Alienware M15 R3 vs. Alienware M15 R5: Full specs comparison

We have comprehensively compared the specifications for the Alienware M15 R3 and Alienware M15 R5 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 R3

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Alienware M15 R5

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Alienware M15 R3 Pros

Reasons that Alienware M15 R3 is better than Alienware M15 R5.

About 13% lighter

Alienware M15 R3 weighed 4.65 pounds, 13% lighter than the 5.34 pounds Alienware M15 R5.

WeightAlienware M15 R3Alienware M15 R5
Pound
4.65 lbs.
5.34 lbs.
Kilogram
2.11 kg
2.42 kg

Alienware M15 R5 Pros

Reasons that Alienware M15 R5 is better than Alienware M15 R3.

Newer manufacturing

2021 vs. 2020

Slightly faster CPU performance

AMD Ryzen 9-5900HX inside Alienware M15 R5 has a 9% better multi-core CPU performance score than the Intel Core i9-10980HK inside Alienware M15 R3.

Geekbench 5 multi-core score
Alienware M15 R5 - AMD Ryzen 9-5900HX
7,663
Alienware M15 R5 - AMD Ryzen 7-5800H
7,098
Alienware M15 R3 - Intel Core i9-10980HK
7,013
Alienware M15 R3 - Intel Core i7-10750H
5,412
Alienware M15 R3 - Intel Core i5-10300H
3,747
Supports faster memory

Alienware M15 R5 supports a faster memory speed than the Alienware M15 R3. It supports up to 3200MHz versus 2666MHz of system memory on the Alienware M15 R3.

Memory type and speed
Alienware M15 R5 - DDR4
3,200 MHz
Alienware M15 R3 - DDR4
2,666 MHz
Upgradable memory

Alienware M15 R5 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 R3Alienware M15 R5
Slots
Onboard
x2
TypeDDR4DDR4

Key Similars

Similar characteristics share between Alienware M15 R3 and Alienware M15 R5.

Supports the same maximum memory size of up to 32GB

Both laptops supports up to 32GB of system memory.

Max system memory size
Alienware M15 R3
32 GB
Alienware M15 R5
32 GB

Prices

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

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
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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
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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
Alienware M15 R5 AMD Ryzen Price
Newest Alienware m15 R5 15.6" 360Hz 1ms FHD Gaming Laptop, AMD Ryzen 9 5900HX (8 cores), GeForce RTX 3070, 64GB RAM, 2TB PCIe SSD, HDMI, WiFi 6, RGB Keyboard, Win 11 Home, Dark Side of The Moon
 Newest Alienware m15 R5 15.6" 360Hz 1ms FHD Gaming Laptop, AMD Ryzen 9 5900HX (8 cores), GeForce RTX 3070, 64GB RAM, 2TB PCIe SSD, HDMI, WiFi 6, RGB Keyboard, Win 11 Home, Dark Side of The Moon
By Dell
$1,775.00
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Dell Alienware m15 R5 Ryzen Edition Gaming Laptop (2021) | 15.6" 360Hz FHD | Core Ryzen 7-512GB SSD Hard Drive - 16GB RAM - RTX 3070 | Cores - 8GB GDDR6 Win 11 Home (Renewed)
 Dell Alienware m15 R5 Ryzen Edition Gaming Laptop (2021) | 15.6" 360Hz FHD | Core Ryzen 7-512GB SSD Hard Drive - 16GB RAM - RTX 3070 | Cores - 8GB GDDR6 Win 11 Home (Renewed)
By Dell
$1,465.99
See at Amazon
Dell Alienware m15 R5 Ryzen Edition Gaming Laptop (2021) | 15.6" FHD | Core Ryzen 9-1TB SSD - 32GB RAM - RTX 3070 | 12 Cores @ 4.7 GHz - 8GB GDDR6
 Dell Alienware m15 R5 Ryzen Edition Gaming Laptop (2021) | 15.6" FHD | Core Ryzen 9-1TB SSD - 32GB RAM - RTX 3070 | 12 Cores @ 4.7 GHz - 8GB GDDR6
By Dell
$1,999.99
See at Amazon

Specs Comparison

Availability

Alienware M15 R3Alienware M15 R5
Released20202021
Release DateAvailable on May 2020Announced on April 20, 2021
PricingStarting at $1,499.99-
Generations

Exterior

Alienware M15 R3Alienware M15 R5
DimensionsBase
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)
14.02” x 10.73” x 0.47 - 0.76” (356.20 x 272.50 x 12 - 19.25 mm)
WeightStarting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)5.34 - 5.93 lbs (2.42 - 2.69 kg)
Colors
  • Dark Side of the Moon with High Endurance Clear Coat
  • Lunar Light with High Endurance Clear Coat
Dark Side of the Moon with High Endurance Clear Coat and Silky Smooth Finish
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.
  • Keyboard
    • Alienware mSeries 4-Zone AlienFX RGB keyboard.
    • RGB per-key backlit Cherry mechanical keyboard.
    • AlienFX lighting
    • Includes anti-ghosting and N-key rollover technology
    • 1.8mm key travel
    • 0.2mm-dish concave key design
  • Touchpad
    • 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.

Display

Alienware M15 R3Alienware M15 R5
Size15.6 Inches15.6 Inches
InfoFull 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
  • 15.6” FHD with 165Hz
    1920 x 1080 141 PPI 9ms 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 5ms response time 300 nits 16:9 100% sRGB color gamut 1000:1 Anti-glare WVA 8W
  • 15.6” QHD with 240Hz
    2560 x 1440 188 PPI 9ms response time 400 nits 16:9 99% DCI-P3 color gamut 1000:1 Anti-glare WVA 10W

Ports

Alienware M15 R3Alienware M15 R5
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
Alienware M15 R5 Ports
Image Source: Dell
  • 1 x USB-C 3.2 Gen 2 with DisplayPort
  • 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

Internal Specs

Alienware M15 R3Alienware M15 R5
Processor
  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
  1. AMD Ryzen™ 7 5800H
    8 cores, 16 threads, 3.20 → 4.40 GHz, 4MB L2 Cache, 16MB L3 Cache, 45W
  2. AMD Ryzen™ 9 5900HX
    8 cores, 16 threads, 3.30 → 4.60 GHz, 4MB L2 Cache, 16MB L3 Cache, 45W
Integrated Graphics
  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
  1. AMD Ryzen™ 7 5800H
    AMD Radeon™ Graphics
    8 Graphics Cores, 2000 MHz
  2. AMD Ryzen™ 9 5900HX
    AMD Radeon™ Graphics
    8 Graphics Cores, 2100 MHz
Memory
8 GB 16 GB 32 GB
2666 MHz Dual-channel DDR4 RAM.
Onboard memory.
8 GB 16 GB 32 GB
3200MHz Dual-channel DDR4 SDRAM.
2 x SO-DIMM slots.
Discrete Graphics
  • 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)
  • NVIDIA® GeForce RTX™ 3050 Ti
    4GB GDDR6 VRAM.
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 VRAM.
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 VRAM.
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]
2 x M.2 2230/2280 slots (Up to 2TB each)

Connectivity

Alienware M15 R3Alienware M15 R5
Wi-Fi
  • 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.
Rivet Killer Wi-Fi 6 AX1650x
Dual Band 2.4 GHz/5 GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
Bluetooth
  • Rivet Killer Wi-Fi 6 AX1650 › Bluetooth 5.1
Bluetooth 5.2
Ethernet
  • Killer™ Ethernet E3000 PCI-e Gigabit ethernet controller
    Transfer rate: 10/100/1000/2500 Mbps
Gigabit Ethernet Controller
Transfer rate: 10/100/1000/2500 Mbps

Battery

Alienware M15 R3Alienware M15 R5
Size
  • 56 WHr, 3-cell smart lithium-ion
  • 86 WHr, 6-cell smart lithium-ion
  • 56 WHr, 3-cell smart lithium-ion battery
  • 86 WHr, 6-cell smart lithium-ion battery
Power Supply
  • E4 130W (19.50 VDC/6.70A)
  • E4 180W (19.50 VDC/9.23A)
  • E4 240W (19.50 VDC/12.31A)
* Support Hybrid Power
180W 240W
power adapter.

Software

Alienware M15 R3Alienware M15 R5
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
  • Alienware Adrenlin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)
  • 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)

Camera & Audio

Alienware M15 R3Alienware M15 R5
Camera
  • Front-facing camera
    Alienware FHD (1920x1080 resolution) camera.
Front-facing camera
Alienware HD (1280x720 resolution) camera.
Audio
  • 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
  • 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

Misc

Alienware M15 R3Alienware M15 R5
Sensors
  • Tobii Eyetracking technology (optional)
-
Security
  • Wedge-shaped lock slot
-
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 R3Alienware M15 R5
At Glance
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
Released in Early
2021
16:9 QHD
15.6”
1440p 240Hz
Weight
5.34 lb
2.42 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
Alienware M15 R5 Ports
Nvidia GeForce
RTX 3070
8GB GDDR6

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