Dell Precision 3551 vs. Dell Latitude 7400: Full specs comparison

The following is a comprehensive comparison of the Dell Precision 3551 and Dell Latitude 7400 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

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Dell Precision 3551 image

Dell Precision 3551

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Dell Latitude 7400

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Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Dell Latitude 7400.

Much faster CPU performance

Intel Core i9-10885H inside Dell Precision 3551 has a 61% better multi-core CPU performance score than the Intel Core i7-8665U inside Dell Latitude 7400.

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 Latitude 7400 - Intel Core i7-8665U
4,209
Dell Precision 3551 - Intel Core i5-10300H
3,747
Dell Latitude 7400 - Intel Core i5-8365U
3,442
Dell Latitude 7400 - Intel Core i5-8265U
2,132
Supports larger memory

Dell Precision 3551 supports a larger memory capacity than the Dell Latitude 7400. It supports up to 64GB versus 32GB of system memory on the Dell Latitude 7400.

Max system memory size
Dell Precision 3551
64 GB
Dell Latitude 7400
32 GB
Supports faster memory

Dell Precision 3551 supports a faster memory speed than the Dell Latitude 7400. It supports up to 2933MHz versus 2400MHz of system memory on the Dell Latitude 7400.

Memory type and speed
Dell Precision 3551 - DDR4
2,933 MHz
Dell Latitude 7400 - DDR4
2,400 MHz
Supports discrete graphics

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

11% larger display

Dell Precision 3551 has a 15.6-inch screen size 11% larger than the 14-inch Dell Latitude 7400.

Display size
Dell Precision 3551
15.6-inch
Dell Latitude 7400
14-inch

Dell Latitude 7400 Pros

Reasons that Dell Latitude 7400 is better than Dell Precision 3551.

About 29% lighter

Dell Latitude 7400 weighed 2.99 pounds, 29% lighter than the 4.16 pounds Dell Precision 3551.

WeightDell Precision 3551Dell Latitude 7400
Pound
4.16 lbs.
2.99 lbs.
Kilogram
1.89 kg
1.36 kg

Key Similars

Similar characteristics share between Dell Precision 3551 and Dell Latitude 7400.

Upgradable memory

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

MemoryDell Precision 3551Dell Latitude 7400
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
$699.95
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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
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Dell Latitude 7400 Price
Dell Latitude 7400 14" FHD Laptop, 8th Gen Intel Core i7-8665U Dual Core, 16GB DDR4 RAM, 512GB SSD, Type-C, HDMI, Windows 10 Pro (Renewed)
 Dell Latitude 7400 14" FHD Laptop, 8th Gen Intel Core i7-8665U Dual Core, 16GB DDR4 RAM, 512GB SSD, Type-C, HDMI, Windows 10 Pro (Renewed)
By Dell
$260.93
$274.00 5% OFF
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Dell Latitude 7400 Laptop, 14.0 inches FHD (1920 x 1080) Touchscreen, Intel Core 8th Gen i7-8665U, 16GB RAM, 256GB SSD, Windows 11 (Renewed)
 Dell Latitude 7400 Laptop, 14.0 inches FHD (1920 x 1080) Touchscreen, Intel Core 8th Gen i7-8665U, 16GB RAM, 256GB SSD, Windows 11 (Renewed)
By Dell
$299.04
See at Amazon
Dell Latitude 7400 14-Inch Full HD Touch Screen Intel Core i7-8665U 32GB RAM 512GB SSD Win 11 Pro Laptop (Renewed)
 Dell Latitude 7400 14-Inch Full HD Touch Screen Intel Core i7-8665U 32GB RAM 512GB SSD Win 11 Pro Laptop (Renewed)
By Dell
$338.00
$377.03 10% OFF
See at Amazon

Specs Comparison

Availability

Dell Precision 3551Dell Latitude 7400
Released20202019
PricingStarting at $939-
Generations

Exterior

Dell Precision 3551Dell Latitude 7400
Dimensions14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)12.65” x 8.42” x 0.70 - 0.75” (321.35mm x 214.08mm x 17.82 - 18.96mm)”
Weight4.16 lbs (1.89 kg)2.99 lb (1.36kg)
Colors-
  • CNC machined aluminum in platinum silver
  • Carbon fiber in black
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
    • Full size, backlit chiclet keyboard.
  • Touchpad
    • Size: 3.91” x 2.08” (99.5mm x 53mm)
    • Supports Microsoft Precision multi-touch gesture.
    • Have dedicated left and right-click buttons.

Display

Dell Precision 3551Dell Latitude 7400
Size15.6 Inches14 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
  • 14” HD
    WXGA (1366x768), 220 nits, anti-glare, non-touch display.
  • 14” FHD
    (1920 x 1080), 300 nits, anti-glare, non-touch display
  • 14” FHD
    (1920 x 1080), 300 nits, anti-glare, non-touch display with Dynamic Privacy Dell SafeScreen
  • 14” FHD Touch
    (1920 x 1080), 255 nits, anti-glare, touch display

Ports

Dell Precision 3551Dell Latitude 7400
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 7400 Ports
Image Source: Dell
Left (5)
  • 1 x power port
  • 1 x Thunderbolt 3
    40 Gpbs, USB 3.1 Gen 2 (10 Gbps), DisplayPort 1.2, Power Delivery
  • 1 x HDMI
    v1.4
  • 1 x USB-A
    USB 3.1 Gen 1 (5 Gbps)
  • 1 x Smart Card Reader
    Optional
Right (5)
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x microSD card slot
  • 1 x nanoSIM card slot
    Optional
  • 1 x USB-A
    USB 3.1 Gen 1 (5 Gbps), PowerShare
  • 1 x lock slot

Internal Specs

Dell Precision 3551Dell Latitude 7400
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. 8th Gen Intel® Core™ i5-8265U
    4 cores, 8 threads, 1.60 → 3.90 GHz, 6MB SmartCache, 15W
  2. 8th Gen Intel® Core™ i5-8365U
    4 cores, 8 threads, 1.60 → 4.10 GHz, 6MB SmartCache, 15W
  3. 8th Gen Intel® Core™ i7-8665U
    4 cores, 8 threads, 1.90 → 4.80 GHz, 8MB 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. 8th Gen Intel® Core™ i5-8265U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  2. 8th Gen Intel® Core™ i5-8365U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  3. 8th Gen Intel® Core™ i7-8665U
    Intel® UHD Graphics 620
    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 Info
    • 2 x SoDIMM slots
    • Type: Dual-Channel DDR4
    • Speed: 2400 MHz
  • Memory Configurations
    • Minimum Memory: 4GB
    • Maximum Memory: 32GB
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 2280 slot
  • Hard Drive Configurations
    • Up to 1TB PCIe SSD

Connectivity

Dell Precision 3551Dell Latitude 7400
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
  • Qualcomm QCA61x4A Wi-Fi 5 802.11ac
    Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
  • Intel® Wi-Fi 5 Wireless-AC 9560 2x2 802.11ac vPro
    Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
  • Intel® Wi-Fi 6 AX200 2x2 802.11ax 160MHz
    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
  • Bluetooth 5.0
  • Bluetooth 5.1
  • Bluetooth 5.0 
    With Intel® Wi-Fi 5 Wireless-AC 9560 and Intel® Wi-Fi 6 AX200 models
  • Bluetooth 4.2
    With Qualcomm QCA61x4A models
EthernetIntel 1219-V/Intel 1219-LM Gigabit Ethernet controller-
More-Optional Mobile Broadband Qualcomm Snapdragon X20 Global Gigabit LTE (Optional)

Battery

Dell Precision 3551Dell Latitude 7400
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
  • 32 Wh (3-cell Polymer, ExpressCharge capable battery)
  • 60 Wh (4-cell Polymer, ExpressCharge capable battery)
  • 60 Wh (4-cell Polymer, Long Life 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 7.4 mm Barrel Adapter
  • 90W 7.4 mm Barrel Adapter
  • 65W adapter, Type-C
  • 90W adapter, Type-C

Software

Dell Precision 3551Dell Latitude 7400
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 AppsMicrosoft Office 30-days trial
  • Microsoft Office 30-days trial
  • McAfee® Small Business Security 30 Day Free Trial

Camera & Audio

Dell Precision 3551Dell Latitude 7400
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
  • Realtek ALC3254 with Waves MaxxAudio Pro
  • 2 x 2W = 4W stereo speakers
  • Dual array microphones

Misc

Dell Precision 3551Dell Latitude 7400
Sensors
  • Ambient light sensor
  • The fingerprint reader in the power button (optional)
  • IR Camera (optional)
  • Ambient Light Sensor (optional)
  • IR Camera (optional)
  • Windows Hello compliant fingerprint reader in the power button
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.
  • Security lock slot
  • Windows Hello Facial Recognition (optional)
  • Windows Hello compliant fingerprint reader in the power button
  • Camera Shutter
  • Dynamic Privacy Dell SafeScreen
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 7400
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
2019
16:9 FHD
14”
1080p 60Hz
Weight
2.99 lb
1.36 kg
Up to
Intel Core i7-8665U
4C/8T, 1.90 → 4.80 GHz
Geekbench 5
1,134
Single Core
Geekbench 5
4,209
Multi-Core
With integrated
Intel® UHD Graphics 620
24 Execution Units, 300 → 1150 MHz
Upgradable up to
32GB
2400 MHz DDR4
Dell Latitude 7400 Ports

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