Lenovo IdeaPad S540-15IML (81NG) vs. Lenovo IdeaPad S540-13API (81XC)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo IdeaPad S540-15IML (81NG) and Lenovo IdeaPad S540-13API (81XC). 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 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 IdeaPad S540-13API (81XC) Review

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

slim, lightweight design

sharp, vibrant display

fast processing speed

good battery life

quiet operation

limited port selection

no optical drive

average graphics performance

higher price point

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S540-15IML (81NG) and Lenovo IdeaPad S540-13API (81XC)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery
81 % - Design
85 % - Display
72 % - Performance
78 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S540-15IML (81NG) vs. Lenovo IdeaPad S540-13API (81XC) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.69 cm 29.69 cm x 20.86 cm x 1.595 cm
Weight 1.95 kg 1.25 kg
Case Material Aluminum, glass Aluminum, glass
Colour Mineral grey Light silver
DISPLAY Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
Screen Size (Type) 15.6" - IPS 13.3" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQHD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 72% 100% sRGB, 72% NTSC
Features Glossy, glass cover Glossy, 72% NTSC colour gamut
PROCESSOR Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz AMD Ryzen 7 3750H / 2.3 GHz
Max Turbo Speed 4.2 GHz 4 GHz
Number of Cores Quad-Core Quad-Core
Cache 6 MB L3 - 4 MB
64-bit Computing Yes Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
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 DDR4 SDRAM
Speed 2400 MHz 2400 MHz
Rated Speed 2400 MHz 2400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
Graphics Processor (GPU) Intel UHD Graphics AMD Radeon RX Vega 10
Camera Yes - 720p Yes - 720p
Resolution 1 Megapixel 1 Megapixel
Camera Features Privacy shutter IR camera, fixed focus, ToF sensor
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller M.2 Card M.2 Card
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
Technology Lithium Ion Lithium Ion
Battery Capacity (Size) 70 Wh 56 Wh
Battery Life Up to 15 hours Up to 14.7 hours
AC ADAPTER Lenovo IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
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 IdeaPad S540-13API (81XC)
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 IdeaPad S540-13API (81XC)
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 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 IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
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 IdeaPad S540-15IML (81NG) Lenovo IdeaPad S540-13API (81XC)
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 1.81 W/kg (body), 1.81 W/kg (limb) 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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