In depth comparison and review of ASUS VivoBook 15 (X512DA) and Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK). 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.
| DESIGN AND DIMENSIONS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 35.72 cm x 23.04 cm x 1.99 cm | - |
| Dimensions (WxDxH) - tablet | - | 30.41 cm x 22.6 cm x 0.89 cm |
| Dimensions (WxDxH) / Weight Details | - | 30.41 cm x 22.6 cm x 0.89 cm / 890 g - tablet 30.41 cm x 22.6 cm x 1.44 cm / 1.27 kg - tablet with keyboard |
| Weight | 1.7 kg | 890 g |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | Slate grey | Black |
| DISPLAY | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Screen Size (Type) | 15.6" | 13" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3000 x 2000 (QHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, NanoEdge display | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
| PROCESSOR | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| CPU | AMD Ryzen 5 3500U / 2.1 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | - |
| Number of Cores | Quad-Core | - |
| MEMORY | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 0 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR3 SDRAM |
| Speed | - | 1866 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 | - |
|---|
| AUDIO & VIDEO | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Graphics Processor (GPU) | AMD Radeon Vega 8 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - HD | Yes |
| Resolution | - | 8 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | - | Rear camera with auto focus, rear camera with flash |
| Sound | - | Stereo speakers, two microphones |
| Codec | - | Realtek ALC3278 |
| COMMUNICATIONS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | - |
|---|
| BATTERY | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Technology | 2-cell | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 42 Wh |
| Battery Life | - | Up to 9.5 hours |
| AC ADAPTER | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | - |
| INPUT | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | - | Volume control, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC, microSDXC UHS) |
| SOFTWARE | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Operating System (OS) | Windows 10 Home | No operating system |
|---|
| MISCELLANEOUS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter |
| Integrated Options | - | Ambient light sensor, 3-axis gyro sensor, digital compass, 3-axis accelerometer |
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | - | Kensington mini security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | Reset switch, MIL-STD-810G tested, built-in easel kickstand |
| Compliant Standards | - | RoHS, GREENGUARD, low halogen |
| SAR Value | 0.464 W/kg (body), 0.464 W/kg (limb) | 1.51 W/kg (body), 1.51 W/kg (limb) |
| Model Number | EJ254T | - |
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