ASUS ROG Zephyrus Duo 16 (GX650RX) vs. Lenovo IdeaPad 520-15IKB (81BF)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus Duo 16 (GX650RX) 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.

ASUS ROG Zephyrus Duo 16 (GX650RX) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 16 (GX650RX) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high-quality display resolution

ample storage capacity

advanced cooling system

high price point

heavier than average

short battery life

limited port selection

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 ASUS ROG Zephyrus Duo 16 (GX650RX) and Lenovo IdeaPad 520-15IKB (81BF)
85 % - Design
87 % - Display
92 % - Performance
85 % - Connectivity
75 % - Battery
75 % - Design
72 % - Display
72 % - Performance
73 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 16 (GX650RX) vs. Lenovo IdeaPad 520-15IKB (81BF) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.5 cm x 26.6 cm x 2.05 cm 37.8 cm x 26 cm x 2.2 cm
Weight 2.5 kg 2.2 kg
Case Material - Metal
Colour - Golden
DISPLAY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Screen Size (Type) 16" 15.6" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1600 (WQXGA) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 165 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness - 250 cd/m²
Colour Gamut 75.35% Adobe RGB, 100% DCI-P3 -
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare
PROCESSOR ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
CPU AMD Ryzen 9 6980HX / 3.3 GHz Intel Core i5 (8th Gen) 8550U / 1.8 GHz
Max Turbo Speed 5 GHz 4 GHz
Number of Cores 8-core Quad-Core
Cache L3 - 16 MB 8 MB
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
RAM 32 GB (2 x 16 GB) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported 64 GB 16 GB
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 2133 MHz
Rated Speed - 2400 MHz
Form Factor SO-DIMM 262-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 0 0
STORAGE ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Main Storage Size (HDD/SSD) 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) 2 TB HDD SATA 6Gb/s / 5400 rpm
Optical Drive - DVD±RW
AUDIO & VIDEO ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Multi-GPU Configuration 1 single GPU card / integrated GPU 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M NVIDIA GeForce MX150 / Intel UHD Graphics 620
Video Memory 16 GB GDDR6 SDRAM 4 GB GDDR5 SDRAM
Video System Features NVIDIA Optimus, ROG Boost, Dynamic Boost -
Gaming Yes -
Camera Yes - 720p Yes - 720p
Resolution - 1 Megapixel
Camera Features IR camera, Windows Hello Fixed focus
Sound Stereo speakers, two woofers, array microphone Stereo speakers, dual array microphone
Compliant Standards Dolby Atmos High Definition Audio, Dolby Audio
Audio Features Noise-cancellation technology, Smart Amp Output: Harman audio technology
COMMUNICATIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) Single stream (1x1)
BATTERY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Technology 4-cell Lithium Ion 2-cell lithium polymer
Battery Capacity (Size) 90 Wh 35 Wh
Battery Life - Up to 6 hours
AC ADAPTER ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 65 Watt
INPUT ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Type Keyboard, touchpad, NumberPad, ScreenPad Plus Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, 14" 4K UHD (3840 x 1100) touch display -
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Interfaces Headphone/microphone combo jack
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 2
HDMI
LAN
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
USB-C 3.0
2 x USB 3.0
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDXC UHS-II) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Operating System (OS) Windows 11 Home Windows 10 Home 64-bit Edition - English
MISCELLANEOUS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo IdeaPad 520-15IKB (81BF)
Included Accessories Power adapter, palm rest, ROG X DL2 thank you card Power adapter
Security - Fingerprint reader
Security Slot Type - Kensington mini security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features System password, ASUS Aura Sync technology Administrator password, hard drive password, power-on password
Compliant Standards - RoHS
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number LO010W -
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