Dell Precision 3551 vs. Dell Latitude 5420: Which is better?

Here is a side by side comparison between Dell Precision 3551 and Dell Latitude 5420 specs including CPU, RAM, storage, battery, display, and more.

Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Dell Latitude 5420.

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 5420.

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 5420 - Intel Core i7-1185G7
4,864
Dell Latitude 5420 - Intel Core i7-1165G7
4,487
Dell Latitude 5420 - Intel Core i5-1145G7
4,450
Dell Precision 3551 - Intel Core i5-10400H
4,252
Dell Latitude 5420 - Intel Core i5-1135G7
3,980
Dell Precision 3551 - Intel Core i5-10300H
3,747
Dell Latitude 5420 - Intel Core i3-1125G4
3,690
Dell Latitude 5420 - Intel Core i7-10610U
3,042
Dell Latitude 5420 - Intel Core i5-10310U
2,992
Dell Latitude 5420 - Intel Core i5-10210U
2,933
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 5420.

Display size
Dell Precision 3551
15.6-inch
Dell Latitude 5420
14-inch

Dell Latitude 5420 Pros

Reasons that Dell Latitude 5420 is better than Dell Precision 3551.

Newer manufacturing

2021 vs. 2020

Supports faster memory

Dell Latitude 5420 supports a faster memory speed than the Dell Precision 3551. It supports up to 3200MHz versus 2933MHz of system memory on the Dell Precision 3551.

Memory type and speed
Dell Latitude 5420 - DDR4
3,200 MHz
Dell Precision 3551 - DDR4
2,933 MHz
About 26% lighter

Dell Latitude 5420 weighed 3.09 pounds, 26% lighter than the 4.16 pounds Dell Precision 3551.

WeightDell Precision 3551Dell Latitude 5420
Pound
4.16 lbs.
3.09 lbs.
Kilogram
1.89 kg
1.40 kg

Key Similars

Similar characteristics share between Dell Precision 3551 and Dell Latitude 5420.

Supports the same maximum memory size of up to 64GB

Both laptops supports up to 64GB of system memory.

Max system memory size
Dell Precision 3551
64 GB
Dell Latitude 5420
64 GB
Upgradable memory

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

MemoryDell Precision 3551Dell Latitude 5420
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
$366.74
$444.00 17% OFF
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
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
$699.97
Dell Latitude 5420 Price
Dell Latitude 5420 14" Notebook, Intel Core i5-1145G7, 16GB RAM, 512GB SSD, Intel Iris Xe Graphics, Windows 10 Pro (Renewed)
Dell Latitude 5420 14" Notebook, Intel Core i5-1145G7, 16GB RAM, 512GB SSD, Intel Iris Xe Graphics, Windows 10 Pro (Renewed)
By Dell
$373.99
Dell Latitude 5420 Laptop PC FHD 1920 x 1080 Non-Touch, Intel Core i7-1185G7 Processor, 16GB Ram, 512 NVMe SSD, HDMI, Thunderbolt, Windows 10 Pro (Renewed)
Dell Latitude 5420 Laptop PC FHD 1920 x 1080 Non-Touch, Intel Core i7-1185G7 Processor, 16GB Ram, 512 NVMe SSD, HDMI, Thunderbolt, Windows 10 Pro (Renewed)
By Dell
$459.99
Dell Latitude 5420 Laptop - 14" HD (1366x768) AG Display - 2.6 GHz Intel Core i5 1145G7 4-Core (11th Gen) - 16GB - 256GB SSD - Windows 10 Pro
Dell Latitude 5420 Laptop - 14" HD (1366x768) AG Display - 2.6 GHz Intel Core i5 1145G7 4-Core (11th Gen) - 16GB - 256GB SSD - Windows 10 Pro
By Dell
$489.77

Availability

Dell Precision 3551Dell Latitude 5420
Released20202021
Release Date-
  • Announced on January 05, 2021 (CES 2021)
  • Available on January 12, 2021
PricingStarting at $939-
Generations

Exterior

Dell Precision 3551Dell Latitude 5420
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 8.35” x 0.76” (321.4 mm x 212 mm x 19.3 mm)
Weight4.16 lbs (1.89 kg)3.09 lb (1.4 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.
  • Keyboard
    • Single Pointing Backlit US-English Keyboard
  • Touchpad
    • Size: 4.53” x 2.64” (115 mm x 67 mm)
    • Supports Microsoft Precision multi-touch gesture.

Display

Dell Precision 3551Dell Latitude 5420
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
    1366 x 768 TN 220 nits 45% NTSC 300:1 Anti-Glare Non-Touch WVA 2.4W
  • 14” FHD
    1920 x 1080 IPS 250 nits 45% NTSC 600:1 Anti-Glare Non-Touch WVA 3.2W
  • 14” FHD with Low Blue Light (LBL) Support
    1920 x 1080 IPS 400 nits 100% sRGB 1000:1 Anti-Glare Non-Touch WVA LBL 2.5W
  • 14” FHD with Touch Support
    1920 x 1080 IPS 300 nits 75% NTSC 600:1 Anti-Glare Touch WVA 4.51W
  • 14” FHD with Touch Support
    1920 x 1080 IPS 300 nits 100% sRGB 600:1 Anti-Glare Touch WVA 3.5W

Ports

Dell Precision 3551Dell Latitude 5420
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 5420 Ports
Image Source: Dell
Left (3)
  • 2 x Thunderbolt 4
    40 Gpbs, USB 4.0 (40 Gbps), DisplayPort, Power Delivery
  • 1 x Smart Card Reader
    Optional
Right (7)
  • 1 x USB-A
    USB 3.2 Gen 1 (5 Gbps)
  • 1 x USB-A
    USB 3.2 Gen 1 (5 Gbps), PowerShare
  • 1 x HDMI
    v2.0
  • 1 x RJ-45
    1 Gbps, Flip-Down Port
  • 1 x microSD card slot
    v4.0
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x lock slot
Back (1)
  • 1 x microSIM card slot
    Optional

Internal Specs

Dell Precision 3551Dell Latitude 5420
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™ i7-10610U with vPro™
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
  4. 11th Gen Intel® Core™ i3-1125G4
    4 cores, 8 threads, 2.00 → 3.70 GHz, 8MB SmartCache, 28W
  5. 11th Gen Intel® Core™ i5-1135G7
    4 cores, 8 threads, 2.40 → 4.20 GHz, 8MB SmartCache, 28W
  6. 11th Gen Intel® Core™ i5-1145G7
    4 cores, 8 threads, 2.60 → 4.40 GHz, 8MB SmartCache, 28W
  7. 11th Gen Intel® Core™ i7-1165G7
    4 cores, 8 threads, 2.80 → 4.70 GHz, 12MB SmartCache, 28W
  8. 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. 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™ i7-10610U with vPro™
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  4. 11th Gen Intel® Core™ i3-1125G4
    Intel® UHD Graphics
    48 Execution Units, 400 → 1250 MHz
  5. 11th Gen Intel® Core™ i5-1135G7
    Intel® Iris® Xe Graphics
    80 Execution Units, 400 → 1300 MHz
  6. 11th Gen Intel® Core™ i5-1145G7
    Intel® Iris® Xe Graphics
    80 Execution Units, 400 → 1300 MHz
  7. 11th Gen Intel® Core™ i7-1165G7
    Intel® Iris® Xe Graphics
    96 Execution Units, 400 → 1300 MHz
  8. 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
    • 2 x SO-DIMM slots
    • Type: Single or Dual-Channel DDR4
    • Speed: 3200 MHz
  • Memory Configurations
    • 4GB 8GB 16GB
      Single Channel
    • 8GB 16GB 32GB 64GB
      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 5420
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 5 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) Bluetooh 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
  • Intel® Wi-Fi 6E AX210 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 5.2
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 5.1
  • Bluetooth 5.0
  • Bluetooth 5.1
  • Bluetooth 5.2
EthernetIntel 1219-V/Intel 1219-LM Gigabit Ethernet controller-
More-WWAN: Intel XMM 7360 Global LTE-Advanced (DW5820e) CAT9
  • Transfer rate up to 450 Mbps DL/50 Mbps UL (Cat 9)
  • Wireless standards (1,2,3,4,5,7,8,11,12,13,17,18,19,20,21,26,28,29,30,38,39,40,41,66), HSPA+ (1, 2, 4,5, 8)

Battery

Dell Precision 3551Dell Latitude 5420
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 battery with 1-years life span)
  • 63 Wh (4-cell lithium-ion, ExpressCharge capable battery with 1-years life span)
  • 42 Wh (3-cell lithium-ion, Long Life Battery with 3-years life span)
  • 63 Wh (4-cell lithium-ion, Long Life Battery with 3-years life span)
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 5420
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2
Upgradable to Windows 11
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 5420
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 ALC3204 with Waves MaxxAudio Pro
  • 2 x 2W = 4W stereo speakers
  • Dual-array microphones

Misc

Dell Precision 3551Dell Latitude 5420
Sensors
  • Ambient light sensor
  • The fingerprint reader in the power button (optional)
  • IR Camera (optional)
  • Ambient Light Sensor on the hinge-up (optional)
  • 1 x Accelerometer (G sensor) on the system board.
  • 1 x Accelerometer (G sensor) on the hinge-up  (optional).
  • Fingerprint Sensor
  • 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-Based Security
  • Trusted Platform Module (TPM) 2.0 discrete
  • FIPS 140-2 certification for TPM
  • TCG (Trusted Computing Group) Certification for TPM
  • The fingerprint reader in power button tied to ControlVault 3
  • ControlVault 3 Advanced Authentication with FIPS 140-2 Level 3 Certification
  • Contacted Smart Card and ControlVault 3
  • Contactless Smart Card, NFC, and ControlVault 3
  • SED SSD NVMe, SSD, and HDD (Opal and non-Opal) per SDL
  • FIPS 201 Full Scan FPR and ControlVault 3
Data Security
  • McAfee Small Business Security 30-day trial
  • McAfee Small Business Security 12-months subscription, digitally delivered
  • McAfee Small Business Security 24-months subscription, digitally delivered
  • McAfee Small Business Security 36-months subscription, digitally delivered
WarrantyBasic Onsite Service 12 Months, 12 Month(s)1 Year Hardware Warranty with Onsite/In-Home Service after Remote Diagnosis

Key Features

Dell Precision 3551Dell Latitude 5420
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 FHD
14”
1080p 60Hz
Weight
3.09 lb
1.40 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
Upgradable up to
64GB
3200 MHz DDR4
Dell Latitude 5420 Ports
Optional
4G LTE
Up to
Wi-Fi 6E
Dual
Thunderbolt™️ 4
Ports
Optional
IR Camera
For Face Unlock
Built-in
Fingerprint Reader
Power Button

Comparison Summary

Dell Precision 3551 vs. Dell Latitude 5420

Dell has released the Precision 3551, a 15.6-inch machine, in 2020. It is powered by up to an octa-core Intel Core i9-10885H with a boost clock speed up to 5.30 GHz. The laptop has a dedicated GPU option up to Nvidia Quadro P620 with 4GB GDDR5.

On the other hand, we have the 14-inch Latitude 5420 was introduced by Dell about a year later in early-2021. It comes with up to a quad-core Intel Core i7-1185G7 with a boost clock speed up to 4.80 GHz. It has an integrated graphics option up to Intel® Iris® Xe Graphics (96 Execution Units, 400 → 1350 MHz).

Geekbench 5 Single Core

Dell Precision 35511
10th Gen Intel® Core™ i5-10300H1,06175.57%
2
10th Gen Intel® Core™ i5-10400H1,22387.11%
3
10th Gen Intel® Core™ i7-10750H1,13480.77%
4
10th Gen Intel® Core™ i7-10850H1,15282.05%
5
Intel Xeon W-10855M1,14281.34%
6
10th Gen Intel® Core™ i7-10875H1,19284.90%
7
10th Gen Intel® Core™ i9-10885H1,19685.19%
Dell Latitude 54201
10th Gen Intel® Core™ i5-10210U94467.24%
2
10th Gen Intel® Core™ i5-10310U with vPro™94667.38%
3
10th Gen Intel® Core™ i7-10610U with vPro™96868.95%
4
11th Gen Intel® Core™ i3-1125G41,12379.99%
5
11th Gen Intel® Core™ i5-1135G71,19585.11%
6
11th Gen Intel® Core™ i5-1145G71,31393.52%
7
11th Gen Intel® Core™ i7-1165G71,37497.86%
8
11th Gen Intel® Core™ i7-1185G71,404100.00%
01,404

Geekbench 5 Multi Core

Dell Precision 35511
10th Gen Intel® Core™ i5-10300H3,74754.51%
2
10th Gen Intel® Core™ i5-10400H4,25261.86%
3
10th Gen Intel® Core™ i7-10750H5,41278.73%
4
10th Gen Intel® Core™ i7-10850H5,34177.70%
5
Intel Xeon W-10855M5,37278.15%
6
10th Gen Intel® Core™ i7-10875H6,874100.00%
7
10th Gen Intel® Core™ i9-10885H6,78898.75%
Dell Latitude 54201
10th Gen Intel® Core™ i5-10210U2,93342.67%
2
10th Gen Intel® Core™ i5-10310U with vPro™2,99243.53%
3
10th Gen Intel® Core™ i7-10610U with vPro™3,04244.25%
4
11th Gen Intel® Core™ i3-1125G43,69053.68%
5
11th Gen Intel® Core™ i5-1135G73,98057.90%
6
11th Gen Intel® Core™ i5-1145G74,45064.74%
7
11th Gen Intel® Core™ i7-1165G74,48765.27%
8
11th Gen Intel® Core™ i7-1185G74,86470.76%
06,874

The Dell Precision 3551 has a 15.6-inch display which is slightly larger than the 14-inch Dell Latitude 5420. In addition, the Dell Precision 3551 weighs 4.16 lbs. about 34% heavier than the 3.09 lbs. Dell Latitude 5420. Moreover, measured at 14.14” x 9.3” x 0.98”, the Dell Precision 3551 is much bulkier than the Dell Latitude 5420 at 12.65” x 8.35” x 0.76”.

Dell Precision 3551Dell Latitude 5420

Moving over to upgradability, Dell claims that the Dell Precision 3551 supports up to 64GB 2933 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also comes with a single removable M.2 SSD slot that users can replace and upgrade in the future. On top of that, it also has a single SATA slot that users can use to install a 2.5-inch SATA SSD, SSHD, or a hard disk drive to add even more storage.

For Dell Latitude 5420, it supports up to 64GB 3200 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also has a single removable M.2 SSD slot that users can replace or upgrade when needed.

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