In depth comparison and review of Lenovo ThinkPad X390 and ASUS ROG Zephyrus G15 (GA503RM). 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.
Advantages and disadvantages of Lenovo ThinkPad X390 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
compact and portable
reliable performance
average display brightness
limited graphics capability
noisy under load
higher price point
Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503RM) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
lightweight, portable design
efficient cooling system
good battery life
high price point
no webcam included
limited port selection
average speaker quality
DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 31.2 cm x 21.72 cm x 1.69 cm | 35.5 cm x 24.3 cm x 1.99 cm |
Weight | 1.33 kg | 1.9 kg |
Colour | - | Moonlight white |
DISPLAY | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Screen Size (Type) | 13.3" - TN | 15.6" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 2560 x 1440 (WQHD) |
V-Sync Rate at Max Res. | - | 165 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | - |
Colour Gamut | 45% | 100% DCI-P3 |
Features | Anti-glare, 90° viewing angle | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
PROCESSOR | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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CPU | Intel Core i5 (8th Gen) 8365U / 1.6 GHz | AMD Ryzen 9 6900HS / 3.3 GHz |
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Max Turbo Speed | 4.1 GHz | 4.9 GHz |
Number of Cores | Quad-Core | 8-core |
Cache | 6 MB | L3 - 16 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | - |
MEMORY | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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RAM | 8 GB | 16 GB (1 x 8 GB + 8 GB (soldered)) |
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Max RAM Supported | - | 40 GB |
RAM Type | DDR4 SDRAM | DDR5 SDRAM |
Speed | - | 4800 MHz |
Form Factor | - | SO-DIMM 262-pin |
Slots Qty | - | 1 |
Empty Slots | - | 0 |
STORAGE | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Main Storage Size (HDD/SSD) | 256 GB SSD | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 3060 / AMD Radeon 680M |
Video Memory | - | 8 GB GDDR6 SDRAM |
Video System Features | - | NVIDIA Optimus, ROG Boost, Dynamic Boost |
Gaming | - | Yes |
Camera | Yes - 720p | Yes - 720p |
Camera Features | - | IR camera, Windows Hello |
Sound | Stereo speakers, dual array microphone | Two tweeters, two woofers, array microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio Premium | Dolby Atmos |
Audio Features | - | Noise-cancellation technology, Smart Amp |
COMMUNICATIONS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Wireless-AC 9560 | - |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | - | Dual stream (2x2) |
BATTERY | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Technology | Lithium Ion | 4-cell Lithium Ion |
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Battery Capacity (Size) | - | 90 Wh |
AC ADAPTER | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | - | 240 Watt, 20 V, 12 A |
INPUT | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Keyboard Backlight | - | Yes (RGB) |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Lenovo Ethernet extension connector Dock Headphone/microphone combo jack LAN (on supplied cable) |
Headphone/microphone combo jack 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 HDMI LAN |
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Memory Card Reader | Yes (microSD) | Yes (microSD, microSDXC UHS-II) |
SOFTWARE | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 11 Home |
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MISCELLANEOUS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503RM) |
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Dockable | Yes | - |
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Included Accessories | - | Power adapter |
Security Slot Type | Kensington security slot | Kensington security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | - | System password, ErgoLift |
Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | - |
ENERGY STAR Certified | Yes | - |
Model Number | - | HQ007W |