Dell Precision 7750 vs. Alienware M15 R4: Full specs comparison

We have comprehensively analyzed the technical specifications for the Dell Precision 7750 and Alienware M15 R4 models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

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Dell Precision 7750

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Alienware M15 R4

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Dell Precision 7750 Pros

Reasons that Dell Precision 7750 is better than Alienware M15 R4.

Slightly faster CPU performance

Intel Xeon W-10885M inside Dell Precision 7750 has a 8% better multi-core CPU performance score than the Intel Core i9-10980HK inside Alienware M15 R4.

Geekbench 5 multi-core score
Dell Precision 7750 - Intel Xeon W-10885M
7,618
Alienware M15 R4 - Intel Core i9-10980HK
7,013
Dell Precision 7750 - Intel Core i7-10875H
6,874
Dell Precision 7750 - Intel Core i9-10885H
6,788
Alienware M15 R4 - Intel Core i7-10870H
6,596
Dell Precision 7750 - Intel Core i7-10750H
5,412
Dell Precision 7750 - Intel Xeon W-10855M
5,372
Dell Precision 7750 - Intel Core i7-10850H
5,341
Dell Precision 7750 - Intel Core i5-10400H
4,252
Supports larger memory

Dell Precision 7750 supports a larger memory capacity than the Alienware M15 R4. It supports up to 128GB versus 32GB of system memory on the Alienware M15 R4.

Max system memory size
Dell Precision 7750
128 GB
Alienware M15 R4
32 GB
Supports faster memory

Dell Precision 7750 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
Dell Precision 7750 - DDR4 ECC
3,200 MHz
Alienware M15 R4 - DDR4
2,933 MHz
Upgradable memory

Dell Precision 7750 comes with four SODIMM slots 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.

MemoryDell Precision 7750Alienware M15 R4
Slots
x4
Onboard
TypeDDR4 ECCDDR4
10% larger display

Dell Precision 7750 has a 17.3-inch screen size 10% larger than the 15.6-inch Alienware M15 R4.

Display size
Dell Precision 7750
17.3-inch
Alienware M15 R4
15.6-inch

Alienware M15 R4 Pros

Reasons that Alienware M15 R4 is better than Dell Precision 7750.

Newer manufacturing

2021 vs. 2020

About 31% lighter

Alienware M15 R4 weighed 4.65 pounds, 31% lighter than the 6.65 pounds Dell Precision 7750.

WeightDell Precision 7750Alienware M15 R4
Pound
6.65 lbs.
4.65 lbs.
Kilogram
3.02 kg
2.11 kg

Prices

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

Dell Precision 7750 Price
Dell Precision 7750 Laptop 17.3 - Intel Core i7 10th Gen - i7-10850H - Six Core 5.1Ghz - 1TB SSD - 32GB RAM - Nvidia Quadro RTX 3000 - 1920x1080 FHD - Windows 10 Pro (Renewed)
 Dell Precision 7750 Laptop 17.3 - Intel Core i7 10th Gen - i7-10850H - Six Core 5.1Ghz - 1TB SSD - 32GB RAM - Nvidia Quadro RTX 3000 - 1920x1080 FHD - Windows 10 Pro (Renewed)
By Dell
$857.99
$899.99 5% OFF
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Dell Precision 7750 17.3-inch FHD Laptop, Xeon W-10885M, Eight Core 5.3Ghz, 1TB SSD, 32GB RAM, Nvidia Quadro RTX 3000, Windows 10 Pro (Renewed)
 Dell Precision 7750 17.3-inch FHD Laptop, Xeon W-10885M, Eight Core 5.3Ghz, 1TB SSD, 32GB RAM, Nvidia Quadro RTX 3000, Windows 10 Pro (Renewed)
By Dell
$1,198.99
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2020 Dell Precision 7750 Laptop 17.3 - Intel Core i7 10th Gen - i7-10750H - Six Core 5Ghz - 1TB SSD - 64GB RAM - Nvidia Quadro RTX 3000 - 1920x1080 FHD - Windows 10 Pro (Renewed)
 2020 Dell Precision 7750 Laptop 17.3 - Intel Core i7 10th Gen - i7-10750H - Six Core 5Ghz - 1TB SSD - 64GB RAM - Nvidia Quadro RTX 3000 - 1920x1080 FHD - Windows 10 Pro (Renewed)
By Dell
$1,486.96
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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
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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
$1,999.00
See at Amazon

Specs Comparison

Availability

Dell Precision 7750Alienware M15 R4
Released20202021
Release Date-
  • Announced on January 12, 2021 (CES 2021)
  • Available on January 26, 2021
Pricing-Starting at $2,149.99
Generations

Exterior

Dell Precision 7750Alienware M15 R4
Dimensions15.75” x 10.38” x 1.14” (400 mm x 263.6 mm x 28.9 mm)
  • 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
Weight6.65 lbs (3.01 kg)Starting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)
Colors-
  • Dark Side of the Moon with High Endurance Clear Coat
  • Lunar Light with High Endurance Clear Coat
Keyboard and Trackpad
  • Full-size with an optional backlit keyboard.
  • Built-in 10 Key Numeric Keypad
  • 3.92” x 3.15” (99.50 mm x 53 mm) 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

Dell Precision 7750Alienware M15 R4
Size17.3 Inches15.6 Inches
Info
  • 17.3" FHD 
    1920x1080 60Hz Anti-Glare Non-Touch 45% NTSC 220 Nits WVA
  • 17.3" FHD
    1920x1080 60Hz Anti-Glare Non-Touch 100% DCI-P3 500 Nits WVA
  • 17.3" UHD HDR400
    3840x2160 60Hz Anti-Glare Non-Touch 100% Adobe 500 Nits WVA
  • 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

Ports

Dell Precision 7750Alienware M15 R4
Dell Precision 7750 Ports
Image Source: Dell
Left (4)
  • 2 x Thunderbolt 4
    40 Gpbs, USB 3.2 Gen 2 (10 Gbps), DisplayPort
  • 1 x USB-A
    USB 3.2 Gen 1 (5 Gbps), PowerShare
  • 1 x Smart Card Reader
Right (5)
  • 1 x full-size SD card slot
  • 1 x headphone jack
    Headphone/Microphone
  • 2 x USB-A
    USB 3.2 Gen 1 (5 Gbps), PowerShare
  • 1 x lock slot
Back (4)
  • 1 x Mini DisplayPort
    v1.4
  • 1 x HDMI
    v2.0
  • 1 x RJ-45
    1 Gbps
  • 1 x power port
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

Internal Specs

Dell Precision 7750Alienware M15 R4
Processor
  1. 10th Gen Intel® Core™ i5-10400H
    4 cores, 8 threads, 2.60 → 4.60 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™ i7-10850H
    6 cores, 12 threads, 2.70 → 5.10 GHz, 12MB SmartCache, 45W
  4. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  5. 10th Gen Intel® Core™ i9-10885H
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  6. Intel Xeon W-10855M
    6 cores, 12 threads, 2.80 → 5.10 GHz, 12MB SmartCache, 45W
  7. Intel Xeon W-10885M
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  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
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-10400H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10850H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  4. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  5. 10th Gen Intel® Core™ i9-10885H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  6. Intel Xeon W-10855M
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  7. Intel Xeon W-10885M
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  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
Memory
  • Memory Slots
    • 4 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 128B
    • Memory Type: DDR4 ECC or Non-ECC memory
    • Memory Speed: 2666 MHz, 2933 MHz or 3200 MHz
8 GB 16 GB 32 GB
2933 MHz Dual-channel DDR4 RAM
Onboard memory.
Discrete Graphics
  • NVIDIA Quadro T1000 (Optional)
    Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1455 MHz, 768 Shading Units.
  • NVIDIA Quadro RTX 3000 Mobile (Optional)
    Turning Architecture, 6GB GDDR6 256-bit, 945→ 1380 MHz, 2,304 Shading Units.
  • NVIDIA Quadro RTX 4000 Mobile (Optional)
    Turning Architecture, 8GB GDDR6 256-bit, 1110→ 1560 MHz, 2,560 Shading Units.
  • NVIDIA Quadro RTX 5000 Mobile (Optional)
    Turning Architecture, 16GB GDDR6 256-bit, 1035→ 1545 MHz, 3,072 Shading Units.
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 VRAM.
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 VRAM.
Storage
  • Hard Drive Slots
    • 4 x M.2 2280 PCIe SSD slot
  • Hard Drive Configurations
    • Up to 8TB M.2 NVMe PCIe SSD
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

Dell Precision 7750Alienware M15 R4
Wi-Fi
  • Intel AX201
    Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) WiFi-6 (802.11ax) Bluetooth 5.1
  • 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.
BluetoothBluetooth 5.1
  • Rivet Killer Wi-Fi 6 AX1650i › Bluetooth 5.1
EthernetIntegrated Intel i219-LM 10/100/1000 Mb/s Ethernet (RJ-45 ) with Intel Remote Wake UP and PXE
  • Killer™ Ethernet E3100X PCI-e Gigabit ethernet controller
    Transfer rate: 10/100/1000/2500 Mbps

Battery

Dell Precision 7750Alienware M15 R4
Size
  • 68 Wh (6-cell lithium-ion ExpressCharge Boost)
  • 95 Wh (6-cell lithium-ion ExpressCharge Boost)
  • 95 Wh (6-cell lithium-ion Long Life Cycle)
86 WHr, 6-cell smart lithium-ion with Alienware Battery Defender
Power Supply240 W power adapter
Power rated at 19.5 VDC/12.31 A.
240W (19.50 VDC/12.31A)

Software

Dell Precision 7750Alienware M15 R4
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2
Upgradable to Windows 11
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Built-in Apps
  • Microsoft Office 30-days trial
  • McAfee® Small Business Security 30 Day Free 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

Dell Precision 7750Alienware M15 R4
Camera
  • Front-facing camera
    Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Optional Windows Hello Infrared Camera
    0.30 Megapixels (340 x 340) at 60 fps.
Front-facing camera
Alienware FHD (1920x1080 resolution) camera.
Audio
  • Realtek ALC3281 MaxxAudio® Pro by Waves
  • Two speakers (2W x 2)
  • Noise-reducing array microphones
  • 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

Misc

Dell Precision 7750Alienware M15 R4
Sensors
  • An optional fingerprint reader on the power button
  • Tobii Eyetracking technology (optional)
Security
  • Intel® vPro™ Technology (iAMT 12) (optional, requires Intel WiFi® Link WLAN and a vPro compatible processor), Dell Client Command Suite available (dell.com/command), Factory Installed Dell Client Command | Update, Dell Command | Power Manager,
  • Intel® Platform Trust Technology,
  • Trusted Platform Module (TPM) 2.0
  • Chassis wedge-shaped security lock
  • Support for Computrace and SmartCard Reader
  • Fingerprint reader or FIPS Fingerprint reader
  • Touch Fingerprint Reader with Control Vault 3.0 (Advanced Authentication with FIPS 140-2 Level 3 Certification)
  • Contacted Smart Card (FIPS 201 with Control Vault 3.0 Advanced Authentication with FIPS 140-2 level 3 Certification)
  • Contactless Smart Card
  • NFC/CSC (Check regional availability)
  • Wedge-shaped lock slot
Warranty36 Months Basic Onsite Service-
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

Dell Precision 7750Alienware M15 R4
At Glance
Released in
2020
16:9 4K UHD
17.3”
2160p HDR
Weight
6.65 lb
3.02 kg
Up to
Intel Xeon W-10885M
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,256
Single Core
Geekbench 5
7,618
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
128GB
3200 MHz DDR4 ECC
Dell Precision 7750 Ports
Nvidia Quadro
RTX 5000
16GB GDDR6
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

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