Dell 15R 5521 vs Lenovo Z510 (59-398016)

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Summary

Processor Family

Intel Core i3
(3rd Gen)
Intel Core i7
(4th Gen)

Clock Speed

1.9 Ghz
2.2 Ghz

Capacity

6 GB RAM
8 GB RAM

RAM Features

DDR3
DDR3

Hard Disk

500 GB HDD
1 TB HDD
8 GB SSD

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 Touch Display with True Life
HD Anti-glare Display with LED Backlit

OS

Windows 8
Windows 8.1

Type

N/A
(64-bit) OS

User Ratings

4.5/5
(10 ratings)
4.2/5
(118 ratings)

General Information

Brand

Dell
Lenovo

Model

15R 5521
Z510 (59-398016)

Thickness

33.9 Millimeter thickness
N/A

Dimensions (WxDxH)

376 x 259 x 33.9  mm
N/A

Weight

2.3 Kg weight
2.7 Kg weight

Colors

Moon Silver
Dark Chocolate

Operating System

Windows 8
Windows 8.1

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 LED Touch Display with True Life
HD Anti-glare Display with LED Backlit

Display Touchscreen

Yes
No

Performance

Processor

Intel Core i3-3227U

3rd Gen
Intel Core i7-4702MQ

4th Gen

Clock-speed

1.9 Ghz
2.2 Ghz

Chipset

N/A
Intel HM87 Express

Graphic Processor

Intel HD 4000
NVIDIA N14P-GV2

Graphics Memory

N/A
2 GB

Memory

Capacity

6 GB
8 GB

RAM type

DDR3
DDR3

Memory Slots

2
2

Expandable Memory

N/A
8 GB

Memory Layout

N/A
2 x 4 Gigabyte

Storage

HDD Capacity

500 GB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

SSD Capacity

N/A
8 GB

Battery

Battery Cell

6 Cell
4 Cell

Battery type

N/A
Li-Ion

Power Supply

65 W AC Adapter W
48 W AC Adapter W

Networking

Wireless LAN

802.11 b/g/n
N/A

Wi-Fi Version

4
N/A

Bluetooth

Yes
Yes

Ports

USB 3.0 slots

2
N/A

USB 2.0 slots

2
N/A

SD Card Reader

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

N/A
1.0 MP

Secondary cam(Rear-facing)

No
No

Speakers

Stereo Speakers
JBL Speakers

Sound Technologies

N/A
Dolby Home Theatre v4

In-built Microphone

Yes
Yes

Microphone Type

N/A
Array Microphone

Peripherals

Optical Drive

Tray-load DVD RW Drive
DVD RW Drive

Drive Type

DVD Writer
DVD Writer

Pointing Device

TouchPad
Touchpad

Keyboard

Standard Keyboard
AccuType Keyboard

Backlit Keyboard

N/A
Yes

Others

Warranty

1 Year
1 Year

Sales Package

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