Lenovo IdeaPad S540-15IML (81NG) vs. Lenovo Yoga S740-14IIL (81RS)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad S540-15IML (81NG) and Lenovo Yoga S740-14IIL (81RS). 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 IdeaPad S540-15IML (81NG) Review

Advantages and disadvantages of Lenovo IdeaPad S540-15IML (81NG) based on its technical characteristics, features, user experience, expert reviews and price level.

sleek aluminum design

sharp full HD display

fast processing speeds

ample storage capacity

good battery life

heavier than competitors

no optical drive

limited port selection

average graphics performance

Lenovo Yoga S740-14IIL (81RS) Review

Advantages and disadvantages of Lenovo Yoga S740-14IIL (81RS) based on its technical characteristics, features, user experience, expert reviews and price level.

impressive 4k display

sleek aluminum design

fast intel core performance

good battery life

thunderbolt 3 support

limited port variety

no dedicated gpu

higher price range

average speaker quality

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S540-15IML (81NG) and Lenovo Yoga S740-14IIL (81RS)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery
81 % - Design
84 % - Display
85 % - Performance
86 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S540-15IML (81NG) vs. Lenovo Yoga S740-14IIL (81RS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.69 cm 32.235 cm x 21.2 cm x 1.815 cm
Weight 1.95 kg 1.4 kg
Case Material Aluminum, glass Aluminum
Colour Mineral grey Iron grey
DISPLAY Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Screen Size (Type) 15.6" - IPS 14"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 400 cd/m²
Colour Gamut 72% 72% NTSC
Features Glossy, glass cover Glossy, Wide Viewing Angle, glass cover, Dolby Vision, 72% NTSC colour gamut
PROCESSOR Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz
Max Turbo Speed 4.2 GHz 3.7 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 IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 8 GB (provided memory is soldered)
Max RAM Supported 12 GB -
RAM Type DDR4 SDRAM LPDDR4X SDRAM
Speed 2400 MHz 3733 MHz
Rated Speed 2400 MHz 3733 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Plus Graphics
Camera Yes - 720p Yes - 720p
Resolution 1 Megapixel -
Camera Features Privacy shutter IR camera, ToF sensor
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
COMMUNICATIONS Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 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 IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Technology Lithium Ion Lithium Ion
Battery Capacity (Size) 70 Wh 62 Wh
Battery Life Up to 15 hours Up to 19 hours
AC ADAPTER Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
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 (Trial)
MISCELLANEOUS Lenovo IdeaPad S540-15IML (81NG) Lenovo Yoga S740-14IIL (81RS)
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, power-on password, RapidCharge
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS
SAR Value 1.81 W/kg (body), 1.81 W/kg (limb) 0.439 W/kg (body), 0.439 W/kg (limb)
Specific Absorption Rate (SAR) - 0.439 W/kg (body)
0.439 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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