Dell 1540 vs Dell 15 5578 (i5578-2451GRY)

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Summary

Processor Family

Intel Core i3
(1st Gen)
Intel Core i5
(7th Gen)

Clock Speed

2.4 Ghz
2.5 Ghz

Capacity

2 GB RAM
8 GB RAM

RAM Features

DDR3
DDR4
2133 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
Full HD LED Backlit Wide Viewing Angles Truelife Touch Display

OS

DOS
Windows 10

Type

N/A
(64-bit) OS

User Ratings

N/A
3.7/5
(33 ratings)

General Information

Brand

Dell
Dell

Model

1540
15 5578 (i5578-2451GRY)

Thickness

34.5 Millimeter thickness
20.4 Millimeter thickness

Dimensions (WxDxH)

376 x 260 x 34.5  mm
324 x 224 x 20.4  mm

Weight

2.3 Kg weight
1.6 Kg weight

Colors

Black
Grey

Operating System

DOS
Windows 10

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
1920 x 1080 Pixels

Pixel Density

100 ppi
141 ppi

Display Type

LED
LED

Display Features

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

Display Touchscreen

No
Yes

Performance

Processor

Intel Core i3-380M

1st Gen
Intel Core i5-7200U

7th Gen

Clock-speed

2.4 Ghz
2.5 Ghz

Chipset

Intel HM57 Express
N/A

Graphic Processor

Intel HD Graphics
Intel HD 620

Memory

Capacity

2 GB
8 GB

RAM type

DDR3
DDR4

RAM speed

N/A
2133 Mhz

Memory Slots

2
2 DIMM

Expandable Memory

N/A
16 GB

Memory Layout

1 x 2 Gigabyte
1 x 8 Gigabyte

Storage

HDD Capacity

500 GB
1 TB

HDD Speed(RPM)

5400 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
3 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W AC Adapter W
N/A

Battery Life

3 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

3.0
4.0

Other Networking Options

N/A
SD Card Reader

Ports

USB 3.0 slots

N/A
2

USB 2.0 slots

3
1

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

1.3 MP
N/A

Video Recording

N/A
720p HD

Secondary cam(Rear-facing)

No
No

Audio Solution

N/A
HD Audio Solution

Speakers

2 x 2W Stereo Speakers
2 Tuned Speakers

Sound Technologies

N/A
Waves MaxxAudio Pro

In-built Microphone

Yes
Yes

Microphone Type

Digital Microphone
Internal Microphone

Peripherals

Optical Drive

8X DVD+/-RW
N/A

Drive Type

DVD Writer
N/A

Pointing Device

Touchpad
Touchpad with Multi-touch Gestures support

Keyboard

Standard Keyboard
Full size keyboard

Fingerprint Scanner

N/A
No

Others

Warranty

3 Years
1 Year

Sales Package

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