Alienware M15 R6 vs. Alienware M15 R3: Full specs comparison

Here is a comparison of the specs between Alienware M15 R6 and Alienware M15 R3, including CPU, RAM, storage, battery, display, and more.

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Alienware M15 R6

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Alienware M15 R3

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Alienware M15 R6 Pros

Reasons that Alienware M15 R6 is better than Alienware M15 R3.

Newer manufacturing

2021 vs. 2020

Slightly faster CPU performance

Intel Core i9-11900H inside Alienware M15 R6 has a 15% better multi-core CPU performance score than the Intel Core i9-10980HK inside Alienware M15 R3.

Geekbench 5 multi-core score
Alienware M15 R6 - Intel Core i9-11900H
8,121
Alienware M15 R6 - Intel Core i7-11800H
7,908
Alienware M15 R3 - Intel Core i9-10980HK
7,013
Alienware M15 R6 - Intel Core i5-11400H
5,592
Alienware M15 R3 - Intel Core i7-10750H
5,412
Alienware M15 R3 - Intel Core i5-10300H
3,747
Supports larger memory

Alienware M15 R6 supports a larger memory capacity than the Alienware M15 R3. It supports up to 64GB versus 32GB of system memory on the Alienware M15 R3.

Max system memory size
Alienware M15 R6
64 GB
Alienware M15 R3
32 GB
Supports faster memory

Alienware M15 R6 supports a faster memory speed than the Alienware M15 R3. It supports up to 3466MHz versus 2666MHz of system memory on the Alienware M15 R3.

Memory type and speed
Alienware M15 R6 - DDR4 XMP
3,466 MHz
Alienware M15 R3 - DDR4
2,666 MHz
Upgradable memory

Alienware M15 R6 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 M15 R3 since it has onboard memory.

MemoryAlienware M15 R6Alienware M15 R3
Slots
x2
Onboard
TypeDDR4 XMPDDR4

Alienware M15 R3 Pros

Reasons that Alienware M15 R3 is better than Alienware M15 R6.

About 22% lighter

Alienware M15 R3 weighed 4.65 pounds, 22% lighter than the 5.93 pounds Alienware M15 R6.

WeightAlienware M15 R6Alienware M15 R3
Pound
5.93 lbs.
4.65 lbs.
Kilogram
2.69 kg
2.11 kg

Prices

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

Alienware M15 R6 Price
Alienware M15 R6 Gaming Laptop - 15.6-inch FHD (1920 x 1080) 1ms 360Hz Display, Intel Core i7-11800H, 32GB DDR4 RAM, 1TB SSD, NVIDIA RTX 3070 8GB Graphics, Windows 11 Home - Black
 Alienware M15 R6 Gaming Laptop - 15.6-inch FHD (1920 x 1080) 1ms 360Hz Display, Intel Core i7-11800H, 32GB DDR4 RAM, 1TB SSD, NVIDIA RTX 3070 8GB Graphics, Windows 11 Home - Black
By Alienware
$2,599.00
See at Amazon
Alienware M15 R6 VR Ready Gaming Laptop - 15.6 inch QHD Display, 240Hz Refresh Rate, Intel Core i7-11800H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 11- Black
 Alienware M15 R6 VR Ready Gaming Laptop - 15.6 inch QHD Display, 240Hz Refresh Rate, Intel Core i7-11800H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 11- Black
By Alienware
$1,879.99
See at Amazon
Alienware M15 R6 Gaming Laptop, 15.6 inch QHD 240Hz Display, Intel Core i7-11800H, 32GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3080 8GB GDDR6, Windows 11 Home, Dark Side of The Moon
 Alienware M15 R6 Gaming Laptop, 15.6 inch QHD 240Hz Display, Intel Core i7-11800H, 32GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3080 8GB GDDR6, Windows 11 Home, Dark Side of The Moon
By Alienware
$2,699.00
See at Amazon
Alienware M15 R3 Price
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-512GB SSD Hard Drive - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
 Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-512GB SSD Hard Drive - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
By Dell
$1,913.06
See at Amazon
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-2TB SSD Hard Drive + 2TB SSD - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
 Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-2TB SSD Hard Drive + 2TB SSD - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 11 Pro
By Dell
$2,155.30
See at Amazon
Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-2TB SSD Hard Drive + 2TB SSD - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 10 Pro
 Dell Alienware m15 R3 Gaming Laptop (2020) | 15.6" FHD | Core i7-2TB SSD Hard Drive + 2TB SSD - 16GB RAM - 2070 Super | 6 Cores @ 5 GHz - 10th Gen CPU - 8GB GDDR6 Win 10 Pro
By Dell
$2,149.36
See at Amazon

Specs Comparison

Availability

Alienware M15 R6Alienware M15 R3
Released20212020
Release DateAnnounced on May 11, 2021Available on May 2020
Pricing
  • $1,299.99
    i7-11800H 8GB 256GB RTX 3050 Ti FHD 165Hz
  • $1,649.99
    i7-11800H 16GB 512GB RTX 3060 FHD 165Hz
  • $1,829.99
    i7-11800H 16GB 1TB RTX 3070 QHD 240Hz
  • $2,079.99
    i7-11800H 16GB 1TB RTX 3070 QHD 240Hz
Starting at $1,499.99
Generations

Exterior

Alienware M15 R6Alienware M15 R3
Dimensions14.02” x 10.73” x 0.51 - 0.76” (356.20 x 272.50 x 12.9 - 19.25 mm)Base
Width: 14.19 in. (360.30 mm)
Depth: 10.87 in. (276.20 mm)
Height: 0.72 - 0.78 in. (18.30 - 19.70 mm)
300 Hz Refresh Rate Models
Width: 14.19 in. (360.30 mm)
Depth: 10.86 in. (275.90 mm)
Height: 0.70 - 0.78 in. (17.90 - 19.70 mm)
Weight5.93 lbs (2.69 kg)Starting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)
Colors
Dark Moon
Dark Side of the Moon with High Endurance Clear Coat and Silky Smooth Finish
  • Dark Side of the Moon with High Endurance Clear Coat
  • Lunar Light with High Endurance Clear Coat
Keyboard and Trackpad
  • Alienware mSeries 4-Zone AlienFX RGB keyboard.
    • 1.7mm key travel
    • Includes anti-ghosting technology
  • Alienware's CherryMX ultra-low-profile mechanical laptop keyboard with per-key AlienFX lighting.
    • 1.8mm key travel
    • Includes N-key rollover technology
  • Touchpad
    • Multi-touch gesture touchpad with integrated scrolling.
    • 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.
  • 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.

Display

Alienware M15 R6Alienware M15 R3
Size15.6 Inches15.6 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
Full HD with 144Hz refresh rate
  • 1920 x 1080, 141 PPI, 7ms response time, 300 nits, 16:9, 72% NTSC  color gamut, Anti-glare.
Full HD with 144Hz refresh rate
  • 1920 x 1080, 141 PPI, 7ms response time, 300 nits, 16:9, 72% NTSC color gamut with NVIDIA G-SYNC Technology, Anti-glare.
Full HD with 300Hz refresh rate
  • 1920 x 1080, 141 PPI, 3ms response time, 300 nits, 16:9, 100% sRGB color gamut, Anti-glare.
Ultra HD with 60Hz refresh rate
  • 3180 x 2160, OLED, 282 PPI, 1ms response time, 400 nits, 16:9, HDR-400 100% DCI-P3 color gamut, 100,000:1 contrast ratio, TrueLife, 14.80W max power consumption
  • Tobii Eyetracking technology
All options
  • Wide Viewing Angles on all displays with 85 degrees viewing from all directions

Ports

Alienware M15 R6Alienware M15 R3
Alienware M15 R6 Ports
Image Source: Dell
  • 1 x Thunderbolt 4
    Supports 3.2 Gen 2, DisplayPort 1.4, and PD output 15W (5V/3A).
  • 2 x USB-A 3.2 Gen 1 Port
  • 1 x USB-A 3.2 Gen 1 port with PowerShare
  • 1 x RJ-45
  • 1 x HDMI 2.1
    Supports up to 4K@120Hz display out.
  • 1 x Headset port
  • 1 x Power/DC-in Port
Alienware M15 R3 Ports
Image Source: Dell
  • 1 x Power/DC-in Port
  • 1 x RJ-45 Killer™ Ethernet E3000 10/100/1000Mbps/2.5Gbps Port
  • 2 x Type-A USB 3.1 Gen 1 Port
  • 1 x Type-A USB 3.1 Gen 1 port with PowerShare technology
  • 1 x Thunderbolt™ 3 Port (USB Type-C™ with support for USB 3.1 Gen 2 10Gbps, 40Gbps Thunderbolt, and DisplayPort 1.2)
  • 1 x Alienware Graphics Amplifier Port
  • 1 x HDMI 2.0b with HDCP 2.2 Output Port
  • 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

Internal Specs

Alienware M15 R6Alienware M15 R3
Processor
  1. 11th Gen Intel® Core™ i5-11400H
    6 cores, 12 threads, 2.70 → 4.50 GHz, 12MB SmartCache, 45W
  2. 11th Gen Intel® Core™ i7-11800H
    8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W
  3. 11th Gen Intel® Core™ i9-11900H
    8 cores, 16 threads, 2.50 → 4.90 GHz, 24MB SmartCache, 45W
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 11th Gen Intel® Core™ i5-11400H
    Intel® UHD Graphics
    16 Execution Units, 350 → 1450 MHz
  2. 11th Gen Intel® Core™ i7-11800H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  3. 11th Gen Intel® Core™ i9-11900H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
Memory
8 GB 16 GB 32 GB
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
8 GB 16 GB 32 GB
2666 MHz Dual-channel DDR4 RAM.
Onboard memory.
Discrete Graphics
  • NVIDIA® GeForce RTX™ 3050 Ti
    4GB GDDR6 TGP: 80W Max Power: 80W Speed: 1462.5 → 1695 MHz
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 TGP: 115W Dynamic Boost: 10W Max Power: 125W Speed: 1387 → 1702 MHz
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 TGP: 115W Dynamic Boost: 10W Max Power: 125W Speed: 1110 → 1560 MHz
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 TGP: 115W Dynamic Boost: 10W Max Power: 125W Speed: 1110 → 1545 MHz
  • NVIDIA® GeForce GTX® 1650 Ti (4GB GDDR6)
  • NVIDIA® GeForce GTX® 1660 Ti (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) OC Ready
  • NVIDIA® GeForce RTX™ 2070 (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 SUPER (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2080 SUPER (8GB GDDR6) with Max-Q Design
  • AMD RX5500M (4GB GDDR6)
Storage2 x M.2 2230/2280 slots (Up to 2TB each)Available 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]

Connectivity

Alienware M15 R6Alienware M15 R3
Wi-FiRivet Killer Wi-Fi 6 AX1650
Dual Band 2.4 GHz/5 GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
  • Rivet Killer Wi-Fi 6 AX1650
    Dual Band 2.4 GHz/5 GHz up to 2400 Mbps, WiFi 802.11a/b/g/n/ac/ax.
BluetoothBluetooth 5.2
  • Rivet Killer Wi-Fi 6 AX1650 › Bluetooth 5.1
EthernetKiller E2600 Gigabit Ethernet Controller
Transfer rate: 10/100/1000 Mbps
  • Killer™ Ethernet E3000 PCI-e Gigabit ethernet controller
    Transfer rate: 10/100/1000/2500 Mbps

Battery

Alienware M15 R6Alienware M15 R3
Size
  • 56 WHr, 3-cell smart lithium-ion battery
  • 86 WHr, 6-cell smart lithium-ion battery
  • 56 WHr, 3-cell smart lithium-ion
  • 86 WHr, 6-cell smart lithium-ion
Power Supply
180W 240W
power adapter.
  • E4 130W (19.50 VDC/6.70A)
  • E4 180W (19.50 VDC/9.23A)
  • E4 240W (19.50 VDC/12.31A)
* Support Hybrid Power

Software

Alienware M15 R6Alienware M15 R3
OS
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
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)
  • Alienware Command Center
  • Alienware Adrenlin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)

Camera & Audio

Alienware M15 R6Alienware M15 R3
Camera
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Optional Windows Hello IR support.
  • Front-facing camera
    Alienware FHD (1920x1080 resolution) camera.
Audio
  • Controller: Realtek ALC3254
    • 7.1 Digital Audio out using HDMI out connection
    • Alienware Sound Center via Alienware Command Center
  • Speakers:
    • 2 x 2W speakers
  • Microphone:
    • Dual-array microphones
  • Controller: Realtek ALC3281-CG
    • 7.1 Digital Audio out using HDMI out connection
    • Alienware Sound Center via Alienware Command Center
  • Speakers:
    • 4-Way (Woofer/Tweeter) Stereo Speaker Design
    • Output: 4-5W
    • Introduces Discrete Smart Amp Woofer technology
    • Delivers 2.5x bass improvement over the previous generation
    • Delivers 2x treble improvement over the previous generation
    • Delivers 30% loudness improvement over the previous generation for full-range performance
  • Microphone:
    • Digital-array microphones in camera assembly

Misc

Alienware M15 R6Alienware M15 R3
SensorsWindows Hello IR Camera
  • Tobii Eyetracking technology (optional)
Security-
  • Wedge-shaped lock slot
More-CHASIS
  • 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 R6Alienware M15 R3
At Glance
Released in Mid
2021
16:9 QHD
15.6”
1440p 240Hz
Weight
5.93 lb
2.69 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
Upgradable up to
64GB
3466 MHz DDR4 XMP
Alienware M15 R6 Ports
Nvidia GeForce
RTX 3080
8GB GDDR6 115W TGP
Released in Mid
2020
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
2666 MHz DDR4
Alienware M15 R3 Ports
Nvidia GeForce
RTX 2080 SUPER
8GB GDDR6 with Max-Q

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