In depth comparison and review of ASUS VivoBook 15 (X512DA) and Lenovo ThinkPad X12 Detachable (20UW). 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 VivoBook 15 (X512DA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
ample storage options
decent processor speed
lightweight design
solid build quality
average display quality
limited graphics performance
short battery life
no backlit keyboard
Advantages and disadvantages of Lenovo ThinkPad X12 Detachable (20UW) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
detachable flexibility
sharp display clarity
responsive touch screen
decent battery life
limited port selection
moderate storage capacity
higher price point
average graphics performance
| DESIGN AND DIMENSIONS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 35.72 cm x 23.04 cm x 1.99 cm | - |
| Dimensions (WxDxH) - tablet | - | 28.33 cm x 20.35 cm x 0.88 cm |
| Dimensions (WxDxH) / Weight Details | - | 28.33 cm x 21.78 cm x 0.57 cm / 340 g - keyboard dock |
| Weight | 1.7 kg | 760 g |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | Slate grey | Black |
| DISPLAY | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Screen Size (Type) | 15.6" | 12.3" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1280 (Full HD Plus) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Anti-glare, NanoEdge display | Anti-reflective, Direct Bonding technology, anti-smudge, Corning Gorilla glass 5, 178° viewing angle, capacitive touch screen |
| PROCESSOR | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| CPU | AMD Ryzen 5 3500U / 2.1 GHz | Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | - | 8 MB |
| Features | - | Integrated memory controller |
| MEMORY | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Speed | - | 4266 MHz |
| Rated Speed | - | 4266 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Graphics Processor (GPU) | AMD Radeon Vega 8 | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - HD | Yes |
| Resolution | - | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | - | Privacy shutter, rear camera with auto focus, IR/RGB camera |
| Sound | - | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3306-GRT |
| Compliant Standards | - | Dolby Audio |
| COMMUNICATIONS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 |
| Features | - | Dual stream (2x2), MU-MIMO |
| BATTERY | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Technology | 2-cell | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 42 Wh |
| Battery Life | - | Up to 12.42 hours |
| AC ADAPTER | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt |
| INPUT | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Type | Keyboard, touchpad | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | - | 3-level backlight |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | ASUS VivoBook 15 (X512DA) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter, Lenovo Digital Pen |
| Integrated Options | - | Accelerometer, hall sensor, gyroscope, inclinometer |
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | RapidCharge, MIL-STD-810H tested |
| Compliant Standards | - | RoHS, low halogen, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 0.464 W/kg (body), 0.464 W/kg (limb) | - |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
| Model Number | EJ254T | - |
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