Lenovo Z51-70 (80K60021IN) vs Dell 15 5559 (i5559-4413SLV)

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Summary

Processor Family

Intel Core i5
(5th Gen)
Intel Core i5
(6th Gen)

Clock Speed

2.2 Ghz
2.3 Ghz

Capacity

8 GB RAM
8 GB RAM

RAM Features

DDR3
1600 Mhz
DDR3
1600 Mhz

Hard Disk

1 TB HDD
8 GB SSD
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

Full HD TN GL
(Slim) Display
LED Backlit On-cell Touch Display with Truelife

OS

Windows 8.1
Windows 10

Type

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

User Ratings

4.2/5
(16 ratings)
2.9/5
(73 ratings)

General Information

Brand

Lenovo
Dell

Model

Z51-70 (80K60021IN)
15 5559 (i5559-4413SLV)

Thickness

24.6 Millimeter thickness
24.1 Millimeter thickness

Dimensions (WxDxH)

384 x 265 x 24.6  mm
378 x 260 x 24.1  mm

Weight

2.3 Kg weight
2.4 Kg weight

Colors

Black
Silver

Operating System

Windows 8.1
Windows 10

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

1920 x 1080 Pixels
1366 x 768 Pixels

Pixel Density

141 ppi
100 ppi

Display Type

LED
LED

Display Features

Full HD TN GL(Slim) Display
LED Backlit On-cell Touch Display with Truelife

Display Touchscreen

No
Yes

Performance

Processor

Intel Core i5-5200U

5th Gen
Intel Core i5-6200U

6th Gen

Clock-speed

2.2 Ghz
2.3 Ghz

Graphic Processor

AMD TROPO XT2
AMD Radeon R5 M335

Graphics Memory

4 GB
4 GB

Memory

Capacity

8 GB
8 GB

RAM type

DDR3
DDR3

RAM speed

1600 Mhz
1600 Mhz

Memory Slots

2 DIMM
2 DIMM

Expandable Memory

16 GB
16 GB

Memory Layout

1 x 8 Gigabyte
2 x 4 Gigabyte

Storage

HDD Capacity

1 TB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

SSD Capacity

8 GB
N/A

Battery

Battery Cell

4 Cell
4 Cell

Battery type

Li-Ion
Li-Po

Power Supply

41 W AC Adapter W
40 W AC Adapter

Battery Life

4 Hrs
N/A

Networking

Wireless LAN

802.11 b/g/n
802.11 a/b/g/n/ac

Wi-Fi Version

4
5

Bluetooth

Yes
Yes

Bluetooth Version

4.0
4.0

Other Networking Options

1 DC-in
N/A

Ports

USB 3.0 slots

2
1

USB 2.0 slots

1
2

SD Card Reader

Yes
Yes

Ethernet Ports

N/A
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

1.0 MP
N/A

Video Recording

720p HD
N/A

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

2 x 2.5 W JBL stereo speakers
Stereo speakers

Sound Technologies

Dolby DS 1.0 Home Theater
Waves MaxxAudio

In-built Microphone

Yes
Yes

Microphone Type

Array Microphone
N/A

Peripherals

Optical Drive

9.0MM Super Multi (Tray In)
DVD R/RW

Drive Type

N/A
DVD Writer

Pointing Device

Touchpad with Multi-touch Gesture support
Touchpad with Multi-touch Gesture support

Keyboard

AccuType keyboard
N/A

Backlit Keyboard

Yes
Yes

Fingerprint Scanner

No
No

Others

Warranty

1 Year
1 Year

Sales Package

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