Dell 2520 vs Dell 15R 5521

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Summary

Processor Family

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

Clock Speed

2.2 Ghz
2.7 Ghz

Capacity

2 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3
1600 Mhz

Hard Disk

500 GB HDD
1 TB 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 Anti-Glare Display
HD LED Display with True Life

OS

Linux
Windows 8

Type

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

User Ratings

4.2/5
(45 ratings)
5/5
(4 ratings)

General Information

Brand

Dell
Dell

Model

2520
15R 5521

Thickness

34.5 Millimeter thickness
25.3 Millimeter thickness

Dimensions (WxDxH)

376 x 260 x 34.5  mm
376 x 259 x 25.3  mm

Weight

2.36 Kg weight
2.3 Kg weight

Colors

Grey
Fire Red

Operating System

Linux
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 WLED Anti-Glare Display
HD LED Display with True Life

Display Touchscreen

No
No

Performance

Processor

Intel Core i3-2328M

2nd Gen
Intel Core i5-3337U

3rd Gen

Clock-speed

2.2 Ghz
2.7 Ghz

Chipset

Intel HM75 Express
Intel HM76 Express

Graphic Processor

Intel HD 3000
AMD Radeon HD 8730M

Graphics Memory

N/A
2

Memory

Capacity

2 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

N/A
1600 Mhz

Memory Slots

2 DIMM
2 DIMM

Expandable Memory

8 GB
8 GB

Storage

HDD Capacity

500 GB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
4 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

4.0
4.0

Other Networking Options

N/A
Multi Card Slot : 8-in-1 Card Reader

Ports

USB 3.0 slots

N/A
2

USB 2.0 slots

3
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

Video Recording

1080p HD
N/A

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

Digital Microphone
Digital Microphone

Peripherals

Optical Drive

DVD RW Drive
Tray-load DVD RW Drive

Drive Type

DVD Writer
DVD Writer

Optical Read

8x
N/A

Optical Write

8x
N/A

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Others

Warranty

3 Years
1 Year

Lockport

N/A
Yes

Sales Package

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