2021 ROG Strix G15 vs. Alienware X15 R1: Full specs comparison

We have comprehensively analyzed the technical specifications for the 2021 ROG Strix G15 and Alienware X15 R1 models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

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2021 ROG Strix G15 image

2021 ROG Strix G15

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Alienware X15 R1 image

Alienware X15 R1

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2021 ROG Strix G15 Pros

Reasons that 2021 ROG Strix G15 is better than Alienware X15 R1.

Upgradable memory

The 2021 ROG Strix G15 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 R1 since it has onboard memory.

Memory2021 ROG Strix G15Alienware X15 R1
Slots
x2
Onboard
TypeDDR4DDR4
About 8% lighter

The 2021 ROG Strix G15 weighed 4.63 pounds, 8% lighter than the 5 pounds Alienware X15 R1.

Weight2021 ROG Strix G15Alienware X15 R1
Pound
4.63 lbs.
5 lbs.
Kilogram
2.10 kg
2.27 kg

Alienware X15 R1 Pros

Reasons that Alienware X15 R1 is better than 2021 ROG Strix G15.

Slightly faster CPU performance

Intel Core i9-11900H inside Alienware X15 R1 has a 5% better multi-core CPU performance score than the AMD Ryzen 9-5900HX inside 2021 ROG Strix G15.

Geekbench 5 multi-core score
Alienware X15 R1 - Intel Core i9-11900H
8,121
Alienware X15 R1 - Intel Core i7-11800H
7,908
2021 ROG Strix G15 - AMD Ryzen 9-5900HX
7,663
2021 ROG Strix G15 - AMD Ryzen 7-5800H
7,098
2021 ROG Strix G15 - AMD Ryzen 7-4800H
6,440
2021 ROG Strix G15 - AMD Ryzen 5-5600H
5,476

Key Similars

Similar characteristics share between 2021 ROG Strix G15 and Alienware X15 R1.

Supports the same maximum memory size of up to 32GB

Both laptops supports up to 32GB of system memory.

Max system memory size
2021 ROG Strix G15
32 GB
Alienware X15 R1
32 GB
Uses the same memory type and speed

Both laptops supports the same 3200MHz DDR4 RAM.

Memory type and speed
2021 ROG Strix G15 - DDR4
3,200 MHz
Alienware X15 R1 - DDR4
3,200 MHz

Prices

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

2021 ROG Strix G15 Price
ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3050 Ti, AMD Ryzen R7-5800H, 16GB DDR4, 1TB PCIe SSD, RGB Keyboard, Windows 10, Black, G513QE-ES76
 ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3050 Ti, AMD Ryzen R7-5800H, 16GB DDR4, 1TB PCIe SSD, RGB Keyboard, Windows 10, Black, G513QE-ES76
By ASUS
$1,099.00
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ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6†144Hz IPS Type FHD Display, NVIDIA GeForce RTX 3050, AMD Ryzen 7 4800H, 8GB DDR4, 512GB PCIe NVMe SSD, RGB Keyboard, Windows 10, G513IC-EB73
 ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6†144Hz IPS Type FHD Display, NVIDIA GeForce RTX 3050, AMD Ryzen 7 4800H, 8GB DDR4, 512GB PCIe NVMe SSD, RGB Keyboard, Windows 10, G513IC-EB73
By ASUS
$909.99
$999.99 9% OFF
See at Amazon
ASUS ROG Strix G15 (2022) Gaming Laptop, 15.6” 300Hz IPS FHD Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 6800H, 16GB DDR5, 1TB SSD, RGB Keyboard, Windows 11 Home, G513RM-IS74
 ASUS ROG Strix G15 (2022) Gaming Laptop, 15.6” 300Hz IPS FHD Display, NVIDIA GeForce RTX 3060, AMD Ryzen 7 6800H, 16GB DDR5, 1TB SSD, RGB Keyboard, Windows 11 Home, G513RM-IS74
By ASUS
$979.99
$1,199.99 18% OFF
See at Amazon
Alienware X15 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
$1,823.63
$1,999.97 9% OFF
See at Amazon
Alienware X15R1 Gaming Laptop - 15.6-inch FHD (1920x1080) 360Hz 1ms Display, Intel Core i7-11800H Processor, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 DDR6 Graphics, Windows 11 Home- Lunar Light
 Alienware X15R1 Gaming Laptop - 15.6-inch FHD (1920x1080) 360Hz 1ms Display, Intel Core i7-11800H Processor, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 DDR6 Graphics, Windows 11 Home- Lunar Light
By Alienware
$1,769.99
$1,899.97 7% 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

Specs Comparison

Availability

2021 ROG Strix G15Alienware X15 R1
Released20212021
Release DateAnnounced on January 13, 2021 (CES 2021)Available on June 1, 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
Applicable Models
  • 2021 ROG Strix G15
  • ROG Strix G15 (2021)
  • 2021 ROG Strix G15 G513
-
Generations

Exterior

2021 ROG Strix G15Alienware X15 R1
Dimensions13.94 x 10.20 x 0.89 - 1.07” (354 x 259 x 22.6 ~ 27.2 mm)
  • 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.
Weight4.63 lbs (2.10 kg)5 - 5.2 lbs (2.27 - 2.36 kg)
Colors
Original Black Eclipse Gray Electro Punk
Lunar light
Keyboard and Trackpad
  • Full-size backlit keyboard
    ROG Overstroke Calibrated Keystrokes N-Key Rollover Aura Sync Bigger arrow keys Gaps between function keys
  • Hotkeys 
    Volume down volume up mute HyperFan Armoury Crate
  • RGB Lighting Options
    Per-Key RGB lighting 4 x Zone RGB lighting
  • Touchpad with integrated Numpad
    85% larger glass surface matte finish illuminated Numpad
  • 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 Strix G15Alienware X15 R1
Size15.6 Inches15.6 Inches
Info
  • 15.6” FHD 300Hz
    16:9 1920 x 1080 300Hz 3ms 100% sRGB 75% Adobe RGB Non-touch IPS Level Anti-Glare Adaptive-Sync
  • 15.6” WQHD 165Hz 
    16:9 3840 x 2160 165Hz 3ms 100% DCI-P3 Non-touch IPS Level Anti-Glare Adaptive-Sync
  • 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

2021 ROG Strix G15Alienware X15 R1
2021 ROG Strix G15 Ports
Image Source: ASUS
Left (3)
  • 2 x USB-A
    USB 3.2 Gen 1 (5 Gbps)
  • 1 x headphone jack
    Headphone/Microphone
Back (5)
  • 1 x USB-A
    USB 3.2 Gen 1 (5 Gbps)
  • 1 x USB-C
    USB 3.2 Gen 2 (10 Gbps), DisplayPort, Power Delivery
  • 1 x HDMI
    v2.0b
  • 1 x RJ-45
    1 Gbps
  • 1 x power port
Alienware X15 R1 Ports
Image Source: Dell
Left
  • 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 4K@120Hz display out.
  • 1 x MicroSD Card Slot

Internal Specs

2021 ROG Strix G15Alienware X15 R1
Processor
  1. AMD Ryzen™ 7 4800H
    8 cores, 16 threads, 2.90 → 4.20 GHz, 4MB L2 Cache, 8MB L3 Cache, 45W
  2. AMD Ryzen™ 5 5600H
    6 cores, 12 threads, 3.30 → 4.20 GHz, 3MB L2 Cache, 16MB L3 Cache, 45W
  3. AMD Ryzen™ 7 5800H
    8 cores, 16 threads, 3.20 → 4.40 GHz, 4MB L2 Cache, 16MB L3 Cache, 45W
  4. AMD Ryzen™ 9 5900HX
    8 cores, 16 threads, 3.30 → 4.60 GHz, 4MB L2 Cache, 16MB L3 Cache, 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™ i9-11900H
    8 cores, 16 threads, 2.50 → 4.90 GHz, 24MB SmartCache, 45W
Integrated Graphics
  1. AMD Ryzen™ 7 4800H
    AMD Radeon™ Graphics
    7 Graphics Cores, 1600 MHz
  2. AMD Ryzen™ 5 5600H
    AMD Radeon™ Graphics
    7 Graphics Cores, 1800 MHz
  3. AMD Ryzen™ 7 5800H
    AMD Radeon™ Graphics
    8 Graphics Cores, 2000 MHz
  4. AMD Ryzen™ 9 5900HX
    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™ i9-11900H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
Memory
16GB 32GB
Dual-Channel DDR4 3200MHz SDRAM.
2 x SODIMM slots
Memory Slots
  • Onbaord memory
Memory Configurations
  • Speed: 3200MHz
  • Memory Type: Dual-channel DDR4
  • Minimum Memory: 16 GB
  • Maximum Memory: 32 GB
Discrete Graphics
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 VRAM, with ROG Boost up to 1802MHz at 115W (130W with Dynamic Boost).
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 VRAM, with ROG Boost up to 1660MHz at 115W (130W with Dynamic Boost).
  • 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.
Storage
512GB 1TB 2TB
M.2 NVMe PCIe 3.0.
2 x M.2 SSD slots, supports RAID-0.
  • 1 x M.2 2230 slots (Up to 256GB)
  • 2 x M.2 2280 slots (Up to 2TB each)
    Supports RAID-0

Connectivity

2021 ROG Strix G15Alienware X15 R1
Wi-FiIntel® Wi-Fi 6 with Gig+ performance (802.11ax) 2x2 multi-antennaRivet 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
BluetoothBluetooth 5.1Bluetooth 5.2
Ethernet Gigabit LAN
Speed: 10/100/1000 Mbps.
-

Battery

2021 ROG Strix G15Alienware X15 R1
Size
56Wh 90Wh
4-cell lithium-ion battery.		87 WHr, 6-cell smart lithium-ion battery
Battery LifeUp to 12 hours of video playback.-
Power Supply
  • 240W
      ø6.0 mm power adapter.
  • 100W
      USB-C power adapter.
  • Supports fast charging technology with up to 50% in 30 minutes.
240W
power adapter.

Software

2021 ROG Strix G15Alienware X15 R1
OS
  • Windows 10 Home
  • Windows 10 Pro
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Built-in Apps
Armoury Crate GameVisual Aura Creator Scenario Profiles
  • 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 Strix G15Alienware X15 R1
CameraNo Built-in camera.
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Optional Windows Hello IR support.
Audio
  • Speakers
    • 2 x 4W speaker with Smart Amp Technology.
    • 2.8x Louder Volume.
    • 3x More Bass.
    • 6.5dBa Dynamic Range.
  • Microphones
    • Built-in 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 Strix G15Alienware X15 R1
Sensors-Windows Hello IR Camera
Warranty-1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis

Key Features

2021 ROG Strix G15Alienware X15 R1
At Glance
Released in
2021
16:9
15.6”
2160p 165Hz
Weight
4.63 lb
2.10 kg
Up to
AMD Ryzen 9-5900HX
8C/16T, 3.30 → 4.60 GHz
Geekbench 5
1,416
Single Core
Geekbench 5
7,663
Multi-Core
With integrated
AMD Radeon™ Graphics
8 Graphics Cores, 2100 MHz
Upgradable up to
32GB
3200 MHz DDR4
2021 ROG Strix G15 Ports
Nvidia GeForce
RTX 3070
8GB GDDR6
Released in Mid
2021
16:9 QHD
15.6”
1440p 240Hz
Weight
5 lb
2.27 kg
Up to
Intel Core i9-11900H
8C/16T, 2.50 → 4.90 GHz
Geekbench 5
1,430
Single Core
Geekbench 5
8,121
Multi-Core
With integrated
Intel® UHD Graphics
32 Execution Units, 350 → 1450 MHz
Configurable up to
32GB
3200 MHz DDR4
Alienware X15 R1 Ports
Nvidia GeForce
RTX 3080
8GB GDDR6 90W TGP

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