2021 ROG Zephyrus G15 vs. Alienware X17 R1: Full specs comparison

The following is a comprehensive comparison of the 2021 ROG Zephyrus G15 and Alienware X17 R1 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

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2021 ROG Zephyrus G15 image

2021 ROG Zephyrus G15

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Alienware X17 R1 image

Alienware X17 R1

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2021 ROG Zephyrus G15 Pros

Reasons that 2021 ROG Zephyrus G15 is better than Alienware X17 R1.

About 37% lighter

The 2021 ROG Zephyrus G15 weighed 4.19 pounds, 37% lighter than the 6.65 pounds Alienware X17 R1.

Weight2021 ROG Zephyrus G15Alienware X17 R1
Pound
4.19 lbs.
6.65 lbs.
Kilogram
1.90 kg
3.02 kg

Alienware X17 R1 Pros

Reasons that Alienware X17 R1 is better than 2021 ROG Zephyrus G15.

Significantly faster CPU performance

Intel Core i9-11980HK inside Alienware X17 R1 has a 35% better multi-core CPU performance score than the AMD Ryzen 9-5900HS inside 2021 ROG Zephyrus G15.

Geekbench 5 multi-core score
Alienware X17 R1 - Intel Core i9-11980HK
9,677
Alienware X17 R1 - Intel Core i7-11800H
7,908
2021 ROG Zephyrus G15 - AMD Ryzen 9-5900HS
7,162
2021 ROG Zephyrus G15 - AMD Ryzen 7-5800HS
6,454
Supports larger memory

Alienware X17 R1 supports a larger memory capacity than the 2021 ROG Zephyrus G15. It supports up to 64GB versus 48GB of system memory on the 2021 ROG Zephyrus G15.

Max system memory size
Alienware X17 R1
64 GB
2021 ROG Zephyrus G15
48 GB
Supports faster memory

Alienware X17 R1 supports a faster memory speed than the 2021 ROG Zephyrus G15. It supports up to 3466MHz versus 3200MHz of system memory on the 2021 ROG Zephyrus G15.

Memory type and speed
Alienware X17 R1 - DDR4 XMP
3,466 MHz
2021 ROG Zephyrus G15 - DDR4
3,200 MHz
10% larger display

Alienware X17 R1 has a 17.3-inch screen size 10% larger than the 15.6-inch 2021 ROG Zephyrus G15.

Display size
Alienware X17 R1
17.3-inch
2021 ROG Zephyrus G15
15.6-inch
More versatile connectivity

Alienware X17 R1 has better versatile I/O connectivity than the 2021 ROG Zephyrus G15. It has nine versus seven commonly used ports and slots on the 2021 ROG Zephyrus G15.

Ports2021 ROG Zephyrus G15Alienware X17 R1
HDMIYesYes
headphone jackYesYes
microSD card slotYesYes
power portYesYes
RJ-45YesYes
USB-AYesYes
USB-CYesYes
Mini DisplayPortNoYes
Thunderbolt 4NoYes

Key Similars

Similar characteristics share between 2021 ROG Zephyrus G15 and Alienware X17 R1.

Upgradable memory

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

Memory2021 ROG Zephyrus G15Alienware X17 R1
Slots
x1
x2
TypeDDR4DDR4 XMP

Prices

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

2021 ROG Zephyrus G15 Price
ASUS - ROG Zephyrus 15.6" QHD Gaming Laptop - AMD Ryzen 9 - 16GB Memory - NVIDIA GeForce RTX 3070 - 1TB SSD - Eclipse Grey - Eclipse Grey
 ASUS - ROG Zephyrus 15.6" QHD Gaming Laptop - AMD Ryzen 9 - 16GB Memory - NVIDIA GeForce RTX 3070 - 1TB SSD - Eclipse Grey - Eclipse Grey
By ASUS
$1,556.83
See at Amazon
asus ROG Zephyrus G15 15.6'' 240Hz QHD Gaming Laptop, AMD Ryzen 9 6900HS, GeForce RTX 3080 8GB GDDR6, 40GB DDR5 RAM, 1TB PCIe SSD, Backlit Keyboard, HD Webcam, Win 11 Pro, Gray, 32GB USB Card
 asus ROG Zephyrus G15 15.6'' 240Hz QHD Gaming Laptop, AMD Ryzen 9 6900HS, GeForce RTX 3080 8GB GDDR6, 40GB DDR5 RAM, 1TB PCIe SSD, Backlit Keyboard, HD Webcam, Win 11 Pro, Gray, 32GB USB Card
By ASUS
$1,799.00
See at Amazon
Asus ROG Zephyrus G15 Gaming Laptop | 15.6" WQHD 165Hz 100% DCI-P3 | AMD 8-Core Ryzen 9 6900HS (>i7-11370H) | 16GB DDR5 512GB+1TB SSD | GeForce RTX 3060 6GB | USB-C Backlit Win11 + HDMI Cable
 Asus ROG Zephyrus G15 Gaming Laptop | 15.6" WQHD 165Hz 100% DCI-P3 | AMD 8-Core Ryzen 9 6900HS (>i7-11370H) | 16GB DDR5 512GB+1TB SSD | GeForce RTX 3060 6GB | USB-C Backlit Win11 + HDMI Cable
By Asus
$1,249.00
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
$1,879.99
$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" 120Hz 4K | Core i9-2TB SSD Hard Drive - 32GB RAM - RTX 3080 | Cores - 12th Gen CPU - 8GB GDDR6X Win 11 Home
 Dell Alienware X17 R2 Gaming Laptop (2022) | 17.3" 120Hz 4K | Core i9-2TB SSD Hard Drive - 32GB RAM - RTX 3080 | Cores - 12th Gen CPU - 8GB GDDR6X Win 11 Home
By Dell
$2,545.47
See at Amazon

Specs Comparison

Availability

2021 ROG Zephyrus G15Alienware X17 R1
Released20212021
Release Date-Available on June 1, 2021
Pricing-
  • $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
Applicable Models
  • 2021 ROG Zephyrus G15
  • ROG Zephyrus G15 (2021)
  • ROG Zephyrus G15 GA503
  • ROG Zephyrus G15 GA503QC
  • ROG Zephyrus G15 GA503QE
  • ROG Zephyrus G15 GA503QR
-
Generations

Exterior

2021 ROG Zephyrus G15Alienware X17 R1
Dimensions13.98” x 9.57” x 0.78” (355 x 243 x 19.9 mm)
  • 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.
Weight4.19 lbs (1.90 kg)6.65 - 7.05 lbs (3.02 - 3.2 kg)
Colors
Eclipse Gray Moonlight White
Lunar light
With High Endurance Clear Coat and Silky - Smooth Finish
Keyboard and Trackpad
  • Full-size backlit keyboard
    1.7 mm key travel 20M key press lifetime N-Key Rollover
  • Hotkeys 
    Volume down volume up mute Armoury Crate
  • Touchpad
    20% larger 40% faster lower latency
  • 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.

Display

2021 ROG Zephyrus G15Alienware X17 R1
Size15.6 Inches17.3 Inches
Info
  • 15.6” WQHD 165Hz
    16:9 2560 x 1440 165Hz 3ms 100% DCI-P3 Non-touch IPS Level Anti-Glare FreeSync Pantone Validated
  • 15.6” FHD 144Hz
    16:9 1920 x 1080 360Hz 3ms 62.5% sRGB 47.34% Adobe RGB Non-touch IPS Level Anti-Glare FreeSync
  • 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

2021 ROG Zephyrus G15Alienware X17 R1
2021 ROG Zephyrus G15 Ports
Image Source: ASUS
Left (7)
  • 2 x USB-C
    USB 3.2 Gen 2 (10 Gbps), DisplayPort 1.4, Power Delivery 3.0
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps)
  • 1 x HDMI
    v2.0b
  • 1 x RJ-45
    1 Gbps
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x power port
Right (3)
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps)
  • 1 x microSD card slot
    up to 312 MB/s transfer speed
  • 1 x lock 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

2021 ROG Zephyrus G15Alienware X17 R1
Processor
  1. AMD Ryzen™ 7 5800HS
    8 cores, 16 threads, 2.80 → 4.40 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W
  2. AMD Ryzen™ 9 5900HS
    8 cores, 16 threads, 3.00 → 4.60 GHz, 4MB L2 Cache, 16MB L3 Cache, 35W
  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. AMD Ryzen™ 7 5800HS
    AMD Radeon™ Graphics
    8 Graphics Cores, 2000 MHz
  2. AMD Ryzen™ 9 5900HS
    AMD Radeon™ Graphics
    8 Graphics Cores, 2100 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 48GB
Dual-Channel DDR4 3200MHz Memory.
1 x 16GB Onboard Memory and 1 x SODIMM slot
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 VRAM, with ROG Boost up to 1525MHz at 80W (95W with Dynamic Boost).
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 VRAM, with ROG Boost up to 1390MHz at 80W (100W with Dynamic Boost).
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 VRAM, with ROG Boost up to 1345MHz at 80W (100W with Dynamic Boost).
  • 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
512GB 1TB 2TB
M.2 NVMe PCIe 3.0.
2 x M.2 SSD slots, supports RAID-0.
  • 2 x M.2 2280 slots (Up to 2TB each)
    Supports RAID-0

Connectivity

2021 ROG Zephyrus G15Alienware X17 R1
Wi-FiIntel® Wi-Fi 6 with Gig+ performance (802.11ax)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 5.0Bluetooth 5.2
Ethernet Gigabit LAN
Speed: 10/100/1000 Mbps.
Killer E3100 2.5G Ethernet Controller
Transfer rate: 10/100/1000/2500 Mbps

Battery

2021 ROG Zephyrus G15Alienware X17 R1
Size90 Wh (4-cell Lithium-ion)87 WHr, 6-cell smart lithium-ion battery
Power Supply
  • 200W
      ø6.0 mm power adapter.
  • 100W
      USB-C power adapter.
240W 330W
power adapter.

Software

2021 ROG Zephyrus G15Alienware X17 R1
OS
  • Windows 10 Home
  • Windows 10 Pro
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Built-in Apps
Armoury Crate
  • 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

2021 ROG Zephyrus G15Alienware X17 R1
CameraNo Built-in camera.
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Windows Hello IR support.
Audio
  • 4 x 2W woofer with Smart Amp Technology.
  • 2 x 2W tweeter.
  • Supports Dolby Atmos.
  • 3D array microphone.
  • Two-Way AI Noise Cancelation
  • 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

2021 ROG Zephyrus G15Alienware X17 R1
Sensors-Windows Hello IR Camera
Security
  • One-Touch Login
    Fingerprint on the power button.
  • Kensington Lock Slot
-
In the box
  • FHD 1080P@60FPS external camera
    optional.
  • ROG Backpack
    optional.
  • ROG Delta headset
    optional.
  • ROG Chakram Core mouse P511
    optional.
  • ROG Impact Gaming Mouse
    optional.
  • TYPE-C, 100W AC Adapter
    Output: 20V DC, 5A, 100W, Input: 100~240V AC 50/60Hz universal (optional)
-
Warranty-1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis

Key Features

2021 ROG Zephyrus G15Alienware X17 R1
At Glance
Released in Early
2021
16:9
15.6”
1440p 165Hz
Weight
4.19 lb
1.90 kg
Up to
AMD Ryzen 9-5900HS
8C/16T, 3.00 → 4.60 GHz
Geekbench 5
1,356
Single Core
Geekbench 5
7,162
Multi-Core
With integrated
AMD Radeon™ Graphics
8 Graphics Cores, 2100 MHz
Upgradable up to
48GB
3200 MHz DDR4
2021 ROG Zephyrus G15 Ports
Nvidia GeForce
RTX 3080
8GB GDDR6 80W TGP
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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