Dell 15R 7520 vs Dell 15R 5520

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Summary

Processor Family

Intel Core i5
(3rd Gen)
Intel Core i3
(2nd Gen)

Clock Speed

2.5 Ghz
2.4 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3

Hard Disk

1 TB 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 HP Brightview Display
HD WLED True-Life Display

OS

Windows 8
Windows 7

Type

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

General Information

Brand

Dell
Dell

Model

15R 7520
15R 5520

Thickness

28.2 Millimeter thickness
30.0 Millimeter thickness

Dimensions (WxDxH)

345 x 238 x 28.2  mm
347 x 240 x 30.0  mm

Weight

2.7 Kg weight
2.7 Kg weight

Colors

Silver
Silver

Operating System

Windows 8
Windows 7 Home Basic

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 HP Brightview Display
HD WLED True-Life Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-3210M

3rd Gen
Intel Core i3-2370M

2nd Gen

Clock-speed

2.5 Ghz
2.4 Ghz

Chipset

Intel HM77 Express
Intel HM77 Express

Graphic Processor

Intel HD 4000
AMD Radeon HD 7670M

Graphics Memory

2 GB
1 GB

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

Memory Slots

2
2 DIMM

Expandable Memory

8 GB
8 GB

Memory Layout

1 x 4 Gigabyte
1 x 4 Gigabyte

Storage

HDD Capacity

1 TB
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

90 W AC Adapter W
N/A

Battery Life

6 Hrs
N/A

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
4.0

Ports

USB 3.0 slots

3
N/A

USB 2.0 slots

N/A
4

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

1.0 MP
1.0 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

N/A
HD Audio Solution

Speakers

Skullcandy Speakers
Stereo Speakers

Sound Technologies

Waves MaxxAudio 4
Waves MaxxAudio

In-built Microphone

Yes
Yes

Microphone Type

Digital Microphone
Digital Microphone

Peripherals

Optical Drive

Super Multi Dual Layer Drive
DVD RW Drive

Drive Type

N/A
DVD Writer

Pointing Device

Touchpad with Multi-touch Gesture Support
Touchpad with Multi-touch Gestures Support

Keyboard

Chiclet Keyboard
Standard keyboard

Fingerprint Scanner

No
No

Others

Warranty

1 Year
1 Year

Sales Package

Laptop Battery AC Adapter User Guide
Laptop Battery AC Adapter User Guide