Dell Precision 5540 vs. Lenovo ThinkPad P43s (20RJ)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Dell Precision 5540 and Lenovo ThinkPad P43s (20RJ). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Dell Precision 5540 Review

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

Lenovo ThinkPad P43s (20RJ) Review

Advantages and disadvantages of Lenovo ThinkPad P43s (20RJ) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

impressive security features

portable design

mediocre display brightness

limited graphics performance

no thunderbolt support

higher price point

Laptop Comparison and Tests

Difference between Dell Precision 5540 and Lenovo ThinkPad P43s (20RJ)
83 % - Design
82 % - Display
85 % - Performance
84 % - Connectivity
75 % - Battery
81 % - Design
75 % - Display
72 % - Performance
85 % - Connectivity
78 % - Battery

Laptop Specifications Comparison

Dell Precision 5540 vs. Lenovo ThinkPad P43s (20RJ) Comparison Chart
DESIGN AND DIMENSIONS Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Product Type Mobile workstation Mobile workstation
Dimensions (WxDxH) 35.7 cm x 23.5 cm x 1.12 cm 32.9 cm x 22.7 cm x 1.79 cm
Weight 1.8 kg 1.55 kg
Case Material - Glass-fibre, polyphenylene sulfide, polyamide
Colour Silver Black
DISPLAY Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Screen Size (Type) 15.6" 14" - IPS
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 141 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 250 cd/m²
Colour Gamut 100% sRGB 45%
Features UltraSharp, anti-glare, IGZO technology, ±89° horizontal viewing angle, ±89° vertical viewing angle, 0.18 mm pixel pitch Anti-glare, 170° viewing angle
PROCESSOR Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
CPU Intel Core i7 (9th Gen) 9850H / 2.6 GHz Intel Core i7 (8th Gen) 8565U / 1.8 GHz
Max Turbo Speed 4.6 GHz 4.6 GHz
Number of Cores 6-core Quad-Core
Cache 12 MB 8 MB
64-bit Computing Yes Yes
Platform Technology Intel vPro Platform -
Features Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
RAM 8 GB (1 x 8 GB) 8 GB (provided memory is soldered)
Max RAM Supported 64 GB 40 GB
RAM Type DDR4 SDRAM - non-ECC DDR4 SDRAM
Speed 2666 MHz 2400 MHz
Rated Speed 2666 MHz 2666 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 1 1
STORAGE Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe - NVM Express (NVMe), Class 40 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Samsung
AUDIO & VIDEO Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA Quadro T1000 NVIDIA Quadro P520 / Intel UHD Graphics 620
Video Memory 4 GB GDDR5 SDRAM 2 GB GDDR5 SDRAM
Camera Yes - HD Yes - 720p
Resolution 0.92 Megapixel -
Camera Features 66 degrees ThinkShutter camera privacy
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio Premium
Audio Features Output: MaxxAudio Pro -
COMMUNICATIONS Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Wireless 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller Intel Wireless-AC 9260 Intel Wireless-AC 9560
Network Interface Ethernet Gigabit Ethernet
Features Wake-on-LAN (WOL) -
BATTERY Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Technology 3-cell Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 56 Wh 50 Wh
Battery Life - Up to 14.7 hours
AC ADAPTER Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 130 Watt, 19.5 V, 6.67 A 65 Watt
INPUT Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Multi-touch touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
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 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
HDMI
LAN
Dock
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) Yes (microSD)
SOFTWARE Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Operating System (OS) Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) Windows 10 Home 64-bit Edition
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Dell Precision 5540 Lenovo ThinkPad P43s (20RJ)
Dockable - Yes
Included Accessories Power adapter, USB to Ethernet adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Noble Wedge security slot 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, RapidCharge, MIL-STD-810G tested
Compliant Standards - RoHS
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Silver
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