In depth comparison and review of Lenovo ThinkPad E490 (20N9) and ASUS ROG Strix G531GU (AL315T). 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 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
Advantages and disadvantages of ASUS ROG Strix G531GU (AL315T) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
attractive design aesthetics
144Hz refresh rate
comfortable keyboard layout
adequate cooling system
heavy build
short battery life
no thunderbolt support
limited storage capacity
DESIGN AND DIMENSIONS | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 32.9 cm x 24.2 cm x 1.99 cm | 36 cm x 27.5 cm x 2.58 cm |
Weight | 1.75 kg | 2.4 kg |
Case Material | Aluminum, polycarbonate ABS | Polycarbonate, ABS plastic |
Colour | Black | Black |
DISPLAY | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Screen Size (Type) | 14" - IPS | 15.6" |
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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. | - | 120 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | 250 cd/m² |
Colour Gamut | - | 45% NTSC, 50% Adobe RGB, 67% sRGB |
Features | Anti-glare, 170° viewing angle | Anti-glare, 170° viewing angle |
PROCESSOR | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i5 (9th Gen) 9300H / 2.4 GHz |
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Max Turbo Speed | 3.9 GHz | 4.1 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | 6 MB | 8 MB |
64-bit Computing | Yes | Yes |
Chipset | - | Mobile Intel HM370 |
Features | Integrated memory controller | - |
MEMORY | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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RAM | 8 GB (1 x 8 GB) | 16 GB (2 x 8 GB) |
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Max RAM Supported | 32 GB | 32 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | 2666 MHz |
Rated Speed | 2666 MHz | 2666 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | 2 |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - Toshiba | 512 GB SSD M.2 PCIe - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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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 GTX 1660 Ti / Intel UHD Graphics 630 |
Video Memory | - | 6 GB GDDR6 SDRAM |
Video System Features | - | NVIDIA Optimus |
Gaming | - | Yes |
Camera | Yes - 720p | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, array microphone |
Codec | Conexant CX11880 | - |
Compliant Standards | High Definition Audio, Dolby Advanced Audio | - |
COMMUNICATIONS | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | Intel Dual Band Wireless-AC 9260 - M.2 Card | - |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Realtek R8111GUS | - |
BATTERY | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Technology | 3-cell Lithium Ion | 4-cell Lithium Ion |
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Battery Capacity (Size) | 45 Wh | 66 Wh |
Battery Life | Up to 13 hours | - |
AC ADAPTER | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 230 Watt, 19.5 V, 11.8 A |
INPUT | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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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 | - |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Interfaces | 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 |
Headphone/microphone combo jack 3 x USB 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort 1.4 Alt Mode) HDMI LAN |
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Memory Card Reader | Yes (microSD) | - |
SOFTWARE | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition |
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MISCELLANEOUS | Lenovo ThinkPad E490 (20N9) | ASUS ROG Strix G531GU (AL315T) |
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Included Accessories | USB-C power adapter | Power adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip | - |
Security Slot Type | Kensington security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | System password |
Compliant Standards | RoHS | - |
SAR Value | 0.47 W/kg (body), 0.47 W/kg (limb) | - |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Silver | - |