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

We have comprehensively compared the specifications for the Alienware X17 R2 and Alienware X15 R2 models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

Compare With
Please enter device name or part of it
Alienware X17 R2 image

Alienware X17 R2

See at AmazonSee at Dell
Compare With
Please enter device name or part of it
Alienware X15 R2 image

Alienware X15 R2

See at AmazonSee at Dell

Alienware X17 R2 Pros

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

Slightly faster CPU performance

Intel Core i9-12900HK inside Alienware X17 R2 has a 8% better multi-core CPU performance score than the Intel Core i9-12900H inside Alienware X15 R2.

Geekbench 5 multi-core score
Alienware X17 R2 - Intel Core i9-12900HK
13,006
Alienware X15 R2 - Intel Core i9-12900H
12,027
Alienware X17 R2 - Intel Core i7-12700H
11,774
Alienware X15 R2 - Intel Core i7-12700H
11,774
Upgradable memory

Alienware X17 R2 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 X17 R2Alienware X15 R2
Slots
x2
Onboard
TypeDDR5LPDDR5
10% larger display

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

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

Alienware X15 R2 Pros

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

Supports faster memory

Alienware X15 R2 supports a faster memory speed than the Alienware X17 R2. It supports up to 5200MHz versus 4800MHz of system memory on the Alienware X17 R2.

Memory type and speed
Alienware X15 R2 - LPDDR5
5,200 MHz
Alienware X17 R2 - DDR5
4,800 MHz
About 22% lighter

Alienware X15 R2 weighed 5.15 pounds, 22% lighter than the 6.54 pounds Alienware X17 R2.

WeightAlienware X17 R2Alienware X15 R2
Pound
6.54 lbs.
5.15 lbs.
Kilogram
2.97 kg
2.34 kg

Key Similars

Similar characteristics share between Alienware X17 R2 and Alienware X15 R2.

Supports the same maximum memory size of up to 32GB

Both laptops supports up to 32GB of system memory.

Max system memory size
Alienware X17 R2
32 GB
Alienware X15 R2
32 GB

Prices

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

Alienware X17 R2 Price
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
$2,250.31
See at Amazon
Dell Alienware X17 R2 Gaming Laptop (2022) | 17.3" 4K | Core i9-2TB SSD - 64GB RAM - RTX 3080 | 14 Cores @ 5 GHz - 12th Gen CPU - 10GB GDDR6X Win 11 Home (Renewed)
 Dell Alienware X17 R2 Gaming Laptop (2022) | 17.3" 4K | Core i9-2TB SSD - 64GB RAM - RTX 3080 | 14 Cores @ 5 GHz - 12th Gen CPU - 10GB GDDR6X Win 11 Home (Renewed)
By Dell
$2,654.39
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
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
$1,640.00
$1,999.97 18% 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

Specs Comparison

Availability

Alienware X17 R2Alienware X15 R2
Released20222022
Release Date
  • Announced on January 4, 2022.
  • Available starting in Winter 2022.
  • Announced on January 4, 2022.
  • Available starting in Winter 2022.
PricingStarting at $2,299Starting at $2,199
Generations

Exterior

Alienware X17 R2Alienware X15 R2
Dimensions
  • 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” (39 9.23 x 299.49 x 21.4 mm)
    With FHD 165Hz or UHD 120Hz diplay.
  • 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.
Weight6.54 ~ 6.82 lbs. (2.96 - 3.09 kg)5.15 ~ 5.2 lbs. (2.34 ~ 2.36 kg)
Colors
Lunar light
With High Endurance Clear Coat and Silky - Smooth Finish
Lunar light
Keyboard and TrackpadKeyboard
  • Alienware X-Series thin keyboard
    • Per-key RGB LED with AlienFX lighting
    • Anti-ghosting and N-key rollover technology.
    • 1.5mm key travel.
  • Alienware's CherryMX ultra-low-profile mechanical laptop keyboard
    • Per-key AlienFX lighting
    • 1.8mm key travel
    • Includes N-key rollover and anti-ghosting technology
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 NVIDIA graphics options higher than 3060.
  • 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 X17 R2Alienware X15 R2
Size17.3 Inches15.6 Inches
Info
  • 17.3” FHD with 165Hz
    1920 x 1080 127 PPI ComfortView Plus NVIDIA G-Sync Advanced Optimus 3ms response time 300 nits 16:9 100% sRGB Dolby Vision Anti-glare WVA
  • 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 Dolby Vision Anti-glare WVA
  • 17.3” UHD with 120Hz
    3840 x 2160 255 PPI ComfortView Plus NVIDIA G-Sync Advanced Optimus 4ms response time 500 nits 16:9 99% DCI-P3 Dolby Vision Anti-glare WVA
  • 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

Ports

Alienware X17 R2Alienware X15 R2
Alienware X17 R2 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 4.0 (40 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)
  • 1 x HDMI
    v2.1
  • 1 x Mini DisplayPort
    v1.4
  • 1 x RJ-45
    2.5 Gbps
  • 1 x microSD card slot
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

Internal Specs

Alienware X17 R2Alienware X15 R2
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™ i9-12900HK
    14 cores, 20 threads, 2.50 → 5.00 GHz, 24MB SmartCache, 45W
  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
Integrated Graphics
  1. 12th Gen Intel® Core™ i7-12700H
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1400 MHz
  2. 12th Gen Intel® Core™ i9-12900HK
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1450 MHz
  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
Memory
  • 16GB 32GB
    Dual Channel DDR5 4800MHz
Memory Slots
  • 2 x DDR5 SODIMM slots.
Memory Configurations
  • Speed: 4800MHz
  • Memory Type: Dual-channel DDR5
  • Minimum Memory: 16 GB
  • Maximum Memory: 32 GB
  • 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
Discrete Graphics
  • NVIDIA® GeForce RTX™ 3060 - 6GB GDDR6
  • NVIDIA® GeForce RTX™ 30 Series Laptop Graphics
  • NVIDIA® GeForce RTX™ 30 Series Laptop Graphics
* Up to 12-phase HyperEfficient graphics voltage regulation.
  • 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.
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)
  • 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)

Connectivity

Alienware X17 R2Alienware X15 R2
Wi-FiKiller Wi-Fi 6E AX1675
Dual Band 2.4 GHz/5 GHz WiFi 6E 802.11a/b/g/n/ac/ax
Killer Wi-Fi 6E AX1675
Dual Band 2.4 GHz/5 GHz WiFi 6E 802.11a/b/g/n/ac/ax
BluetoothBluetooth 5.2Bluetooth 5.2
EthernetKiller E3100 2.5G Ethernet Controller
Transfer rate: 10/100/1000/2500 Mbps
2.5Gbps Ethernet NIC via included Type-C to RJ-45 port dongle

Battery

Alienware X17 R2Alienware X15 R2
Size87 WHr, 6-cell smart lithium-ion battery87 WHr, 6-cell smart lithium-ion battery
Power Supply
240W 330W
power adapter.
240W
power adapter.

Software

Alienware X17 R2Alienware X15 R2
OSWindows 11
Home Pro
Windows 11
Home Pro
Built-in AppsAlienware Command CenterDashboard 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
AlienFX Lighting Detail
  • Programmable with up to 16.8 million distinct colors
  • Rear stadium lighting is now engineered with 90 micro-LEDs for a bold new look
Alienware 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

Camera & Audio

Alienware X17 R2Alienware X15 R2
Camera
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Windows Hello IR support.
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Optional Windows Hello IR support.
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
  • Speakers:
    • Stereo speakers with Dolby Atmos
  • Microphone:
    • Dual-array microphones

Misc

Alienware X17 R2Alienware X15 R2
SensorsWindows Hello IR CameraWindows Hello IR Camera
SecurityWindows Hello IR camera for Facial BiometricsWindows 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 X17 R2Alienware X15 R2
At Glance
Released in Early
2022
16:9 4K UHD
17.3”
2160p 120Hz
Weight
6.54 lb
2.97 kg
Up to
Intel Core i9-12900HK
14C/20T, 2.50 → 5.00 GHz
Geekbench 5
1,798
Single Core
Geekbench 5
13,006
Multi-Core
With integrated
Intel® Iris® Xe Graphics
96 Execution Units, 400 → 1450 MHz
Upgradable up to
32GB
4800 MHz DDR5
Alienware X17 R2 Ports
Nvidia GeForce
RTX 3080 Ti
16GB GDDR6
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

Comments

Ask questions or share your thought and experience about the comparison between Alienware X17 R2 and Alienware X15 R2.

Loading Comments...