ASUS ROG Zephyrus Duo 16 (GX650RX) vs. Lenovo ThinkBook 13s G4 ARB (21AS)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ROG Zephyrus Duo 16 (GX650RX) and Lenovo ThinkBook 13s G4 ARB (21AS). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 16 (GX650RX) vs. Lenovo ThinkBook 13s G4 ARB (21AS) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.5 cm x 26.6 cm x 2.05 cm 29.7 cm x 21.1 cm x 1.49 cm
Weight 2.5 kg 1.23 kg
Case Material - Aluminium (top), aluminium (bottom)
Colour - Dual tone arctic grey
DISPLAY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Screen Size (Type) 16" 13.3" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 2560 x 1600 (WQXGA) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. 165 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness - 300 cd/m²
Colour Gamut 75.35% Adobe RGB, 100% DCI-P3 100% sRGB
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, Low Blue Light technology, 170° viewing angle, Dolby Vision
PROCESSOR ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
CPU AMD Ryzen 9 6980HX / 3.3 GHz AMD Ryzen 5 6600U / 2.9 GHz
Max Turbo Speed 5 GHz 4.5 GHz
Number of Cores 8-core 6-core
Cache L3 - 16 MB L3 - 16 MB
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
RAM 32 GB (2 x 16 GB) 8 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR5 SDRAM LPDDR5 SDRAM
Speed 4800 MHz 6400 MHz
Rated Speed - 6400 MHz
Form Factor SO-DIMM 262-pin -
Slots Qty 2 -
Empty Slots 0 -
STORAGE ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Main Storage Size (HDD/SSD) 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M AMD Radeon 660M
Max Monitors Supported - 3 external monitor(s)
Video Memory 16 GB GDDR6 SDRAM -
Video System Features NVIDIA Optimus, ROG Boost, Dynamic Boost -
Gaming Yes -
Camera Yes - 720p Yes - 1080p
Camera Features IR camera, Windows Hello Privacy shutter, fixed focus
Sound Stereo speakers, two woofers, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards Dolby Atmos High Definition Audio, Dolby Audio
Audio Features Noise-cancellation technology, Smart Amp Harman-branded, AI noise cancelling
COMMUNICATIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Network Interface Gigabit Ethernet -
Features Dual stream (2x2) Dual stream (2x2)
BATTERY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 90 Wh 56 Wh
Battery Life - Up to 19.1 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 19.1 hours
AC ADAPTER ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
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 ThinkBook 13s G4 ARB (21AS)
Type Keyboard, touchpad, NumberPad, ScreenPad Plus Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, 14" 4K UHD (3840 x 1100) touch display Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
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 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDXC UHS-II) -
SOFTWARE ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Operating System (OS) Windows 11 Home Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 13s G4 ARB (21AS)
Included Accessories Power adapter, palm rest, ROG X DL2 thank you card USB-C slim wall mount power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington nano 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, RapidCharge, MIL-STD-810H tested, self-healing BIOS
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Silver
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty - Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Model Number LO010W -
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