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Dell Precision 7540 vs. Dell Precision 3551: Full specs comparison

We have comprehensively analyzed the technical specifications for the Dell Precision 7540 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 Precision 7540 See at Amazon	Compare With Please enter device name or part of it Dell Precision 3551 See at Amazon

Dell Precision 7540 Pros

Reasons that Dell Precision 7540 is better than Dell Precision 3551.

Dell Precision 7540 supports a larger memory capacity than the Dell Precision 3551. It supports up to 128GB versus 64GB of system memory on the Dell Precision 3551.

Max system memory size

Dell Precision 7540

128 GB

Dell Precision 3551

64 GB

Dell Precision 7540 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 Precision 7540 - DDR4 ECC

3,200 MHz

Dell Precision 3551 - DDR4

2,933 MHz

Dell Precision 3551 Pros

Reasons that Dell Precision 3551 is better than Dell Precision 7540.

2020 vs. 2019

Dell Precision 3551 weighed 4.16 pounds, 26% lighter than the 5.57 pounds Dell Precision 7540.

Weight	Dell Precision 7540	Dell Precision 3551
Pound	5.57 lbs.	4.16 lbs.
Kilogram	2.53 kg	1.89 kg

Key Similars

Similar characteristics share between Dell Precision 7540 and Dell Precision 3551.

Both laptops has a similar multi-core CPU performance score.

Geekbench 5 multi-core score

Dell Precision 7540 - Intel Xeon E-2286M

6,910

Dell Precision 3551 - Intel Core i7-10875H

6,874

Dell Precision 3551 - Intel Core i9-10885H

6,788

Dell Precision 7540 - Intel Core i9-9980HK

6,504

Dell Precision 7540 - Intel Core i9-9880H

6,100

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 7540 - Intel Xeon E-2276M

5,165

Dell Precision 7540 - Intel Core i7-9850H

4,914

Dell Precision 7540 - Intel Core i7-9750H

4,880

Dell Precision 3551 - Intel Core i5-10400H

4,252

Dell Precision 3551 - Intel Core i5-10300H

3,747

Dell Precision 7540 - Intel Core i5-9400H

3,690

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

Memory	Dell Precision 7540	Dell Precision 3551
Slots	x4	x2
Type	DDR4 ECC	DDR4

Prices

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

Dell Precision 7540 Price
	Dell Precision 7540 Workstation Laptop PC, 15.6“FHD(1920x1080), NVIDIA Quadro T2000 4GB GDDR5, Intel Core i7-9850H up to 4.60GHz, 16GB RAM, 512GB SSD, Windows 10 Pro (Renewed) By Dell $508.00	See at Amazon
	Dell Precision 7540 Laptop, 15.6 FHD (1920x1080) Non-Touch, Intel Core 9th Gen i7-9750H, 32GB RAM, 512GB SSD, NVIDIA Quadro T1000, Windows 10 Pro (Renewed) By Dell $399.99 $579.90 31% OFF	See at Amazon
	Dell Precision 7540 Laptop 15.6 - Intel Core i5 9th Gen - i5-9400H - 4.3Ghz - 512GB SSD - 16GB RAM - Nvidia Quadro T2000 - 1920x1080 FHD - Windows 10 Pro (Renewed) By Dell $339.26 $399.00 15% 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" 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 Precision 7540	Dell Precision 3551
Released	2019	2020
Release Date	Announced at Computex 2019. Available from early July 2019.	-
Pricing	Starting at $1,149	Starting at $939
Generations	2021 Dell Precision 7560 2020 Dell Precision 7550 2019 Dell Precision 7540	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 Precision 7540	Dell Precision 3551
Dimensions	Non-touch models 14.87 x 9.89 x 0.98 - 1.18 in (377.60 x 251.30 x 25.0 - 29.97 mm) Touch models 14.87 x 9.89 x 1.02 - 1.21 in (377.60 x 251.30 x 25.9 - 30.85 mm) Aluminum Cover models 14.87 x 9.89 x 0.94 - 1.19 in (377.60 x 251.30 x 24.0 - 30.4 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 5.57 lbs (2.53 kg)	4.16 lbs (1.89 kg)
Colors	Carbon Fiber LCD Cover Aluminum Titan Gray LCD Cover	-
Keyboard and Trackpad	Full-size with optional backlit keyboard. 3.92 x 2.09 in (99.50 mm x 53 mm) touchpad with multi-touch gesture support.	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 Precision 7540	Dell Precision 3551
Size	15.6 Inches	15.6 Inches
Info	15.6" FHD 1920x1080 Anti-Glare non-touch, 45% Adobe color gamut. 15.6" UltraSharp™ FHD 1920x1080 AG, NT, w/Prem Panel Guar 100% sRGB Carbon Fiber, IPS. 15.6"UltraSharp™ UHD 3840x2160 AG,NT,w/Prem Panel Guar 100% AdobeRGB, Aluminium, IGZO.	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 Precision 7540	Dell Precision 3551
Image Source: Dell 2 x USB Type-C with Thunderbolt™ 3 Supports Power Delivery and DisplayPort (4 lanes of PCI Express Gen 3). 2 x USB 3.1 Gen 1 ports 1 port support PowerShare. 1 x HDMI 2.0b Port 1 x Mini DisplayPort 1.4 1 x headset jack 1 x RJ45 Gigabit Ethernet port 1 x SD-card reader 1 x Smart Card reader (optional) 1 x Wedge-shaped lock 1 x Power adapter port	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 Precision 7540	Dell Precision 3551
Processor	9th Gen Intel® Core™ i5-9400H 4 cores, 8 threads, 2.50 → 4.30 GHz, 8MB SmartCache, 45W 9th Gen Intel® Core™ i7-9750H 6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W 9th Gen Intel® Core™ i7-9850H 6 cores, 12 threads, 2.60 → 4.60 GHz, 12MB SmartCache, 45W 9th Gen Intel® Core™ i9-9880H 8 cores, 16 threads, 2.30 → 4.80 GHz, 16MB SmartCache, 45W 9th Gen Intel® Core™ i9-9980HK 8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W Intel Xeon E-2276M 6 cores, 12 threads, 2.80 → 4.70 GHz, 12MB SmartCache, 45W Intel Xeon E-2286M 8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W	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	9th Gen Intel® Core™ i5-9400H Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 9th Gen Intel® Core™ i7-9750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 9th Gen Intel® Core™ i7-9850H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 9th Gen Intel® Core™ i9-9880H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 9th Gen Intel® Core™ i9-9980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz Intel Xeon E-2276M Intel® UHD Graphics P630 24 Execution Units, 350 → 1200 MHz Intel Xeon E-2286M Intel® UHD Graphics P630 24 Execution Units, 350 → 1250 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 Slots 4 x DDR4 SODIMM Memory Configurations Minimum Memory: 8GB Maximum Memory: 128B Memory Type: DDR4 ECC or Non-ECC memory Memory Speed: 2666 MHz or 3200 MHz	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	AMD Radeon Pro WX 3200 (Optional) GCN 4.0 Architecture, 4GB GDDR5 128-bit, 1295 MHz, 640 Shading Units. NVIDIA Quadro T1000 (Optional) Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1455 MHz, 768 Shading Units. NVIDIA Quadro T2000 (Optional) Turning Architecture, 4GB GDDR5 128-bit, 1575 → 1785 MHz, 1,024 Shading Units. NVIDIA Quadro RTX 3000 Mobile (Optional) Turning Architecture, 6GB GDDR6 256-bit, 945→ 1380 MHz, 2,304 Shading Units. NVIDIA Quadro RTX 4000 Mobile (Optional) Turning Architecture, 8GB GDDR6 256-bit, 1110→ 1560 MHz, 2,560 Shading Units. NVIDIA Quadro RTX 5000 Mobile (Optional) Turning Architecture, 16GB GDDR6 256-bit, 1035→ 1545 MHz, 3,072 Shading Units.	NVIDIA Quadro P620 (Optional) Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.
Storage	Hard Drive Slots 3 x M.2 2280 PCIe SSD slot 1 x 2.5 inches hard drive slot Available only on a 4-cell 64Wh battery model. Hard Drive Configurations Up to 6TB M.2 NVMe PCIe SSD Up to 2TB SATA Hard Drive	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 Precision 7540	Dell Precision 3551
Wi-Fi	Intel® Wi-Fi 6 AX200 2x2 .11ax 160MHz Intel® Dual Band Wireless AC 9560 (802.11ac) 2x2 Qualcomm QCA61x4A 802.11ac Dual Band, 2x2, Wireless Adapter	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 4.2 Bluetooth 5.0	Bluetooth 5.0 Bluetooth 5.1
Ethernet	Integrated Intel i219LM 10/100/1000 Mb/s Ethernet (RJ-45 ) with Intel Remote Wake UP and PXE	Intel 1219-V/Intel 1219-LM Gigabit Ethernet controller

Battery	Dell Precision 7540	Dell Precision 3551
Size	64 Wh (4-cell lithium-ion) 97 Wh (6-cell lithium-ion)	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	180 W power adapter Power rated at 19.5 VDC/9.23 A.	90 W power adapter 130 W USB-C power adapter

Software	Dell Precision 7540	Dell Precision 3551
OS	Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 7.5 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 Precision 7540	Dell Precision 3551
Camera	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps. Optional Windows Hello Infrared 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.
Audio	Realtek ALC3281 MaxxAudio® Pro by Waves Two speakers (2W x 2) Noise-reducing array microphones	Dual integrated high-quality speakers 2W Stereo Speakers Dual integrated noise-canceling digital array microphones MaxxAudio® Pro by Waves

Misc	Dell Precision 7540	Dell Precision 3551
Sensors	Windows Hello compliant fingerprint reader on the keyboard deck	Ambient light sensor The fingerprint reader in the power button (optional) IR Camera (optional)
Security	Intel® vPro™ Technology (iAMT 12) (optional, requires Intel WiFi® Link WLAN and a vPro compatible processor), Dell Client Command Suite available (dell.com/command), Factory Installed Dell Client Command \| Update, Dell Command \| Power Manager, Intel® Platform Trust Technology, Trusted Platform Module (TPM) 2.0 Chassis wedge-shaped security lock Support for Computrace and SmartCard Reader Fingerprint reader or FIPS Fingerprint reader Touch Fingerprint Reader with Control Vault 3.0 (Advanced Authentication with FIPS 140-2 Level 3 Certification) Contacted Smart Card (FIPS 201 with Control Vault 3.0 Advanced Authentication with FIPS 140-2 level 3 Certitication) Contactless Smart Card NFC/CSC (Check regional availability)	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 Service with Onsite Service After Remote Diagnosis	Basic Onsite Service 12 Months, 12 Month(s)

Key Features	Dell Precision 7540	Dell Precision 3551
At Glance	Released in 2019 16:9 4K UHD 15.6” 2160p 60Hz Weight 5.57 lb 2.53 kg Up to Intel Xeon E-2286M 8C/16T, 2.40 → 5.00 GHz Geekbench 5 1,192 Single Core Geekbench 5 6,910 Multi-Core With integrated Intel® UHD Graphics P630 24 Execution Units, 350 → 1250 MHz Upgradable up to 128GB 3200 MHz DDR4 ECC Nvidia Quadro RTX 5000 6GB GDDR6	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