Detailed comparison and review of Lenovo ThinkPad T550 and Lenovo ThinkPad X1 Carbon (6th Gen) (20KH). 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 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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 38 cm x 25.8 cm x 2.24 cm | 32.35 cm x 21.71 cm x 1.595 cm |
| Weight | 2.3 kg | 1.13 kg |
| Case Material | Glass-fibre reinforced plastic | Glass-fibre reinforced plastic, magnesium alloy, carbon fibre reinforced plastic, polyphenylene sulfide |
| DISPLAY | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Screen Size (Type) | 15.5" | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2880 x 1620 (WQHD+) | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| 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 Carbon (6th Gen) (20KH) |
|---|
| RAM | 4 GB | (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 2133 MHz |
| Rated Speed | 1600 MHz | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 2 | - |
| STORAGE | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | - |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 5500 | - |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3232 | Realtek ALC3286 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio Premium |
| COMMUNICATIONS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Wireless | Bluetooth, Wi-Fi | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
| BATTERY | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 57 Wh |
| Battery Life | - | Up to 19.3 hours |
| AC ADAPTER | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Interfaces | 2 x USB 3.0 USB 3.0 (Always On) VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector Dock |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSDXC UHS-II) |
| SOFTWARE | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T550 | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| 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 | 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | RoHS |
| SAR Value | - | 1.514 W/kg (body), 1.514 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |