Lenovo ThinkPad X280 vs Lenovo B40 30 comparison

Show Only Differences Highlight Differences	Lenovo ThinkPad X280	Lenovo B40 30
key specs
Display size	12.50-inch	13.86-inch
Display resolution	1920x1080 pixels	1366x768 pixels
Processor	Core i7	Pentium Quad Core
RAM	16GB	4GB
OS	Windows 10 Professional	Windows 8.1
Hard disk	No	500GB
SSD	No	No
Graphics	Intel HD Graphics 620	Intel Integrated HD Graphics 4000
Weight	2.49 kg	2.15 kg
Touchscreen	-	No
general
Brand	Lenovo	Lenovo
Model	ThinkPad X280	B40 30
Model Number	X280	B40 30
Series	ThinkPad	B series
Dimensions (mm)	307.70 x 209.80 x 17.40	340.00 x 247.00 x 24.50
Weight (kg)	2.49	2.15
Colours	Black	-
Operating system	Windows 10 Professional	Windows 8.1
Battery Cell	-	4
Battery Life (up to hours)	-	4
display
Size	12.50-inch	13.86-inch
Resolution	1920x1080 pixels	1366x768 pixels
Touch Screen	-	No
processor
Processor	Intel Core i7 8th Gen	Intel Pentium Quad Core 4th Gen N3540
Base Clock Speed	-	2.16 GHz
Burst Clock Speed	-	2.66 GHz
Cache	-	2MB
memory
RAM	16GB	4GB
RAM Slots	-	2
Expandable RAM up to (GB)	-	8GB
graphics
Graphics Processor	Intel HD Graphics 620	Intel Integrated HD Graphics 4000
Dedicated Graphic Memory Type	DDR4	-
Dedicated Graphics	No	No
storage
Hard disk	No	500GB
SSD	No	No
connectivity
Bluetooth version	4.2	4
Ethernet	Yes	Gigabit Ethernet
Wi-Fi standards supported	-	802.11 ac
inputs
Web Camera	Yes	Yes
Speakers	Yes	Yes
Finger Print Sensor	Yes	-
Pointer Device	-	Touchpad
Internal Mic	-	Yes
Optical Disk Drive	-	CD/DVD Writer
ports and slots
Number of USB Ports	2	-
USB Ports	2 x USB 3.0	-
HDMI Port	Standard	-
Multi Card Slot	SD Card Reader	4 in 1 Card Reader
RJ45 (LAN)	Yes	Yes
VGA Port	-	Yes
RJ11	-	Yes

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