Dell 13 (XPS1378256iAT) vs Lenovo X240 (20AMA1XM00)

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Summary

Processor Family

Intel Core i7
(5th Gen)
Intel Core i3
(4th Gen)

Clock Speed

2.4 Ghz
1.7 Ghz

Capacity

8 GB RAM
4 GB RAM

RAM Features

DDR3
1600 Mhz
DDR3

Hard Disk

256 GB SSD
500 GB HDD

Hard Disk Features

N/A
SATA
7200 RPM

Display Size

13.0 inches
(33.02 cm)
12.5 inches
(31.75 cm)

Display Features

UltraSharp QHD infinity touch display
HD LED Anti-Glare Display

OS

Windows 8.1
DOS

Type

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

User Ratings

N/A
3.7/5
(6 ratings)

General Information

Brand

Dell
Lenovo

Model

13 (XPS1378256iAT)
X240 (20AMA1XM00)

Thickness

15.0 Millimeter thickness (Slim)
20.3 Millimeter thickness

Dimensions (WxDxH)

304 x 200 x 15.0  mm
305 x 208 x 20.3  mm

Weight

1.26 Kg weight (Light-weight)
1.3 Kg weight (Light-weight)

Colors

Silver
Black

Operating System

Windows 8.1
DOS

Operating System Type

64-bit
64-bit

Display Details

Display Size

13.0 Inches  (33.02 cm)
12.5 Inches  (31.75 cm)

Display Resolution

3200 x 1800 Pixels
1366 x 768 Pixels

Pixel Density

282 ppi
125 ppi

Display Type

LED
LED

Display Features

UltraSharp QHD infinity touch display
HD LED Anti-Glare Display

Display Touchscreen

Yes
No

Performance

Processor

Intel Core i7-5500U

5th Gen
Intel Core i3-4010U

4th Gen

Clock-speed

2.4 Ghz
1.7 Ghz

Chipset

N/A
Intel HM87 Express

Graphic Processor

Intel HD 5500
Intel HD 4400

Memory

Capacity

8 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

1600 Mhz
N/A

Memory Slots

2 DIMM
1 DIMM

Memory Layout

1 x 8 Gigabyte
1 x 4 Gigabyte

Storage

HDD Capacity

N/A
500 GB

HDD Speed(RPM)

N/A
7200 RPM

HDD type

N/A
SATA

SSD Capacity

256 GB
N/A

Battery

Battery Cell

4 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

45 W AC Adapter W
N/A

Battery Life

15 Hrs
9 Hrs

Networking

Wireless LAN

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

Wi-Fi Version

5
4

Bluetooth

Yes
Yes

Bluetooth Version

4.0
4.0

Other Networking Options

1 x Mini Display port
SD Card reader Express Card Slot 34 mm 3.5 mm Audio Port 1 x Mini Display Port

Ports

USB 3.0 slots

2
1

USB 2.0 slots

N/A
1

SD Card Reader

Yes
Yes

Ethernet Ports

N/A
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Video Recording

720p HD
N/A

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
HD Audio Solution

Speakers

Stereo Speakers
Stereo Speakers

Sound Technologies

Waves MaxxAudio Pro
N/A

In-built Microphone

Yes
Yes

Microphone Type

Dual Array Digital Microphone
N/A

Peripherals

Pointing Device

Touchpad with Multi-touch Gesture support
Touchpad with Track Point

Keyboard

Full size chiclet keyboard
N/A

Backlit Keyboard

Yes
Yes

Fingerprint Scanner

No
No

Others

Warranty

1 Year
3 Years

Sales Package

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