Detailed comparison and review of ASUS ROG Zephyrus S GX531GXR and Lenovo ThinkPad E490 (20N9). 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.
Advantages and disadvantages of ASUS ROG Zephyrus S GX531GXR based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-slim design
high refresh rate
powerful graphics performance
RGB keyboard lighting
efficient cooling system
high price tag
limited battery life
no webcam
limited upgradeability
Advantages and disadvantages of Lenovo ThinkPad E490 (20N9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good security features
decent battery life
solid performance
average display quality
heavier design
no thunderbolt support
limited graphics power
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 1.61 cm | 32.9 cm x 24.2 cm x 1.99 cm |
| Weight | 2.1 kg | 1.75 kg |
| Case Material | Aluminum, polycarbonate, magnesium alloy, plastic | Aluminum, polycarbonate ABS |
| Colour | Black | Black |
| DISPLAY | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 240 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB, 72% NTSC, 75.35% Adobe RGB | - |
| Features | Anti-glare, 3 ms response rate | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 3.9 GHz |
| Number of Cores | - | Quad-Core |
| Cache | 12 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Chipset | Mobile Intel HM370 | - |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 24 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | 2666 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - Toshiba |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2080 / Intel UHD Graphics 630 | Intel UHD Graphics 620 |
| Video Memory | 8 GB GDDR6 SDRAM | - |
| Video System Features | Max-Q design | - |
| Gaming | Yes | - |
| Camera | Yes - 720p | Yes - 720p |
| Sound | Stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Conexant CX11880 |
| Compliant Standards | - | High Definition Audio, Dolby Advanced Audio |
| Audio Features | Smart Amplification technology | - |
| VR Ready | Yes | - |
| COMMUNICATIONS | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 9260 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| BATTERY | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 45 Wh |
| Battery Life | - | Up to 13 hours |
| AC ADAPTER | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 230 Watt, 19.5 V, 11.8 A | 65 Watt |
| INPUT | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | - |
| Features | Chiclet keyboard, 4 RGB zones | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Interfaces | Headphone/microphone combo jack HDMI USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) USB 3.1 Gen 2 2 x USB 2.0 |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) USB 2.0 HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus S GX531GXR | Lenovo ThinkPad E490 (20N9) |
|---|
| Included Accessories | Power adapter, 3D ROG sculpture | USB-C power adapter |
|---|---|---|
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip |
| 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, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | MIL-STD 810G, DisplayPort 1.2 | RoHS |
| SAR Value | - | 0.47 W/kg (body), 0.47 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| Model Number | AZ044T | - |
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