Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) vs. Lenovo IdeaPad S540-13IML (81XA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) 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 13s-IML (Lenovo ThinkBook 13s) Review

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

slim lightweight design

fast ssd storage

good battery life

comfortable keyboard

decent display quality

average graphics performance

no thunderbolt support

limited port selection

mediocre speaker quality

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 13s-IML (Lenovo ThinkBook 13s) and Lenovo IdeaPad S540-13IML (81XA)
81 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
84 % - Display
78 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) vs. Lenovo IdeaPad S540-13IML (81XA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Product Type Notebook Notebook
Dimensions (WxDxH) 30.76 cm x 21.64 cm x 1.59 cm 29.69 cm x 20.85 cm x 1.595 cm
Weight 1.32 kg 1.25 kg
Case Material Aluminum Aluminum, glass
Colour Mineral grey Light silver
DISPLAY Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Screen Size (Type) 13.3" - 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 300 cd/m² 300 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare, 170° viewing angle, Dolby Vision Glossy, Wide Viewing Angle
PROCESSOR Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i5 (10th Gen) 10210U / 1.6 GHz
Max Turbo Speed 4.2 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 13s-IML (Lenovo ThinkBook 13s) 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 13s-IML (Lenovo ThinkBook 13s) 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 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Graphics Processor (GPU) Intel UHD 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
Compliant Standards High Definition Audio, Dolby Audio X3 High Definition Audio, Dolby Audio
Audio Features Harman audio technology -
COMMUNICATIONS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller M.2 Card M.2 Card
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Technology Lithium Ion Lithium Ion
Battery Capacity (Size) 45 Wh 56 Wh
Battery Life Up to 11 hours Up to 18.5 hours
AC ADAPTER Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) 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 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
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
SOFTWARE Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office (30 days trial) Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo IdeaPad S540-13IML (81XA)
Included Accessories USB-C power adapter Power adapter
Security 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 0.568 W/kg (body), 0.568 W/kg (limb) 0.599 W/kg (body), 0.599 W/kg (limb)
ENERGY STAR Certified Yes -
Specific Absorption Rate (SAR) - 0.599 W/kg (body)
0.599 W/kg (limb)
Manufacturer Warranty Limited warranty - 3 years - pick-up and return Limited warranty - 1 year - pick-up and return
Model Number IML 20RR -
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