In depth comparison and review of Dell Precision 3551 and Dell Precision 3550. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Dell Precision 3551 based on its technical characteristics, features, user experience, expert reviews and price level.
robust processing power
expandable memory options
reliable build quality
adequate port selection
decent battery life
heavier design
basic display quality
noisy under load
premium price tag
Advantages and disadvantages of Dell Precision 3550 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
advanced security features
reliable performance
heavy chassis
mediocre display brightness
limited graphics power
higher price point
| DESIGN AND DIMENSIONS | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 35.91 cm x 23.625 cm x 1.499 cm |
| Weight | 1.89 kg | 1.86 kg |
| Colour | - | Black |
| DISPLAY | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | 141 |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 0.179 mm pixel pitch |
| PROCESSOR | Dell Precision 3551 | Dell Precision 3550 |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i7 (10th Gen) 10510U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 4.9 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 12 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Max Technology 3.0 | Intel Turbo Boost Technology 2.0, Intel Smart Cache, Intel Thermal Velocity Boost |
| MEMORY | Dell Precision 3551 | Dell Precision 3550 |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 2933 MHz | 2666 MHz |
| Rated Speed | 2933 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro P620 | NVIDIA Quadro P520 |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | 2 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes |
| Resolution | 8 Megapixel | 8 Megapixel |
| Camera Features | 78.6 degrees | 78.6 degrees, RGB camera |
| Image Sensor Type | CMOS | CMOS |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3204 | Realtek ALC3204 |
| Compliant Standards | High Definition Audio, Wave MAXXAudio Pro | High Definition Audio |
| COMMUNICATIONS | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Technology | 4-cell | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | 68 Wh |
| Battery Life | - | Up to 17 hours |
| AC ADAPTER | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 90 Watt, 19.5 V, 4.62 A |
| INPUT | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad, pointing stick |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| CONNECTIONS & EXPANSIONS | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Interfaces | HDMI USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) USB 3.1 (PowerShare) 2 x USB 3.1 Gen 1 LAN Headphone/microphone combo jack |
HDMI USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.2 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) 2 x USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (Trial) |
| MISCELLANEOUS | Dell Precision 3551 | Dell Precision 3550 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader |
| Security Slot Type | Noble Wedge security slot | Noble Wedge security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | Free Fall Sensor, ExpressCharge, lid sensor |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 0 - 95% (non-condensing) | 10 - 80% (non-condensing) |
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