In depth comparison and review of Dell Precision 3581 and Lenovo ThinkPad P71 (20HL). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Dell Precision 3581 based on its technical characteristics, features, user experience, expert reviews and price level.
robust processing power
expandable memory options
reliable build quality
good thermal management
decent port selection
heavyweight design
mediocre battery life
standard display quality
higher price point
DESIGN AND DIMENSIONS | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Product Type | Mobile workstation | Mobile workstation |
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Dimensions (WxDxH) | 35.78 cm x 23.33 cm x 2.47 cm | 41.6 cm x 27.55 cm x 3.42 cm |
Weight | 1.795 kg | 3.3 kg |
Case Material | - | Glass-fibre, magnesium-aluminum alloy, polyphenylene sulfide |
Colour | Grey | Black |
DISPLAY | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Screen Size (Type) | 15.6" - IPS | 17.3" - 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 | 400 cd/m² | 300 cd/m² |
Colour Gamut | 100% sRGB | 72% |
Colour Support | 16.7 million colours | - |
Features | Anti-glare, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch, True 8-bit | Anti-glare |
PROCESSOR | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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CPU | Intel Core i7 (13th Gen) 13700H / 2.4 GHz | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz |
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Max Turbo Speed | 5 GHz | 3.8 GHz |
Number of Cores | 14-core | Quad-Core |
Cache | L3 - 24 MB | 6 MB |
64-bit Computing | - | Yes |
Chipset | - | Mobile Intel CM238 |
Features | Intel Smart Cache | Integrated memory controller |
MEMORY | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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RAM | 16 GB (1 x 16 GB) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 64 GB | 64 GB |
RAM Type | DDR5 SDRAM | DDR4 SDRAM - non-ECC |
Speed | 4800 MHz | 2400 MHz |
Rated Speed | 4800 MHz | 2400 MHz |
Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 4 |
Empty Slots | 1 | 3 |
STORAGE | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung |
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AUDIO & VIDEO | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | NVIDIA RTX A1000 | NVIDIA Quadro M2200 / Intel HD Graphics 630 |
Video Memory | 6 GB GDDR6 SDRAM | 4 GB |
Camera | Yes - 1920 x 1080 (standard), 640 x 360 (infrared) | Yes - 720p |
Resolution | 2.07 Megapixel (standard), 0.23 Megapixel (infrared) | - |
Camera Features | Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) | - |
Image Sensor Type | CMOS | - |
Video Resolutions | 1920 x 1080, 640 x 360 | - |
Frame Rate | 30 frames per second | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3268 |
Compliant Standards | High Definition Audio | High Definition Audio |
Audio Features | Output: MaxxAudio 12.0, Realtek Waves | - |
COMMUNICATIONS | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Wireless | Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | Intel Wi-Fi 6E AX 211 - M.2 2230 | Intel Dual Band Wireless-AC 8265 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Intel I219-LM | - |
Features | Dual stream (2x2), WWAN aerial | - |
BATTERY | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Technology | 4-cell Lithium Ion | 8-cell Lithium Ion |
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Battery Capacity (Size) | 64 Wh | 96 Wh |
Battery Life | - | Up to 14.25 hours |
AC ADAPTER | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 130 Watt, 5 / 20 V | 230 Watt, 20 V |
INPUT | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | Yes | - |
Features | 100-key | Spill-resistant, multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Slots | - | 1 x ExpressCard/34 (1 free) |
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Interfaces | HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
3 x USB 3.1 Gen 1/USB 3.0 USB 3.1 Gen 1/USB 3.0 (Always On) 2 x 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 3581 | Lenovo ThinkPad P71 (20HL) |
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Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Windows 10 Pro 64-bit Edition |
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Software Included | Intel Rapid Storage Technology, Microsoft Office (30 days trial, excludes office licence) | - |
MISCELLANEOUS | Dell Precision 3581 | Lenovo ThinkPad P71 (20HL) |
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Dockable | - | Yes |
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Included Accessories | USB-C power adapter | Power adapter |
Integrated Options | Accelerometer, ambient light sensor | X-Rite Pantone colour calibration sensor |
Security | Discrete 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 | Single pointing, Dell ControlVault 3, ExpressChargeBoost | Administrator password, hard drive password, power-on password, MIL-STD-810G tested |
Compliant Standards | FIPS 140-2, TCG Certified | RoHS |
ENERGY STAR Certified | - | Yes |
Carbon Footprint | 343 kg carbon emissions | - |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |