Lenovo ThinkPad X1 2-in-1 Gen 9 21KE0038IX vs ThinkPad X1 Carbon Gen 9 20XW004NUS Laptop Comparison

Lenovo ThinkPad X1 2-in-1 Gen 9 21KE0038IX and Lenovo ThinkPad X1 Carbon Gen 9 20XW004NUS are both laptops with the same CPU Turbo Clock Rate (4800 MHz), RAM Size (16 GB) and SSD Capacity (512 GB). The main differences are in better single-core performance (+20%), better multithreading performance (+62%), CPU and CPU Cores.

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Lenovo ThinkPad X1 2-in-1 Gen 9 21KE0038IX	Lenovo ThinkPad X1 Carbon Gen 9 20XW004NUS
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Brand Lenovo	Brand Lenovo
Model 21KE0038IX	Model 20XW004NUS
Release Date -	Release Date 📅 June 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) (-20%)
Workstation Performance (Charts) (0%)	Workstation Performance (Charts) (-62%)
Gaming Performance (Charts) n/a	Gaming Performance (Charts) * Performance may vary depending on the OEM's TGP configuration
Price history View Details ►	Price history View Details ►
CPU Intel Core Ultra 7 155U	CPU Intel i7-1185G7
CPU Cores 12	CPU Cores 4
CPU Clock Rate 1700 MHz	CPU Clock Rate 3000 MHz
CPU Turbo Clock Rate 4800 MHz	CPU Turbo Clock Rate 4800 MHz
RAM Size 16 GB	RAM Size 16 GB
Memory Type LPDDR5x	Memory Type LPDDR4x
GPU Intel Graphics	GPU Intel Iris Xe Graphics
SSD Capacity 512 GB	SSD Capacity 512 GB
SSD Type PCI Express 4.0	SSD Type NVMe,PCI Express
Screen Size 14"	Screen Size 14"
Resolution 1920 x 1200	Resolution 3840 x 2400
Panel Type IPS	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 312.8 mm x 217.7 mm x 15.5 mm	Dimensions 315 mm x 221.6 mm x 14.9 mm
Operating System Windows 11 Pro	Operating System Windows 10 Pro
Weight 1.35 Kg	Weight 1.13 Kg
Battery Capacity 57 Wh	Battery Capacity 57 Wh
USB 3.2 Gen 1 Type A Ports 2	USB 3.2 Gen 1 Type A Ports 2
USB 4 Gen 3x2 Ports -	USB 4 Gen 3x2 Ports 2
Thunderbolt 4 Ports 2	Thunderbolt 4 Ports -
HDMI Ports 1	HDMI Ports 1
HDMI Version 2.1	HDMI Version 2.0
Fingerprint Reader Yes	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 2-in-1 Gen 9 21KE0038IX:

Moderately better single-core performance, around +20% (Intel Core Ultra 7 155U)
Hugely better multithreading performance, around +62% (Intel Core Ultra 7 155U)
8 more cores (Intel Core Ultra 7 155U)
Newer Wi-Fi protocol
+2 Ports Thunderbolt 4