Side by side comparison and review of Lenovo ThinkPad T550 and Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK). 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 T550 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
long battery life
efficient thermal management
good enterprise features
heavier than competitors
average display quality
limited graphics performance
costlier than alternatives
Advantages and disadvantages of Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
ample storage options
good processor performance
average display quality
modest graphics card
lacks USB-C charging
heavier design
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 38 cm x 25.8 cm x 2.24 cm | - |
| Dimensions (WxDxH) - tablet | - | 30.41 cm x 22.6 cm x 0.89 cm |
| Dimensions (WxDxH) / Weight Details | - | 30.41 cm x 22.6 cm x 0.89 cm / 890 g - tablet 30.41 cm x 22.6 cm x 1.44 cm / 1.27 kg - tablet with keyboard |
| Weight | 2.3 kg | 890 g |
| Case Material | Glass-fibre reinforced plastic | Magnesium-aluminum alloy |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Screen Size (Type) | 15.5" | 13" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2880 x 1620 (WQHD+) | 3000 x 2000 (QHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Features | Anti-glare | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
| PROCESSOR | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| CPU | Intel Core i5 (5th Gen) 5200U / 2.2 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 2.7 GHz | - |
| Number of Cores | Dual-Core | - |
| Cache | 3 MB | - |
| 64-bit Computing | Yes | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | - |
| MEMORY | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| RAM | 4 GB | 0 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 1866 MHz |
| Rated Speed | 1600 MHz | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 2 | - |
| STORAGE | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | - |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 5500 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Resolution | - | 8 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | - | Rear camera with auto focus, rear camera with flash |
| Sound | Stereo speakers, two microphones | Stereo speakers, two microphones |
| Codec | Realtek ALC3232 | Realtek ALC3278 |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Wireless | Bluetooth, Wi-Fi | - |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 42 Wh |
| Battery Life | - | Up to 9.5 hours |
| AC ADAPTER | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Volume control, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Interfaces | 2 x USB 3.0 USB 3.0 (Always On) VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD, microSDHC, microSDXC, microSDXC UHS) |
| SOFTWARE | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter |
| Integrated Options | - | Ambient light sensor, 3-axis gyro sensor, digital compass, 3-axis accelerometer |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | Kensington mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, ThinkEngine, MIL-STD-810G tested | Reset switch, MIL-STD-810G tested, built-in easel kickstand |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | RoHS, GREENGUARD, low halogen |
| SAR Value | - | 1.51 W/kg (body), 1.51 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
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