In depth comparison and review of Lenovo ThinkPad T450s 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 ThinkPad T450s based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard feel
efficient power management
robust security features
good connectivity options
average display quality
modest graphics performance
heavier than competitors
limited storage capacity
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 T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 2.065 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 | 1.59 kg | 880 g |
| Case Material | Carbon fibre reinforced plastic, magnesium-aluminum alloy | Magnesium-aluminum alloy |
| Colour | - | Platinum |
| DISPLAY | Lenovo ThinkPad T450s | 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 | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 320 cd/m² |
| Features | Anti-glare | Glossy |
| PROCESSOR | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| CPU | Intel Core i5 (5th Gen) 5300U / 2.3 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 20 GB | - |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 2133 MHz |
| Rated Speed | 1600 MHz | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 256 GB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 5500 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Resolution | - | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | - | Rear camera with auto focus, front camera with fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Wireless | Wi-Fi | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Technology | Lithium Ion | 2-cell lithium polymer |
|---|---|---|
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | - | 39 Wh |
| Battery Life | - | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt |
| INPUT | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Interfaces | 3 x USB 3.0 VGA Mini DisplayPort LAN Headphone/microphone combo jack Dock |
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 T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad T450s | Lenovo Miix 520-12IKB (81CG) |
|---|
| Dockable | Yes | 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 | Discrete 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) | - |
| Features | Administrator password, hard drive password, power-on password, 1 USB 3.0 (Always On), ThinkEngine, MIL-STD-810G tested | - |
| 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 |
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