Lenovo ThinkPad X1 Carbon (4th Gen) vs. Lenovo ThinkPad X1 Carbon Gen 8 (20U9)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Lenovo ThinkPad X1 Carbon Gen 8 (20U9)

Our Rating: 85 %

Side by side comparison and review of Lenovo ThinkPad X1 Carbon (4th Gen) and Lenovo ThinkPad X1 Carbon Gen 8 (20U9). 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.

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

Lenovo ThinkPad X1 Carbon Gen 8 (20U9) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 8 (20U9) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

robust build quality

excellent keyboard feel

impressive battery life

reliable performance

high price point

average display brightness

limited graphics power

no HDMI port

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Carbon (4th Gen) and Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
85 % - Design
75 % - Display
72 % - Performance
85 % - Connectivity
85 % - Battery
86 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Carbon (4th Gen) vs. Lenovo ThinkPad X1 Carbon Gen 8 (20U9) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Product Type Ultrabook Ultrabook
Dimensions (WxDxH) 33.3 cm x 22.9 cm x 1.645 cm 32.3 cm x 21.7 cm
Weight 1.17 kg 1.09 kg
Case Material Magnesium alloy, carbon fibre reinforced plastic Carbon fibre, magnesium alloy
DISPLAY Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Screen Size (Type) 14" - IPS 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² -
Features Anti-glare -
PROCESSOR Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
CPU Intel Core i5 (6th Gen) 6200U / 2.3 GHz No CPU
Max Turbo Speed 2.8 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, Intel Smart Cache -
MEMORY Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
RAM 8 GB (provided memory is soldered) (provided memory is soldered)
RAM Type LPDDR3 SDRAM LPDDR3 SDRAM
Speed 1866 MHz 2133 MHz
Rated Speed 1866 MHz 2133 MHz
STORAGE Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Main Storage Size (HDD/SSD) 256 GB SSD -
AUDIO & VIDEO Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Graphics Processor (GPU) Intel HD Graphics 520 Intel UHD Graphics
Camera Yes - 720p -
Sound Stereo speakers, dual array microphone Four speakers, quad array microphone
Codec CX11852 USI 4551-513711-00
Compliant Standards High Definition Audio High Definition Audio, Dolby Atmos
COMMUNICATIONS Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Wireless - Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller - Intel Wi-Fi 6 AX 201
Network Interface Gigabit Ethernet -
Features - Gigabit Ethernet via optional Ethernet (RJ-45) adapter
BATTERY Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Technology 4-cell lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 52 Wh 51 Wh
Battery Life Up to 11 hours Up to 19.5 hours
AC ADAPTER Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
INPUT Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Interfaces 2 x USB 3.0
Mini DisplayPort
HDMI
OneLink+ connector
Headphone/microphone combo jack
USB 3.0 (Always On)
LAN (on supplied adapter)
USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
Lenovo Ethernet extension connector
Dock
Memory Card Reader Yes (microSDXC UHS-II) -
SOFTWARE Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Operating System (OS) Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) No operating system
MISCELLANEOUS Lenovo ThinkPad X1 Carbon (4th Gen) Lenovo ThinkPad X1 Carbon Gen 8 (20U9)
Dockable Yes Yes
Included Accessories Power adapter USB-C power adapter
Security Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader 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, RapidCharge, reset switch, ThinkEngine, MIL-STD-810G tested Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested
Compliant Standards ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 RoHS
SAR Value - 1.49 W/kg (body), 1.49 W/kg (limb)
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
TCO Certified - TCO Certified Notebooks 8
Manufacturer Warranty Limited warranty - 2 years - pick-up and return -
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