In depth comparison and review of Dell Precision 7520 and Lenovo ThinkPad P14s Gen 3 (21J5). 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 P14s Gen 3 (21J5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive CPU performance
good battery life
portable design
mediocre display quality
limited graphics power
higher price point
noisy under load
| DESIGN AND DIMENSIONS | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Product Type | Mobile workstation | Mobile workstation - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26.1 cm x 3.3 cm | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 2.8 kg | 1.4 kg |
| Case Material | - | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) |
| Colour | Black | Black |
| DISPLAY | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, 84% screen-to-body ratio, DC dimming |
| PROCESSOR | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| CPU | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz | AMD Ryzen 7 Pro 6850U / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 3.8 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 6 MB | 16 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel CM238 | - |
| Platform Technology | - | AMD PRO |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| RAM | 16 GB (2 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 64 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | 6400 MHz |
| Rated Speed | 2400 MHz | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 4 | - |
| Empty Slots | 2 | - |
| STORAGE | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Graphics Processor (GPU) | AMD Radeon Pro WX 4130 | AMD Radeon 680M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Camera | Yes - 1280 x 720 | Yes - 1080p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello, fixed focus |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Sound | Two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: Dolby Voice, far-field |
| COMMUNICATIONS | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 | Qualcomm NFA725A |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 52.5 Wh |
| AC ADAPTER | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 180 Watt, 19.5 V, 9.23 A | 65 Watt |
| INPUT | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| 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 P14s Gen 3 (21J5) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| 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 DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI (4K support) LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card) | - |
| SOFTWARE | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 11 Pro - English |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell Precision 7520 | Lenovo ThinkPad P14s Gen 3 (21J5) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM) Security Chip, smart card reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader |
| Security Slot Type | - | Kensington nano 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, TCO Certified 9.0 |
| Carbon Footprint | - | 222 kg carbon emissions |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 10 °C | 5 °C |
| Humidity Range Operating | 20 - 80% (non-condensing) | 8 - 95% |
| 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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