Lenovo ThinkBook 14-IIL (20SL) vs. Dell Latitude 5540

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkBook 14-IIL (20SL) and Dell Latitude 5540. 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.

Lenovo ThinkBook 14-IIL (20SL) Review

Advantages and disadvantages of Lenovo ThinkBook 14-IIL (20SL) based on its technical characteristics, features, user experience, expert reviews and price level.

solid build quality

responsive keyboard

affordable price

adequate performance

decent battery life

average display quality

limited graphics power

no thunderbolt support

modest storage capacity

Dell Latitude 5540 Review

Advantages and disadvantages of Dell Latitude 5540 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

excellent battery life

bright display

good connectivity options

heavier than competitors

basic audio quality

limited graphics performance

pricey base model

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14-IIL (20SL) and Dell Latitude 5540
86 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14-IIL (20SL) vs. Dell Latitude 5540 Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Product Type Notebook Notebook
Dimensions (WxDxH) 32.6 cm x 23 cm x 1.79 cm 35.78 cm x 23.33 cm x 2.28 cm
Weight 1.5 kg 1.613 kg
Case Material Aluminum -
Colour Mineral grey Grey
DISPLAY Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Screen Size (Type) 14" - IPS 15.6" - 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 -
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Anti-glare, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch
PROCESSOR Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
CPU Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.7 GHz 4.6 GHz
Number of Cores Quad-Core 10-core
Cache 6 MB L3 - 12 MB
64-bit Computing Yes -
Features Integrated memory controller -
MEMORY Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
RAM 8 GB (1 x 8 GB) 8 GB (1 x 8 GB)
Max RAM Supported 16 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed 2666 MHz 3200 MHz
Rated Speed 2666 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 2
Empty Slots 0 1
STORAGE Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 256 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35
AUDIO & VIDEO Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Graphics Processor (GPU) Intel Iris Plus Graphics Intel Iris Xe Graphics
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 1920 x 1080 (standard), 640 x 360 (infrared)
Resolution - 2.07 Megapixel (standard), 0.23 Megapixel (infrared)
Camera Features ThinkShutter camera privacy Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera)
Image Sensor Type - CMOS
Video Resolutions - 1920 x 1080
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 High Definition Audio
Audio Features - Output: MaxxAudio 12.0, Realtek Waves
COMMUNICATIONS Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card Intel Wi-Fi 6E AX 211 - M.2 2230
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Dual stream (2x2)
BATTERY Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Technology Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 45 Wh 54 Wh
Battery Life Up to 9 hours -
AC ADAPTER Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Input AC 120/230 V (50/60 Hz) AC 100-200 V (50/60 Hz)
Output 65 Watt 65 Watt, 5 / 9 / 15 / 20 V
INPUT Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad -
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Interfaces USB 2.0 (hidden)
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
USB-C 3.1 Gen 1
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
LAN
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD, microSDHC, microSDXC)
SOFTWARE Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Operating System (OS) Windows 10 Pro 64-bit Edition - Spanish Windows 11 Pro - Dutch / English / French / German / Italian
Software Included Microsoft Office (30 days trial) Microsoft Office (30 days trial, excludes office licence)
MISCELLANEOUS Lenovo ThinkBook 14-IIL (20SL) Dell Latitude 5540
Included Accessories Power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type - Noble Wedge security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password, RapidCharge ExpressCharge, Dell ControlVault 3, ExpressChargeBoost
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 FIPS 140-2, TCG Certified, TCO Certified 9.0
Max Operating Temperature - 35 °C
Min Operating Temperature - 0 °C
Humidity Range Operating - 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
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