In depth comparison and review of Dell Precision 3540 and Lenovo ThinkPad P14s Gen 4 (21K5). 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 3540 based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
affordable professional laptop
decent battery life
comfortable keyboard
solid build quality
mediocre display quality
limited graphics performance
heavier design
average processor speed
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 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 35.91 cm x 23.625 cm x 2.2 cm | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 1.83 kg | 1.34 kg |
| Case Material | - | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) |
| Colour | Black | Villi black |
| DISPLAY | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED 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 | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle | Anti-glare, 84% screen-to-body ratio, DC dimming |
| PROCESSOR | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | AMD Ryzen 7 Pro 7840U / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | AMD PRO |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Precision 3540 | 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 | 2400 MHz | 7500 MHz |
| Rated Speed | 2400 MHz | 7500 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Dell Precision 3540 | 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 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Graphics Processor (GPU) | AMD Radeon Pro WX 2100 | AMD Radeon 780M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Camera | Yes - HD | Yes |
| Resolution | - | 5 Megapixel |
| Camera Features | Fixed focus, 78.6 degrees, RGB camera | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3254 | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | Output: MaxxAudio Pro | Input: Dolby Voice, far-field |
| COMMUNICATIONS | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| 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 9560 - M.2 2230 | Qualcomm NFA725A |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | 52.5 Wh |
| AC ADAPTER | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt, 19.5 V, 4.62 A | 65 Watt |
| INPUT | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-finger touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Interfaces | 3 x USB 3.1 Gen 1 LAN USB-C 3.1 Gen 1 (supports Thunderbolt 3, DisplayPort Alt Mode) 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 (microSD) | - |
| SOFTWARE | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) | Windows 11 Pro - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Dell Precision 3540 | Lenovo ThinkPad P14s Gen 4 (21K5) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) 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 | 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, bottom cover tamper detection |
| Compliant Standards | - | RoHS, TCG Certified, TCO Certified 9.0 |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 80% (non-condensing) | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 3 years - on-site | 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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