Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) vs. Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) and Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S). 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.

Laptop Specifications Comparison

Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) vs. Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Product Type Notebook Notebook
Dimensions (WxDxH) 37.8 cm x 26 cm x 2.2 cm 30.59 cm x 21.382 cm x 1.36 cm
Weight 2.2 kg 1.14 kg
Case Material Metal Aluminum
Colour Gold Platinum silver
DISPLAY Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Screen Size (Type) 15.6" - IPS 13.3" - 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 250 cd/m² 300 cd/m²
Features Anti-glare Anti-glare
PROCESSOR Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
CPU Intel Core i5 (7th Gen) 7200U / 2.5 GHz AMD Ryzen 5 2500U / 2 GHz
Max Turbo Speed 3.1 GHz 3.6 GHz
Number of Cores Dual-Core Quad-Core
Cache 3 MB 4 MB
64-bit Computing Yes Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2133 MHz 2133 MHz
Rated Speed 2133 MHz 2133 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Main Storage Size (HDD/SSD) 256 GB SSD 2.5" SATA 6Gb/s 256 GB SSD M.2 PCIe - NVM Express (NVMe) - Samsung
AUDIO & VIDEO Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce 940MX / Intel HD Graphics 620 AMD Radeon Vega 8
Video Memory 2 GB GDDR5 SDRAM -
Camera Yes - 720p Yes - 720p
Resolution 1 Megapixel 1 Megapixel
Sound Stereo speakers, dual array microphone Speakers, dual array microphone
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features Harman audio technology JBL
COMMUNICATIONS Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller M.2 Card Qualcomm 435-AC - M.2 Card
Network Interface Gigabit Ethernet -
BATTERY Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Technology 2-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 30 Wh 48 Wh
Battery Life Up to 6 hours Up to 8 hours
AC ADAPTER Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 45 Watt, 5 / 9 / 15 / 20 V
INPUT Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features - Multi-touch touchpad
CONNECTIONS & EXPANSIONS Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Interfaces USB-C 3.0
2 x USB 3.0
HDMI
LAN
Headphone/microphone combo jack
USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1 (Power Delivery)
USB-C 3.1 Gen 1 (supports DisplayPort 1.2a, VGA, HDMI) (Power Delivery)
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 10 Home 64-bit Edition
MISCELLANEOUS Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) Lenovo IdeaPad 720S-13ARR (Lenovo IdeaPad 720S)
Included Accessories Power adapter USB-C power adapter
Security - Fingerprint reader
Security Slot Type Kensington mini security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, hard drive password, power-on password Administrator password, hard drive password, power-on password
Compliant Standards RoHS RoHS
ENERGY STAR Certified Yes Yes
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number 15IKB 80YL 13ARR 81BR
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