ASUS ROG Zephyrus Duo 16 (GX650RX) vs. Lenovo ThinkBook 15 G4 IAP (21DJ)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ROG Zephyrus Duo 16 (GX650RX) and Lenovo ThinkBook 15 G4 IAP (21DJ). 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.

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 ThinkBook 15 G4 IAP (21DJ) Review

Advantages and disadvantages of Lenovo ThinkBook 15 G4 IAP (21DJ) based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum design

efficient multitasking performance

comprehensive connectivity options

fast charging support

competitive pricing

average display quality

modest battery life

limited graphics performance

noisy under load

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 16 (GX650RX) and Lenovo ThinkBook 15 G4 IAP (21DJ)
85 % - Design
87 % - Display
92 % - Performance
85 % - Connectivity
75 % - Battery
81 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 16 (GX650RX) vs. Lenovo ThinkBook 15 G4 IAP (21DJ) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.5 cm x 26.6 cm x 2.05 cm 35.7 cm x 23.5 cm x 1.89 cm
Weight 2.5 kg 1.7 kg
Case Material - Aluminium (top), polycarbonate ABS (bottom)
Colour - Dual tone mineral grey
DISPLAY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
Screen Size (Type) 16" 15.6" - IPS
LCD Backlight Technology LED backlight 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 - 300 cd/m²
Colour Gamut 75.35% Adobe RGB, 100% DCI-P3 45% NTSC
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, 170° viewing angle
PROCESSOR ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
CPU AMD Ryzen 9 6980HX / 3.3 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 5 GHz 4.4 GHz
Number of Cores 8-core 10-core
Cache L3 - 16 MB 12 MB
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
RAM 32 GB (2 x 16 GB) 8 GB (provided memory is soldered)
Max RAM Supported 64 GB 40 GB
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 3200 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 262-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 0 1
STORAGE ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
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 15 G4 IAP (21DJ)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M Intel Iris Xe Graphics
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 -
COMMUNICATIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
BATTERY ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 90 Wh 45 Wh
Battery Life - Up to 8 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 8 hours
AC ADAPTER ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
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 15 G4 IAP (21DJ)
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 Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
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)
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)
USB 3.2 Gen 1
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 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 ThinkBook 15 G4 IAP (21DJ)
Operating System (OS) Windows 11 Home Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS ASUS ROG Zephyrus Duo 16 (GX650RX) Lenovo ThinkBook 15 G4 IAP (21DJ)
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, MIL-STD-810H tested, Rapid Charge Pro
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
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
Model Number LO010W -
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