In depth comparison and review of Dell Precision 5540 and Lenovo ThinkPad P1 Gen 5 (21DD). 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 5540 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful processor performance
lightweight and portable
excellent 4k display
robust build quality
good thermal management
expensive price point
limited port selection
average battery life
noisy under load
Advantages and disadvantages of Lenovo ThinkPad P1 Gen 5 (21DD) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processors
high-resolution display
durable build quality
excellent keyboard feel
advanced security features
high price point
moderate battery life
heavier than competitors
limited color options
| DESIGN AND DIMENSIONS | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Product Type | Mobile workstation | Mobile workstation - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.7 cm x 23.5 cm x 1.12 cm | 35.95 cm x 25.38 cm x 1.77 cm |
| Weight | 1.8 kg | 1.81 kg |
| Case Material | - | Aluminium (bottom), glass-fibre reinforced plastic (top), carbon fibre reinforced plastic (top) |
| Colour | Silver | Black |
| DISPLAY | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Screen Size (Type) | 15.6" | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | 100% sRGB | 100% sRGB |
| Features | UltraSharp, anti-glare, IGZO technology, ±89° horizontal viewing angle, ±89° vertical viewing angle, 0.18 mm pixel pitch | Anti-glare, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration, DC dimming, 86.42% screen-to-body ratio |
| PROCESSOR | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| CPU | Intel Core i7 (9th Gen) 9850H / 2.6 GHz | Intel Core i7 (12th Gen) 12800H / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.8 GHz |
| Number of Cores | 6-core | 14-core |
| Cache | 12 MB | 24 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR5 SDRAM - non-ECC |
| Speed | 2666 MHz | 4800 MHz |
| Rated Speed | 2666 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe), Class 40 | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|---|---|
| RAID Level | - | RAID 0, RAID 1 |
| AUDIO & VIDEO | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro T1000 | NVIDIA RTX A1000 / Intel Iris Xe Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 4 GB GDDR5 SDRAM | 4 GB GDDR6 SDRAM |
| Video System Features | - | Dynamic Boost 2.0 |
| Camera | Yes - HD | Yes - 1080p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 66 degrees | Privacy shutter, fixed focus |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3306 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos, Dolby Voice |
| Audio Features | Output: MaxxAudio Pro | - |
| COMMUNICATIONS | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9260 | Intel Wi-Fi 6E AX 211 |
| Network Interface | Ethernet | - |
| Features | Wake-on-LAN (WOL) | - |
| BATTERY | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 90 Wh |
| AC ADAPTER | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 19.5 V, 6.67 A | 135 Watt, 20 V |
| INPUT | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | Headphone/microphone combo jack 2 x USB 3.1 Gen 1 (PowerShare) USB-C 3.1 Gen 2 (supports Thunderbolt 3) (Power Delivery) LAN (on supplied adapter) HDMI |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card) | Yes (SD Express Card) |
| SOFTWARE | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Dell Precision 5540 | Lenovo ThinkPad P1 Gen 5 (21DD) |
|---|
| Included Accessories | Power adapter, USB to Ethernet adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Noble Wedge security slot | 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, TUV Rheinland Low Blue Light Certification, TCG Certified |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
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