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

We have comprehensively compared the specifications for the Dell Latitude 7390 and Dell Precision 3551 models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

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

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

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

Key Similars

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

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

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

Prices

Here are the latest price updates and offers for both devices.

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 $325.00	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 $189.99 $269.00 29% OFF	See at Amazon
	2018 Dell Latitude 7390 13.3 inch FHD Laptop PC (Intel Quad Core i7-8650U, 16GB Ram, 512GB SSD, Camera, WiFi, Thunderbolt 3) Win 10 Pro (Renewed) By Dell $244.37	See at Amazon
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
	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	See at Amazon

Availability	Dell Latitude 7390	Dell Precision 3551
Released	2018	2020
Release Date	Announced on January 18, 2018.	-
Pricing	-	Starting at $939
Generations	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	2022 Dell Precision 3571 2022 Dell Precision 3570 2021 Dell Precision 3561 2021 Dell Precision 3560 2020 Dell Precision 3551 2020 Dell Precision 3550

Exterior	Dell Latitude 7390	Dell Precision 3551
Dimensions	12.0” x 8.19” x 0.64 - 0.66” (304.8 mm x 207.9 mm x 16.33 - 16.53 mm)	14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)
Weight	Starting at 2.59 lb (1.17 kg)	4.16 lbs (1.89 kg)
Keyboard and Trackpad	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.	Full-size backlit keyboard. 4.00” x 2.45” (101.7 mm x 55.2 mm) touchpad with 5 multi-touch gesture support.

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

Ports	Dell Latitude 7390	Dell Precision 3551
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	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

Internal Specs	Dell Latitude 7390	Dell Precision 3551
Processor	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	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
Integrated Graphics	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	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
Memory	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	Memory Slots 2 x DDR4 SODIMM slots Memory Configurations Speed: 2933MHz Memory Type: ECC or Non-ECC Minimum Memory: 8GB Maximum Memory: 64GB
Discrete Graphics	-	NVIDIA Quadro P620 (Optional) Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.
Storage	Hard Drive Slot 1 x M.2 2280 slot Hard Drive Configurations Up to 1TB PCIe SSD	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

Connectivity	Dell Latitude 7390	Dell Precision 3551
Wi-Fi	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)	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
Bluetooth	Bluetooth 4.1 Bluetooth 4.2	Bluetooth 5.0 Bluetooth 5.1
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 Latitude 7390	Dell Precision 3551
Size	42 Wh Prismatic, ExpressCharge Capable. 60 Wh Polymer, ExpressCharge Capable. 60 Wh Long Life Cycle Polymer.	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
Battery Life	-	Up to 20 hours of battery life With optional 6-cell 97 Wh battery.
Power Supply	65W 7.4 mm Barrel Adapter 90W 7.4 mm Barrel Adapter	90 W power adapter 130 W USB-C power adapter

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

Camera & Audio	Dell Latitude 7390	Dell Precision 3551
Camera	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.	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	Realtek ALC3246 Controller 2 x 2W = 4W stereo speakers Dual array microphones	Dual integrated high-quality speakers 2W Stereo Speakers Dual integrated noise-canceling digital array microphones MaxxAudio® Pro by Waves

Misc	Dell Latitude 7390	Dell Precision 3551
Sensors	Ambient Light Sensor (optional) IR Camera (optional) Windows Hello compliant fingerprint reader in the power button	Ambient light sensor The fingerprint reader in the power button (optional) IR Camera (optional)
Security	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	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.
Warranty	3 Years Hardware Warranty with Onsite In-Home Service after Remote Diagnosis	Basic Onsite Service 12 Months, 12 Month(s)

Key Features	Dell Latitude 7390	Dell Precision 3551
At Glance	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	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

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