Dell Precision 3551 vs. Dell Latitude 7520: Full specs comparison

Here is a comparison of the specs between Dell Precision 3551 and Dell Latitude 7520, including CPU, RAM, storage, battery, display, and more.

Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Dell Latitude 7520.

Significantly faster CPU performance

Intel Core i9-10885H inside Dell Precision 3551 has a 39% better multi-core CPU performance score than the Intel Core i7-1185G7 inside Dell Latitude 7520.

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 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 Precision 3551 - Intel Core i5-10400H
4,252
Dell Latitude 7520 - Intel Core i5-1135G7
3,980
Dell Precision 3551 - Intel Core i5-10300H
3,747
Supports larger memory

Dell Precision 3551 supports a larger memory capacity than the Dell Latitude 7520. It supports up to 64GB versus 32GB of system memory on the Dell Latitude 7520.

Max system memory size
Dell Precision 3551
64 GB
Dell Latitude 7520
32 GB
Upgradable memory

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 Dell Latitude 7520 since it has onboard memory.

MemoryDell Precision 3551Dell Latitude 7520
Slots
x2
Onboard
TypeDDR4LPDDR4X
Supports discrete graphics

Configurable up to Nvidia Quadro P620 4GB GDDR5 vs. integrated

Dell Latitude 7520 Pros

Reasons that Dell Latitude 7520 is better than Dell Precision 3551.

Newer manufacturing

2021 vs. 2020

Supports faster memory

Dell Latitude 7520 supports a faster memory speed than the Dell Precision 3551. It supports up to 4267MHz versus 2933MHz of system memory on the Dell Precision 3551.

Memory type and speed
Dell Latitude 7520 - LPDDR4X
4,267 MHz
Dell Precision 3551 - DDR4
2,933 MHz
About 19% lighter

Dell Latitude 7520 weighed 3.37 pounds, 19% lighter than the 4.16 pounds Dell Precision 3551.

WeightDell Precision 3551Dell Latitude 7520
Pound
4.16 lbs.
3.37 lbs.
Kilogram
1.89 kg
1.53 kg

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 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
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
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
$724.94
2021 Dell Latitude 7520 Laptop 15.6 - Intel Core i5 11th Gen - i5-1135G7 - Quad Core 4.2Ghz - 1TB SSD - 16GB RAM - 1920x1080 FHD - Windows 10 Home (Renewed)
2021 Dell Latitude 7520 Laptop 15.6 - Intel Core i5 11th Gen - i5-1135G7 - Quad Core 4.2Ghz - 1TB SSD - 16GB RAM - 1920x1080 FHD - Windows 10 Home (Renewed)
By Dell
$845.99

Availability

Dell Precision 3551Dell Latitude 7520
Released20202021
Release Date-
  • Announced on January 05, 2021 (CES 2021)
  • Available on January 12, 2021
PricingStarting at $939Starting at $1,548.99
Generations

Exterior

Dell Precision 3551Dell Latitude 7520
Dimensions14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)14.08” x 9.05” x 0.69” (357.7 mm x 229.75 mm x 17.5 mm)
Weight4.16 lbs (1.89 kg)3.37 lb (1.53 kg)
Colors-
  • Carbon Fiber
  • Aluminum
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
    • 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.

Display

Dell Precision 3551Dell Latitude 7520
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
    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

Ports

Dell Precision 3551Dell Latitude 7520
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 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

Internal Specs

Dell Precision 3551Dell Latitude 7520
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. 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
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. 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
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 Info
    • Onboard Memory
    • Type: Dual-Channel LPDDR4x
    • Speed: 4267 MHz
  • Memory Configurations
    • 8GB 16GB 32GB
      Dual Channel
Discrete Graphics
NVIDIA Quadro P620 (Optional)
Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 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 Slot
    • 1 x M.2 2230/2280 slot
  • Hard Drive Configurations
    • Up to 2TB PCIe SSD

Connectivity

Dell Precision 3551Dell Latitude 7520
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® 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
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 5.1
Bluetooth 5.1
EthernetIntel 1219-V/Intel 1219-LM Gigabit Ethernet controller-
More-WWAN
  • 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 Precision 3551Dell Latitude 7520
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
  • 42Wh | 3-cell 63Wh | 4-cell
    ExpressCharge capable battery
  • 42Wh | 3-cell 63Wh | 4-cell
    Long Life Cycle battery
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
65W 90W
USB Type-C adapter.

Software

Dell Precision 3551Dell Latitude 7520
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 20.04
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 Latitude 7520
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
    • 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.
Audio
  • Dual integrated high-quality speakers
  • 2W Stereo Speakers
  • Dual integrated noise-canceling digital array microphones
  • MaxxAudio® Pro by Waves
  • Realtek ALC3281-CG, High Definition Audio with Realtek ALC1309 Smart Amp
  • 2 x 2W = 4W stereo speakers
  • Dual digital microphones

Misc

Dell Precision 3551Dell Latitude 7520
Sensors
  • Ambient light sensor
  • The fingerprint reader in the power button (optional)
  • IR Camera (optional)
  • Ambient Light Sensor
  • Fingerprint Sensor
  • IR Camera (optional)
  • Proximity Sensor (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.
-
WarrantyBasic Onsite Service 12 Months, 12 Month(s)3 Years Hardware Warranty with Onsite/In-Home Service after Remote Diagnosis

Key Features

Dell Precision 3551Dell Latitude 7520
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 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

Comments

Ask questions or share your thought and experience about the comparison between Dell Precision 3551 and Dell Latitude 7520.

Loading Comments...