Lenovo ThinkPad X1 Carbon 21CB007BIX vs ThinkPad X1 Carbon 20U9005KUS Laptop Comparison

Lenovo ThinkPad X1 Carbon 21CB007BIX and Lenovo ThinkPad X1 Carbon 20U9005KUS are both laptops with the same SSD Capacity (1000 GB), Screen Size (14") and Refresh Rate (60 Hz). The main differences are in better single-core performance (+45%), better multithreading performance (+152%), CPU and CPU Cores.

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Lenovo ThinkPad X1 Carbon 21CB007BIX	Lenovo ThinkPad X1 Carbon 20U9005KUS
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Brand Lenovo	Brand Lenovo
Model 21CB007BIX	Model 20U9005KUS
Release Date -	Release Date 📅 February 2021
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Single-Core Performance (Charts) (0%)	Single-Core Performance (Charts) (-45%)
Workstation Performance (Charts) (0%)	Workstation Performance (Charts) (-152%)
Gaming Performance (Charts) * Performance may vary depending on the OEM's TGP configuration	Gaming Performance (Charts) n/a
Price history View Details ►	Price history View Details ►
CPU Intel i7-1260P	CPU Intel i7-10610U
CPU Cores 12	CPU Cores 4
CPU Clock Rate 2100 MHz	CPU Clock Rate 1800 MHz
CPU Turbo Clock Rate 4700 MHz	CPU Turbo Clock Rate 4900 MHz
RAM Size 32 GB	RAM Size 16 GB
Memory Type LPDDR5	Memory Type LPDDR3
Memory Configuration 1 x 32 GB	Memory Configuration -
GPU Intel Iris Xe Graphics	GPU Intel UHD Graphics
SSD Capacity 1000 GB	SSD Capacity 1000 GB
SSD Type NVMe, PCI Express 4.0	SSD Type -
Screen Size 14"	Screen Size 14"
Resolution 2880 x 1800	Resolution 3840 x 2160
Panel Type OLED	Panel Type IPS
Refresh Rate 60 Hz	Refresh Rate 60 Hz
Front Camera Yes	Front Camera Yes
Front Camera Resolution Full HD	Front Camera Resolution HD
Dimensions 315.6 mm x 222.5 mm x 15.4 mm	Dimensions 323 mm x 217 mm x 14.9 mm
Operating System Windows 11 Pro	Operating System Windows 10 Pro
Weight 1.12 Kg	Weight 1.09 Kg
Battery Capacity 57 Wh	Battery Capacity 51 Wh
USB 3.2 Gen 1 Type A Ports 2	USB 3.2 Gen 1 Type A Ports 2
USB 3.2 Gen 2 Type C Ports -	USB 3.2 Gen 2 Type C Ports 2
Thunderbolt 4 Ports 2	Thunderbolt 4 Ports -
HDMI Ports 1	HDMI Ports 1
HDMI Version -	HDMI Version 1.4b
Fingerprint Reader -	Fingerprint Reader Yes
Wi-Fi Generation 6E	Wi-Fi Generation 6
Keyboard Backlit Yes	Keyboard Backlit Yes

Comparison and key differences summary

Reasons to buy the Lenovo ThinkPad X1 Carbon 21CB007BIX:

Much better single-core performance, around +45% (Intel i7-1260P)
Monstrously better multithreading performance, around +152% (Intel i7-1260P)
8 more cores (Intel i7-1260P)
16 GB more RAM
Higher battery capacity (+6 Wh)
Newer Wi-Fi protocol
+2 Ports Thunderbolt 4