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Dell Precision 3551 vs. Dell Latitude 7390: Full specs comparison

The following is a comprehensive comparison of the Dell Precision 3551 and Dell Latitude 7390 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Dell Precision 3551 See at Amazon	Compare With Please enter device name or part of it Dell Latitude 7390 See at Amazon

Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Dell Latitude 7390.

2020 vs. 2018

Intel Core i9-10885H inside Dell Precision 3551 has a 74% better multi-core CPU performance score than the Intel Core i7-8650U inside Dell Latitude 7390.

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 7390 - Intel Core i7-8650U

3,879

Dell Precision 3551 - Intel Core i5-10300H

3,747

Dell Latitude 7390 - Intel Core i5-8350U

2,982

Dell Latitude 7390 - Intel Core i5-8250U

1,971

Dell Latitude 7390 - Intel Core i5-7300U

1,777

Dell Latitude 7390 - Intel Core i3-7130U

1,454

Dell Precision 3551 supports a larger memory capacity than the Dell Latitude 7390. It supports up to 64GB versus 16GB of system memory on the Dell Latitude 7390.

Max system memory size

Dell Precision 3551

64 GB

Dell Latitude 7390

16 GB

Dell Precision 3551 supports a faster memory speed than the Dell Latitude 7390. It supports up to 2933MHz versus 2400MHz of system memory on the Dell Latitude 7390.

Memory type and speed

Dell Precision 3551 - DDR4

2,933 MHz

Dell Latitude 7390 - DDR4

2,400 MHz

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

Dell Precision 3551 has a 15.6-inch screen size 17% larger than the 13.3-inch Dell Latitude 7390.

Display size

Dell Precision 3551

15.6-inch

Dell Latitude 7390

13.3-inch

Dell Latitude 7390 Pros

Reasons that Dell Latitude 7390 is better than Dell Precision 3551.

Dell Latitude 7390 weighed 2.59 pounds, 38% lighter than the 4.16 pounds Dell Precision 3551.

Weight	Dell Precision 3551	Dell Latitude 7390
Pound	4.16 lbs.	2.59 lbs.
Kilogram	1.89 kg	1.17 kg

Key Similars

Similar characteristics share between Dell Precision 3551 and Dell Latitude 7390.

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

Memory	Dell Precision 3551	Dell Latitude 7390
Slots	x2	x1
Type	DDR4	DDR4

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) By Dell $358.74	See at Amazon
	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	See at Amazon
	Precision 3551 15.6-inch Laptop - Intel Core i5 10th Gen i5-10400H - Quad Core 4.6Ghz - 512GB SSD - 32GB RAM - Nvidia Quadro P620 2GB - 1920x1080 FHD - Windows 10 Pro Carbon (Renewed) By Dell $399.99	See at Amazon
Dell Latitude 7390 Price
	Dell Latitude 7390 Ultrabook \| Intel Core i7 8th Gen Quad Core CPU \| 16 GB RAM - 1 TB SSD \| 13.3" Touchscreen FHD Display with Webcam \| Wi-Fi \| Bluetooth \| Microsoft Office \| Windows 11 (Renewed) By Dell $327.99	See at Amazon
	Dell Latitude 7390 2-in-1 Laptop, 13.3inch FHD WVA (1920 X 1080) Touchscreen, Intel Quad Core i5-8350U, 16GB RAM, 256GB SSD, Windows 10 Pro (Renewed) By Dell $275.20	See at Amazon
	Dell Latitude 7390 Touchscreen Laptop, 13.3-inch FHD Touch Display, Intel Core i7-8650U Upto 3.6GHz, 16GB RAM, 256GB SSD, DisplayPort via USB-C, HDMI, Wi-Fi, Bluetooth, Windows 10 Pro (Renewed) By Dell $279.99	See at Amazon

Availability	Dell Precision 3551	Dell Latitude 7390
Released	2020	2018
Release Date	-	Announced on January 18, 2018.
Pricing	Starting at $939	-
Generations	2022 Dell Precision 3571 2022 Dell Precision 3570 2021 Dell Precision 3561 2021 Dell Precision 3560 2020 Dell Precision 3551 2020 Dell Precision 3550	2022 Dell Latitude 7330 2021 Dell Latitude 7320 2020 Dell Latitude 7310 2-in-1 2020 Dell Latitude 7310 2019 Dell Latitude 7300 2018 Dell Latitude 7390 2017 Dell Latitude 7389 2-in-1 2017 Dell Latitude 7380

Exterior	Dell Precision 3551	Dell Latitude 7390
Dimensions	14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)	12.0” x 8.19” x 0.64 - 0.66” (304.8 mm x 207.9 mm x 16.33 - 16.53 mm)
Weight	4.16 lbs (1.89 kg)	Starting at 2.59 lb (1.17 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 Full size, optional backlit chiclet keyboard. Touchpad Size: 4.0 x 2.04 in (101.7 mm x 52 mm) Supports Microsoft Precision multi-touch gesture. Have dedicated left and right-click buttons.

Display	Dell Precision 3551	Dell Latitude 7390
Size	15.6 Inches	13.3 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	13.3” FHD 1920 x 1080 166 PPI anti-glare non-touch 13.3” FHD Touch 1920 x 1080 166 PPI anti-glare touchscreen

Ports	Dell Precision 3551	Dell Latitude 7390
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	Image Source: Dell Left (5) 1 x power port 1 x Thunderbolt 3 40 Gpbs, USB 3.2 Gen 1 (5 Gbps), DisplayPort, Optional Thunderbolt 3 1 x HDMI v1.4 1 x USB-A USB 3.1 Gen 1 (5 Gbps), PowerShare 1 x Smart Card Reader Optional Right (6) 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) 1 x RJ-45 1 Gbps 1 x lock slot

Internal Specs	Dell Precision 3551	Dell Latitude 7390
Processor	10th Gen Intel® Core™ i5-10300H 4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i5-10400H 4 cores, 8 threads, 2.60 → 4.60 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i7-10750H 6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W 10th Gen Intel® Core™ i7-10850H 6 cores, 12 threads, 2.70 → 5.10 GHz, 12MB SmartCache, 45W Intel Xeon W-10855M 6 cores, 12 threads, 2.80 → 5.10 GHz, 12MB SmartCache, 45W 10th Gen Intel® Core™ i7-10875H 8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W 10th Gen Intel® Core™ i9-10885H 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W	7th Gen Intel® Core™ i3-7130U 2 cores, 4 threads, 2.70 GHz, 3MB SmartCache, 15W 7th Gen Intel® Core™ i5-7300U 2 cores, 4 threads, 2.60 → 3.50 GHz, 3MB SmartCache, 15W 8th Gen Intel® Core™ i5-8250U 4 cores, 8 threads, 1.60 → 3.40 GHz, 6MB SmartCache, 15W 8th Gen Intel® Core™ i5-8350U 4 cores, 8 threads, 1.70 → 3.60 GHz, 6MB SmartCache, 15W 8th Gen Intel® Core™ i7-8650U 4 cores, 8 threads, 1.90 → 4.20 GHz, 8MB SmartCache, 15W
Integrated Graphics	10th Gen Intel® Core™ i5-10300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1050 MHz 10th Gen Intel® Core™ i5-10400H Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 10th Gen Intel® Core™ i7-10750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 10th Gen Intel® Core™ i7-10850H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz Intel Xeon W-10855M Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i7-10875H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i9-10885H Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz	7th Gen Intel® Core™ i3-7130U Intel® HD Graphics 620 24 Execution Units, 300 → 1000 MHz 7th Gen Intel® Core™ i5-7300U Intel® HD Graphics 620 24 Execution Units, 300 → 1100 MHz 8th Gen Intel® Core™ i5-8250U Intel® UHD Graphics 620 24 Execution Units, 300 → 1100 MHz 8th Gen Intel® Core™ i5-8350U Intel® UHD Graphics 620 24 Execution Units, 300 → 1100 MHz 8th Gen Intel® Core™ i7-8650U 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 Memory Slots: 1 x SODIMM slot Memory Type: Single-Channel DDR4 Memory Memory Speed: 2133 MHz for 7th Gen Intel processors 2400 MHz for 8th Gen Intel processors Memory Configurations 4GB 8GB 16GB
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 3551	Dell Latitude 7390
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) Qualcomm QCA6174A XR 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 8265 2x2 802.11ac Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
Bluetooth	Bluetooth 5.0 Bluetooth 5.1	Bluetooth 4.1 Bluetooth 4.2
Ethernet	Intel 1219-V/Intel 1219-LM Gigabit Ethernet controller	-
More	-	Optional Mobile Broadband Qualcomm Snapdragon X7 LTE-A (DW5811e) for AT&T, Verizon & Sprint. (US) Qualcomm Snapdragon X7 LTE-A (DW5811e)(EMEA/APJ/ROW) Qualcomm Snapdragon X7 HSPA + (DW5811e) (China/Indonesia/ India) Qualcomm Snapdragon X7 LTE-A (DW5816e) Japan/ANZ/India/South Korea/Taiwan)

Battery	Dell Precision 3551	Dell Latitude 7390
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 Prismatic, ExpressCharge Capable. 60 Wh Polymer, ExpressCharge Capable. 60 Wh Long Life Cycle Polymer.
Battery Life	Up 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

Software	Dell Precision 3551	Dell Latitude 7390
OS	Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2 Upgradable to Windows 11	Windows 10 Home Windows 10 Pro
Built-in Apps	Microsoft Office 30-days trial	Microsoft Office 30-days trial McAfee® Small Business Security 30 Day Free Trial

Camera & Audio	Dell Precision 3551	Dell Latitude 7390
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.	Optional 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 ALC3246 Controller 2 x 2W = 4W stereo speakers Dual array microphones

Misc	Dell Precision 3551	Dell Latitude 7390
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.	TPM 2.0 FIPS 140-2 Certified, TCG Certified Optional Control Vault 2.0 Advanced Authentication with FIPS 140-2 level 3 certification (HW authentication configurations) Optional hardware authentication bundle 2: FIPS 201 contacted smart card Control Vault 2.0 Optional hardware authentication bundle 4: Touch fingerprint reader FIPS 201 contacted smart card Contactless smart card NFC Control Vault 2.0 Security lock slot (Noble Wedge Lock) SED (Opal 2.0 - SATA Interface) Statement of Non-Volatility
Warranty	Basic Onsite Service 12 Months, 12 Month(s)	3 Years Hardware Warranty with Onsite In-Home Service after Remote Diagnosis

Key Features	Dell Precision 3551	Dell Latitude 7390
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 Nvidia Quadro P620 4GB GDDR5	Released in Early 2018 16:9 FHD 13.3” 1080p 60Hz Weight 2.59 lb 1.17 kg Up to Intel Core i7-8650U 4C/8T, 1.90 → 4.20 GHz Geekbench 5 1,106 Single Core Geekbench 5 3,879 Multi-Core With integrated Intel® UHD Graphics 620 24 Execution Units, 300 → 1150 MHz Upgradable up to 16GB 2400 MHz DDR4