Detailed comparison and review of Lenovo ThinkPad T440 and Lenovo Miix 520-12IKB (Lenovo Miix 520). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad T440 based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard comfort
good battery life
solid performance base
efficient thermal management
average display quality
heavier than competitors
limited graphics capability
outdated design style
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.9 cm x 23.25 cm x 2.1 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 | 1.81 kg | 880 g |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | - | Iron grey |
| DISPLAY | Lenovo ThinkPad T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Screen Size (Type) | 14" | 12.2" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 320 cd/m² |
| PROCESSOR | Lenovo ThinkPad T440 | 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 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 8 GB | - |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Main Storage Size (HDD/SSD) | 240 GB SSD | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440 | 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 | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | - | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Wireless | - | 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 T440 | 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 T440 | 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 T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
USB 3.0 USB-C 3.1 Gen 1 (supports DisplayPort, VGA, HDMI) Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T440 | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440 | 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 1.2) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| 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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