Lenovo ThinkPad T550 vs. Lenovo ThinkPad X1 Carbon (6th Gen) (20KH)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X1 Carbon (6th Gen) (20KH)
Lenovo ThinkPad X1 Carbon (6th Gen) (20KH)

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.

Lenovo ThinkPad T550 Review

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

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T550 and Lenovo ThinkPad X1 Carbon (6th Gen) (20KH)
85 % - Design
66 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T550 vs. Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) Comparison Chart
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 -
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