Lenovo ThinkPad X1 Carbon (2nd Gen) vs. Lenovo ThinkPad X1 Carbon (4th Gen)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad X1 Carbon (2nd Gen) and Lenovo ThinkPad X1 Carbon (4th Gen). 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.

Lenovo ThinkPad X1 Carbon (2nd Gen) Review

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

Lenovo ThinkPad X1 Carbon (4th Gen) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Carbon (4th Gen) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight design

robust build quality

excellent keyboard

fast ssd storage

good battery life

expensive price point

average display brightness

limited graphics performance

no touchscreen option

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Carbon (2nd Gen) and Lenovo ThinkPad X1 Carbon (4th Gen)
82 % - Design
75 % - Display
72 % - Performance
75 % - Connectivity
74 % - Battery
85 % - Design
75 % - Display
72 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Carbon (2nd Gen) vs. Lenovo ThinkPad X1 Carbon (4th Gen) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Product Type Ultrabook Ultrabook
Dimensions (WxDxH) 33.1 cm x 22.65 cm x 1.772 cm 33.3 cm x 22.9 cm x 1.645 cm
Weight 1.34 kg 1.17 kg
Case Material Glass-fibre reinforced plastic, carbon fibre reinforced plastic, magnesium-aluminum alloy Magnesium alloy, carbon fibre reinforced plastic
DISPLAY Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Screen Size (Type) 14" 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1600 x 900 (HD+) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 300 cd/m²
Features Anti-glare Anti-glare
PROCESSOR Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
CPU Intel Core i7 (4th Gen) 4600U / 2.1 GHz Intel Core i5 (6th Gen) 6200U / 2.3 GHz
Max Turbo Speed 3.3 GHz 2.8 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, Intel Smart Cache
MEMORY Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type DDR3L SDRAM LPDDR3 SDRAM
Speed 1600 MHz / PC3L-12800 1866 MHz
Rated Speed 1600 MHz 1866 MHz
STORAGE Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Main Storage Size (HDD/SSD) 120 GB SSD 256 GB SSD
AUDIO & VIDEO Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Graphics Processor (GPU) Intel HD Graphics 4400 Intel HD Graphics 520
Camera Yes - 720p Yes - 720p
Camera Features Face tracking, gesture input support -
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3232 CX11852
Compliant Standards High Definition Audio, Dolby Home Theater v4 High Definition Audio
COMMUNICATIONS Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Wireless Bluetooth, Wi-Fi -
Network Interface Gigabit Ethernet Gigabit Ethernet
WWAN
Generation WWAN upgradable -
BATTERY Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Technology Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) - 52 Wh
Battery Life - Up to 11 hours
AC ADAPTER Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
INPUT Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
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 X1 Carbon (4th Gen)
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
Mini DisplayPort
HDMI
OneLink+ connector
Headphone/microphone combo jack
USB 3.0 (Always On)
LAN (on supplied adapter)
Memory Card Reader - Yes (microSDXC UHS-II)
SOFTWARE Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
Operating System (OS) Windows 10 Home (Microsoft Authorized Refurbisher (MAR)) Windows 10 Pro (Microsoft Authorized Refurbisher (MAR))
MISCELLANEOUS Lenovo ThinkPad X1 Carbon (2nd Gen) Lenovo ThinkPad X1 Carbon (4th Gen)
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, fingerprint reader
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, RapidCharge, reset switch, ThinkEngine, MIL-STD-810G tested
Compliant Standards ISO 9001, ISO 14001, RoHS, ISO 27001 ISO 9001, ISO 14001, RoHS, GREENGUARD, 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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