Detailed comparison and review of Dell Precision 3551 and Lenovo ThinkPad P15s Gen 2 (20W7). 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 Lenovo ThinkPad P15s Gen 2 (20W7) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
lightweight and portable
good thermal management
mediocre display brightness
limited graphics performance
higher price point
no HDMI port
| DESIGN AND DIMENSIONS | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 36.58 cm x 24.8 cm x 1.91 cm |
| Weight | 1.89 kg | 1.75 kg |
| Case Material | - | Polycarbonate ABS, glass-fibre, magnesium alloy, polyamide, Talc15 |
| Colour | - | Black |
| DISPLAY | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle | Anti-glare, 170° viewing angle |
| PROCESSOR | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i7 (11th Gen) 1185G7 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 4.8 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 12 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Max Technology 3.0 | Integrated memory controller |
| MEMORY | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 64 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 3200 MHz |
| Rated Speed | 2933 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe 3.0 - TCG Opal Encryption - Samsung |
|---|
| AUDIO & VIDEO | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro P620 | NVIDIA Quadro T500 / Intel Iris Xe Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 4 GB GDDR5 SDRAM | 4 GB GDDR6 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 8 Megapixel | - |
| Camera Features | 78.6 degrees | Privacy shutter, IR camera |
| 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 ALC3287 |
| Compliant Standards | High Definition Audio, Wave MAXXAudio Pro | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Technology | 4-cell | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | 57 Wh |
| AC ADAPTER | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 65 Watt |
| INPUT | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| 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 |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports USB-C 3.2 Gen 2, Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN Dock |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Dell Precision 3551 | Lenovo ThinkPad P15s Gen 2 (20W7) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | - | RoHS |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 0 - 95% (non-condensing) | - |
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