Lenovo ThinkBook 14-IIL (20SL) vs. Lenovo IdeaPad S540-13IML (81XA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkBook 14-IIL (20SL) and Lenovo IdeaPad S540-13IML (81XA). 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.

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

Lenovo IdeaPad S540-13IML (81XA) Review

Advantages and disadvantages of Lenovo IdeaPad S540-13IML (81XA) based on its technical characteristics, features, user experience, expert reviews and price level.

sleek aluminum design

sharp QHD display

impressive battery life

fast charging support

lightweight and portable

limited port selection

no dedicated GPU

average speaker quality

higher price segment

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14-IIL (20SL) and Lenovo IdeaPad S540-13IML (81XA)
86 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery
82 % - Design
84 % - Display
78 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14-IIL (20SL) vs. Lenovo IdeaPad S540-13IML (81XA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.6 cm x 23 cm x 1.79 cm 29.69 cm x 20.85 cm x 1.595 cm
Weight 1.5 kg 1.25 kg
Case Material Aluminum Aluminum, glass
Colour Mineral grey Light silver
DISPLAY Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Screen Size (Type) 14" - IPS 13.3"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare Glossy, Wide Viewing Angle
PROCESSOR Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
CPU Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz Intel Core i5 (10th Gen) 10210U / 1.6 GHz
Max Turbo Speed 3.7 GHz 4.2 GHz
Number of Cores Quad-Core Quad-Core
Cache 6 MB 6 MB
64-bit Computing Yes Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
RAM 8 GB (1 x 8 GB) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2666 MHz
Rated Speed 2666 MHz 2666 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Graphics Processor (GPU) Intel Iris Plus Graphics Intel UHD Graphics
Camera Yes - 720p Yes - 720p
Resolution - 1 Megapixel
Camera Features ThinkShutter camera privacy IR camera, ToF sensor
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet -
Features - Dual stream (2x2)
BATTERY Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Technology Lithium Ion Lithium Ion
Battery Capacity (Size) 45 Wh 56 Wh
Battery Life Up to 9 hours Up to 18.5 hours
AC ADAPTER Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
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
USB 3.1 Gen 1 (Always On)
2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Operating System (OS) Windows 10 Pro 64-bit Edition - Spanish Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office (30 days trial) Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S540-13IML (81XA)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Features Administrator password, hard drive password, power-on password, RapidCharge Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 0.599 W/kg (body), 0.599 W/kg (limb)
Specific Absorption Rate (SAR) - 0.599 W/kg (body)
0.599 W/kg (limb)
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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