Side by side comparison and review of Lenovo ThinkPad X390 and ASUS ROG Zephyrus G15 (GA503QM). 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.
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 (GA503QM) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
lightweight and portable
efficient cooling system
long battery life
expensive price point
no webcam included
limited port selection
average speaker quality
DESIGN AND DIMENSIONS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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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 (GA503QM) |
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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) | 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 | 250 cd/m² | - |
Colour Gamut | 45% | 47.34% Adobe RGB, 62.5% sRGB |
Features | Anti-glare, 90° viewing angle | Anti-glare, FreeSync Technology, IPS-level |
PROCESSOR | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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CPU | Intel Core i5 (8th Gen) 8365U / 1.6 GHz | AMD Ryzen 9 5900HS / 3 GHz |
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Max Turbo Speed | 4.1 GHz | 4.6 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 (GA503QM) |
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RAM | 8 GB | 16 GB (provided memory is soldered) |
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Max RAM Supported | - | 48 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 1 |
STORAGE | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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Main Storage Size (HDD/SSD) | 256 GB SSD | 1 TB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 3060 |
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Video Memory | - | 6 GB GDDR6 SDRAM |
Video System Features | - | ROG Boost, NVIDIA Resizable BAR, Dynamic Boost 2.0 |
Gaming | - | Yes |
Camera | Yes - 720p | - |
Sound | Stereo speakers, dual array microphone | Two tweeters, four woofers, array microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio Premium | Dolby Atmos |
Audio Features | - | Noise-cancellation technology, Smart Amplification technology |
COMMUNICATIONS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | Intel Wireless-AC 9560 | - |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Compliant Standards | - | Wi-Fi CERTIFIED 6 |
Features | - | Dual stream (2x2) |
BATTERY | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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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 (GA503QM) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | - | 200 Watt, 20 V, 10 A |
INPUT | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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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 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) LAN HDMI |
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Memory Card Reader | Yes (microSD) | Yes (microSD) |
SOFTWARE | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Home |
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Software Included | - | Microsoft 365 (30 days trial), ROG Armoury Crate |
MISCELLANEOUS | Lenovo ThinkPad X390 | ASUS ROG Zephyrus G15 (GA503QM) |
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Dockable | Yes | - |
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Included Accessories | - | Power adapter |
Security | - | Fingerprint reader |
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 |
Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | - |
ENERGY STAR Certified | Yes | - |
Model Number | - | HN170T |