Lenovo Z580 (59-333647) vs Dell 2520

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Summary

Processor Family

Intel Core i5
(3rd Gen)
Intel Core i5
(3rd Gen)

Clock Speed

2.5 Ghz
2.6 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
1333 Mhz
DDR3
1600 Mhz

Hard Disk

500 GB HDD
500 GB HDD

Hard Disk Features

SATA
5400 RPM
SATA
5400 RPM

Display Size

15.6 inches
(39.62 cm)
15.6 inches
(39.62 cm)

Display Features

HD LED Display
HD LED Anti-Glare Display

OS

Windows 7
Windows 8

Type

(64-bit) OS
(64-bit) OS

User Ratings

3.6/5
(8 ratings)
4.2/5
(128 ratings)

General Information

Brand

Lenovo
Dell

Model

Z580 (59-333647)
2520

Thickness

35.5 Millimeter thickness
34.5 Millimeter thickness

Dimensions (WxDxH)

376 x 250 x 35.5  mm
376 x 260 x 34.5  mm

Weight

2.7 Kg weight
2.36 Kg weight

Colors

Grey
Grey

Operating System

Windows 7 Home Basic
Windows 8

Operating System Type

64-bit
64-bit

Display Details

Display Size

15.6 Inches  (39.62 cm)
15.6 Inches  (39.62 cm)

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

100 ppi
100 ppi

Display Type

LED
LED

Display Features

HD LED Display
HD LED Anti-Glare Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-3210M

3rd Gen
Intel Core i5-3230M

3rd Gen

Clock-speed

2.5 Ghz
2.6 Ghz

Chipset

Intel B75 Express
Intel B75 Express

Graphic Processor

Intel HD 4000
Intel HD 4000

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

1333 Mhz
1600 Mhz

Memory Slots

2 DIMM
2 DIMM

Expandable Memory

8 GB
8 GB

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W
65 W

Battery Life

3 Hrs
3 Hrs

Networking

Wireless LAN

802.11 b/g/n
802.11 b/g/n

Wi-Fi Version

4
4

Bluetooth

Yes
Yes

Bluetooth Version

N/A
4.0

Other Networking Options

N/A
Multi Card Slot : 3-in-1 Card Reader

Ports

USB 3.0 slots

1
N/A

USB 2.0 slots

2
3

SD Card Reader

Yes
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

1 MP
1 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Stereo speakers
Stereo speakers

In-built Microphone

Yes
Yes

Microphone Type

N/A
Digital Microphone

Peripherals

Optical Drive

DVD RW Drive
DVD RW Drive

Drive Type

DVD Writer
DVD Writer

Optical Read

N/A
8x

Optical Write

N/A
8x

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard with Numeric Keypad
Standard Keyboard

Others

Warranty

1 Year
1 Year

Sales Package

Laptop Battery AC Adapter User Guide and Manuals
Laptop Battery AC Adapter User Guide and Manuals