HP 4540s (B8Z31PA) vs Dell 15R 3521

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Summary

Processor Family

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

Clock Speed

2.5 Ghz
1.8 Ghz

Capacity

8 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
7200 RPM
SATA
5400 RPM

Display Size

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

Display Features

High-Definition LED Anti-Glare Display
LED Backlit Display with Truelife

OS

DOS
Windows 8

Type

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

User Ratings

4.5/5
(58 ratings)
N/A

General Information

Brand

HP
Dell

Model

4540s (B8Z31PA)
15R 3521

Thickness

28 Millimeter thickness
31.3 Millimeter thickness

Dimensions (WxDxH)

375 x 256 x 28  mm
376 x 259 x 31.3  mm

Weight

2.3 Kg weight
2.3 Kg weight

Colors

Anodized Aluminum
Silver

Operating System

DOS
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

High-Definition LED Anti-Glare Display
LED Backlit Display with Truelife

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-3210M

3rd Gen
Intel Core i3-3217U

3rd Gen

Clock-speed

2.5 Ghz
1.8 Ghz

Chipset

Intel B75 Express
Intel HM76 Express

Graphic Processor

Intel HD 4000
Intel HD 4000

Graphics Memory

N/A
2 GB

Memory

Capacity

8 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

1333 Mhz
1600 Mhz

Memory Slots

2 SODIMM
2

Expandable Memory

16 GB
8 GB

Memory Layout

N/A
1 x 4 Gigabyte

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

7200 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W
N/A

Battery Life

7 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

N/A
4.0

Ports

USB 3.0 slots

2
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
N/A

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

N/A
1.0 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Stereo speakers
Stereo speakers

Sound Technologies

SRS Premium Sound
Waves MaxxAudio 4

In-built Microphone

Yes
Yes

Microphone Type

Digital Microphone
Digital Microphone

Peripherals

Optical Drive

LightScribe SuperMulti Drive with Dual Layer Support
DVD RW Drive with Dual Layer Support

Drive Type

N/A
DVD Writer

Pointing Device

Touchpad
Touchpad with Multi-touch Gesture Support

Keyboard

Standard Keyboard with Numeric Keypad
Spill-resistant keyboard

Fingerprint Scanner

N/A
No

Others

Warranty

1 Year
1 Year

Lockport

Yes
Yes

Sales Package

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