Side by side comparison and review of Dell Precision 3551 and Lenovo ThinkPad P50 (20EQ). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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
| DESIGN AND DIMENSIONS | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 37.74 cm x 25.23 cm |
| Weight | 1.89 kg | 2.55 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| DISPLAY | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | - |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | - |
| Image Aspect Ratio | - | 16:9 |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle | - |
| PROCESSOR | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 5 GHz | - |
| Number of Cores | 6-core | - |
| Cache | 12 MB | - |
| 64-bit Computing | Yes | - |
| Chipset | - | Mobile Intel CM236 Express |
| Features | Intel Turbo Boost Max Technology 3.0 | - |
| MEMORY | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| RAM | 8 GB (1 x 8 GB) | - |
|---|---|---|
| Max RAM Supported | 64 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 2133 MHz |
| Rated Speed | 2933 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 1 | - |
| STORAGE | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | - |
|---|
| AUDIO & VIDEO | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro P620 | - |
|---|---|---|
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Camera | Yes - HD | - |
| Resolution | 8 Megapixel | - |
| Camera Features | 78.6 degrees | - |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3204 | Realtek ALC3268 |
| Compliant Standards | High Definition Audio, Wave MAXXAudio Pro | High Definition Audio |
| COMMUNICATIONS | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 | - |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Technology | 4-cell | - |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | - |
| AC ADAPTER | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | - |
| INPUT | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Slots | - | 1 x ExpressCard/34 (1 free) |
|---|---|---|
| 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 |
3 x USB 3.0 USB 3.0 (Always On) USB-C (supports Thunderbolt 3) Mini DisplayPort HDMI LAN Dock Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | No operating system |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Dell Precision 3551 | Lenovo ThinkPad P50 (20EQ) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Trusted Platform Module (TPM 1.2) and firmware (TPM 2.0) |
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, hard drive password, power-on password, ThinkEngine, MIL-STD-810G tested |
| Compliant Standards | - | RoHS, GREENGUARD |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 0 - 95% (non-condensing) | - |
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