Lenovo Legion 9i (18”, 10) vs Lenovo ThinkPad X1 Extreme Gen 4 comparison

Compare Lenovo Legion 9i (18”, 10)
Compare Lenovo ThinkPad X1 Extreme Gen 4
key specs
Display size18.00-inch16.00-inch
Display resolution3840x2400 pixels-
ProcessorIntel Core Ultra 9-
RAM64GB-
OSWindows 11 ProWindows 10 Professional
Hard diskNoNo
SSD2TB-
GraphicsNvidia GeForce RTX 5090-
Weight3.50 kg1.82 kg
general
BrandLenovoLenovo
ModelLegion 9i (18”, 10)ThinkPad X1 Extreme Gen 4
Release dateMay 8, 2025June 23, 2021
Launched in IndiaNo-
Model Name9iThinkPad X1 Extreme Gen 4
SeriesLegionThinkPad X1
Dimensions (mm)403.00 x 296.50 x 23.90253.80 x 359.50 x 17.70
Weight (kg)3.51.82
ColoursCarbon Black-
MaterialAluminium-
Operating systemWindows 11 ProWindows 10 Professional
Battery Capacity (WHR)99.9990
display
Size18.00-inch16.00-inch
Resolution3840x2400 pixels-
Refresh Rate240Hz-
processor
ProcessorIntel Intel Core Ultra 9 275HX-
memory
RAM64GB-
RAM Slots4-
graphics
Dedicated GraphicsYesNo
Graphics ProcessorNvidia GeForce RTX 5090-
Dedicated Graphic Memory24GB-
Dedicated Graphic Memory TypeGDDR7-
storage
Hard diskNoNo
SSD2TB-
connectivity
Wi-Fi 7Yes-
Bluetooth version5.45.2
EthernetRJ45-
Wi-Fi standards supported-802.11 ac/ax
inputs
Web Camera5-megapixelYes
Pointer DeviceTouchpad-
Backlit KeyboardYesYes
TouchpadYesYes
Internal MicYesYes
SpeakersYesYes
ports and slots
Thunderbolt 5 (Type C)2-
Number of USB Ports64
USB 3.2 Gen 2 (Type C)1-
HDMI PortYesYes
Multi Card SlotSD Card ReaderSD Card Reader
Headphone and Mic Combo JackYesYes
RJ45 (LAN)Yes-
USB 3.2 Gen 1 (Type A)-2
Thunderbolt 4 (Type C)-2

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