Dell Precision 3551 vs. Dell Precision 3550: Full specs comparison

We have comprehensively analyzed the technical specifications for the Dell Precision 3551 and Dell Precision 3550 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 3551

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Dell Precision 3550

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Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Dell Precision 3550.

Much faster CPU performance

Intel Core i9-10885H inside Dell Precision 3551 has a 73% better multi-core CPU performance score than the Intel Core i7-10810U inside Dell Precision 3550.

Geekbench 5 multi-core score
Dell Precision 3551 - Intel Core i7-10875H
6,874
Dell Precision 3551 - Intel Core i9-10885H
6,788
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 3550 - Intel Core i7-10810U
3,911
Dell Precision 3551 - Intel Core i5-10300H
3,747
Dell Precision 3550 - Intel Core i7-10610U
3,042
Dell Precision 3550 - Intel Core i5-10310U
2,992
Dell Precision 3550 - Intel Core i7-10510U
2,942
Dell Precision 3550 - Intel Core i5-10210U
2,933
Supports larger memory

Dell Precision 3551 supports a larger memory capacity than the Dell Precision 3550. It supports up to 64GB versus 32GB of system memory on the Dell Precision 3550.

Max system memory size
Dell Precision 3551
64 GB
Dell Precision 3550
32 GB
Supports faster memory

Dell Precision 3551 supports a faster memory speed than the Dell Precision 3550. It supports up to 2933MHz versus 2666MHz of system memory on the Dell Precision 3550.

Memory type and speed
Dell Precision 3551 - DDR4
2,933 MHz
Dell Precision 3550 - DDR4
2,666 MHz

Dell Precision 3550 Pros

We couldn't find any advantages of Dell Precision 3550 over Dell Precision 3551.

Key Similars

Similar characteristics share between Dell Precision 3551 and Dell Precision 3550.

Upgradable memory

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

MemoryDell Precision 3551Dell Precision 3550
Slots
x2
x2
TypeDDR4DDR4

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)
 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
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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)
 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
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Dell Laptop Charger 130W USB C Type C AC Adapter,Precision 3551 3560 3561 3570 3571 5470 5550 5560 5570 5750 5760 5770 AC Charger
 Dell Laptop Charger 130W USB C Type C AC Adapter,Precision 3551 3560 3561 3570 3571 5470 5550 5560 5570 5750 5760 5770 AC Charger
By Dell
$88.88
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Dell Precision 3550 Price
Dell Precision 3550 15.6-inch Laptop - Intel Core i5 10th Gen i5-10310U - Quad Core 4.4Ghz - 256GB SSD - 16GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
 Dell Precision 3550 15.6-inch Laptop - Intel Core i5 10th Gen i5-10310U - Quad Core 4.4Ghz - 256GB SSD - 16GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
By Dell
$349.99
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Dell Precision 3550 15.6-inch Laptop - Intel Core i5 10th Gen i5-10310U - Quad Core 4.4Ghz - 512GB SSD - 16GB RAM - 1920x1080 FHD - Windows 10 Pro Carbon (Renewed)
 Dell Precision 3550 15.6-inch Laptop - Intel Core i5 10th Gen i5-10310U - Quad Core 4.4Ghz - 512GB SSD - 16GB RAM - 1920x1080 FHD - Windows 10 Pro Carbon (Renewed)
By Dell
$1,163.97
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Dell Precision 3550 Laptop FHD Notebook PC, Intel Core i7-10510U Processor, 16GB DDR4 Ram, 512GB NVMe SSD, Webcam, WiFi & Bluetooth, Thunderbolt, HDMI, NVIDIA Quadro P520 Windows 10 Pro (Renewed)
 Dell Precision 3550 Laptop FHD Notebook PC, Intel Core i7-10510U Processor, 16GB DDR4 Ram, 512GB NVMe SSD, Webcam, WiFi & Bluetooth, Thunderbolt, HDMI, NVIDIA Quadro P520 Windows 10 Pro (Renewed)
By Dell
$600.00
See at Amazon

Specs Comparison

Availability

Dell Precision 3551Dell Precision 3550
Released20202020
PricingStarting at $939-
Generations

Exterior

Dell Precision 3551Dell Precision 3550
Dimensions14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)14.13” x 9.30” x 0.46 - 0.59” (359.1 mm x 236.25 mm x 11.81 - 14.99  mm)
Weight4.16 lbs (1.89 kg)4.09 lbs (1.86 kg)
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.
  • Full-size backlit keyboard.
  • 4.00” x 2.45” (101.7 mm x 55.2 mm) touchpad with 5 multi-touch gesture support.

Display

Dell Precision 3551Dell Precision 3550
Size15.6 Inches15.6 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" 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

Ports

Dell Precision 3551Dell Precision 3550
Dell Precision 3551 Ports
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
Dell Precision 3550 Ports
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 1.4 Port
  • 1 x Flip-Down 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 Noble Wedge-shaped lock slot
  • 1 x DC-in

Internal Specs

Dell Precision 3551Dell Precision 3550
Processor
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i5-10400H
    4 cores, 8 threads, 2.60 → 4.60 GHz, 8MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  4. 10th Gen Intel® Core™ i7-10850H
    6 cores, 12 threads, 2.70 → 5.10 GHz, 12MB SmartCache, 45W
  5. Intel Xeon W-10855M
    6 cores, 12 threads, 2.80 → 5.10 GHz, 12MB SmartCache, 45W
  6. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  7. 10th Gen Intel® Core™ i9-10885H
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
  1. 10th Gen Intel® Core™ i5-10210U
    4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i5-10310U with vPro™
    4 cores, 8 threads, 1.70 → 4.40 GHz, 6MB SmartCache, 15W
  3. 10th Gen Intel® Core™ i7-10510U
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
  4. 10th Gen Intel® Core™ i7-10610U with vPro™
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
  5. 10th Gen Intel® Core™ i7-10810U with vPro™
    6 cores, 12 threads, 1.10 → 4.90 GHz, 12MB SmartCache, 15W
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i5-10400H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  3. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  4. 10th Gen Intel® Core™ i7-10850H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  5. Intel Xeon W-10855M
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  6. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  7. 10th Gen Intel® Core™ i9-10885H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  1. 10th Gen Intel® Core™ i5-10210U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1100 MHz
  2. 10th Gen Intel® Core™ i5-10310U with vPro™
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10510U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  4. 10th Gen Intel® Core™ i7-10610U with vPro™
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  5. 10th Gen Intel® Core™ i7-10810U with vPro™
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 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
  • Memory Slots
    • 2 x DDR4 SODIMM slots
  • Memory Configurations
    • Speed: 2667MHz
    • Memory Type: Non-ECC
    • Minimum Memory: 4GB
    • Maximum Memory: 32B
Discrete Graphics
NVIDIA Quadro P620 (Optional)
Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.
NVIDIA Quadro P520 (Optional)
Pascal Architecture, 2GB GDDR5 64-bit, 1303 → 1493 MHz, 384 CUDA Cores.
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
  • 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

Connectivity

Dell Precision 3551Dell Precision 3550
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
  • 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
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 5.1
  • Bluetooth 5.0
  • Bluetooth 5.1
EthernetIntel 1219-V/Intel 1219-LM Gigabit Ethernet controllerIntel 1219-V/Intel 1219-LM Gigabit Ethernet controller

Battery

Dell Precision 3551Dell Precision 3550
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
  • 42 Wh - 3-cell lithium-ion, ExpressCharge capable
  • 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
Battery LifeUp to 20 hours of battery life
With optional 6-cell 97 Wh battery.
Up to 17 hours of battery life
With optional 4-cell 68 Wh ExpressCharge capable battery.
Power Supply
  • 90 W power adapter
  • 130 W USB-C power adapter
  • 65 W - 7 mm-barrel power adapter
  • 90 W - 7 mm-barrel power adapter
  • 65 W - USB-C power adapter
  • 90 W - USB-C power adapter

Software

Dell Precision 3551Dell Precision 3550
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2
Upgradable to Windows 11
Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2
Upgradable to Windows 11
Built-in AppsMicrosoft Office 30-days trialMicrosoft Office 30-days trial

Camera & Audio

Dell Precision 3551Dell Precision 3550
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
    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.
Audio
  • Dual integrated high-quality speakers
  • 2W Stereo Speakers
  • Dual integrated noise-canceling digital array microphones
  • MaxxAudio® Pro by Waves
  • Dual integrated high-quality speakers
  • 2W Stereo Speakers
  • Dual integrated noise-canceling digital array microphones
  • MaxxAudio® Pro by Waves

Misc

Dell Precision 3551Dell Precision 3550
Sensors
  • Ambient light sensor
  • The fingerprint reader in the power button (optional)
  • IR Camera (optional)
  • Ambient light sensor
  • The fingerprint reader in the power button (optional)
  • IR Camera (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.
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)Basic Onsite Service 12 Months, 12 Month(s)

Key Features

Dell Precision 3551Dell Precision 3550
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
Dell Precision 3551 Ports
Nvidia Quadro
P620
4GB GDDR5
Released in
2020
16:9 FHD
15.6”
1080p 60Hz
Weight
4.09 lb
1.86 kg
Up to
Intel Core i7-10810U
6C/12T, 1.10 → 4.90 GHz
Geekbench 5
1,039
Single Core
Geekbench 5
3,911
Multi-Core
With integrated
Intel® UHD Graphics
24 Execution Units, 300 → 1150 MHz
Upgradable up to
32GB
2666 MHz DDR4
Dell Precision 3550 Ports
Nvidia Quadro
P520
2GB GDDR5

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