Dell Precision 3561 vs. Alienware X15 R1: Which is better?

Here is a side by side comparison between Dell Precision 3561 and Alienware X15 R1 specs including CPU, RAM, storage, battery, display, and more.

Dell Precision 3561 Pros

Reasons that Dell Precision 3561 is better than Alienware X15 R1.

Supports larger memory

Dell Precision 3561 supports a larger memory capacity than the Alienware X15 R1. It supports up to 64GB versus 32GB of system memory on the Alienware X15 R1.

Max system memory size
Dell Precision 3561
64 GB
Alienware X15 R1
32 GB
Upgradable memory

Dell Precision 3561 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 X15 R1 since it has onboard memory.

MemoryDell Precision 3561Alienware X15 R1
Slots
x2
Onboard
TypeDDR4DDR4
About 21% lighter

Dell Precision 3561 weighed 3.95 pounds, 21% lighter than the 5 pounds Alienware X15 R1.

WeightDell Precision 3561Alienware X15 R1
Pound
3.95 lbs.
5 lbs.
Kilogram
1.79 kg
2.27 kg

Alienware X15 R1 Pros

We couldn't find any advantages of Alienware X15 R1 over Dell Precision 3561.

Key Similars

Similar characteristics share between Dell Precision 3561 and Alienware X15 R1.

Similar CPU performance

Both laptops has a similar multi-core CPU performance score.

Geekbench 5 multi-core score
Dell Precision 3561 - Intel Core i9-11950H
8,450
Dell Precision 3561 - Intel Core i7-11850H
8,205
Alienware X15 R1 - Intel Core i9-11900H
8,121
Dell Precision 3561 - Intel Core i7-11800H
7,908
Alienware X15 R1 - Intel Core i7-11800H
7,908
Dell Precision 3561 - Intel Xeon W-11855M
6,936
Dell Precision 3561 - Intel Core i5-11500H
6,270
Dell Precision 3561 - Intel Core i5-11400H
5,592
Uses the same memory type and speed

Both laptops supports the same 3200MHz DDR4 RAM.

Memory type and speed
Dell Precision 3561 - DDR4
3,200 MHz
Alienware X15 R1 - DDR4
3,200 MHz

Prices

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

Dell Precision 3561 Price
Dell Precision 3000 3561 Workstation Laptop (2021) | 15.6" FHD | Core i7 - 256GB SSD - 16GB RAM | 8 Cores @ 4.6 GHz - 11th Gen CPU Win 11 Pro (Renewed)
Dell Precision 3000 3561 Workstation Laptop (2021) | 15.6" FHD | Core i7 - 256GB SSD - 16GB RAM | 8 Cores @ 4.6 GHz - 11th Gen CPU Win 11 Pro (Renewed)
By Dell
$949.97
Dell Precision 3000 3561 15.6" Mobile Workstation - Full HD - 1920 x 1080 - Intel Core i7 11th Gen i7-11850H Octa-core (8 Core) 2.50 GHz - 32 GB RAM - 512 GB SSD - Titan Gray
Dell Precision 3000 3561 15.6" Mobile Workstation - Full HD - 1920 x 1080 - Intel Core i7 11th Gen i7-11850H Octa-core (8 Core) 2.50 GHz - 32 GB RAM - 512 GB SSD - Titan Gray
By Dell
$1,237.77
Dell Precision 3000 3561 15.6" Mobile Workstation - Full HD - 1920 x 1080 - Intel Core i7 11th Gen i7-11850H Octa-core (8 Core) 2.50 GHz - 16 GB RAM - 512 GB SSD - Titan Gray
Dell Precision 3000 3561 15.6" Mobile Workstation - Full HD - 1920 x 1080 - Intel Core i7 11th Gen i7-11850H Octa-core (8 Core) 2.50 GHz - 16 GB RAM - 512 GB SSD - Titan Gray
By Dell
$1,099.77
Alienware X15 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 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
$1,910.69
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

Availability

Dell Precision 3561Alienware X15 R1
Released20212021
Release DateAnnounced on May 11, 2021Available on June 1, 2021
Pricing-
  • $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 Precision 3561Alienware X15 R1
Dimensions14.09” x 9.19” x 0.89 - 0.95” (357.80 x 233.30 x 22.67 - 24.05  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.
Weight3.95 lb (1.79 kg)5 - 5.2 lbs (2.27 - 2.36 kg)
Colors-
Lunar light
Keyboard and Trackpad
  • Single Pointing English US Keyboard and 10 Key Numpad.
  • Optional backlit key.
  • 4.53 x 2.64 (115 mm x 67 mm) touchpad with multi-touch gesture support.
  • 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 Precision 3561Alienware X15 R1
Size15.6 Inches15.6 Inches
Info
  • 15.6" HD
    1366x768 100 PPI 220 nits 60Hz Anti-Glare Non-Touch NTSC 45% color gamut 500:1 TN 4.2W
  • 15.6" FHD
    1920x1080 141 PPI 250 nits 60Hz Anti-Glare Non-Touch NTSC 45% color gamut 700:1 WVA 4.2W
  • 15.6" FHD Touch
    1920x1080 141 PPI 250 nits 60Hz Anti-Glare Touch NTSC 45% color gamut 700:1 WVA 4.2W
  • 15.6" FHD 100% sRGB
    1920x1080 141 PPI 400 nits 60Hz Anti-Glare Non-Touch 100% sRGB color gamut 700:1 WVA 4.6W
  • 15.6” UHD
    3840x2160 283 PPI 400 nits 60Hz Anti-Glare Non-Touch 100% sRGB color gamut 1000:1 WVA 3.5W
  • 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 Precision 3561Alienware X15 R1
Dell Precision 3561 Ports
Image Source: Dell
Left
  • 2 x USB-C
    Thunderbolt 4, USB 4, DisplayPort 2.0, and Power Delivery.
  • 1 x Smart card reader
    Optional.
Right
  • 1 x USB-A
    USB 3.2 Gen 1.
  • 1 x USB-A
    USB 3.2 Gen 1 with PowerShare.
  • 1 x HDMI 2.0
  • 1 x RJ-45
    Flip-Down Network port.
  • 1 x Headset
    3.5mm Headphone jack.
  • 1 x MicroSD card reader
  • 1 x Lock slot
    Noble Wedge-shaped 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 Precision 3561Alienware X15 R1
Processor
  1. 11th Gen Intel® Core™ i5-11400H
    6 cores, 12 threads, 2.70 → 4.50 GHz, 12MB SmartCache, 45W
  2. 11th Gen Intel® Core™ i5-11500H
    6 cores, 12 threads, 2.90 → 4.60 GHz, 12MB SmartCache, 45W
  3. Intel Xeon W-11855M
    6 cores, 12 threads, 3.20 → 4.90 GHz, 18MB SmartCache, 45W
  4. 11th Gen Intel® Core™ i7-11800H
    8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W
  5. 11th Gen Intel® Core™ i7-11850H
    8 cores, 16 threads, 2.50 → 4.80 GHz, 24MB SmartCache, 45W
  6. 11th Gen Intel® Core™ i9-11950H
    8 cores, 16 threads, 2.60 → 5.00 GHz, 24MB SmartCache, 45W
  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™ i5-11400H
    Intel® UHD Graphics
    16 Execution Units, 350 → 1450 MHz
  2. 11th Gen Intel® Core™ i5-11500H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  3. Intel Xeon W-11855M
    Intel® UHD P630 Graphics
    32 Execution Units, 350 → 1450 MHz
  4. 11th Gen Intel® Core™ i7-11800H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  5. 11th Gen Intel® Core™ i7-11850H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 MHz
  6. 11th Gen Intel® Core™ i9-11950H
    Intel® UHD Graphics
    32 Execution Units, 350 → 1450 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
MemoryMemory Slots
  • 2 x DDR4 SODIMM slots
Memory Configurations
  • Speed: 3200 MHz
  • Memory Type: Non-ECC 
    Supports ECC on Intel Xeon Processors.
  • Minimum Memory: 4GB
  • Maximum Memory: 64B
Memory Slots
  • Onbaord memory
Memory Configurations
  • Speed: 3200MHz
  • Memory Type: Dual-channel DDR4
  • Minimum Memory: 16 GB
  • Maximum Memory: 32 GB
Discrete Graphics
  • NVIDIA Quadro T600, 4GB GDDR6
  • NVIDIA Quadro T1200, 4GB GDDR6
  • 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.
StorageHard Drive Slots
  • 2 x M.2 2230/2280 PCIe SSD slots
  • 1 x 2.5” hard drive
Hard Drive Configurations
  • Up to 2TB M.2 NVMe PCIe Gen4 x4 SSD
  • Up to 1TB 2.5-inch 7200 rpm SATA hard-disk drive
  • 1 x M.2 2230 slots (Up to 256GB)
  • 2 x M.2 2280 slots (Up to 2TB each)
    Supports RAID-0

Connectivity

Dell Precision 3561Alienware X15 R1
Wi-Fi
  • Qualcomm QCA61x4A (DW1820)
    Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi 5 802.11a/b/g/n/ac Bluetooth 5.0
  • Intel AX201
    Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi 6 802.11a/b/g/n/ac/ax Bluetooth 5.1
  • Intel AX210
    Up to 2400 Mbps Triple Band 2.4GHz/5GHz/6GHz WiFi 6 802.11a/b/g/n/ac/ax Bluetooth 5.2
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
Bluetooth
Bluetooth 5.0 Bluetooth 5.1 Bluetooth 5.2
Bluetooth 5.2
EthernetIntel 1219-V/Intel 1219-LM Gigabit Ethernet controller-
MoreOptional Intel XMM 7360 (DW5820e) Global LTE-Advanced WWAN-

Battery

Dell Precision 3561Alienware X15 R1
Size
  • 64 Wh
    4-cell Polymer, ExpressCharge capable.
  • 64 Wh
    4-cell Polymer, Long Cycle Life and ExpressCharge capable.
  • 97 Wh
    6-cell Polymer, ExpressCharge capable.
87 WHr, 6-cell smart lithium-ion battery
Power Supply
90W 130W
USB-C power adapter.
240W
power adapter.

Software

Dell Precision 3561Alienware X15 R1
OS
Windows 10 Home Windows 10 Pro Ubuntu 20.04 LTS RedHat 8.2
Upgradable to Windows 11
Windows 10 Home Windows 10 Pro
Upgradable to Windows 11
Built-in AppsMicrosoft Office 30-days 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 Precision 3561Alienware X15 R1
Camera
  • Front-facing camera
    Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Optional Infrared camera
    For Windows Hello Facial Recognition.
  • Optional Proximity sensor 
    For Express Sign-in
  • Front-facing camera.
    Alienware HD (1280x720 resolution) camera.
  • Optional Windows Hello IR support.
Audio
  • Realtek ALC3204 with Waves MaxxAudio Pro
  • 2 x 2W Stereo Speakers
  • Dual integrated noise-canceling digital array 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 Precision 3561Alienware X15 R1
Sensors
  • The fingerprint reader in the power button (optional)
  • Proximity sensor
    For Express Sign-in feature.
  • IR Camera (optional)
Windows Hello IR Camera
Security
Hardware Security
  • SafeBIOS - protects from threats that attack below-the-OS. Includes Dell Off-host BIOS Verification, BIOS Resilience, BIOS Recovery, and additional BIOS Controls.
  • SafeID - secures end-user credentials with a dedicated security chip. Additional features include the following: Trusted Platform Module (TPM) 2.07, self-encrypting storage drives (Opal, FIPS), Smart card keyboard (FIPS).
  • Physical Security Options - Chassis lock slot support, Chassis Intrusion Switch, Lockable Cable Covers, Supply chain tamper alerts (Check regional availability)
Software Security
  • SafeGuard and Response - powered by VMware Carbon Black and Secureworks provides modern security to prevent, detect, and remediate advanced malware and cyber attacks. A suite of technologies include the following: Next-Generation Antivirus (NGAV), Endpoint Detection and Response (EDR), Threat Detection and Response (TDR), Managed Endpoint Detection and Response, Incident Management Retainer, Emergency Incident Response
  • SafeData - protects information on devices and in the cloud.
-
WarrantyBasic Onsite Service 12 Months, 12 Month(s)1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis

Key Features

Dell Precision 3561Alienware X15 R1
At Glance
Released in Mid
2021
16:9 4K UHD
15.6”
2160p 60Hz
Weight
3.95 lb
1.79 kg
Up to
Intel Core i9-11950H
8C/16T, 2.60 → 5.00 GHz
Geekbench 5
1,581
Single Core
Geekbench 5
8,450
Multi-Core
With integrated
Intel® UHD Graphics
32 Execution Units, 350 → 1450 MHz
Upgradable up to
64GB
3200 MHz DDR4
Dell Precision 3561 Ports
Nvidia Quadro
T1200
4GB GDDR6
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

Comparison Summary

Dell Precision 3561 vs. Alienware X15 R1

Dell has released the Precision 3561, a 15.6-inch machine, in mid-2021. It is powered by up to an octa-core Intel Core i9-11950H with a boost clock speed up to 5.00 GHz. The laptop has a dedicated GPU option up to Nvidia Quadro T1200 with 4GB GDDR6.

On the other hand, we have the 15.6-inch Alienware X15 R1 was introduced by Dell around the same time in mid-2021. It comes with up to an octa-core Intel Core i9-11900H with a boost clock speed up to 4.90 GHz. It has a dedicated GPU option up to Nvidia GeForce RTX 3080 with 8GB GDDR6 90W TGP.

Geekbench 5 Single Core

Dell Precision 35611
11th Gen Intel® Core™ i5-11400H1,32083.39%
2
11th Gen Intel® Core™ i5-11500H1,42189.77%
3
Intel Xeon W-11855M1,45992.17%
4
11th Gen Intel® Core™ i7-11800H1,46692.61%
5
11th Gen Intel® Core™ i7-11850H1,583100.00%
6
11th Gen Intel® Core™ i9-11950H1,58199.87%
Alienware X15 R11
11th Gen Intel® Core™ i7-11800H1,46692.61%
2
11th Gen Intel® Core™ i9-11900H1,43090.33%
01,583

Geekbench 5 Multi Core

Dell Precision 35611
11th Gen Intel® Core™ i5-11400H5,59266.18%
2
11th Gen Intel® Core™ i5-11500H6,27074.20%
3
Intel Xeon W-11855M6,93682.08%
4
11th Gen Intel® Core™ i7-11800H7,90893.59%
5
11th Gen Intel® Core™ i7-11850H8,20597.10%
6
11th Gen Intel® Core™ i9-11950H8,450100.00%
Alienware X15 R11
11th Gen Intel® Core™ i7-11800H7,90893.59%
2
11th Gen Intel® Core™ i9-11900H8,12196.11%
08,450

Both Dell Precision 3561 and Alienware X15 R1 have the same 15.6-inch display size. In addition, The Dell Precision 3561 weighs 3.95 lbs. about 26% lighter than the 5 lbs. Alienware X15 R1. Moreover, measured at 14.09” x 9.19” x 0.95”, the Dell Precision 3561 is much bulkier than the Alienware X15 R1 at 14.16” x 10.915” x 0.626”.

Dell Precision 3561Alienware X15 R1

Moving over to upgradability, Dell claims that the Dell Precision 3561 supports up to 64GB 3200 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also comes with two M.2 slots that users can easily upgrade and install an additional SSD to expand the storage on the device. On top of that, it also has a single SATA slot that users can use to install a 2.5-inch SATA SSD, SSHD, or a hard disk drive to add even more storage.

For Alienware X15 R1, it supports up to 32GB 3200 MHz DDR4 memory. Unlike Dell Precision 3561, it has an onboard memory module that is not upgradable by the users. Luckily, it has two M.2 slots that users can easily swap or add an extra SSD to get extra space when needed.

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