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Dell Precision 3551 vs. Alienware M15 R4: Full specs comparison

Here is a comparison of the specs between Dell Precision 3551 and Alienware M15 R4, including CPU, RAM, storage, battery, display, and more.

Compare With Please enter device name or part of it Dell Precision 3551 See at Amazon	Compare With Please enter device name or part of it Alienware M15 R4 See at Amazon See at Dell

Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Alienware M15 R4.

Dell Precision 3551 supports a larger memory capacity than the Alienware M15 R4. It supports up to 64GB versus 32GB of system memory on the Alienware M15 R4.

Max system memory size

Dell Precision 3551

64 GB

Alienware M15 R4

32 GB

Dell Precision 3551 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 M15 R4 since it has onboard memory.

Memory	Dell Precision 3551	Alienware M15 R4
Slots	x2	Onboard
Type	DDR4	DDR4

Dell Precision 3551 weighed 4.16 pounds, 11% lighter than the 4.65 pounds Alienware M15 R4.

Weight	Dell Precision 3551	Alienware M15 R4
Pound	4.16 lbs.	4.65 lbs.
Kilogram	1.89 kg	2.11 kg

Alienware M15 R4 Pros

Reasons that Alienware M15 R4 is better than Dell Precision 3551.

2021 vs. 2020

Key Similars

Similar characteristics share between Dell Precision 3551 and Alienware M15 R4.

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

Geekbench 5 multi-core score

Alienware M15 R4 - Intel Core i9-10980HK

7,013

Dell Precision 3551 - Intel Core i7-10875H

6,874

Dell Precision 3551 - Intel Core i9-10885H

6,788

Alienware M15 R4 - Intel Core i7-10870H

6,596

Dell Precision 3551 - Intel Core i7-10750H

5,412

Dell Precision 3551 - Intel Xeon W-10855M

5,372

Dell Precision 3551 - Intel Core i7-10850H

5,341

Dell Precision 3551 - Intel Core i5-10400H

4,252

Dell Precision 3551 - Intel Core i5-10300H

3,747

Both laptops supports the same 2933MHz DDR4 RAM.

Memory type and speed

Dell Precision 3551 - DDR4

2,933 MHz

Alienware M15 R4 - DDR4

2,933 MHz

Prices

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

Dell Precision 3551 Price
	Dell Precision 3551 Workstation Laptop PC Intel Core i7-10850H GHz Processor, 16GB Ram, 512GB NVMe SSD Drive, HDMI, Thunderbolt, NVIDIA Quadro P620, Windows 10 Pro (Renewed) By Dell $358.74	See at Amazon
	Dell Precision 3551 15.6" FHD Intel Core i7-10750H 2.6GHz, 16GB RAM, 512GB SSD, Windows 11 Pro 64bit, CAM, NVIDIA Quadro P620 4GB (Renewed) By Dell $718.99	See at Amazon
	Dell Precision 3551 15.6" FHD, Core i7-10750H 2.6GHz, 32GB RAM, 1TB Solid State Drive, Windows 11 Pro 64Bit, CAM, No Touch, NVIDIA Quadro P620 4GB, (Renewed) By Dell $645.00	See at Amazon
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 By Dell $1,740.00	See at Amazon
	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 By Alienware $1,999.00	See at Amazon

Availability	Dell Precision 3551	Alienware M15 R4
Released	2020	2021
Release Date	-	Announced on January 12, 2021 (CES 2021) Available on January 26, 2021
Pricing	Starting at $939	Starting at $2,149.99
Generations	2022 Dell Precision 3571 2022 Dell Precision 3570 2021 Dell Precision 3561 2021 Dell Precision 3560 2020 Dell Precision 3551 2020 Dell Precision 3550	2022 Alienware M15 R7 2021 Alienware M15 R6 2021 Alienware M15 R5 2021 Alienware M15 R4 2020 Alienware M15 R3 2019 Alienware M15 R2 2019 Alienware M15 R1

Exterior	Dell Precision 3551	Alienware M15 R4
Dimensions	14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 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
Weight	4.16 lbs (1.89 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 backlit keyboard. 4.00” x 2.45” (101.7 mm x 55.2 mm) touchpad with 5 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 3551	Alienware M15 R4
Size	15.6 Inches	15.6 Inches
Info	15.6" HD Non-Touch 1366x768 100 PPI 220 nits Anti-Glare Non-Touch 45% color gamut 15.6" FHD Non-Touch 1920x1080 141 PPI 220 nits Anti-Glare Non-Touch 45% color gamut WVA 15.6" FHD Non-Touch 1920x1080 141 PPI 300 nits Anti-Glare Non-Touch 100% sRGB WVA 15.6" FHD Touch 1920x1080 141 PPI 220 nits Anti-Glare w/Embedded Touch 45% color gamut 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 3551	Alienware M15 R4
Image Source: Dell 1 x USB Type-C with Thunderbolt™ 3 Supports USB 3.2 Gen 2 and DisplayPort 1.4. 2 x USB 3.2 Gen 1 1 x USB 3.2 Gen 1 with PowerShare 1 x HDMI 2.0b Port 1 x RJ-45 port 1 x Headset jack 1 x MicroSD-card reader 1 x SIM card slot (optional) 1 x Smart card reader (optional) 1 x Wedge-shaped lock slot 1 x DC-in	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 3551	Alienware M15 R4
Processor	10th Gen Intel® Core™ i5-10300H 4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i5-10400H 4 cores, 8 threads, 2.60 → 4.60 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i7-10750H 6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W 10th Gen Intel® Core™ i7-10850H 6 cores, 12 threads, 2.70 → 5.10 GHz, 12MB SmartCache, 45W Intel Xeon W-10855M 6 cores, 12 threads, 2.80 → 5.10 GHz, 12MB SmartCache, 45W 10th Gen Intel® Core™ i7-10875H 8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W 10th Gen Intel® Core™ i9-10885H 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W	10th Gen Intel® Core™ i7-10870H 8 cores, 16 threads, 2.20 → 5.00 GHz, 16MB SmartCache, 45W 10th Gen Intel® Core™ i9-10980HK 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics	10th Gen Intel® Core™ i5-10300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1050 MHz 10th Gen Intel® Core™ i5-10400H Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 10th Gen Intel® Core™ i7-10750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 10th Gen Intel® Core™ i7-10850H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz Intel Xeon W-10855M Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i7-10875H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i9-10885H Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz	10th Gen Intel® Core™ i7-10870H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i9-10980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz
Memory	Memory Slots 2 x DDR4 SODIMM slots Memory Configurations Speed: 2933MHz Memory Type: ECC or Non-ECC Minimum Memory: 8GB Maximum Memory: 64GB	8 GB 16 GB 32 GB 2933 MHz Dual-channel DDR4 RAM Onboard memory.
Discrete Graphics	NVIDIA Quadro P620 (Optional) Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.	NVIDIA® GeForce RTX™ 3070 8GB GDDR6 VRAM. NVIDIA® GeForce RTX™ 3080 8GB GDDR6 VRAM.
Storage	Hard Drive Slots 1 x M.2 PCIe SSD slot 1 x 2.5 inches hard drive slot Hard Drive Configurations Up to 2TB M.2 NVMe PCIe SSD Up to 2TB SATA Hard Drive	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 3551	Alienware 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 Qualcomm QCA61x4A (DW1820) 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) Bluetooth 5.0	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.
Bluetooth	Bluetooth 5.0 Bluetooth 5.1	Rivet Killer Wi-Fi 6 AX1650i › Bluetooth 5.1
Ethernet	Intel 1219-V/Intel 1219-LM Gigabit Ethernet controller	Killer™ Ethernet E3100X PCI-e Gigabit ethernet controller Transfer rate: 10/100/1000/2500 Mbps

Battery	Dell Precision 3551	Alienware M15 R4
Size	51 Wh - 3-cell lithium-ion, ExpressCharge capable 68 Wh - 4-cell lithium-ion, ExpressCharge capable 68 Wh - 4-cell lithium-ion, Long Cycle Life 97 Wh - 6-cell lithium-ion, ExpressCharge capable	86 WHr, 6-cell smart lithium-ion with Alienware Battery Defender
Battery Life	Up to 20 hours of battery life With optional 6-cell 97 Wh battery.	-
Power Supply	90 W power adapter 130 W USB-C power adapter	240W (19.50 VDC/12.31A)

Software	Dell Precision 3551	Alienware 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	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 3551	Alienware M15 R4
Camera	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps. Optinal Infrared camera For Windows Hello Facial Recognition.	Front-facing camera Alienware FHD (1920x1080 resolution) camera.
Audio	Dual integrated high-quality speakers 2W Stereo Speakers Dual integrated noise-canceling digital array microphones MaxxAudio® Pro by Waves	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 3551	Alienware M15 R4
Sensors	Ambient light sensor The fingerprint reader in the power button (optional) IR Camera (optional)	Tobii Eyetracking technology (optional)
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.	Wedge-shaped lock slot
Warranty	Basic Onsite Service 12 Months, 12 Month(s)	-
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 3551	Alienware M15 R4
At Glance	Released in 2020 16:9 FHD 15.6” 1080p 60Hz Weight 4.16 lb 1.89 kg Up to Intel Core i9-10885H 8C/16T, 2.40 → 5.30 GHz Geekbench 5 1,196 Single Core Geekbench 5 6,788 Multi-Core With integrated Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz Upgradable up to 64GB 2933 MHz DDR4 Nvidia Quadro P620 4GB GDDR5	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 Nvidia GeForce RTX 3080 8GB GDDR6

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Dell Precision 3551 vs. Alienware M15 R4: Full specs comparison