Detailed comparison and review of Dell Precision 3551 and Lenovo ThinkPad P15 Gen 2 (20YQ). 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 P15 Gen 2 (20YQ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
excellent keyboard feel
high-resolution display
advanced security features
heavier than competitors
expensive price point
moderate battery life
limited color accuracy
DESIGN AND DIMENSIONS | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Product Type | Mobile workstation | Mobile workstation |
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Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 37.54 cm x 25.23 cm x 3.145 cm |
Weight | 1.89 kg | 2.87 kg |
Case Material | - | Glass-fibre reinforced plastic, polyphenylene sulfide, polyamide |
Colour | - | Black |
DISPLAY | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Screen Size (Type) | 15.6" | 15.6" - IPS |
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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 | - | 100% sRGB |
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 P15 Gen 2 (20YQ) |
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CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i5 (11th Gen) 11500H / 2.9 GHz |
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Max Turbo Speed | 5 GHz | 4.6 GHz |
Number of Cores | 6-core | 6-core |
Cache | 12 MB | 12 MB |
64-bit Computing | Yes | - |
Chipset | - | Intel WM590 |
Platform Technology | - | Intel vPro Platform |
Features | Intel Turbo Boost Max Technology 3.0 | Integrated memory controller |
MEMORY | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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RAM | 8 GB (1 x 8 GB) | 16 GB (2 x 8 GB) |
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Max RAM Supported | 64 GB | 128 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
Speed | 2933 MHz | 3200 MHz |
Rated Speed | 2933 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 4 |
Empty Slots | 1 | 2 |
STORAGE | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe 4.0 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | NVIDIA Quadro P620 | NVIDIA T1200 / Intel UHD Graphics |
Max Monitors Supported | - | 4 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 |
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 ALC3306 |
Compliant Standards | High Definition Audio, Wave MAXXAudio Pro | High Definition Audio, Dolby Atmos |
COMMUNICATIONS | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Wireless | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Wi-Fi 6E AX 210 |
Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
Ethernet Controller | - | Intel I225-LM |
Compliant Standards | - | DASH |
Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Technology | 4-cell | Lithium polymer |
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Battery Capacity (Size) | 68 Wh | 94 Wh |
Battery Life | - | Up to 11.5 hours |
AC ADAPTER | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Input | AC 120/230 V (50/60 Hz) | AC 120-240 V (50/60 Hz) |
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Output | 130 Watt, 20 V, 6.5 A | 170 Watt |
INPUT | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Type | Keyboard, touchpad, pointing stick | Keyboard, TrackPoint, UltraNav |
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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 P15 Gen 2 (20YQ) |
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Slots | - | 3 x M.2 Card (2 free) |
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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 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN |
Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (SD Card) |
SOFTWARE | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition - English |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Dell Precision 3551 | Lenovo ThinkPad P15 Gen 2 (20YQ) |
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Included Accessories | Power adapter | Power adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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, Intel Active Management Technology (iAMT), MIL-STD-810H tested, self-healing BIOS |
Compliant Standards | - | RoHS, TCG Certified |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 0 °C | 5 °C |
Humidity Range Operating | 0 - 95% (non-condensing) | 8 - 95% |
Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |