In depth comparison and review of Dell Precision 7520 and Lenovo ThinkPad P1 Gen 3 (20TJ). 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 Lenovo ThinkPad P1 Gen 3 (20TJ) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processors
ultralight carbon chassis
high-resolution display
robust security features
versatile connectivity options
expensive price point
average battery life
noisy under load
limited color accuracy
| DESIGN AND DIMENSIONS | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26.1 cm x 3.3 cm | 36.18 cm x 24.57 cm x 1.84 cm |
| Weight | 2.8 kg | 1.7 kg |
| Case Material | - | Aluminum, polycarbonate, polycarbonate ABS, carbon fibre, polyphenylene sulfide |
| Colour | Black | Black |
| DISPLAY | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | - | 72% NTSC |
| Features | Anti-glare | Anti-glare, Wide Viewing Angle, 170° viewing angle, 72% NTSC colour gamut |
| PROCESSOR | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| CPU | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz | Intel Core i7 (10th Gen) 10850H / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM238 | Mobile Intel WM490 |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 2400 MHz | 2933 MHz |
| Rated Speed | 2400 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 2 |
| Empty Slots | 2 | 1 |
| STORAGE | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Samsung |
|---|---|---|
| RAID Level | - | RAID 0, RAID 1 |
| AUDIO & VIDEO | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Pro WX 4130 | NVIDIA Quadro T2000 / Intel UHD Graphics |
| Video Memory | 2 GB GDDR5 SDRAM | 4 GB GDDR6 SDRAM |
| Video System Features | - | Max-Q design |
| Camera | Yes - 1280 x 720 | Yes - 720p |
| Camera Features | - | ThinkShutter camera privacy |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Sound | Two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3286 |
| Compliant Standards | High Definition Audio | Dolby Atmos |
| COMMUNICATIONS | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 80 Wh |
| Battery Life | - | Up to 15.9 hours |
| AC ADAPTER | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 180 Watt, 19.5 V, 9.23 A | 135 Watt, 20 V |
| INPUT | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Interfaces | Mini DisplayPort LAN 4 x USB 3.1 Gen 1 (PowerShare) Headphone/microphone combo jack HDMI Dock USB-C (supports Thunderbolt) |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (SD Card) |
| SOFTWARE | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell Precision 7520 | Lenovo ThinkPad P1 Gen 3 (20TJ) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM) Security Chip, smart card reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | 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, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| SAR Value | - | 2.512 W/kg (body), 0.967 W/kg (limb) |
| Specific Absorption Rate (SAR) | - | 2.512 W/kg (body) 0.967 W/kg (limb) |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 10 °C | - |
| Humidity Range Operating | 20 - 80% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 3 years - response time: next business day | - |
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