Dell Precision 3551 vs. Dell Precision 7540: Which is better?
Here is a side by side comparison between Dell Precision 3551 and Dell Precision 7540 specs including CPU, RAM, storage, battery, display, and more.
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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 3551 | Dell Precision 7540 |
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Pound | 4.16 lbs. | 5.57 lbs. |
Kilogram | 1.89 kg | 2.53 kg |
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.
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.
Key Similars
Similar characteristics share between Dell Precision 3551 and Dell Precision 7540.
Both laptops has a similar multi-core CPU performance score.
Both laptops come with available RAM slots that allow you to replace or upgrade when needed.
Memory | Dell Precision 3551 | Dell Precision 7540 |
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Slots | x2 | x4 |
Type | DDR4 | DDR4 ECC |
Prices
Here are the latest price updates and offers for both devices.
Availability | Dell Precision 3551 | Dell Precision 7540 |
Released | 2020 | 2019 |
Release Date | - |
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Pricing | Starting at $939 | Starting at $1,149 |
Generations |
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Exterior | Dell Precision 3551 | Dell Precision 7540 |
Dimensions | 14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm) |
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Weight | 4.16 lbs (1.89 kg) | Starting at 5.57 lbs (2.53 kg) |
Colors | - |
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Keyboard and Trackpad |
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Display | Dell Precision 3551 | Dell Precision 7540 |
Size | 15.6 Inches | 15.6 Inches |
Info |
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Ports | Dell Precision 3551 | Dell Precision 7540 |
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Internal Specs | Dell Precision 3551 | Dell Precision 7540 |
Processor |
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Integrated Graphics |
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Memory |
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Discrete Graphics | NVIDIA Quadro P620 (Optional) Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores. |
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Storage |
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Connectivity | Dell Precision 3551 | Dell Precision 7540 |
Wi-Fi |
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Bluetooth |
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Ethernet | Intel 1219-V/Intel 1219-LM Gigabit Ethernet controller |
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Battery | Dell Precision 3551 | Dell Precision 7540 |
Size |
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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. |
Software | Dell Precision 3551 | Dell Precision 7540 |
OS | Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2 Upgradable to Windows 11 | Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 7.5 Upgradable to Windows 11 |
Built-in Apps | Microsoft Office 30-days trial |
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Camera & Audio | Dell Precision 3551 | Dell Precision 7540 |
Camera |
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Audio |
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Misc | Dell Precision 3551 | Dell Precision 7540 |
Sensors |
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Security | Hardware Security
Software Security
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Warranty | Basic Onsite Service 12 Months, 12 Month(s) | 3 Years Hardware Service with Onsite Service After Remote Diagnosis |
Key Features | Dell Precision 3551 | Dell Precision 7540 |
At Glance |
Comparison Summary
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 15.6-inch Precision 7540 was introduced by Dell about a year earlier in 2019. It comes with up to an octa-core Intel Xeon E-2286M with a boost clock speed up to 5.00 GHz. It has a dedicated GPU option up to Nvidia Quadro RTX 5000 with 6GB GDDR6.
Geekbench 5 Single Core
Geekbench 5 Multi Core
Both Dell Precision 3551 and Dell Precision 7540 have the same 15.6-inch display size. In addition, The Dell Precision 3551 weighs 4.16 lbs. about 33% lighter than the 5.57 lbs. Dell Precision 7540. Moreover, measured at 14.14” x 9.3” x 0.98”, the Dell Precision 3551 is much more portable than the Dell Precision 7540 at 14.87” x 9.89” x 1.18”.
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 Precision 7540, it supports up to 128GB 3200 MHz DDR4 ECC memory that you can upgrade with four memory module slots on the motherboard. It also has three M.2 slots that users can easily swap or add an extra SSD to get extra space when needed. Besides that, it also comes with a SATA slot where you can install an additional 2.5-inch SATA-based SSD, SSHD, or a hard disk drive.
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