In depth comparison and review of Lenovo ThinkPad X1 Carbon (2nd Gen) and Lenovo ThinkPad T550. 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 X1 Carbon (2nd Gen) based on its technical characteristics, features, user experience, expert reviews and price level.
robust carbon-fiber construction
excellent keyboard feel
lightweight and portable
high-resolution display
good battery life
higher price point
no touch screen option
limited storage capacity
average graphics performance
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 X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.65 cm x 1.772 cm | 38 cm x 25.8 cm x 2.24 cm |
| Weight | 1.34 kg | 2.3 kg |
| Case Material | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, magnesium-aluminum alloy | Glass-fibre reinforced plastic |
| DISPLAY | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Screen Size (Type) | 14" | 15.5" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) | 2880 x 1620 (WQHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| CPU | Intel Core i7 (4th Gen) 4600U / 2.1 GHz | Intel Core i5 (5th Gen) 5200U / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 2.7 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 4 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | DDR3L SDRAM | DDR3L SDRAM |
| Speed | 1600 MHz / PC3L-12800 | 1600 MHz / PC3L-12800 |
| Rated Speed | 1600 MHz | 1600 MHz |
| Form Factor | - | SO-DIMM 204-pin |
| Slots Qty | - | 2 |
| STORAGE | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 120 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 5500 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Face tracking, gesture input support | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3232 | Realtek ALC3232 |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Wireless | Bluetooth, Wi-Fi | Bluetooth, Wi-Fi |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| WWAN |
|---|
| Generation | WWAN upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|
| INPUT | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, adaptive keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Interfaces | USB 3.0 Mini DisplayPort HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector OneLink connector USB 3.0 (Always On) |
2 x USB 3.0 USB 3.0 (Always On) VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Operating System (OS) | Windows 10 Home (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (2nd Gen) | Lenovo ThinkPad T550 |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Integrated Options | Ambient light sensor | - |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | Kensington security slot | Kensington 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, RapidCharge, reset switch, 1 USB 3.0 (Always On), voice input support, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, ThinkEngine, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, RoHS, ISO 27001 | ISO 9001, ISO 14001, ISO 27001 |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 2 years - pick-up and return |
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