Alienware M15 R1 vs. Dell Inspiron 13 5391: Full specs comparison

We have comprehensively compared the specifications for the Alienware M15 R1 and Dell Inspiron 13 5391 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 R1 image

Alienware M15 R1

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Dell Inspiron 13 5391

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Alienware M15 R1 Pros

Reasons that Alienware M15 R1 is better than Dell Inspiron 13 5391.

Much faster CPU performance

Intel Core i7-9750H inside Alienware M15 R1 has a 65% better multi-core CPU performance score than the Intel Core i7-10510U inside Dell Inspiron 13 5391.

Geekbench 5 multi-core score
Alienware M15 R1 - Intel Core i7-9750H
4,880
Alienware M15 R1 - Intel Core i7-8750H
4,470
Alienware M15 R1 - Intel Core i5-8300H
3,269
Dell Inspiron 13 5391 - Intel Core i7-10510U
2,942
Dell Inspiron 13 5391 - Intel Core i5-10210U
2,933
Dell Inspiron 13 5391 - Intel Core i3-10110U
1,866
Supports larger memory

Alienware M15 R1 supports a larger memory capacity than the Dell Inspiron 13 5391. It supports up to 32GB versus 8GB of system memory on the Dell Inspiron 13 5391.

Max system memory size
Alienware M15 R1
32 GB
Dell Inspiron 13 5391
8 GB
Supports faster memory

Alienware M15 R1 supports a faster memory speed than the Dell Inspiron 13 5391. It supports up to 2666MHz versus 2133MHz of system memory on the Dell Inspiron 13 5391.

Memory type and speed
Alienware M15 R1 - DDR4
2,666 MHz
Dell Inspiron 13 5391 - LPDDR3
2,133 MHz
Upgradable memory

Alienware M15 R1 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 Dell Inspiron 13 5391 since it has onboard memory.

MemoryAlienware M15 R1Dell Inspiron 13 5391
Slots
x2
Onboard
TypeDDR4LPDDR3
17% larger display

Alienware M15 R1 has a 15.6-inch screen size 17% larger than the 13.3-inch Dell Inspiron 13 5391.

Display size
Alienware M15 R1
15.6-inch
Dell Inspiron 13 5391
13.3-inch

Dell Inspiron 13 5391 Pros

Reasons that Dell Inspiron 13 5391 is better than Alienware M15 R1.

About 56% lighter

Dell Inspiron 13 5391 weighed 2.16 pounds, 56% lighter than the 4.85 pounds Alienware M15 R1.

WeightAlienware M15 R1Dell Inspiron 13 5391
Pound
4.85 lbs.
2.16 lbs.
Kilogram
2.20 kg
0.98 kg

Prices

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

Alienware M15 R1 Price
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
$1,379.99
$1,899.97 27% OFF
See at Amazon
EbidDealz Replacement for Laptop LCD 15.6" FHD Screen Display Complete Assembly Dell Alienware M15 R1 K8TWT
 EbidDealz Replacement for Laptop LCD 15.6" FHD Screen Display Complete Assembly Dell Alienware M15 R1 K8TWT
By Generic
$199.99
See at Amazon
Black US English Backlit Laptop Keyboard with Bracket 3D7NN 03D7NN CN-03D7NN Compatible Replacement Spare Part for Dell Alienware M15 R1 Series
 Black US English Backlit Laptop Keyboard with Bracket 3D7NN 03D7NN CN-03D7NN Compatible Replacement Spare Part for Dell Alienware M15 R1 Series
By Generic
$35.64
See at Amazon
Dell Inspiron 13 5391 Price
Dell Inspiron 13 5310, 13.3 inch QHD (Quad High Definition) Laptop - Thin and Light Intel Core i7-11370H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce MX450, Services - Windows 10 Home
 Dell Inspiron 13 5310, 13.3 inch QHD (Quad High Definition) Laptop - Thin and Light Intel Core i7-11370H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce MX450, Services - Windows 10 Home
By Dell
$789.99
$1,099.99 28% OFF
See at Amazon
Dell Newest 13th Generation Inspiron 15 3530 Laptop, 15.6" FHD Touchscreen, Intel Core i7-1355U, 16GB RAM, 1TB SSD, Webcam, HDMI, Wi-Fi 6, Windows 11 Home, Black
 Dell Newest 13th Generation Inspiron 15 3530 Laptop, 15.6" FHD Touchscreen, Intel Core i7-1355U, 16GB RAM, 1TB SSD, Webcam, HDMI, Wi-Fi 6, Windows 11 Home, Black
By Dell
$788.97
See at Amazon
Dell Inspiron 13 5310, 13.3 inch QHD Non-Touch Laptop - Intel Core i7-11390H, 16GB LPDDR4x RAM, 512GB SSD, NVIDIA GeForce MX450 with 2GB GDDR6, Windows 11 Home - Platinum Silver (Latest Model)
 Dell Inspiron 13 5310, 13.3 inch QHD Non-Touch Laptop - Intel Core i7-11390H, 16GB LPDDR4x RAM, 512GB SSD, NVIDIA GeForce MX450 with 2GB GDDR6, Windows 11 Home - Platinum Silver (Latest Model)
By Dell
$799.99
$1,099.97 27% OFF
See at Amazon

Specs Comparison

Availability

Alienware M15 R1Dell Inspiron 13 5391
Released20192019
Release Date
  • Announced at CES 2019
  • Available on January 29, 2019
  • Announced at IFA 2019
  • Available on October 1, 2019
PricingStarting at $1,379.99
  • Starting at $579.99 (non-WWAN)
  • Starting at $729.99 (WWAN)
Generations-

Exterior

Alienware M15 R1Dell Inspiron 13 5391
Size Comparison
Alienware M15 R1Dell Inspiron 13 5391
Dimensions14.27 x 10.85 x 0.70 - 0.78 in (362 x 275 x 17.90 - 19.99 mm)
Width: 14.27 in. (362 mm)
Depth: 10.85 in. (275 mm)
Height: 0.70 - 0.78 in. (17.90 - 19.99 mm)
  • Non-WWAN Models
    • Front: 12.11 x 8.05 x 0.59 in (307.60 x 204.50 x 14.90 mm)
    • Back: 12.11 x 8.05 x 0.65 in (307.60 x 204.50 x 16.50 mm)
  • WWAN Models
    • Front: 12.11 x 8.05 x 0.66 in (307.60 x 204.50 x 16.80 mm)
    • Back: 12.11 x 8.05 x 0.73 in (307.60 x 204.50 x 18.50 mm)
WeightStarting at 4.85 lbs (2.20 kg)
  • Non-WWAN Models
    • 2.16 lb (1.18 kg)
  • WWAN Models
    • 2.65 lb (1.20 kg)
Colors
  • Epic Silver
  • Nebula Red
  • Platinum Silver with dark gray bezel and keyboard (available on configurations without a backlit keyboard)
  • Platinum Silver with light gray bezel and silver keyboard (available on configurations with a backlit keyboard)
  • Ice Lilac
Keyboard and Trackpad
  • Alienware AlienFX mSeries Keyboard with Alphanumeric Keys
  • 4.13 x 2.56 in (105 mm x 65 mm) precision touchpad with multi-touch gesture support.
  • Full-size, spill-resistant keyboard
  • Optional backlit full-size, spill-resistant keyboard
  • Multi-touch gesture-enabled precision touchpad with integrated scrolling

Display

Alienware M15 R1Dell Inspiron 13 5391
Size15.6 Inches13.3 Inches
InfoFull HD with 60Hz refresh rate
  • 1920 x 1080, 141 PPI, 35ms response time, 300 nits, 16:9, 72% color gamut, 700:1 contrast ratio, Anti-glare, 6.20W max power consumption.
Full HD with 144Hz refresh rate
  • 1920 x 1080, 141 PPI, 19ms response time, 300 nits, 16:9, 72% color gamut, 800:1 contrast ratio, Anti-glare, 7.80W max power consumption.
Full HD with 240Hz refresh rate
  • 1920 x 1080, 141 PPI, 8ms response time, 300 nits, 16:9, 72% color gamut, 1000:1 contrast ratio, Anti-glare, 4.41W max power consumption.
Ultra HD with 60Hz refresh rate
  • 3180 x 2160, 282 PPI, 300 nits, 16:9, 1,000:1 contrast ratio, 5.15W max power consumption
Ultra HD OLED with 60Hz refresh rate
  • 3180 x 2160, 282 PPI, 1ms response time, 300 nits, 16:9, HDR-400 DCI-P3 color gamut, 10,000:1 contrast ratio, TrueLife, 14.80W max power consumption
All options
  • Wide Viewing Angles on all displays with 85 degrees viewing from all directions
13.3-inch FHD (1920 x 1080) TrueLife LED Backlight Non-touch Narrow Border Wide Viewing Angle Display

Ports

Alienware M15 R1Dell Inspiron 13 5391
Alienware M15 R1 Ports
Image Source: Dell
Left (4)
  • 1 x USB-A
    USB 3.1 Gen 1 (5 Gbps), PowerShare
  • 1 x RJ-45
    1 Gbps, Killer E2500
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x lock slot
Right (2)
  • 2 x USB-A
    USB 3.1 Gen 1 (5 Gbps)
Back (5)
  • 1 x Thunderbolt 3
    40 Gpbs, DisplayPort
  • 1 x Alienware Graphics Amplifier port
  • 1 x HDMI
    v2.0
  • 1 x Mini DisplayPort
  • 1 x power port
Dell Inspiron 13 5391 Ports
Image Source: Dell
  • 1 x HDMI 1.4b
  • 1 x USB 3.1 Gen 1 Type-C™ (DP/PowerDelivery)
  • 1 x USB 3.1 Gen 1
  • 1 x Micro SD card reader
  • 1 x Headphone & Microphone Audio Jack
  • 1 x AC Power

Internal Specs

Alienware M15 R1Dell Inspiron 13 5391
Processor
  1. 8th Gen Intel® Core™ i5-8300H
    4 cores, 8 threads, 2.30 → 4.00 GHz, 8MB SmartCache, 45W
  2. 8th Gen Intel® Core™ i7-8750H
    6 cores, 12 threads, 2.20 → 4.10 GHz, 9MB SmartCache, 45W
  3. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  1. 10th Gen Intel® Core™ i3-10110U
    2 cores, 4 threads, 2.10 → 4.10 GHz, 4MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i5-10210U
    4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W
  3. 10th Gen Intel® Core™ i7-10510U
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
Integrated Graphics
  1. 8th Gen Intel® Core™ i5-8300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1000 MHz
  2. 8th Gen Intel® Core™ i7-8750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  3. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  1. 10th Gen Intel® Core™ i3-10110U
    Intel® UHD Graphics
    23 Execution Units, 300 → 1000 MHz
  2. 10th Gen Intel® Core™ i5-10210U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1100 MHz
  3. 10th Gen Intel® Core™ i7-10510U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
Memory
8 GB 16 GB 32 GB
2666 MHz Dual-channel DDR4 RAM.
2 x SODIMM slots
4 GB 8 GB
2133 MHz dual-channel onboard LPDDR3 RAM.
Discrete Graphics
  • NVIDIA® GeForce GTX® 1050 Ti (4GB GDDR5)
  • NVIDIA® GeForce GTX® 1060 (6GB GDDR5)
  • NVIDIA® GeForce GTX® 1070 (8GB GDDR5)
  • NVIDIA® GeForce GTX® 1660 Ti (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) OC Ready
  • NVIDIA® GeForce RTX™ 2070 (8GB GDDR6) with Max-Q Design
  • NVIDIA® GeForce RTX™ 2080 (8GB GDDR6) with Max-Q Design
NVIDIA® GeForce® MX250 (Optional) Pascal Architecture, 2GB GDDR5 64-bit, 1518 → 1582 MHz, 384 CUDA Cores.
StorageSingle Storage Configurations
  • 256 GB PCIe M.2 SSD
  • 512 GB PCIe M.2 SSD
  • 512 GB Intel Optane M.2 SSD
  • 1 TB PCIe M.2 SSD
Dual Storage Configurations
  • 128GB PCIe M.2 SSD + 1TB (+8GB SSHD) Hybrid Drive
  • 256GB PCIe M.2 SSD + 1TB (+8GB SSHD) Hybrid Drive
  • 256GB PCIe M.2 SSD + 256GB PCIe M.2 SSD
  • 512GB PCIe M.2 SSD + 1TB (+8GB SSHD) Hybrid Drive
  • 512GB PCIe M.2 SSD + 512GB PCIe M.2 SSD
  • 1TB PCIe M.2 SSD + 1TB PCIe M.2 SSD
Triple Storage Configurations
  • 256GB SSD M.2+256GB SSD M.2+1TB HDD
256 GB 512 GB
M.2 PCIe NVMe Solid State Drive.

Connectivity

Alienware M15 R1Dell Inspiron 13 5391
Wi-Fi
  • Qualcomm QCA61x4A (DW1820)
    Dual Band 2.4 GHz/5 GHz up to 867 Mbps, WiFi 802.11a/b/g/n/ac.
  • Rivet killer 1550
    Dual Band 2.4 GHz/5 GHz up to 1733 Mbps, WiFi 802.11a/b/g/n/ac.
  • Intel 9560
    Up to 1730 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
  • Intel 9462
    Up to 433 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
Bluetooth
  • Qualcomm QCA61x4A (DW1820) › Bluetooth 4.2
  • Rivet Killer 1550 › Bluetooth 5.0
  • Bluetooth 5.0
Ethernet
  • Killer E2500 PCI-E Gigabit Ethernet Controller
-
More-
  • Optional Wireless Wide Area Network (WWAN)
    • Intel 7360 (DW5820e)
    • Up to 450 Mbps DL/50 Mbps UL (Cat 9)
    • Frequency bands supported (LTE FDD: 450 Mbps DL/50 Mbps UL (Cat 9), LTE TDD: B347 Mbps DL/30 Mbps UL (Cat 9), UMTS/HSPA+: UMTS 384 Kbps DL/384 Kbps UL)
    • Wireless standards (LTE Category 16, UMTS/HSPA+)
    • Global Navigation Satellite System (GNSS) (Supports GPS, BDS, and GLONASS)

Battery

Alienware M15 R1Dell Inspiron 13 5391
Size
  • 4-cell smart lithium-ion (60 Wh)
  • 6-cell smart lithium-ion (90Wh)
  • 4-Cell Battery, 45 Whr (Integrated)
  • 4-Cell Battery, 52 Whr (Integrated)
Battery Life
  • Up to 17 hours on idle with 90Wh battery.
  • Non-WWAN Models
    • Up to 13 hours 06 minutes
  • WWAN Models
    • Up to 13 hours 44 minutes
* Tested on the Mobile Mark 2014 benchmark test.
Power Supply
  • 130W (19.50 VDC/6.70A)
  • 180W (19.50 VDC/9.23A)
* Support Hybrid Power		65 Watt AC Adapter

Software

Alienware M15 R1Dell Inspiron 13 5391
OS
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Windows 10 Home Windows 10 Pro Ubuntu 18.04
Upgradable to Windows 11
Built-in Apps
  • Alienware Command Center
  • Alienware Adrenlin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)
  • Microsoft Office 30 Trial
  • McAfee LiveSafe
  • Foxit Phantom Standard PDF
  • SupportAssist
  • Dell Mobile Connect
  • Dell Color Profiles
  • SmartByte
  • Wave MaxxAudio® Pro

Camera & Audio

Alienware M15 R1Dell Inspiron 13 5391
Camera
  • Front-facing camera
    Alienware FHD (1920x1080 resolution) camera.
  • Integrated Widescreen HD (720p) Webcam
Audio
  • Controller
    Realtek ALC3281-CG.
  • 2.0 Speaker configuration
  • 7.1 Digital Audio out using HDMI out connection
  • Alienware Sound Center and Audio Recon software
  • Microphone
    Digital-array microphones in camera assembly.
  • 2 x tuned speakers, audio processing by Waves MaxxAudio® Pro
  • 1 x combo headphone/microphone jack
  • Dual Digital Microphone Array

Misc

Alienware M15 R1Dell Inspiron 13 5391
Sensors-
  • Fingerprint reader sensor (Optional)
Security-Fingerprint Reader with Windows Hello (Optional)
MoreCHASIS
  • AlienFX Lighting Zones
    6 unique programmable zones with up to 16.8 million distinct colors (Standard).
-

Key Features

Alienware M15 R1Dell Inspiron 13 5391
At Glance
Released in Early
2019
16:9 FHD
15.6”
1080p 240Hz
Weight
4.85 lb
2.20 kg
Up to
Intel Core i7-9750H
6C/12T, 2.60 → 4.50 GHz
Geekbench 5
1,044
Single Core
Geekbench 5
4,880
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1150 MHz
Upgradable up to
32GB
2666 MHz DDR4
Alienware M15 R1 Ports
Nvidia GeForce
RTX 2080 SUPER
8GB GDDR6 with Max-Q
Released in Late
2019
16:9 FHD
13.3”
1080p 60Hz
Weight
2.16 lb
0.98 kg
Up to
Intel Core i7-10510U
4C/8T, 1.80 → 4.90 GHz
Geekbench 5
957
Single Core
Geekbench 5
2,942
Multi-Core
With integrated
Intel® UHD Graphics
24 Execution Units, 300 → 1150 MHz
Configurable up to
8GB
2133 MHz LPDDR3
Dell Inspiron 13 5391 Ports
Nvidia GeForce
MX250
2GB GDDR5

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