Lenovo Z580 (59-333647) vs Dell 15 3521 (3521345002B)

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Summary

Processor Family

Intel Core i5
(3rd Gen)
Intel Core i3
(3rd Gen)

Clock Speed

2.5 Ghz
1.9 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 Display with True Life

OS

Windows 7
Windows 8

Type

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

Expert Review

N/A
7.8/10

Pros

  • Device yet to be reviewed
  • Smooth 120Hz FHD+ display
  • Impressive performance
  • Good daylight cameras
  • Decent battery life

Cons

  • Device yet to be reviewed
  • Lots of third-party apps
  • Brightness could be better
  • No stereo speakers
  • Device yet to be reviewed

User Ratings

3.6/5
(8 ratings)
3.9/5
(28 ratings)

General Information

Brand

Lenovo
Dell

Model

Z580 (59-333647)
15 3521 (3521345002B)

Thickness

35.5 Millimeter thickness
31.3 Millimeter thickness

Dimensions (WxDxH)

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

Weight

2.7 Kg weight
2.35 Kg weight

Colors

Grey
Black

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 Display with True Life

Display Touchscreen

No
Yes

Performance

Processor

Intel Core i5-3210M

3rd Gen
Intel Core i3-3227U

3rd Gen

Clock-speed

2.5 Ghz
1.9 Ghz

Chipset

Intel B75 Express
Intel HM76 Express

Graphic Processor

Intel HD 4000
AMD Radeon HD 8730M

Graphics Memory

N/A
2

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
8 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

Ports

USB 3.0 slots

1
2

USB 2.0 slots

2
2

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

Sound Technologies

N/A
Waves MaxxAudio 4

In-built Microphone

Yes
Yes

Microphone Type

N/A
Digital Microphone

Peripherals

Optical Drive

DVD RW Drive
Tray-load DVD RW Drive

Drive Type

DVD Writer
DVD Writer

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