Detailed comparison and review of Dell Precision 5520 and Lenovo ThinkPad P14s Gen 4 (21K5). 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 Lenovo ThinkPad P14s Gen 4 (21K5) 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
reliable security features
mediocre display quality
limited graphics power
heavier than competitors
higher price point
| DESIGN AND DIMENSIONS | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.7 cm | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 2 kg | 1.34 kg |
| Case Material | - | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) |
| Colour | Silver | Villi black |
| DISPLAY | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | 400 cd/m² | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | UltraSharp, anti-glare, Wide Viewing Angle | Anti-glare, 84% screen-to-body ratio, DC dimming |
| PROCESSOR | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| CPU | Intel Core i7 (6th Gen) 6820HQ / 2.7 GHz | AMD Ryzen 7 Pro 7840U / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel CM236 Express | - |
| Platform Technology | Intel vPro Platform | AMD PRO |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5X SDRAM - non-ECC |
| Speed | 2133 MHz | 7500 MHz |
| Rated Speed | - | 7500 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| 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), Performance |
|---|
| AUDIO & VIDEO | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 | AMD Radeon 780M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Camera | Yes | Yes |
| Resolution | 0.92 Megapixel | 5 Megapixel |
| Camera Features | - | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, microphone | 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 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| 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 |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Features | Miracast | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 52.5 Wh |
| AC ADAPTER | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 19.5 V, 6.67 A | 65 Watt |
| INPUT | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Interfaces | USB-C (supports Thunderbolt 3) LAN (on supplied cable) 2 x USB 3.0 (PowerShare) Headphone/microphone combo jack HDMI |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4/DisplayPort 1.4 (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | - |
| SOFTWARE | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 10 Pro 64-bit Licence - Multilingual User Interface (MUI) | Windows 11 Pro - English |
|---|---|---|
| Software Included | Microsoft Office (Trial), McAfee (30 days trial) | - |
| MISCELLANEOUS | Dell Precision 5520 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM) Security Chip | 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) |
| Features | - | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, bottom cover tamper detection |
| Compliant Standards | - | RoHS, TCG Certified, TCO Certified 9.0 |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - response time: next business day | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 1 year - on-site - response time: next business day |
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