Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) vs. Lenovo IdeaPad 520-15IKB (81BF)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) and Lenovo IdeaPad 520-15IKB (81BF). 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 Yoga Slim 7 Pro 14ACH5 O (82N5) Review

Advantages and disadvantages of Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

powerful AMD processor

lightweight design

fast SSD storage

excellent build quality

limited port selection

average battery life

no dedicated GPU

higher price point

Lenovo IdeaPad 520-15IKB (81BF) Review

Advantages and disadvantages of Lenovo IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.

robust metal design

crisp full HD display

backlit keyboard feature

adequate processing power

reasonable price point

average battery life

limited graphics performance

heavier than competitors

no USB-C port

Laptop Comparison and Tests

Difference between Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) and Lenovo IdeaPad 520-15IKB (81BF)
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
75 % - Design
72 % - Display
72 % - Performance
73 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) vs. Lenovo IdeaPad 520-15IKB (81BF) Comparison Chart
DESIGN AND DIMENSIONS Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 31.24 cm x 22.14 cm x 1.49 cm 37.8 cm x 26 cm x 2.2 cm
Weight 1.39 kg 2.2 kg
Case Material Aluminium (top), aluminium (bottom) Metal
Colour Slate grey Golden
DISPLAY Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Screen Size (Type) 14" OLED 15.6" - IPS
Screen Resolution 2880 x 1800 (2.8K) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 90 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 400 cd/m² 250 cd/m²
Colour Gamut 100% DCI-P3 -
Features Glossy, 170° viewing angle, HDR 500 True Black, Dolby Vision Anti-glare
PROCESSOR Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
CPU AMD Ryzen 7 5800H / 3.2 GHz Intel Core i5 (8th Gen) 8550U / 1.8 GHz
Max Turbo Speed 4.4 GHz 4 GHz
Number of Cores 8-core Quad-Core
Cache L3 - 16 MB 8 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported - 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 2133 MHz
Rated Speed 3200 MHz 2400 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 2 TB HDD SATA 6Gb/s / 5400 rpm
Optical Drive - DVD±RW
AUDIO & VIDEO Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) AMD Radeon Graphics NVIDIA GeForce MX150 / Intel UHD Graphics 620
Max Monitors Supported 2 external monitor(s) -
Video Memory - 4 GB GDDR5 SDRAM
Camera Yes - 720p Yes - 720p
Resolution - 1 Megapixel
Camera Features IR camera, Windows Hello, fixed focus, ToF sensor Fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio
Audio Features Harman audio technology Output: Harman audio technology
COMMUNICATIONS Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller M.2 Card M.2 Card
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) Single stream (1x1)
BATTERY Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Technology Lithium polymer 2-cell lithium polymer
Battery Capacity (Size) 61 Wh 35 Wh
Battery Life Up to 11.5 hours Up to 6 hours
Battery Run Time Local video (1080p) playback time (150 nits): up to 11.5 hours -
AC ADAPTER Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 95 Watt 65 Watt
INPUT Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad, precision glass touchpad -
CONNECTIONS & EXPANSIONS Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Interfaces 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1 (Always On)
Headphone/microphone combo jack
USB-C 3.0
2 x USB 3.0
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo Yoga Slim 7 Pro 14ACH5 O (82N5) Lenovo IdeaPad 520-15IKB (81BF)
Included Accessories USB-C power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip 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, Rapid Charge Express Administrator password, hard drive password, power-on password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Eyesafe Display, TUV Rheinland Low Blue Light (Hardware Solution) RoHS
ENERGY STAR Certified Yes -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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