Dell Precision 3551 vs. Dell Precision 7550: Full specs comparison

We have comprehensively compared the specifications for the Dell Precision 3551 and Dell Precision 7550 models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Dell Precision 7550.

About 24% lighter

Dell Precision 3551 weighed 4.16 pounds, 24% lighter than the 5.42 pounds Dell Precision 7550.

WeightDell Precision 3551Dell Precision 7550
Pound
4.16 lbs.
5.42 lbs.
Kilogram
1.89 kg
2.46 kg

Dell Precision 7550 Pros

Reasons that Dell Precision 7550 is better than Dell Precision 3551.

Slightly faster CPU performance

Intel Xeon W-10885M inside Dell Precision 7550 has a 12% better multi-core CPU performance score than the Intel Core i9-10885H inside Dell Precision 3551.

Geekbench 5 multi-core score
Dell Precision 7550 - Intel Xeon W-10885M
7,618
Dell Precision 3551 - Intel Core i7-10875H
6,874
Dell Precision 7550 - Intel Core i7-10875H
6,874
Dell Precision 3551 - Intel Core i9-10885H
6,788
Dell Precision 7550 - Intel Core i9-10885H
6,788
Dell Precision 3551 - Intel Core i7-10750H
5,412
Dell Precision 7550 - Intel Core i7-10750H
5,412
Dell Precision 3551 - Intel Xeon W-10855M
5,372
Dell Precision 7550 - Intel Xeon W-10855M
5,372
Dell Precision 3551 - Intel Core i7-10850H
5,341
Dell Precision 7550 - Intel Core i7-10850H
5,341
Dell Precision 3551 - Intel Core i5-10400H
4,252
Dell Precision 7550 - Intel Core i5-10400H
4,252
Dell Precision 3551 - Intel Core i5-10300H
3,747
Supports larger memory

Dell Precision 7550 supports a larger memory capacity than the Dell Precision 3551. It supports up to 128GB versus 64GB of system memory on the Dell Precision 3551.

Max system memory size
Dell Precision 7550
128 GB
Dell Precision 3551
64 GB

Key Similars

Similar characteristics share between Dell Precision 3551 and Dell Precision 7550.

Upgradable memory

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

MemoryDell Precision 3551Dell Precision 7550
Slots
x2
x4
TypeDDR4DDR4 ECC

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
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
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)
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
Dell Precision 7550 Price
Dell Precision 7550 Laptop 15.6 - Intel Core i7 10th Gen - i7-10850H - Six Core 5.1Ghz - 512GB SSD - 32GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
Dell Precision 7550 Laptop 15.6 - Intel Core i7 10th Gen - i7-10850H - Six Core 5.1Ghz - 512GB SSD - 32GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
By Dell
$458.00
$559.99 18% OFF
2020 Dell Precision 7550 Laptop 15.6 - Intel Core i7 10th Gen - i7-10750H - Six Core 5Ghz - 512GB SSD - 64GB RAM - Nvidia Quadro T2000 - 1920x1080 FHD Touchscreen - Windows 10 Pro (Renewed)
2020 Dell Precision 7550 Laptop 15.6 - Intel Core i7 10th Gen - i7-10750H - Six Core 5Ghz - 512GB SSD - 64GB RAM - Nvidia Quadro T2000 - 1920x1080 FHD Touchscreen - Windows 10 Pro (Renewed)
By Dell
$729.99
Dell Precision 7550 Laptop 15.6 - Intel Core i7 10th Gen - i7-10850H - Six Core 5.1Ghz - 1TB SSD - 32GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
Dell Precision 7550 Laptop 15.6 - Intel Core i7 10th Gen - i7-10850H - Six Core 5.1Ghz - 1TB SSD - 32GB RAM - 1920x1080 FHD - Windows 10 Pro (Renewed)
By Dell
$541.00

Availability

Dell Precision 3551Dell Precision 7550
Released20202020
PricingStarting at $939-
Generations

Exterior

Dell Precision 3551Dell Precision 7550
Dimensions14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)14.17” x 9.53” x 0.98 - 1.08” (360 mm x 242 mm 25 - 27.36 mm)
Weight4.16 lbs (1.89 kg)Starting at 5.42 lb (2.45 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 with an optional backlit keyboard.
  • 3.92 x 2.09 in (99.50 mm x 53 mm) touchpad with multi-touch gesture support.

Display

Dell Precision 3551Dell Precision 7550
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" FHD
    1920x1080 60Hz Anti-Glare Non-Touch 45% NTSC 220 Nits WVA 4.20W
  • 15.6" FHD
    1920x1080 60Hz Anti-Glare Non-Touch 100% DCI-P3 500 Nits WVA 7.2W
  • 15.6" FHD with Touch
    1920x1080 60Hz Touch 100% DCI-P3 500 Nits WVA 7.4W
  • 15.6" UHD HDR400
    3840x2160 60Hz Anti-Glare Non-Touch 100% Adobe 500 Nits WVA 10W
  • 15.6" UHD HDR600
    3840x2160 60Hz Anti-Glare Non-Touch 100% Adobe 700 Nits WVA 18W

Ports

Dell Precision 3551Dell Precision 7550
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 7550 Ports
Image Source: Dell
Left (3)
  • 2 x Thunderbolt 3
    40 Gpbs, USB 3.2 Gen 2 (10 Gbps), DisplayPort, Power Delivery
  • 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

Internal Specs

Dell Precision 3551Dell Precision 7550
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™ i5-10400H
    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
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™ i5-10400H
    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
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
    • 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
Discrete Graphics
NVIDIA Quadro P620 (Optional)
Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.
  • NVIDIA Quadro T1000 (Optional)
    Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1455 MHz, 768 Shading Units.
  • NVIDIA Quadro T2000 (Optional)
    Turning Architecture, 4GB GDDR5 128-bit, 1575 → 1785 MHz, 1,024 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.
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
    • 3 x M.2 2280 PCIe SSD slot
  • Hard Drive Configurations
    • Up to 6TB M.2 NVMe PCIe SSD

Connectivity

Dell Precision 3551Dell Precision 7550
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
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 5.1
Bluetooth 5.1
EthernetIntel 1219-V/Intel 1219-LM Gigabit Ethernet controller
  • Integrated Intel i219-LM 10/100/1000 Mb/s Ethernet (RJ-45 ) with Intel Remote Wake UP and PXE

Battery

Dell Precision 3551Dell Precision 7550
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
  • 68 Wh (6-cell lithium-ion ExpressCharge Boost)
  • 95 Wh (6-cell lithium-ion ExpressCharge Boost)
  • 95 Wh (6-cell lithium-ion LCL)
Battery LifeUp 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
180 W power adapter
Power rated at 19.5 VDC/9.23 A.

Software

Dell Precision 3551Dell Precision 7550
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 trial
  • Microsoft Office 30-days trial
  • McAfee® Small Business Security 30 Day Free Trial

Camera & Audio

Dell Precision 3551Dell Precision 7550
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.
  • Optional Windows Hello Infrared Camera
Audio
  • Dual integrated high-quality speakers
  • 2W Stereo Speakers
  • Dual integrated noise-canceling digital array microphones
  • MaxxAudio® Pro by Waves
  • Realtek ALC3281 MaxxAudio® Pro by Waves
  • Two speakers (2W x 2)
  • Noise-reducing array microphones

Misc

Dell Precision 3551Dell Precision 7550
Sensors
  • Ambient light sensor
  • The fingerprint reader in the power button (optional)
  • IR Camera (optional)
  • Windows Hello compliant fingerprint reader on the keyboard deck
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.
  • 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 Certitication)
  • Contactless Smart Card
  • NFC/CSC (Check regional availability)
WarrantyBasic Onsite Service 12 Months, 12 Month(s)36 Months Basic Onsite Service

Key Features

Dell Precision 3551Dell Precision 7550
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 4K UHD
15.6”
2160p HDR
Weight
5.42 lb
2.46 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
2933 MHz DDR4 ECC
Dell Precision 7550 Ports
Nvidia Quadro
RTX 5000
16GB GDDR6

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