ASUS ROG Zephyrus S GX502GW vs. Lenovo IdeaPad 720S-14IKBR (81BD)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS ROG Zephyrus S GX502GW and Lenovo IdeaPad 720S-14IKBR (81BD). 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.

ASUS ROG Zephyrus S GX502GW Review

Advantages and disadvantages of ASUS ROG Zephyrus S GX502GW based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

slim, portable design

144Hz refresh rate display

effective cooling system

RGB keyboard lighting

average battery life

limited storage capacity

no webcam

high price point

Lenovo IdeaPad 720S-14IKBR (81BD) Review

Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.

slim, lightweight design

sharp full HD display

solid overall performance

fast SSD storage

decent battery life

limited port selection

no dedicated GPU

average sound quality

pricier than competitors

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus S GX502GW and Lenovo IdeaPad 720S-14IKBR (81BD)
86 % - Design
85 % - Display
87 % - Performance
84 % - Connectivity
75 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus S GX502GW vs. Lenovo IdeaPad 720S-14IKBR (81BD) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 25.2 cm x 1.89 cm 32.07 cm x 22.28 cm x 1.59 cm
Weight 2 kg 1.55 kg
Case Material - Aluminium (top), aluminium (bottom)
Colour Black Silver
DISPLAY ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Screen Size (Type) 15.6" 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 144 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 300 cd/m²
Colour Gamut 100% sRGB -
Features NVIDIA G-SYNC compatible, 3 ms response rate Anti-glare
PROCESSOR ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz Intel Core i5 (8th Gen) 8250U / 1.6 GHz
Max Turbo Speed 4.5 GHz 3.4 GHz
Number of Cores 6-core Quad-Core
Cache 12 MB 6 MB
64-bit Computing Yes -
Chipset Mobile Intel HM370 -
Features Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2400 MHz
Rated Speed - 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 0
STORAGE ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe - NVM Express (NVMe) 128 GB SSD M.2 2280 PCIe 3.0 x4
AUDIO & VIDEO ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 2070 NVIDIA GeForce MX150 / Intel UHD Graphics 620
Video Memory 8 GB GDDR6 SDRAM 2 GB GDDR5 SDRAM
Gaming Yes -
Camera - Yes - 720p
Resolution - 1 Megapixel
Camera Features - Fixed focus
Sound Stereo speakers, array microphone Stereo speakers, dual array microphone
Compliant Standards - High Definition Audio, Dolby Audio Premium
Audio Features ESS SABRE HiFi audio DAC technology, Smart Amplification technology Output: JBL
COMMUNICATIONS ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Technology 4-cell Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 76 Wh 55 Wh
Battery Life - Up to 14 hours
AC ADAPTER ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 230 Watt, 19.5 V, 11.8 A 65 Watt
INPUT ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, ASUS Aura Sync RGB LED, N-key rollover, per-key RGB Multi-touch touchpad
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Interfaces Headphone output
Microphone input
USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 1
LAN
HDMI
USB 3.0 (Always On)
USB 3.0
USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery)
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Operating System (OS) Windows 10 Home Windows 10 Home 64-bit Edition - English
Software Included - Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer
MISCELLANEOUS ASUS ROG Zephyrus S GX502GW Lenovo IdeaPad 720S-14IKBR (81BD)
Included Accessories Power adapter, web camera Power adapter
Security - Fingerprint reader
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features - Administrator password, power-on password
Compliant Standards - RoHS
SAR Value 0.28 W/kg (body), 0.28 W/kg (limb) -
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number ES019T -
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