In depth comparison and review of ASUS A509JA (EJ079T) and Lenovo ThinkPad X1 Extreme Gen 3 (20TL). 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 ASUS A509JA (EJ079T) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
responsive touchpad
crisp full hd display
adequate connectivity options
competitive pricing
average battery life
modest graphics performance
no backlit keyboard
limited upgradeability
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 3 (20TL) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
excellent keyboard feel
high-resolution display
good thermal management
heavier than competitors
short battery life
expensive price point
limited port variety
| DESIGN AND DIMENSIONS | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 2.29 cm | 36.18 cm x 24.57 cm x 1.84 cm |
| Weight | 1.9 kg | 1.7 kg |
| Case Material | - | Carbon fibre hybrid (top), aluminium alloy (bottom) |
| Colour | Transparent silver | Black weave |
| DISPLAY | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | 600 cd/m² |
| Colour Gamut | 45% NTSC | 100% Adobe RGB |
| Features | Anti-glare | Anti-glare, HDR (high dynamic range), 178° viewing angle, Dolby Vision |
| PROCESSOR | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| CPU | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz | Intel Core i7 (10th Gen) 10850H / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 8 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Chipset | - | Mobile Intel WM490 |
| Features | - | Integrated memory controller |
| MEMORY | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2933 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Western Digital |
|---|
| AUDIO & VIDEO | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Graphics Processor (GPU) | Intel Iris Plus Graphics | Intel UHD Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Camera | Yes | Yes - 720p |
| Camera Features | - | IR camera, Windows Hello, fixed focus, ThinkShutter camera privacy |
| Sound | Speaker, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3286 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| Audio Features | ASUS SonicMaster, ASUS Bang & Olufsen ICEpower | 3-magnet speakers |
| COMMUNICATIONS | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 |
| BATTERY | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 80 Wh |
| Battery Life | - | Up to 15.6 hours |
| AC ADAPTER | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 135 Watt, 20 V |
| INPUT | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Slots | - | 2 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.2 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS A509JA (EJ079T) | Lenovo ThinkPad X1 Extreme Gen 3 (20TL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | System password, hard drive password | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested, self-healing BIOS |
| Compliant Standards | - | RoHS, TCG Certified |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | 2.512 W/kg (body), 0.967 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
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