Detailed comparison and review of Dell Precision 3551 and Lenovo ThinkPad P15v Gen 3 (21D9). 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 P15v Gen 3 (21D9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor options
excellent keyboard feel
good thermal management
reliable security features
heavy chassis
average battery life
limited color accuracy
expensive base model
DESIGN AND DIMENSIONS | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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Product Type | Mobile workstation | Mobile workstation - 180-degree hinge design |
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Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 1.499 cm | 36.65 cm x 25 cm x 2.27 cm |
Weight | 1.89 kg | 2.226 kg |
Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | - | Black |
DISPLAY | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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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 | - | 45% NTSC |
Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle | Anti-glare, 170° viewing angle, DC dimming |
PROCESSOR | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i7 (12th Gen) 12800H / 2.4 GHz |
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Max Turbo Speed | 5 GHz | 4.8 GHz |
Number of Cores | 6-core | 14-core |
Cache | 12 MB | 24 MB |
64-bit Computing | Yes | - |
Features | Intel Turbo Boost Max Technology 3.0 | Integrated memory controller |
MEMORY | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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RAM | 8 GB (1 x 8 GB) | 16 GB (1 x 16 GB) |
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Max RAM Supported | 64 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR5 SDRAM - non-ECC |
Speed | 2933 MHz | 4800 MHz |
Rated Speed | 2933 MHz | 4800 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
Slots Qty | 2 | 2 |
Empty Slots | 1 | 1 |
STORAGE | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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RAID Level | - | RAID 0, RAID 1 |
AUDIO & VIDEO | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | NVIDIA Quadro P620 | NVIDIA T600 / Intel Iris Xe Graphics |
Max Monitors Supported | - | 2 external monitor(s) |
Video Memory | 4 GB GDDR5 SDRAM | 4 GB GDDR6 SDRAM |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - HD | Yes - 720p |
Resolution | 8 Megapixel | - |
Camera Features | 78.6 degrees | Privacy shutter, IR camera, Windows Hello, fixed focus |
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 Premium, Dolby Voice |
COMMUNICATIONS | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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Wireless | 802.11a/b/g/n/ac Wave 2/ax, Bluetooth 5.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Wi-Fi 6E AX 211 |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
WWAN |
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Generation | - | 4G |
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Technology | - | LTE |
Controller | - | FIBOCOM L860-GL - M.2 Card |
BATTERY | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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Technology | 4-cell | 6-cell lithium polymer |
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Battery Capacity (Size) | 68 Wh | 68 Wh |
AC ADAPTER | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 130 Watt, 20 V, 6.5 A | 135 Watt, 20 V |
INPUT | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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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 P15v Gen 3 (21D9) |
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Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) 1 x Nano-SIM card (1 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 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 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 P15v Gen 3 (21D9) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 11 Pro |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Dell Precision 3551 | Lenovo ThinkPad P15v Gen 3 (21D9) |
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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, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
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% |