Lenovo Thinkpad T520 (4242-AL4) Laptop
|
Dell Inspiron 15z ultrabook
|
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Lenovo T520 (4242-AL4) vs Dell N5523
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Summary
Processor Family
|
Intel Core i7
(2nd Gen)
|
Intel Core i7
(3rd Gen)
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Clock Speed
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2.2 Ghz
|
2.0 Ghz
|
Capacity
|
4 GB RAM
|
8 GB RAM
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RAM Features
|
DDR3
|
DDR3
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Hard Disk
|
500 GB HDD
|
500 GB HDD
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Hard Disk Features
|
SATA
7200 RPM
|
SATA
5400 RPM
|
Display Size
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15.6 inches
(39.62 cm)
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15.9 inches
(40.39 cm)
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Display Features
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LCD Display
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HD WLED Display
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OS
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Windows 7
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Windows 8
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Type
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(64-bit) OS
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(64-bit) OS
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General Information
Brand
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Lenovo
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Dell
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Model
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T520 (4242-AL4)
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N5523
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Thickness
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N/A
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21.0 Millimeter thickness
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Dimensions (WxDxH)
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N/A
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382 x 253 x 21.0 mm
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Weight
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2.2 Kg weight
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2.17 Kg weight
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Colors
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Black
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Silver
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Operating System
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Windows 7 Professional
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Windows 8
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Operating System Type
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64-bit
|
64-bit
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Display Details
Display Size
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15.6 Inches (39.62 cm)
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15.9 Inches (40.39 cm)
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Display Resolution
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1600 x 900 Pixels
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1366 x 768 Pixels
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Pixel Density
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118 ppi
|
99 ppi
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Display Type
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LCD
|
LED
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Display Features
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LCD Display
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HD WLED Display
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Display Touchscreen
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No
|
No
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Performance
Processor
|
Intel Core i7-2720QM
2nd Gen |
Intel Core i7-3537U
3rd Gen |
Clock-speed
|
2.2 Ghz
|
2.0 Ghz
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Chipset
|
Intel HM65 Express
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N/A
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Graphic Processor
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NVIDIA NVS 4200M
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Intel HD 4000
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Graphics Memory
|
1
|
N/A
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Memory
Capacity
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4 GB
|
8 GB
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RAM type
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DDR3
|
DDR3
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Memory Slots
|
2 DIMM
|
N/A
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Expandable Memory
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8 GB
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N/A
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Storage
HDD Capacity
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500 GB
|
500 GB
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HDD Speed(RPM)
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7200 RPM
|
5400 RPM
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HDD type
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SATA
|
SATA
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Battery
Battery Cell
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9 Cell
|
6 Cell
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Battery type
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Li-Ion
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Li-Ion
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Battery Life
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152 Hrs
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N/A
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Networking
Wireless LAN
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802.11 a/g/n
|
802.11 b/g/n
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Wi-Fi Version
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4
|
4
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Bluetooth
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Yes
|
Yes
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Ports
USB 2.0 slots
|
3
|
N/A
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SD Card Reader
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Yes
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Yes
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Ethernet Ports
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N/A
|
1
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Headphone Jack
|
Yes
|
N/A
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Microphone Jack
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Yes
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N/A
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VGA Port
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Yes
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N/A
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Multimedia
Web-cam
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Yes
|
Yes
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Web-cam Resolution
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0.3
|
1 MP
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Secondary cam(Rear-facing)
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No
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No
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Audio Solution
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HD Audio Solution
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HD Audio Solution
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Speakers
|
Stereo speakers
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Stereo speakers
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Peripherals
Optical Drive
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DVD RW Drive
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N/A
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Drive Type
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DVD Writer
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N/A
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Pointing Device
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Touchpad
|
Touchpad
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Keyboard
|
UltraNav Keyboard
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Standard Keyboard
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Others
Warranty
|
3 Years
|
1 Year
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Sales Package
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Laptop Battery AC Adapter User Guide and Manuals
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Laptop Battery AC Adapter User Guide and Manuals
|