In depth comparison and review of Lenovo ThinkPad X1 Carbon Gen 9 (20XX) 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 31.5 cm x 22.16 cm x 1.49 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 | 1.133 kg | 880 g |
| Case Material | Carbon fibre, magnesium alloy | Magnesium-aluminum alloy |
| Colour | Black weave | Platinum |
| DISPLAY | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Screen Size (Type) | 14" - IPS | 12.2" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 3840 x 2400 (WQUXGA) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 500 cd/m² | 320 cd/m² |
| Colour Gamut | 100% DCI-P3 | - |
| Features | Glossy, Low Blue Light technology, 170° viewing angle | Glossy |
| PROCESSOR | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| CPU | Intel Core i5 (11th Gen) 1145G7 / 2.6 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| Features | Integrated memory controller | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
| Speed | 4266 MHz | 2133 MHz |
| Rated Speed | 4266 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Toshiba | 256 GB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 3 external monitor(s) | - |
| Camera | Yes - 720p | Yes |
| Resolution | - | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | Rear camera with auto focus, front camera with fixed focus |
| Sound | Four speakers, quad array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Technology | 4-cell lithium polymer | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 39 Wh |
| Battery Life | Up to 26 hours | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 45 Watt |
| INPUT | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
Headphone/microphone combo jack USB-C 3.1 Gen 1 (supports DisplayPort 1.2, VGA, HDMI) USB 3.1 Gen 1 |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | USB-C power adapter, Lenovo USB-C to Ethernet Adapter | Power adapter, keyboard, Lenovo Active Pen 2 |
| Integrated Options | - | G-sensor, hall sensor, gyroscope |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete 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 | Administrator password, power-on password, RapidCharge, self-healing BIOS, NVMe password | - |
| Compliant Standards | RoHS | RoHS |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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