Dell 15 3521 vs Lenovo Z570 (59-304243)

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Summary

Processor Family

Intel Core i3
(3rd Gen)
Intel Core i3
(2nd Gen)

Clock Speed

1.8 Ghz
2.1 Ghz

Capacity

4 GB RAM
3 GB RAM

RAM Features

DDR3
1600 Mhz
DDR3

Hard Disk

500 GB HDD
750 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 WLED Display
HD LED Glare Display

OS

Linux
Windows 7

Type

N/A
(64-bit) OS

User Ratings

3.8/5
(11 ratings)
N/A

General Information

Brand

Dell
Lenovo

Model

15 3521
Z570 (59-304243)

Thickness

31.3 Millimeter thickness
35.5 Millimeter thickness

Dimensions (WxDxH)

376 x 259 x 31.3  mm
376 x 250 x 35.5  mm

Weight

2.25 Kg weight
2.6 Kg weight

Colors

Black Matte
Grey

Operating System

Linux
Windows 7 Home Basic

Operating System Type

N/A
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 WLED Display
HD LED Glare Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i3-3217U

3rd Gen
Intel Core i3-2310M

2nd Gen

Clock-speed

1.8 Ghz
2.1 Ghz

Chipset

Intel HM76 Express
Intel HM65 Express

Graphic Processor

AMD Radeon 7670M
Nvidia GeForce GT 520M

Graphics Memory

1
1

Memory

Capacity

4 GB
3 GB

RAM type

DDR3
DDR3

RAM speed

1600 Mhz
N/A

Memory Slots

2 DIMM
2 DIMM

Expandable Memory

8 GB
8 GB

Storage

HDD Capacity

500 GB
750 GB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

4 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

N/A
65 W

Battery Life

8 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

4.0
2.1

Other Networking Options

Multi Card Slot : 8-in-1 Card Reader HDMI v1.4
N/A

Ports

USB 3.0 slots

2
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

N/A
2 MP

Video Recording

1
N/A

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Stereo speakers
Stereo speakers

Sound Technologies

Waves MaxxAudio 4
N/A

In-built Microphone

Yes
Yes

Microphone Type

Digital Microphone
N/A

Peripherals

Optical Drive

DVD RW Drive with Dual Layer Support
Tray-in Rambo drive

Drive Type

DVD Writer
N/A

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Fingerprint Scanner

No
N/A

Others

Warranty

1 Year
1 Year

Lockport

Yes
N/A

Sales Package

Laptop Battery AC Adapter User Guides and Manuals
LaptopBatteryAC AdapterUser guide and Manuals