In depth comparison and review of Lenovo ThinkPad X1 Carbon (1st Gen) and Lenovo Miix 520-12IKB (81CG). 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 Miix 520-12IKB (81CG) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
responsive touch screen
solid build quality
decent processing power
affordable price
average battery life
heavier than competitors
no thunderbolt support
limited graphics performance
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 1.88 cm | - |
| Dimensions (WxDxH) - tablet | - | 30 cm x 20.5 cm x 0.99 cm |
| Dimensions (WxDxH) / Weight Details | - | 30.39 cm x 21.91 cm x 0.6 cm / 380 g - keyboard dock 30 cm x 20.5 cm x 0.99 cm / 880 g - tablet |
| Weight | 1.36 kg | 880 g |
| Case Material | Carbon fibre, magnesium-aluminum alloy | Magnesium-aluminum alloy |
| Colour | - | Platinum |
| DISPLAY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Screen Size (Type) | 14" | 12.2" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 320 cd/m² |
| Features | Premium | Glossy |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| CPU | Intel Core i5 (3rd Gen) 3427U / 1.8 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel QS77 Express | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | 1333 MHz / PC3L-10600 | 2133 MHz |
| Rated Speed | 1333 MHz | 2133 MHz |
| Form Factor | Integrated | - |
| STORAGE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 256 GB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4000 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | - | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | Face tracking | Rear camera with auto focus, front camera with fixed focus |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3202 | - |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Centrino Advanced-N 6205S - PCI Express Mini Card | M.2 Card |
| Features | - | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 3G | - |
|---|---|---|
| Technology | GPRS, WCDMA, HSPA, HSPA+ | - |
| Controller | Ericsson H5321gw - PCI Express Mini Card | - |
| Max Transfer Rate | 21 Mbps | - |
| BATTERY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Technology | 4-cell lithium polymer | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45.8 Wh | 39 Wh |
| Battery Life | Up to 8.2 hours | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt | 45 Watt |
| INPUT | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Interfaces | USB 3.0 PoweredUSB 2.0 Mini DisplayPort Headphone/microphone combo jack |
Headphone/microphone combo jack USB-C 3.1 Gen 1 (supports DisplayPort 1.2, VGA, HDMI) USB 3.1 Gen 1 |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Operating System (OS) | Windows 8 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter, keyboard, Lenovo Active Pen 2 |
| Integrated Options | - | G-sensor, hall sensor, gyroscope |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, ThinkPad Roll Cage, Intel Active Management Technology (iAMT), RapidCharge | - |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS | RoHS |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | Limited warranty - 1 year - pick-up and return |
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