Side by side comparison and review of Lenovo ThinkPad T490 (20N2) and ASUS ROG Zephyrus G15 (GA503RX). 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 T490 (20N2) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
reliable performance
mediocre display quality
limited graphics power
noisy under load
heavier than competitors
Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503RX) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
lightweight, portable design
excellent thermal management
long battery life
high price point
no webcam included
limited port selection
average speaker quality
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.7 cm x 1.79 cm | 35.5 cm x 24.3 cm x 1.99 cm |
| Weight | 1.55 kg | 1.9 kg |
| Case Material | Glass-fibre, polyphenylene sulfide, polyamide | - |
| Colour | Black | Moonlight white |
| DISPLAY | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1440 (WQHD) |
| V-Sync Rate at Max Res. | - | 240 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 | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | AMD Ryzen 9 6900HS / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 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 T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 40 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2400 MHz | 4800 MHz |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M |
| Video Memory | - | 16 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Optimus, ROG Boost, Dynamic Boost |
| Gaming | - | Yes |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | ThinkShutter camera privacy | 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 T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | - |
| Features | - | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Technology | Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 90 Wh |
| Battery Life | Up to 16.11 hours | - |
| AC ADAPTER | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 240 Watt, 20 V, 12 A |
| INPUT | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Dock Headphone/microphone combo jack LAN |
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 |
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDXC UHS-II) |
| SOFTWARE | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T490 (20N2) | ASUS ROG Zephyrus G15 (GA503RX) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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 | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | System password, ErgoLift |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
- |
| Model Number | - | LN006W |
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