In depth comparison and review of Dell Precision 7520 and Lenovo ThinkPad P53 (20QN). 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 P53 (20QN) 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
ample connectivity options
heavier than competitors
expensive base model
average battery life
loud under load
| DESIGN AND DIMENSIONS | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26.1 cm x 3.3 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 2.8 kg | 2.5 kg |
| Case Material | - | Glass-fibre reinforced plastic, magnesium-aluminum alloy |
| Colour | Black | Black |
| DISPLAY | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| 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% |
| Features | Anti-glare | Anti-glare, 160° viewing angle |
| PROCESSOR | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| CPU | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz | Intel Core i5 (9th Gen) 9400H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 4.3 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM238 | Mobile Intel CM246 |
| Platform Technology | - | Intel vPro Platform |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 128 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 2400 MHz | 2666 MHz |
| Rated Speed | 2400 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 4 |
| Empty Slots | 2 | 3 |
| STORAGE | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Pro WX 4130 | NVIDIA Quadro T1000 / Intel UHD Graphics 630 |
| Video Memory | 2 GB GDDR5 SDRAM | 4 GB GDDR5 SDRAM |
| 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 | - | Conexant CX11880 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| 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 200 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-LM |
| BATTERY | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 90 Wh |
| Battery Life | - | Up to 13 hours |
| AC ADAPTER | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 180 Watt, 19.5 V, 9.23 A | 170 Watt |
| INPUT | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Type | Keyboard, touchpad, pointing stick | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Interfaces | Mini DisplayPort LAN 4 x USB 3.1 Gen 1 (PowerShare) Headphone/microphone combo jack HDMI Dock USB-C (supports Thunderbolt) |
USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell Precision 7520 | Lenovo ThinkPad P53 (20QN) |
|---|
| 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, smart card 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, Intel Active Management Technology (iAMT), RapidCharge, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| 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 | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
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