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

We have comprehensively analyzed the technical specifications for the Dell Latitude 7520 and Dell Precision 3551 models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Dell Latitude 7520 See at Amazon	Compare With Please enter device name or part of it Dell Precision 3551 See at Amazon

Dell Latitude 7520 Pros

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

2021 vs. 2020

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

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

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

Dell Precision 3551 Pros

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

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

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

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.

Memory	Dell Latitude 7520	Dell Precision 3551
Slots	Onboard	x2
Type	LPDDR4X	DDR4

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

Prices

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

Dell Latitude 7520 Price
	Dell Latitude 7520 I7/3.0 16GB 512GB W10P, 15-15.99 inches (JD0DH) By Dell $935.77	See at Amazon
	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 $856.99	See at Amazon
	Dell Precision M7520 7520 Mobile Workstation, 15.6 inches FHD (1920x1080) Intel Core i7-6820HQ, 32GB DDR4 Ram, 512GB Solid State Drive, Windows 10 Pro (Renewed) By Dell $316.95 $338.56 6% OFF	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-inch Laptop - Intel Core i7 10th Gen i7-10750H - Six Core 5Ghz - 2TB + 512GB SSD - 64GB RAM - Nvidia Quadro P620 2GB - 1920x1080 FHD - Windows 10 Pro Silver (Renewed) By Dell $1,626.99	See at Amazon

Availability	Dell Latitude 7520	Dell Precision 3551
Released	2021	2020
Release Date	Announced on January 05, 2021 (CES 2021) Available on January 12, 2021	-
Pricing	Starting at $1,548.99	Starting at $939
Generations	2022 Dell Latitude 7530 2021 Dell Latitude 7520	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 7520	Dell Precision 3551
Dimensions	14.08” x 9.05” x 0.69” (357.7 mm x 229.75 mm x 17.5 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	3.37 lb (1.53 kg)	4.16 lbs (1.89 kg)
Colors	Carbon Fiber Aluminum	-
Keyboard and Trackpad	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.	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 7520	Dell Precision 3551
Size	15.6 Inches	15.6 Inches
Info	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	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 7520	Dell Precision 3551
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	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 7520	Dell Precision 3551
Processor	11th Gen Intel® Core™ i5-1135G7 4 cores, 8 threads, 2.40 → 4.20 GHz, 8MB SmartCache, 28W 11th Gen Intel® Core™ i5-1145G7 4 cores, 8 threads, 2.60 → 4.40 GHz, 8MB SmartCache, 28W 11th Gen Intel® Core™ i7-1165G7 4 cores, 8 threads, 2.80 → 4.70 GHz, 12MB SmartCache, 28W 11th Gen Intel® Core™ i7-1185G7 4 cores, 8 threads, 3.00 → 4.80 GHz, 12MB SmartCache, 28W	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	11th Gen Intel® Core™ i5-1135G7 Intel® Iris® Xe Graphics 80 Execution Units, 400 → 1300 MHz 11th Gen Intel® Core™ i5-1145G7 Intel® Iris® Xe Graphics 80 Execution Units, 400 → 1300 MHz 11th Gen Intel® Core™ i7-1165G7 Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1300 MHz 11th Gen Intel® Core™ i7-1185G7 Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1350 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 Onboard Memory Type: Dual-Channel LPDDR4x Speed: 4267 MHz Memory Configurations 8GB 16GB 32GB Dual Channel	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 2230/2280 slot Hard Drive Configurations Up to 2TB 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 7520	Dell Precision 3551
Wi-Fi	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 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 5.1	Bluetooth 5.0 Bluetooth 5.1
Ethernet	-	Intel 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 Latitude 7520	Dell Precision 3551
Size	42Wh \| 3-cell 63Wh \| 4-cell ExpressCharge capable battery 42Wh \| 3-cell 63Wh \| 4-cell Long Life Cycle battery	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 90W USB Type-C adapter.	90 W power adapter 130 W USB-C power adapter

Software	Dell Latitude 7520	Dell Precision 3551
OS	Windows 10 Home Windows 10 Pro Ubuntu 20.04 Upgradable to Windows 11	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 7520	Dell Precision 3551
Camera	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.	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 ALC3281-CG, High Definition Audio with Realtek ALC1309 Smart Amp 2 x 2W = 4W stereo speakers Dual digital microphones	Dual integrated high-quality speakers 2W Stereo Speakers Dual integrated noise-canceling digital array microphones MaxxAudio® Pro by Waves

Misc	Dell Latitude 7520	Dell Precision 3551
Sensors	Ambient Light Sensor Fingerprint Sensor IR Camera (optional) Proximity Sensor (optional)	Ambient light sensor The fingerprint reader in the power button (optional) 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.
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 7520	Dell Precision 3551
At Glance	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	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