Dell Latitude 7520 vs. Alienware X15 R1: Full specs comparison

The following is a comprehensive comparison of the Dell Latitude 7520 and Alienware X15 R1 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

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Dell Latitude 7520 image

Dell Latitude 7520

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Alienware X15 R1 image

Alienware X15 R1

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Dell Latitude 7520 Pros

Reasons that Dell Latitude 7520 is better than Alienware X15 R1.

Supports faster memory

Dell Latitude 7520 supports a faster memory speed than the Alienware X15 R1. It supports up to 4267MHz versus 3200MHz of system memory on the Alienware X15 R1.

Memory type and speed
Dell Latitude 7520 - LPDDR4X
4,267 MHz
Alienware X15 R1 - DDR4
3,200 MHz
About 33% lighter

Dell Latitude 7520 weighed 3.37 pounds, 33% lighter than the 5 pounds Alienware X15 R1.

WeightDell Latitude 7520Alienware X15 R1
Pound
3.37 lbs.
5 lbs.
Kilogram
1.53 kg
2.27 kg

Alienware X15 R1 Pros

Reasons that Alienware X15 R1 is better than Dell Latitude 7520.

Much faster CPU performance

Intel Core i9-11900H inside Alienware X15 R1 has a 66% better multi-core CPU performance score than the Intel Core i7-1185G7 inside Dell Latitude 7520.

Geekbench 5 multi-core score
Alienware X15 R1 - Intel Core i9-11900H
8,121
Alienware X15 R1 - Intel Core i7-11800H
7,908
Dell Latitude 7520 - Intel Core i7-1185G7
4,864
Dell Latitude 7520 - Intel Core i7-1165G7
4,487
Dell Latitude 7520 - Intel Core i5-1145G7
4,450
Dell Latitude 7520 - Intel Core i5-1135G7
3,980
Supports discrete graphics

Configurable up to Nvidia GeForce RTX 3080 8GB GDDR6 90W TGP vs. integrated

Key Similars

Similar characteristics share between Dell Latitude 7520 and Alienware X15 R1.

Supports the same maximum memory size of up to 32GB

Both laptops supports up to 32GB of system memory.

Max system memory size
Dell Latitude 7520
32 GB
Alienware X15 R1
32 GB

Prices

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

Dell Latitude 7520 Price
Dell Latitude 7520 I7/3.0 16GB 512GB W10P, 15-15.99 inches (JD0DH)
 Dell Latitude 7520 I7/3.0 16GB 512GB W10P, 15-15.99 inches (JD0DH)
By Dell
$935.77
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Dell Precision 7520 15.6 FHD, Core i7 6820HQ 2.7GHz, 32GB RAM, 512GB SSD, Windows 10 Pro 64Bit, CAM (Renewed)
 Dell Precision 7520 15.6 FHD, Core i7 6820HQ 2.7GHz, 32GB RAM, 512GB SSD, Windows 10 Pro 64Bit, CAM (Renewed)
By Dell
$319.99
$341.02 6% OFF
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2021 Dell Latitude 7520 Laptop 15.6 - Intel Core i5 11th Gen - i5-1135G7 - Quad Core 4.2Ghz - 256GB SSD - 8GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
 2021 Dell Latitude 7520 Laptop 15.6 - Intel Core i5 11th Gen - i5-1135G7 - Quad Core 4.2Ghz - 256GB SSD - 8GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
By Dell
$724.96
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Alienware X15 Price
Alienware X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Intel Core i7-12700H, 16GB RAM, 512GB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, USB-C, WiFi 6, Bluetooth, Windows 11 Home - White
 Alienware X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Intel Core i7-12700H, 16GB RAM, 512GB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, USB-C, WiFi 6, Bluetooth, Windows 11 Home - White
By Alienware
$1,650.15
$1,999.97 17% OFF
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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
$1,771.99
$1,899.97 7% OFF
See at Amazon
Dell Alienware X15 R2 Gaming Laptop (2022) | 15.6" QHD | Core i7 - 1TB SSD - 16GB RAM - 3070 Ti | 14 Cores @ 4.7 GHz - 12th Gen CPU - 8GB GDDR5 Win 11 Home (Renewed)
 Dell Alienware X15 R2 Gaming Laptop (2022) | 15.6" QHD | Core i7 - 1TB SSD - 16GB RAM - 3070 Ti | 14 Cores @ 4.7 GHz - 12th Gen CPU - 8GB GDDR5 Win 11 Home (Renewed)
By Dell
$1,314.99
See at Amazon

Specs Comparison

Availability

Dell Latitude 7520Alienware X15 R1
Released20212021
Release Date
  • Announced on January 05, 2021 (CES 2021)
  • Available on January 12, 2021
Available on June 1, 2021
PricingStarting at $1,548.99
  • $1,999.99
    i7-11800H 16GB 256GB RTX 3060 FHD 165Hz
  • $2,379.99
    i7-11800H 16GB 512GB RTX 3070 FHD 165Hz
  • $2,629.99
    i7-11800H 32GB 1TB RTX 3070 FHD 165Hz
  • $2,929.99
    i9-11900H 32GB 1TB RTX 3070 FHD 360Hz
Generations

Exterior

Dell Latitude 7520Alienware X15 R1
Dimensions14.08” x 9.05” x 0.69” (357.7 mm x 229.75 mm x 17.5 mm)
  • 14.16” x 10.915” x 0.642” (359.7 x 277.25 x 16.3 mm)
    With FHD 165Hz diplay.
  • 14.16” x 10.915” x 0.626” (359.7 x 277.25 x 15.9 mm)
    With FHD 360Hz or QHD 240Hz diplay.
Weight3.37 lb (1.53 kg)5 - 5.2 lbs (2.27 - 2.36 kg)
Colors
  • Carbon Fiber
  • Aluminum
Lunar light
Keyboard and Trackpad
  • Keyboard
    • Single Pointing Backlit US-English Keyboard
    • Single Pointing Non-Backlit US-English Keyboard
  • Touchpad
    • Size: 4.92” x 3.14” (125 mm x 80 mm)
    • Supports Microsoft Precision multi-touch gesture.
  • Keyboard
    • Alienware X-Series thin keyboard
    • Per-key RGB LED with AlienFX lighting
    • Anti-ghosting and N-key rollover technology.
    • 1.5mm key travel.
  • Touchpad
    • Multi-touch gesture Premium Precision glass touchpad with integrated scrolling.
    • 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.
    • Supports AlienFX touchpad.

Display

Dell Latitude 7520Alienware X15 R1
Size15.6 Inches15.6 Inches
Info
  • 15.6” FHD
    1920 x 1080 TFT 250 nits 45% NTSC 700:1 Anti-Glare Non-Touch WVA 4.6W
  • 15.6” FHD with SLP and ComfortView Plus Support
    1920 x 1080 TFT IPS 400 nits 100% sRGB 700:1 Anti-Glare Non-Touch WVA Super Low Power Low Blue Light ComforView Plus 4.5W
  • 15.6” FHD with Touch Support
    1920 x 1080 TFT IPS 250 nits 45% NTSC 700:1 Anti-Glare Touch WVA 4.6W
  • 15.6” UHD with SLP and ComfortView Plus Support 
    3840 x 2160 TFT IPS 400 nits 100% sRGB 1000:1 Anti-Glare Non-Touch WVA Super Low Power Low Blue Light ComforView Plus 4.5W
  • 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

Ports

Dell Latitude 7520Alienware X15 R1
Dell Latitude 7520 Ports
Image Source: Dell
Left (4)
  • 1 x Thunderbolt 4
    40 Gpbs, USB 4.0 (40 Gbps), DisplayPort, Power Delivery
  • 1 x USB-A
    USB 3.1 Gen 1 (5 Gbps)
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x Smart Card Reader
    Optional
Right (6)
  • 1 x Thunderbolt 4
    40 Gpbs, USB 4.0 (40 Gbps), DisplayPort, Power Delivery
  • 1 x USB-A
    USB 3.1 Gen 1 (5 Gbps), PowerShare
  • 1 x HDMI
    v2.0
  • 1 x microSD card slot
  • 1 x microSIM card slot
    Optional
  • 1 x lock slot
Alienware X15 R1 Ports
Image Source: Dell
Left
  • 1 x Headset port
Right
  • 1 x Power/DC-in Port
Back
  • 1 x Thunderbolt 4
    Supports USB 3.2 Gen 2, DisplayPort 1.4, and PD output 15W (5V/3A).
  • 1 x USB-C
    Supports USB 3.2 Gen 2, DisplayPort 1.4, and PD output 15W (5V/3A).
  • 1 x USB-A
    Supports USB 3.2 Gen 1 with PowerShare
  • 1 x HDMI 2.1
    Supports up to 4K@120Hz display out.
  • 1 x MicroSD Card Slot

Internal Specs

Dell Latitude 7520Alienware X15 R1
Processor
  1. 11th Gen Intel® Core™ i5-1135G7
    4 cores, 8 threads, 2.40 → 4.20 GHz, 8MB SmartCache, 28W
  2. 11th Gen Intel® Core™ i5-1145G7
    4 cores, 8 threads, 2.60 → 4.40 GHz, 8MB SmartCache, 28W
  3. 11th Gen Intel® Core™ i7-1165G7
    4 cores, 8 threads, 2.80 → 4.70 GHz, 12MB SmartCache, 28W
  4. 11th Gen Intel® Core™ i7-1185G7
    4 cores, 8 threads, 3.00 → 4.80 GHz, 12MB SmartCache, 28W
  1. 11th Gen Intel® Core™ i7-11800H
    8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W
  2. 11th Gen Intel® Core™ i9-11900H
    8 cores, 16 threads, 2.50 → 4.90 GHz, 24MB SmartCache, 45W
Integrated Graphics
  1. 11th Gen Intel® Core™ i5-1135G7
    Intel® Iris® Xe Graphics
    80 Execution Units, 400 → 1300 MHz
  2. 11th Gen Intel® Core™ i5-1145G7
    Intel® Iris® Xe Graphics
    80 Execution Units, 400 → 1300 MHz
  3. 11th Gen Intel® Core™ i7-1165G7
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1300 MHz
  4. 11th Gen Intel® Core™ i7-1185G7
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1350 MHz
  1. 11th Gen Intel® Core™ i7-11800H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  2. 11th Gen Intel® Core™ i9-11900H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
Memory
  • Memory Info
    • Onboard Memory
    • Type: Dual-Channel LPDDR4x
    • Speed: 4267 MHz
  • Memory Configurations
    • 8GB 16GB 32GB
      Dual Channel
Memory Slots
  • Onbaord memory
Memory Configurations
  • Speed: 3200MHz
  • Memory Type: Dual-channel DDR4
  • Minimum Memory: 16 GB
  • Maximum Memory: 32 GB
Discrete Graphics-
  • NVIDIA® GeForce RTX™ 3060
    6GB GDDR6 TGP: 70W Dynamic Boost: 20W Max Power: 90W Speed: 1050 → 1402 MHz
  • NVIDIA® GeForce RTX™ 3070
    8GB GDDR6 TGP: 90W Dynamic Boost: 20W Max Power: 110W Speed: 930 → 1410 MHz
  • NVIDIA® GeForce RTX™ 3080
    8GB GDDR6 TGP: 90W Dynamic Boost: 20W Max Power: 110W Speed: 930 → 1365 MHz
* All configurations include 8-phase HyperEfficient graphics voltage regulation.
Storage
  • Hard Drive Slot
    • 1 x M.2 2230/2280 slot
  • Hard Drive Configurations
    • Up to 2TB PCIe SSD
  • 1 x M.2 2230 slots (Up to 256GB)
  • 2 x M.2 2280 slots (Up to 2TB each)
    Supports RAID-0

Connectivity

Dell Latitude 7520Alienware X15 R1
Wi-FiIntel® Wi-Fi 6 AX201 2x2 802.11ax 160MHz
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 6E AX1675x
Dual Band 2.4 GHz/5 GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
BluetoothBluetooth 5.1Bluetooth 5.2
MoreWWAN
  • Qualcomm Snapdragon X20 Gigabit LTE CAT 16 (DW5821e with optional e-SIM enabled)
  • Qualcomm Snapdragon X20 LTE-A CAT 9 (DW5829e with optional e-SIM enabled)
-

Battery

Dell Latitude 7520Alienware X15 R1
Size
  • 42Wh | 3-cell 63Wh | 4-cell
    ExpressCharge capable battery
  • 42Wh | 3-cell 63Wh | 4-cell
    Long Life Cycle battery
87 WHr, 6-cell smart lithium-ion battery
Power Supply
65W 90W
USB Type-C adapter.
240W
power adapter.

Software

Dell Latitude 7520Alienware X15 R1
OS
Windows 10 Home Windows 10 Pro Ubuntu 20.04
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
    AlienFX lighting Game Library Auto-tune game profile functionality Fusion Alienware Adrenalin Alienware Mobile Connect
  • Microsoft Office 365 (30-day trial)

Camera & Audio

Dell Latitude 7520Alienware X15 R1
Camera
  • Front-facing camera
    • 720p with 0.92 Megapixels (1280 x 720 HD) at 30 fps.
    • 1080p with 2.07 Megapixels (1920 x 1080p FHD) at 30 fps.
  • Optional Infrared camera
    For Windows Hello Facial Recognition.
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Optional Windows Hello IR support.
Audio
  • Realtek ALC3281-CG, High Definition Audio with Realtek ALC1309 Smart Amp
  • 2 x 2W = 4W stereo speakers
  • Dual digital microphones
  • Controller: Realtek ALC3281
    • 7.1 Digital Audio out using HDMI out connection
    • Alienware Sound Center via Alienware Command Center
  • Speakers:
    • 2 x 4W speakers
  • Microphone:
    • Dual-array microphones

Misc

Dell Latitude 7520Alienware X15 R1
Sensors
  • Ambient Light Sensor
  • Fingerprint Sensor
  • IR Camera (optional)
  • Proximity Sensor (optional)
Windows Hello IR Camera
Warranty3 Years Hardware Warranty with Onsite/In-Home Service after Remote Diagnosis1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis

Key Features

Dell Latitude 7520Alienware X15 R1
At Glance
Released in Early
2021
16:9 4K UHD
15.6”
2160p 60Hz
Weight
3.37 lb
1.53 kg
Up to
Intel Core i7-1185G7
4C/8T, 3.00 → 4.80 GHz
Geekbench 5
1,404
Single Core
Geekbench 5
4,864
Multi-Core
With integrated
Intel® Iris® Xe Graphics
96 Execution Units, 400 → 1350 MHz
Configurable up to
32GB
4267 MHz LPDDR4X
Dell Latitude 7520 Ports
Released in Mid
2021
16:9 QHD
15.6”
1440p 240Hz
Weight
5 lb
2.27 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
Configurable up to
32GB
3200 MHz DDR4
Alienware X15 R1 Ports
Nvidia GeForce
RTX 3080
8GB GDDR6 90W TGP

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