Lenovo ThinkPad T440 vs Dell Latitude E7440 vs Dell Inspiron 7000 E7470 comparison

Show Only Differences Highlight Differences	Lenovo ThinkPad T440	Dell Latitude E7440	Dell Inspiron 7000 E7470
key specs
Display size	14.00-inch	14.00-inch	14.00-inch
Display resolution	1366x768 pixels	-	1366x768 pixels
Touchscreen	No	Yes	No
Processor	Core i7	Core i5	Core i5
RAM	16GB	4GB	8GB
OS	Windows 10	Windows 8	Windows 10 Professional
Hard disk	512GB	No	No
SSD	No	256GB	512GB
Weight	2.30 kg	1.63 kg	1.42 kg
Graphics	-	-	Intel Integrated HD Graphics
general
Brand	Lenovo	Dell	Dell
Model	ThinkPad T440	Latitude E7440	Inspiron 7000 E7470
Model Number	T440	E7440	E7470
Series	ThinkPad	Latitude	Inspiron 7000
Dimensions (mm)	228.60 x 335.28 x 30.40	-	194.00 x 334.90 x 23.20
Weight (kg)	2.3	1.63	1.42
Colours	Black	Black	Black
Operating system	Windows 10	Windows 8	Windows 10 Professional
Battery Cell	6	-	3
Battery Life (up to hours)	-	-	7
display
Size	14.00-inch	14.00-inch	14.00-inch
Resolution	1366x768 pixels	-	1366x768 pixels
Touch Screen	No	Yes	No
processor
Processor	Intel Core i7 4th Gen 4300U	Intel Core i5 4th Gen 4310U	Intel Core i5 6th Gen 6300U
Base Clock Speed	1.9 GHz	-	2.4 GHz
memory
RAM	16GB	4GB	8GB
storage
Hard disk	512GB	No	No
SSD	No	256GB	512GB
connectivity
Wi-Fi standards supported	802.11 a/b/g/n/ac	-	802.11 ac
Bluetooth version	4	-	4.1
Ethernet	-	-	Yes
inputs
Touchpad	Yes	-	-
Internal Mic	Yes	-	-
Speakers	Yes	-	-
Finger Print Sensor	No	No	No
Backlit Keyboard	-	Yes	-
Web Camera	-	-	Yes
ports and slots
Number of USB Ports	3	-	-
Multi Card Slot	SD Card Reader	-	-
Headphone and Mic Combo Jack	Yes	-	-
VGA Port	Yes	-	-
RJ11	-	-	No
graphics
Dedicated Graphic Memory Type	-	DDR3	-
Graphics Processor	-	-	Intel Integrated HD Graphics
Dedicated Graphics	-	-	No

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