Detailed comparison and review of Dell Precision 3551 and Dell Precision 5550. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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 5550 based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
powerful processor options
high-resolution display
excellent build quality
good thermal management
expensive price point
limited port selection
noisy under load
average battery life
| DESIGN AND DIMENSIONS | Dell Precision 3551 | Dell Precision 5550 |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 34.44 cm x 23.03 cm x 1.165 cm |
| Weight | 1.89 kg | 2.05 kg |
| Colour | - | Grey |
| DISPLAY | Dell Precision 3551 | Dell Precision 5550 |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Pixel Density (ppi) | 141 | 145 |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle | UltraSharp, anti-glare, IGZO technology, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.1752 mm pixel pitch |
| PROCESSOR | Dell Precision 3551 | Dell Precision 5550 |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i7 (10th Gen) 10850H / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 5.1 GHz |
| Number of Cores | 6-core | 6-core |
| Cache | 12 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Mobile Intel WM490 |
| Platform Technology | - | Intel vPro Platform |
| Features | Intel Turbo Boost Max Technology 3.0 | Intel Thermal Velocity Boost, Intel vPro Platform Eligibility |
| MEMORY | Dell Precision 3551 | Dell Precision 5550 |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 2933 MHz |
| Rated Speed | 2933 MHz | 2933 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | Dell Precision 3551 | Dell Precision 5550 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Precision 3551 | Dell Precision 5550 |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro P620 | NVIDIA Quadro T2000 |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | 4 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - HD |
| Resolution | 8 Megapixel | 0.92 Megapixel |
| Camera Features | 78.6 degrees | 78.5 degrees |
| Image Sensor Type | 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 | - |
| Compliant Standards | High Definition Audio, Wave MAXXAudio Pro | High Definition Audio |
| COMMUNICATIONS | Dell Precision 3551 | Dell Precision 5550 |
|---|
| 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 | - |
| BATTERY | Dell Precision 3551 | Dell Precision 5550 |
|---|
| Technology | 4-cell | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | 86 Wh |
| AC ADAPTER | Dell Precision 3551 | Dell Precision 5550 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 130 Watt, 20 V, 6.5 A |
| INPUT | Dell Precision 3551 | Dell Precision 5550 |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Precision 3551 | Dell Precision 5550 |
|---|
| 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 |
Headphone/microphone combo jack 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3) (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (SD Card) |
| SOFTWARE | Dell Precision 3551 | Dell Precision 5550 |
|---|
| 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 5550 |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Fingerprint 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 | - | ExpressCharge |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 0 - 95% (non-condensing) | 10 - 90% (non-condensing) |
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