Dell XPS 15 9575 vs. Alienware M15 R1: Which is better?

Here is a side by side comparison between Dell XPS 15 9575 and Alienware M15 R1 specs including CPU, RAM, storage, battery, display, and more.

Dell XPS 15 9575 Pros

Reasons that Dell XPS 15 9575 is better than Alienware M15 R1.

About 11% lighter

Dell XPS 15 9575 weighed 4.36 pounds, 11% lighter than the 4.85 pounds Alienware M15 R1.

WeightDell XPS 15 9575Alienware M15 R1
Pound
4.36 lbs.
4.85 lbs.
Kilogram
1.98 kg
2.20 kg

Alienware M15 R1 Pros

Reasons that Alienware M15 R1 is better than Dell XPS 15 9575.

Newer manufacturing

2019 vs. 2018

Significantly faster CPU performance

Intel Core i7-9750H inside Alienware M15 R1 has a 36% better multi-core CPU performance score than the Intel Core i7-8705G inside Dell XPS 15 9575.

Geekbench 5 multi-core score
Alienware M15 R1 - Intel Core i7-9750H
4,880
Alienware M15 R1 - Intel Core i7-8750H
4,470
Dell XPS 15 9575 - Intel Core i7-8705G
3,576
Alienware M15 R1 - Intel Core i5-8300H
3,269
Dell XPS 15 9575 - Intel Core i5-8305G
3,116
Supports larger memory

Alienware M15 R1 supports a larger memory capacity than the Dell XPS 15 9575. It supports up to 32GB versus 16GB of system memory on the Dell XPS 15 9575.

Max system memory size
Alienware M15 R1
32 GB
Dell XPS 15 9575
16 GB
Supports faster memory

Alienware M15 R1 supports a faster memory speed than the Dell XPS 15 9575. It supports up to 2666MHz versus 2400MHz of system memory on the Dell XPS 15 9575.

Memory type and speed
Alienware M15 R1 - DDR4
2,666 MHz
Dell XPS 15 9575 - DDR4
2,400 MHz

Prices

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

Dell XPS 15 9575 Price
Dell XPS 15 2-in-1 9575-15.6" 4K Touch - i7-8705G - AMD RX Vega M - 16GB - 256GB SSD
Dell XPS 15 2-in-1 9575-15.6" 4K Touch - i7-8705G - AMD RX Vega M - 16GB - 256GB SSD
By Dell
$899.95
Dell XPS 15 9575 2-in-1 15.6" FHD Touch InfinityEdge Touch, 8th Gen Intel Core i7-8705G, Radeon RX Vega M, 16GB, 512GB SSD, Win 10 Pro
Dell XPS 15 9575 2-in-1 15.6" FHD Touch InfinityEdge Touch, 8th Gen Intel Core i7-8705G, Radeon RX Vega M, 16GB, 512GB SSD, Win 10 Pro
By Dell
$799.95
Dell XPS 15 2-in-1 9575 15.6in 4K UHD Touch i7-8705G 16GB RAM 512GB SSD Radeon RX Vega M 4GB Fingerprint Windows 10 PRO (Renewed)
Dell XPS 15 2-in-1 9575 15.6in 4K UHD Touch i7-8705G 16GB RAM 512GB SSD Radeon RX Vega M 4GB Fingerprint Windows 10 PRO (Renewed)
By Dell
$684.69
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
$1,784.99
$1,899.97 6% OFF
Alienware X16 R1 Gaming Laptop - 16-inch QHD+ 240Hz Display, Intel Core i9-13900HK, 32GB LPDDR5 RAM, 1TB SSD, NVIDIA GeForce RTX 4080 12GB GDDR6, Windows 11 Home - Lunar Silver
Alienware X16 R1 Gaming Laptop - 16-inch QHD+ 240Hz Display, Intel Core i9-13900HK, 32GB LPDDR5 RAM, 1TB SSD, NVIDIA GeForce RTX 4080 12GB GDDR6, Windows 11 Home - Lunar Silver
By Alienware
$3,499.99
Alienware m15 R7 Gaming Laptop - 15.6-inch 240Hz 2ms QHD, Intel Core i9-12900H, 32GB DDR5 RAM, 1TB SSD, NVIDIA Geforce RTX 3080 Graphics, Killer AX 1675i with Dell services, Windows 11 Home - Dark
Alienware m15 R7 Gaming Laptop - 15.6-inch 240Hz 2ms QHD, Intel Core i9-12900H, 32GB DDR5 RAM, 1TB SSD, NVIDIA Geforce RTX 3080 Graphics, Killer AX 1675i with Dell services, Windows 11 Home - Dark
By Alienware
$1,376.50
$2,399.00 43% OFF

Availability

Dell XPS 15 9575Alienware M15 R1
Released20182019
Release Date
  • Announced at CES 2018
  • Available on April 2018
  • Announced at CES 2019
  • Available on January 29, 2019
Pricing-Starting at $1,379.99
Generations-

Exterior

Dell XPS 15 9575Alienware M15 R1
Dimensions13.93 x 9.25 x 0.62 in (354 x 235 x 16 mm)
Width: 13.93” (354 mm)
Depth: 9.25” (235 mm)
Height: 0.62” (16 mm)
14.27 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)
Weight
  • 4.36 lb (1.97 kg)
Starting at 4.85 lbs (2.20 kg)
Colors
  • Silver (CNC machined aluminum in platinum silver with carbon fiber composite palm rest in black)
  • Epic Silver
  • Nebula Red
Keyboard and Trackpad
  • Full-size backlit Mag-Lev keyboard, 0.7mm travel.
  • 4.13 x 3.14 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.
  • 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.

Display

Dell XPS 15 9575Alienware M15 R1
Size15.6 Inches15.6 Inches
Info
  • 15.6-inch FHD touchscreen
    1920 x 1080, IPS, 141 PPI, 100% sRGB,400-nit brightness, InfinityEdge, Anti-Reflective, 10-finger Touch Support, Multi-protocol Active Pen with Tilt support, Edge-to-edge Corning® Gorilla® Glass 4.
  • 15.6-inch 4K UHD touchscreen
    3840 x 2160, IPS, 282 PPI, 100% AdobeRGB,400-nit brightness, InfinityEdge, Anti-Reflective, 10-finger Touch Support, Multi-protocol Active Pen with Tilt support, Edge-to-edge Corning® Gorilla® Glass 4.
Full 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

Ports

Dell XPS 15 9575Alienware M15 R1
Dell XPS 15 9575 Ports
Image Source: Dell
  • 2 x Thunderbolt™ 3 
    (4 lanes of PCI Express Gen 3) supporting: Power Delivery, Thunderbolt 3 (40Gbps bi-directional), USB 3.1 Gen 2 (10Gbps), Native DisplayPort 1.2 video output, VGA, HDMI, Ethernet, and USB-A via Dell Adapter (sold separately).
  • 2 x USB Type-C 3.1
    Supports Power Delivery and DisplayPort.
  • 1 x microSD card reader
  • 1 x Noble lock slot
  • 1 x Battery gauge button and indicator
  • 1 x Headset jack
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

Internal Specs

Dell XPS 15 9575Alienware M15 R1
Processor
  1. 8th Gen Intel® Core™ i5-8305G
    4 cores, 8 threads, 2.80 → 3.80 GHz, 6MB Cache, 65W
  2. 8th Gen Intel® Core™ i7-8705G
    4 cores, 8 threads, 3.10 → 4.10 GHz, 8MB Cache, 65W
  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
Integrated Graphics
  1. 8th Gen Intel® Core™ i5-8305G
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1000 MHz
  2. 8th Gen Intel® Core™ i7-8705G
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  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
Memory
  • 8 GB 16 GB
    2400 MHz Dual-channel DDR4 RAM.
8 GB 16 GB 32 GB
2666 MHz Dual-channel DDR4 RAM.
2 x SODIMM slots
Discrete Graphics
  • Radeon™ RX Vega M GL Graphics
    4GB HBM2 graphics memory, 931 MHz up to 1,011 MHz, 20 Compute Units, 179.2 GB/s memory bandwidth, 1024 bit memory interface, H.264, H.265 (10-bit HEVC) hardware encode/decode.
  • 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
Storage
  • 128 GB 256 GB 512 GB 1 TB
    PCIe 3x4 NVMe SSD up to 32 Gbps.
Single 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

Connectivity

Dell XPS 15 9575Alienware M15 R1
Wi-Fi
  • Rivet Killer® 1435-S
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac).
  • Intel® 8265
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac).
  • 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.
Bluetooth
  • Bluetooth 4.1
  • Qualcomm QCA61x4A (DW1820) › Bluetooth 4.2
  • Rivet Killer 1550 › Bluetooth 5.0
Ethernet-
  • Killer E2500 PCI-E Gigabit Ethernet Controller

Battery

Dell XPS 15 9575Alienware M15 R1
Size
  • 6-cell smart lithium-ion 75 Wh
  • 4-cell smart lithium-ion (60 Wh)
  • 6-cell smart lithium-ion (90Wh)
Battery Life
  • Up to 15 hours and 53 minutes
* Tested on FHD panel.
  • Up to 17 hours on idle with 90Wh battery.
Power Supply130 W power adapter
Power rated at 20VDC/6.50A.
  • 130W (19.50 VDC/6.70A)
  • 180W (19.50 VDC/9.23A)
* Support Hybrid Power

Software

Dell XPS 15 9575Alienware M15 R1
OS
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Built-in Apps
  • Microsoft Office 30-days trial
  • McAfee LiveSafe™ 12 Month Subscription
  • Alienware Command Center
  • Alienware Adrenlin
  • Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)

Camera & Audio

Dell XPS 15 9575Alienware M15 R1
Camera
  • Front-facing camera
    Bottom-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Infrared camera
    340 x 340 for Windows Hello authentication.
  • Front-facing camera
    Alienware FHD (1920x1080 resolution) camera.
Audio
  • Realtek ALC3271-CG with Stereo speakers professionally tuned with Waves MaxxAudio® Pro
  • Two speakers (1W x 2 = 2W total)
  • Dual-array microphones
  • 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.

Misc

Dell XPS 15 9575Alienware M15 R1
Sensors
  • Optional Windows Hello compliant fingerprint reader in the power button
  • Ambient light sensor
  • Gyroscope
  • eCompass/Magnetometer
  • Accelerometer/FFS
-
Security
  • Windows Hello with Fingerprint Sign in
  • Windows Hello with Infrared Camera
  • Noble lock slot
-
More-CHASIS
  • AlienFX Lighting Zones
    6 unique programmable zones with up to 16.8 million distinct colors (Standard).

Key Features

Dell XPS 15 9575Alienware M15 R1
At Glance
Released in Early
2018
16:9 4K UHD
15.6”
2160p 60Hz
Weight
4.36 lb
1.98 kg
Up to
Intel Core i7-8705G
4C/8T, 3.10 → 4.10 GHz
Geekbench 5
960
Single Core
Geekbench 5
3,576
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1100 MHz
Up to
16GB
2400 MHz DDR4
Dell XPS 15 9575 Ports
AMD Radeon
RX Vega M GL
4GB HBM2
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

Comparison Summary

Dell XPS 15 9575 vs. Alienware M15 R1

Dell has released the XPS 15 9575, a 15.6-inch machine, in early-2018. It is powered by up to a quad-core Intel Core i7-8705G with a boost clock speed up to 4.10 GHz. The laptop has a dedicated GPU option up to AMD Radeon RX Vega M GL with 4GB HBM2.

On the other hand, we have the 15.6-inch Alienware M15 R1 was introduced by Dell about a year later in early-2019. It comes with up to a hexa-core Intel Core i7-9750H with a boost clock speed up to 4.50 GHz. It has a dedicated GPU option up to Nvidia GeForce RTX 2080 SUPER with 8GB GDDR6 with Max-Q.

Geekbench 5 Single Core

Dell XPS 15 95751
8th Gen Intel® Core™ i5-8305G81978.45%
2
8th Gen Intel® Core™ i7-8705G96091.95%
Alienware M15 R11
8th Gen Intel® Core™ i5-8300H93589.56%
2
8th Gen Intel® Core™ i7-8750H97593.39%
3
9th Gen Intel® Core™ i7-9750H1,044100.00%
01,044

Geekbench 5 Multi Core

Dell XPS 15 95751
8th Gen Intel® Core™ i5-8305G3,11663.85%
2
8th Gen Intel® Core™ i7-8705G3,57673.28%
Alienware M15 R11
8th Gen Intel® Core™ i5-8300H3,26966.99%
2
8th Gen Intel® Core™ i7-8750H4,47091.60%
3
9th Gen Intel® Core™ i7-9750H4,880100.00%
04,880

Both Dell XPS 15 9575 and Alienware M15 R1 have the same 15.6-inch display size. In addition, The Dell XPS 15 9575 weighs 4.36 lbs. about 11% lighter than the 4.85 lbs. Alienware M15 R1. Moreover, measured at 13.93” x 9.25” x 0.62”, the Dell XPS 15 9575 is much more portable than the Alienware M15 R1 at 14.27” x 10.85” x 0.78”.

Dell XPS 15 9575Alienware M15 R1

Moving over to upgradability, Dell claims that the Dell XPS 15 9575 supports up to 16GB 2400 MHz DDR4 memory. It also comes with a single removable M.2 SSD slot that users can replace and upgrade in the future.

For Alienware M15 R1, it supports up to 32GB 2666 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also has two M.2 slots that users can easily swap or add an extra SSD to get extra space when needed. Besides that, it also comes with a SATA slot where you can install an additional 2.5-inch SATA-based SSD, SSHD, or a hard disk drive.

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