Comparisons / Comparison of Lenovo ThinkPad X390 (20Q0004BCA) and Lenovo Yoga C640 (81XL0008GE)

Comparison of Lenovo ThinkPad X390 (20Q0004BCA) and Lenovo Yoga C640 (81XL0008GE) [S]ave

Attribute
Lenovo ThinkPad X390 (20Q0004BCA) ×
Lenovo Yoga C640 (81XL0008GE) ×
General
ModelLenovo ThinkPad X390Lenovo Yoga C640
Product code20Q0004BCA81XL0008GE
Design
Product colourBlackGrey
Form factorClamshellConvertible (Folder)
BrandLenovoLenovo
FamilyThinkPadYoga
SeriesXC
Model nameX390C640
Part number20Q0004BCA81XL0008GE
Release year (year)20192019
Processor
Processor family8th gen Intel Core i710th gen Intel Core i7
Processor frequency (GHz)1.91.8
Processor boost frequency (GHz)4.84.9
Processor modeli7-8665Ui7-10510U
Processor cores44
Processor cache (MB)88
Memory
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Maximum internal memory (GB)1616
Memory clock speed (MHz)2,4002,400
Internal memory (GB)1616
Display
Display diagonal (inch)13.313.3
Panel typeIPSIPS
HD typeFull HDFull HD
LED backlight++
Touchscreen-+
Dual-screen--
Display resolution1920 x 1080 pixels1920 x 1080 pixels
Graphics
On-board graphics adapter++
Discrete graphics adapter--
On-board graphics adapter modelIntel UHD Graphics 620Intel UHD Graphics
Storage
Total storage capacity (GB)512512
Number of SSDs installed11
SSD capacity (GB)512512
Card reader integrated+-
Storage mediaSSDSSD
Optical drive--
Networking
Wi-Fi standards
  • wi-fi 5 (802.11ac)
  • wi-fi 5 (802.11ac)
Bluetooth++
Ethernet LAN--
Wi-Fi++
4g++
3g++
Bluetooth version5.05.0
Ports and interfaces
USB 3.x Type-A ports22
USB 3.x Type-C ports11
Combo headphone/mic port++
USB Sleep-and-Charge+-
HDMI ports quantity1-
Audio
Speaker power (W)12
Built-in microphone-+
Camera
Front camera++
Front camera HD typeHDHD
Keyboard
Numeric keypad--
Keyboard backlit++
Pointing deviceThinkPad UltraNavTouchpad
Software
Operating system installedWindows 10 ProWindows 10 Home
Operating system architecture (bit)6464
Battery
Battery capacity (watt-hours) (Wh)4860
Battery life (max) (h)17.620
Weight and dimensions
Weight (kg)1.291.35
Height (mm)16.916.9
Depth (mm)217204.5
Width (mm)312306
Power
AC adapter power (W)6545
Security
Cable lock slot+-
Fingerprint reader++
Trusted platform module (TPM)++



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