Side by side comparison and review of Lenovo ThinkPad X240 and Lenovo Miix 520-12IKB (Lenovo Miix 520). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad X240 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
compact and portable
efficient power management
average display quality
limited graphics performance
older processor model
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 30.48 cm x 20.83 cm x 2.03 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 | 1.42 kg | 880 g |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | - | Iron grey |
| DISPLAY | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Screen Size (Type) | 12.5" | 12.2" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | 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 |
| PROCESSOR | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i3 (7th Gen) 7130U / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | - |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| RAM | 4 GB | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR3 SDRAM | DDR4 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| STORAGE | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | - | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | - | Rear camera with auto focus |
| Sound | - | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Wireless | 802.11a/b/g/n | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | WCDMA, LTE, FDD LTE |
| Controller | - | FIBOCOM L831-EAU |
| BATTERY | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Technology | - | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 39 Wh |
| Battery Life | - | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt, 20 V, 2.25 A |
| INPUT | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | - | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | Dock | USB 3.0 USB-C 3.1 Gen 1 (supports DisplayPort, VGA, HDMI) Headphone/microphone combo jack |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X240 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter, keyboard, Lenovo Active Pen 2 |
| Integrated Options | - | Gyro sensor, G-sensor, hall sensor, inertial measurement unit (IMU) |
| Security | - | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | RoHS |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 12IKB 20M3 |
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