Alienware M15 R4 vs. 2021 ROG Zephyrus G15: Full specs comparison

We have comprehensively compared the specifications for the Alienware M15 R4 and 2021 ROG Zephyrus G15 models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

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Alienware M15 R4 image

Alienware M15 R4

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2021 ROG Zephyrus G15 image

2021 ROG Zephyrus G15

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Alienware M15 R4 Pros

We couldn't find any advantages of Alienware M15 R4 over 2021 ROG Zephyrus G15.

2021 ROG Zephyrus G15 Pros

Reasons that 2021 ROG Zephyrus G15 is better than Alienware M15 R4.

Supports larger memory

The 2021 ROG Zephyrus G15 supports a larger memory capacity than the Alienware M15 R4. It supports up to 48GB versus 32GB of system memory on the Alienware M15 R4.

Max system memory size
2021 ROG Zephyrus G15
48 GB
Alienware M15 R4
32 GB
Supports faster memory

The 2021 ROG Zephyrus G15 supports a faster memory speed than the Alienware M15 R4. It supports up to 3200MHz versus 2933MHz of system memory on the Alienware M15 R4.

Memory type and speed
2021 ROG Zephyrus G15 - DDR4
3,200 MHz
Alienware M15 R4 - DDR4
2,933 MHz
Upgradable memory

The 2021 ROG Zephyrus G15 comes with one SODIMM slot that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Alienware M15 R4 since it has onboard memory.

MemoryAlienware M15 R42021 ROG Zephyrus G15
Slots
Onboard
x1
TypeDDR4DDR4
About 10% lighter

The 2021 ROG Zephyrus G15 weighed 4.19 pounds, 10% lighter than the 4.65 pounds Alienware M15 R4.

WeightAlienware M15 R42021 ROG Zephyrus G15
Pound
4.65 lbs.
4.19 lbs.
Kilogram
2.11 kg
1.90 kg

Key Similars

Similar characteristics share between Alienware M15 R4 and 2021 ROG Zephyrus G15.

Similar CPU performance

Both laptops has a similar multi-core CPU performance score.

Geekbench 5 multi-core score
2021 ROG Zephyrus G15 - AMD Ryzen 9-5900HS
7,162
Alienware M15 R4 - Intel Core i9-10980HK
7,013
Alienware M15 R4 - Intel Core i7-10870H
6,596
2021 ROG Zephyrus G15 - AMD Ryzen 7-5800HS
6,454

Prices

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

Alienware M15 R4 Price
Alienware m15 R4 RTX 3070 Gaming Laptop Full HD (FHD), 15.6 inch - Intel Core i7-10870H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light
 Alienware m15 R4 RTX 3070 Gaming Laptop Full HD (FHD), 15.6 inch - Intel Core i7-10870H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light
By Dell
$1,740.00
See at Amazon
Alienware - m15 R4-15.6" FHD Gaming Laptop - Intel Core i7-16GB Memory - Nvidia RTX3070-512GB Solid State Drive - Dark Side of The Moon
 Alienware - m15 R4-15.6" FHD Gaming Laptop - Intel Core i7-16GB Memory - Nvidia RTX3070-512GB Solid State Drive - Dark Side of The Moon
By Dell
$1,999.99
See at Amazon
Alienware m15 R4 Gaming Laptop, 15.6 inch Full HD (FHD) - Intel Core i7-10870H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce RTX 3060 6GB GDDR6, Windows 10 Home - Lunar Light
 Alienware m15 R4 Gaming Laptop, 15.6 inch Full HD (FHD) - Intel Core i7-10870H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce RTX 3060 6GB GDDR6, Windows 10 Home - Lunar Light
By Alienware
$2,099.99
See at Amazon
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
$1,559.83
See at Amazon
ASUS ROG Zephyrus G15 15.6" 240Hz QHD Gaming Laptop, AMD Ryzen 9 6900HS, GeForce RTX 3080 8GB GDDR6, 40GB DDR5, 4TB PCIe SSD, Backlit Keyboard, WiFi 6E, Win 11 Pro, Gray, 128GB Hotface Extension Set
 ASUS ROG Zephyrus G15 15.6" 240Hz QHD Gaming Laptop, AMD Ryzen 9 6900HS, GeForce RTX 3080 8GB GDDR6, 40GB DDR5, 4TB PCIe SSD, Backlit Keyboard, WiFi 6E, Win 11 Pro, Gray, 128GB Hotface Extension Set
By ASUS
$2,049.00
See at Amazon
ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3070, AMD Ryzen R9-5900HX, 16GB DDR4, 1TB PCIe NVMe SSD, RGB Keyboard, Windows 10, G513QR-ES96
 ASUS ROG Strix G15 (2021) Gaming Laptop, 15.6” 300Hz IPS Type FHD Display, NVIDIA GeForce RTX 3070, AMD Ryzen R9-5900HX, 16GB DDR4, 1TB PCIe NVMe SSD, RGB Keyboard, Windows 10, G513QR-ES96
By ASUS
$1,989.95
See at Amazon

Specs Comparison

Availability

Alienware M15 R42021 ROG Zephyrus G15
Released20212021
Release Date
  • Announced on January 12, 2021 (CES 2021)
  • Available on January 26, 2021
-
PricingStarting at $2,149.99-
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

Alienware M15 R42021 ROG Zephyrus G15
Dimensions
  • 14.19” x 10.879” x 0.724 - 0.807 - 0.776” (360.3 mm x 276.32 mm x 18.39 - 20.5 - 19.7 mm)
    Alienware M15 R4 with OLED display models
  • 14.19” x 10.863” x 0.701 - 0.783 - 0.776” (360.3 mm x 275.92 mm x 17.8 - 19.9 - 19.7 mm)
    Alienware M15 R4 with 300Hz display models
13.98” x 9.57” x 0.78” (355 x 243 x 19.9 mm)
WeightStarting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)4.19 lbs (1.90 kg)
Colors
  • Dark Side of the Moon with High Endurance Clear Coat
  • Lunar Light with High Endurance Clear Coat
Eclipse Gray Moonlight White
Keyboard and Trackpad
  • Keyboard
    • Alienware mSeries 4-Zone AlienFX RGB keyboard.
    • Alienware mSeries keyboard with per-key RGB LED.
  • AlienFX lighting
  • Includes anti-ghosting and N-key rollover technology
  • 1.7mm key travel
  • 0.2mm-dish concave key design
  • 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.
  • 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

Display

Alienware M15 R42021 ROG Zephyrus G15
Size15.6 Inches15.6 Inches
Info
  • 15.6” FHD with 300Hz
    1920 x 1080 141 PPI 3ms response time 300 nits 16:9 100% sRGB color gamut Anti-glare WVA 6.3W
  • 15.6” UHD with 60Hz
    3840 x 2160 OLED 282 PPI 1ms response time 400 nits 16:9 HDR-400 100% DCI-P3 color gamut 100000:1 contrast ratio TrueLife Tobii Eyetracking technology WVA 14.8W
  • 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

Ports

Alienware M15 R42021 ROG Zephyrus G15
Alienware M15 R4 Ports
Image Source: Dell
  • 1 x Thunderbolt™ 3 Port
    Supports USB Type-C™ with support for USB 3.2 Gen 2 10Gbps, 40Gbps Thunderbolt, and DisplayPort 1.2.
  • 2 x Type-A USB 3.2 Gen 1 Port
  • 1 x Type-A USB 3.2 Gen 1 port with PowerShare technology
  • 1 x RJ-45 Killer™ Ethernet E3000 10/100/1000Mbps/2.5Gbps Port
  • 1 x Alienware Graphics Amplifier Port
  • 1 x HDMI 2.1
    Supports up to 4K@120Hz display out.
  • 1 x Mini-Display Port 1.4 (certified) Output Port
  • 1 x Audio Out 1/8" Ports (Compatible with inline mic headset)
  • 1 x Wedge-shaped lock slot (cable and lock sold separately)
  • 1 x microSD 5.1, UHD-II HD312 Card Reader
  • 1 x Power/DC-in Port
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

Internal Specs

Alienware M15 R42021 ROG Zephyrus G15
Processor
  1. 10th Gen Intel® Core™ i7-10870H
    8 cores, 16 threads, 2.20 → 5.00 GHz, 16MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  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
Integrated Graphics
  1. 10th Gen Intel® Core™ i7-10870H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  2. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  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
Memory
8 GB 16 GB 32 GB
2933 MHz Dual-channel DDR4 RAM
Onboard memory.
16GB 32GB 48GB
Dual-Channel DDR4 3200MHz Memory.
1 x 16GB Onboard Memory and 1 x SODIMM slot
Discrete Graphics
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 VRAM.
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 VRAM.
  • 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).
StorageAvailable Slots
  • One M.2 2230 slot (Up to 512GB)
  • Two M.2 2230/2280 slots (Up to 2TB each)
Single Drive
  • 256 GB PCIe M.2 SSD
  • 512 GB PCIe M.2 SSD
  • 1 TB PCIe M.2 SSD
  • 2 TB PCIe M.2 SSD
RAID-0
  • 512GB (2x256 PCIe M.2 SSD) RAID0
  • 1TB (2x 512 PCIe M.2 SSD) RAID0
  • 2TB (2x 1TB PCIe M.2 SSD) RAID0
  • 4TB (2x 2TB PCIe M.2 SSD) RAID0
RAID-0 Plus
  • 1TB (2x 512GB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
  • 2TB (2x 1TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
  • 4TB (2x 2TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]
512GB 1TB 2TB
M.2 NVMe PCIe 3.0.
2 x M.2 SSD slots, supports RAID-0.

Connectivity

Alienware M15 R42021 ROG Zephyrus G15
Wi-Fi
  • Rivet Killer Wi-Fi 6 AX1650i
    Dual Band 2.4 GHz/5 GHz up to 2400 Mbps, WiFi 802.11a/b/g/n/ac/ax.
Intel® Wi-Fi 6 with Gig+ performance (802.11ax)
Bluetooth
  • Rivet Killer Wi-Fi 6 AX1650i › Bluetooth 5.1
Bluetooth 5.0
Ethernet
  • Killer™ Ethernet E3100X PCI-e Gigabit ethernet controller
    Transfer rate: 10/100/1000/2500 Mbps
 Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

Alienware M15 R42021 ROG Zephyrus G15
Size86 WHr, 6-cell smart lithium-ion with Alienware Battery Defender90 Wh (4-cell Lithium-ion)
Power Supply240W (19.50 VDC/12.31A)
  • 200W
      ø6.0 mm power adapter.
  • 100W
      USB-C power adapter.

Software

Alienware M15 R42021 ROG Zephyrus G15
OS
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
  • Windows 10 Home
  • Windows 10 Pro
Built-in Apps
  • Alienware Command Center
    Supports AlienFX lighting, Game
    Library with auto-tune game profile functionality.
  • Alienware Adrenalin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)
Armoury Crate

Camera & Audio

Alienware M15 R42021 ROG Zephyrus G15
CameraFront-facing camera
Alienware FHD (1920x1080 resolution) camera.
No Built-in camera.
Audio
  • Controller: Realtek ALC3281-CG
    • 7.1 Digital Audio out using HDMI out connection
    • Alienware Sound Center via Alienware Command Center
  • Speakers:
    • 2-Way (Woofer/Tweeter) Stereo Speaker Design
    • Includes Discrete Smart Amp Woofer technology
  • Microphone:
    • Digital-array microphones in the camera assembly
  • 4 x 2W woofer with Smart Amp Technology.
  • 2 x 2W tweeter.
  • Supports Dolby Atmos.
  • 3D array microphone.
  • Two-Way AI Noise Cancelation

Misc

Alienware M15 R42021 ROG Zephyrus G15
Sensors
  • Tobii Eyetracking technology (optional)
-
Security
  • Wedge-shaped lock slot
  • 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)
MoreCHASIS
  • Based on Alienware's Legend industrial design language
  • Engineered with Alienware's Advanced Cryo-Tech Cooling technology
  • Engineered with HyperEfficient Voltage Regulation
  • Constructed with a Magnesium Alloy exterior shell and copper alloy thermal components
-

Key Features

Alienware M15 R42021 ROG Zephyrus G15
At Glance
Released in Early
2021
16:9 FHD
15.6”
1080p 300Hz
Weight
4.65 lb
2.11 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Configurable up to
32GB
2933 MHz DDR4
Alienware M15 R4 Ports
Nvidia GeForce
RTX 3080
8GB GDDR6
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

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