Lenovo V155-15API (81V5) vs. Lenovo IdeaPad S540-15IML (81NG)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo V155-15API (81V5) and Lenovo IdeaPad S540-15IML (81NG). 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 V155-15API (81V5) Review

Advantages and disadvantages of Lenovo V155-15API (81V5) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

decent processor performance

ample storage capacity

full hd display

numerical keypad included

average battery life

heavier design

no backlit keyboard

limited port selection

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

Laptop Comparison and Tests

Difference between Lenovo V155-15API (81V5) and Lenovo IdeaPad S540-15IML (81NG)
69 % - Design
64 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo V155-15API (81V5) vs. Lenovo IdeaPad S540-15IML (81NG) Comparison Chart
DESIGN AND DIMENSIONS Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.3 cm x 25.4 cm x 2.29 cm 35.8 cm x 24.5 cm x 1.69 cm
Weight 2.2 kg 1.95 kg
Case Material Polycarbonate ABS Aluminum, glass
Colour Iron grey Mineral grey
DISPLAY Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Screen Size (Type) 15.6" - TN 15.6" - IPS
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 220 cd/m² 300 cd/m²
Colour Gamut - 72%
Features Anti-glare Glossy, glass cover
PROCESSOR Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
CPU AMD Ryzen 5 3500U / 2.1 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 L3 - 4 MB 6 MB
64-bit Computing Yes Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported 16 GB 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 SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
Optical Drive DVD-Writer - tray -
AUDIO & VIDEO Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Graphics Processor (GPU) AMD Radeon Vega 8 Intel UHD Graphics
Camera Yes - 720p Yes - 720p
Resolution - 1 Megapixel
Camera Features Privacy shutter Privacy shutter
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet -
Features - Dual stream (2x2)
BATTERY Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Technology Lithium Ion Lithium Ion
Battery Capacity (Size) 36 Wh 70 Wh
Battery Life Up to 5 hours Up to 15 hours
AC ADAPTER Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight - Yes
Features Multi-touch touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Interfaces 2 x USB 3.1 Gen 1
LAN
HDMI
Headphone/microphone combo jack
USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Operating System (OS) Windows 10 Pro 64-bit Edition - Dutch / English / French / German / Italian Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo V155-15API (81V5) Lenovo IdeaPad S540-15IML (81NG)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, hard drive password, power-on password, RapidCharge Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 1.81 W/kg (body), 1.81 W/kg (limb)
ENERGY STAR Certified Yes -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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