Dell 15 5578 (i5578-2550GRY) vs Dell 15 5568 (A557501WIN9)

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Summary

Processor Family

Intel Core i7
(7th Gen)
Intel Core i7
(7th Gen)

Clock Speed

2.7 Ghz
3.0 Ghz

Capacity

8 GB RAM
8 GB RAM

RAM Features

DDR4
2400 Mhz
DDR4
2133 Mhz

Hard Disk

1 TB 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

Full HD LED Backlit Wide Viewing Angles Truelife Touch Display
Anti Glare Full HD LED-Backlit Display

OS

Windows 10
Windows 10

Type

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

User Ratings

3.1/5
(31 ratings)
N/A

General Information

Brand

Dell
Dell

Model

15 5578 (i5578-2550GRY)
15 5568 (A557501WIN9)

Thickness

20.4 Millimeter thickness
19.2 Millimeter thickness

Dimensions (WxDxH)

324 x 224 x 20.4  mm
380 x 252.5 x 19.2  mm

Weight

1.6 Kg weight
2.1 Kg weight

Colors

Grey
Grey

Operating System

Windows 10
Windows 10 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

1920 x 1080 Pixels
1920 x 1080 Pixels

Pixel Density

141 ppi
141 ppi

Display Type

LED
LED

Display Features

Full HD LED Backlit Wide Viewing Angles Truelife Touch Display
Anti Glare Full HD LED-Backlit Display

Display Touchscreen

Yes
No

Performance

Processor

Intel Core i7-7500U

7th Gen
Intel Core i5-7200U

7th Gen

Clock-speed

2.7 Ghz
3.0 Ghz

Graphic Processor

Intel HD 520
NVIDIA GeForce 940MX

Graphics Memory

N/A
2 GB

Memory

Capacity

8 GB
8 GB

RAM type

DDR4
DDR4

RAM speed

2400 Mhz
2133 Mhz

Memory Slots

N/A
1

Expandable Memory

N/A
16 GB

Memory Layout

1 x 8 Gigabyte
1 x 8 Gigabyte

Storage

HDD Capacity

1 TB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

3 Cell
3 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

N/A
42 W AC Adapter W

Networking

Wireless LAN

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

Wi-Fi Version

5
5

Bluetooth

Yes
Yes

Bluetooth Version

4.0
4.2

Other Networking Options

SD Card Reader
Multi-Format SD Media Card Reader

Ports

USB 3.0 slots

2
2

USB 2.0 slots

1
1

SD Card Reader

Yes
Yes

Ethernet Ports

N/A
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

N/A
Yes

Multimedia

Web-cam

Yes
Yes

Video Recording

720p HD
HD 720p

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
N/A

Speakers

2 Tuned Speakers
Dual Speakers

Sound Technologies

Waves MaxxAudio Pro
Waves MaxxAudio Pro

In-built Microphone

Yes
Yes

Microphone Type

N/A
Internal Microphone

Peripherals

Pointing Device

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

Keyboard

Full size keyboard
Standard Notebook Keyboard

Fingerprint Scanner

No
Yes

Others

Warranty

1 Year
1 Year

Lockport

N/A
No

Sales Package

2-in-1 Laptop Battery AC Adapter User Guide
Laptop Battery AC Adapter User Guide