999.97 8% 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 X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Core i9-12900H, 16GB RAM, 1TB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, Killer WiFi 6, Windows 11 Home - Lunar Light
 Alienware X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Core i9-12900H, 16GB RAM, 1TB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, Killer WiFi 6, Windows 11 Home - Lunar Light
By Alienware
$2,599.00
See at Amazon
Alienware X17 Price
Alienware X17 R2 VR Ready Gaming Laptop - 17.3-inch FHD 360Hz 1ms Display, Core i7-12700H, 16GB RAM, 1TB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, Bluetooth, Wi-Fi 6, USB-C, Windows 11 Home - White
 Alienware X17 R2 VR Ready Gaming Laptop - 17.3-inch FHD 360Hz 1ms Display, Core i7-12700H, 16GB RAM, 1TB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, Bluetooth, Wi-Fi 6, USB-C, Windows 11 Home - White
By Alienware
$1,859.99
$2,149.97 13% OFF
See at Amazon
Dell Alienware X17 R2 Gaming Laptop - 17.3-inch FHD 480Hz Display, Intel Core i9-12900HK, 32GB RAM, 1TB SSD, NVIDIA GeForce RTX 3080Ti 16GB GDDR6, VR Ready, Wi-Fi 6, Windows 11 Home - Lunar Light
 Dell Alienware X17 R2 Gaming Laptop - 17.3-inch FHD 480Hz Display, Intel Core i9-12900HK, 32GB RAM, 1TB SSD, NVIDIA GeForce RTX 3080Ti 16GB GDDR6, VR Ready, Wi-Fi 6, Windows 11 Home - Lunar Light
By Dell
$2,089.99
See at Amazon
Dell Alienware X17 R2 Gaming Laptop (2022) | 17.3" 4K | Core i9-2TB SSD - 32GB RAM - RTX 3080 | Cores - 12th Gen CPU - 8GB GDDR6X Win 11 Home
 Dell Alienware X17 R2 Gaming Laptop (2022) | 17.3" 4K | Core i9-2TB SSD - 32GB RAM - RTX 3080 | Cores - 12th Gen CPU - 8GB GDDR6X Win 11 Home
By Dell
$2,436.27
See at Amazon

Specs Comparison

Availability

Alienware X15 R2Alienware X17 R1
Released20222021
Release Date
  • Announced on January 4, 2022.
  • Available starting in Winter 2022.
Available on June 1, 2021
PricingStarting at $2,199
  • $2,099.99
    i7-11800H 16GB 256GB RTX 3060 6GB FHD 165Hz
  • $2,479.99
    i7-11800H 16GB 512GB RTX 3070 8GB FHD 165Hz
  • $3,229.99
    i7-11800H 32GB 512GB RTX 3080 16GB UHD 120Hz
  • $3,629.99
    i9-11980HK 32GB XMP 512GB RTX 3080 16GB UHD 120Hz
Generations

Exterior

Alienware X15 R2Alienware X17 R1
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.
  • 15.718” x 11.791” x 0.823” (399.23 x 299.49 x 20.9 mm)
    With FHD 360Hz diplay.
  • 15.718” x 11.791” x 0.843” (399.23 x 299.49 x 21.4 mm)
    With FHD 165Hz or UHD 120Hz diplay.
Weight5.15 ~ 5.2 lbs. (2.34 ~ 2.36 kg)6.65 - 7.05 lbs (3.02 - 3.2 kg)
Colors
Lunar light
Lunar light
With High Endurance Clear Coat and Silky - Smooth Finish
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 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.
Chasis Information
  • Based on Alienware's Legend 2.0 industrial design language
  • Constructed with CNC aluminum and magnesium alloy parts
  • Engineered with Alienware Cryo-Tech™Cooling technology
  • Includes Alienware's Quad-Fan Design (patent-pending)
  • Element 31 thermal interface material (available with all configurations)
-

Display

Alienware X15 R2Alienware X17 R1
Size15.6 Inches17.3 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
  • 17.3” FHD with 165Hz
    1920 x 1080 127 PPI ComfortView Plus 3ms response time 300 nits 16:9 100% sRGB 1000:1 Anti-glare WVA 7.2 W
  • 17.3” FHD with 360Hz
    1920 x 1080 127 PPI ComfortView Plus NVIDIA G-Sync Advanced Optimus 1ms response time 300 nits 16:9 100% sRGB 800:1 Anti-glare WVA 8.4 W
  • 17.3” UHD with 120Hz
    3840 x 2160 255 PPI ComfortView Plus 4ms response time 500 nits 16:9 100% Adobe RGB 1200:1 Anti-glare WVA 12.2 W

Ports

Alienware X15 R2Alienware X17 R1
Alienware X15 R2 Ports
Image Source: Dell
Left
  • 1 x Power/DC-in Port
Right
  • 1 x Headset 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 X17 R1 Ports
Image Source: Dell
Left (1)
  • 1 x power port
Right (1)
  • 1 x headphone jack
    Headphone/Microphone
Back (8)
  • 1 x Thunderbolt 4
    40 Gpbs, USB 3.2 Gen 2 (10 Gbps), Power Delivery (5V/3A)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps), Power Delivery (5V/3A)
  • 2 x USB-A
    USB 3.2 Gen 1 (5 Gbps), Powershare
  • 1 x HDMI
    v2.1
  • 1 x Mini DisplayPort
    v1.4
  • 1 x microSD card slot
  • 1 x RJ-45
    2.5 Gbps, Killer E3100

Internal Specs

Alienware X15 R2Alienware X17 R1
Processor
  1. 12th Gen Intel® Core™ i7-12700H
    14 cores, 20 threads, 2.30 → 4.70 GHz, 24MB SmartCache, 45W
  2. 12th Gen Intel® Core™ i9-12900H
    14 cores, 20 threads, 2.50 → 5.00 GHz, 24MB SmartCache, 45W
  1. 11th Gen Intel® Core™ i7-11800H
    8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W
  2. 11th Gen Intel® Core™ i9-11980HK
    8 cores, 16 threads, 3.30 → 5.00 GHz, 24MB SmartCache, 65W
Integrated Graphics
  1. 12th Gen Intel® Core™ i7-12700H
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1400 MHz
  2. 12th Gen Intel® Core™ i9-12900H
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1450 MHz
  1. 11th Gen Intel® Core™ i7-11800H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  2. 11th Gen Intel® Core™ i9-11980HK
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
Memory
  • 16GB 32GB
    Dual Channel LPDDR5 5200MHz
Memory Slots
  • Onbaord memory
Memory Configurations
  • Speed: 5200MHz
  • Memory Type: Dual-channel LPDDR5
  • Minimum Memory: 16 GB
  • Maximum Memory: 32 GB
8 GB 16 GB 32 GB 64GB
3200MHz or 3466MHz Dual-channel DDR4 SDRAM.
2 x SO-DIMM slots.
  • Max 32GB of 3200 MHz DDR4 Memory
  • Max 64GB of 3466 MHz XMP DDR4 Memory
Discrete Graphics
  • NVIDIA® GeForce RTX™ 3060 - 6GB GDDR6
  • NVIDIA® GeForce RTX™ 3070 Ti - 6GB GDDR6
  • NVIDIA® GeForce RTX™ 3080 Ti - 6GB GDDR6
* All configurations include 8-phase HyperEfficient graphics voltage regulation.
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 TGP: 115W Dynamic Boost: 15W Max Power: 130W Speed: 1387 → 1702 MHz
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 TGP: 125W Dynamic Boost: 15W Max Power: 140W Speed: 1215 → 1620 MHz
  • NVIDIA® GeForce RTX™ 3080
    16GB GDDR6 TGP: 150W Dynamic Boost: 15W Max Power: 165W Speed: 1350 → 1710 MHz
* All configurations include 12-phase HyperEfficient graphics voltage regulation.
Storage
  • Storage slots: 2 x M.2 2280 PCIe slots
Single Storage Configuration
  • 256GB 512GB 1TB 2TB
    PCIe NVMe M.2 SSD
Dual Storage Configuration
  • 512GB 1TB 2TB 4TB
    RAID-0 (2 x PCIe NVMe M.2 SSD)
  • 2 x M.2 2280 slots (Up to 2TB each)
    Supports RAID-0

Connectivity

Alienware X15 R2Alienware X17 R1
Wi-FiKiller Wi-Fi 6E AX1675
Dual Band 2.4 GHz/5 GHz WiFi 6E 802.11a/b/g/n/ac/ax
Rivet Killer Wi-Fi 6E AX1675w
Triple Band 2.4GHz/5GHz/6GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
BluetoothBluetooth 5.2Bluetooth 5.2
Ethernet2.5Gbps Ethernet NIC via included Type-C to RJ-45 port dongleKiller E3100 2.5G Ethernet Controller
Transfer rate: 10/100/1000/2500 Mbps

Battery

Alienware X15 R2Alienware X17 R1
Size87 WHr, 6-cell smart lithium-ion battery87 WHr, 6-cell smart lithium-ion battery
Power Supply
240W
power adapter.
240W 330W
power adapter.

Software

Alienware X15 R2Alienware X17 R1
OSWindows 11
Home Pro
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Built-in AppsAlienware Command Center
  • Dashboard navigates all features, including themes, system performance, and overclocking
  • Five Tailored Power States
    full speed performance balanced quiet battery saver
  • Game Library to manage titles from multiple services
  • FX supports full RBG values up to 16.8 million colors
  • Power Management adjusts power plans with a game
  • Overclocking controls system performance and overclocking profiles
  • Sound Center dials in the perfect sound by managing sound profiles, audio effects, and Audio Recon
  • Alienware Command Center
    AlienFX lighting Game Library Auto-tune game profile functionality Fusion Alienware Adrenalin Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)

Camera & Audio

Alienware X15 R2Alienware X17 R1
Camera
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Optional Windows Hello IR support.
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Windows Hello IR support.
Audio
  • Speakers:
    • Stereo speakers with Dolby Atmos
  • Microphone:
    • Dual-array microphones
  • 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

Misc

Alienware X15 R2Alienware X17 R1
SensorsWindows Hello IR CameraWindows Hello IR Camera
SecurityWindows Hello IR camera for Facial Biometrics-
Warranty1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis

Key Features

Alienware X15 R2Alienware X17 R1
At Glance
Released in Early
2022
16:9 QHD
15.6”
1440p 240Hz
Weight
5.15 lb
2.34 kg
Up to
Intel Core i9-12900H
14C/20T, 2.50 → 5.00 GHz
Geekbench 5
1,758
Single Core
Geekbench 5
12,027
Multi-Core
With integrated
Intel® Iris® Xe Graphics
96 Execution Units, 400 → 1450 MHz
Configurable up to
32GB
5200 MHz LPDDR5
Alienware X15 R2 Ports
Nvidia GeForce
RTX 3080 Ti
16GB GDDR6
Released in Mid
2021
16:9 4K UHD
17.3”
2160p 120Hz
Weight
6.65 lb
3.02 kg
Up to
Intel Core i9-11980HK
8C/16T, 3.30 → 5.00 GHz
Geekbench 5
1,646
Single Core
Geekbench 5
9,677
Multi-Core
With integrated
Intel® UHD Graphics
32 Execution Units, 350 → 1450 MHz
Upgradable up to
64GB
3466 MHz DDR4 XMP
Alienware X17 R1 Ports
Nvidia GeForce
RTX 3080
16GB GDDR6 150W TGP

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