Dell 2520 vs Lenovo X1 (20A7003DUS)

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Summary

Processor Family

Intel Core i3
(3rd Gen)
N/A

Clock Speed

2.5 Ghz
1.9 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
DDR3
1600 Mhz

Hard Disk

500 GB HDD
180 GB SSD

Hard Disk Features

SATA
5400 RPM
N/A

Display Size

15.6 inches
(39.62 cm)
14.0 inches
(35.56 cm)

Display Features

HD LED Anti-glare Display
WQHD LED 10 finger touch Display

OS

DOS
Windows 8.1

Type

N/A
(64-bit) OS

User Ratings

4.3/5
(23 ratings)
N/A

General Information

Brand

Dell
Lenovo

Model

2520
X1 (20A7003DUS)

Thickness

34.5 Millimeter thickness
18.0 Millimeter thickness

Dimensions (WxDxH)

376 x 260 x 34.5  mm
331 x 226 x 18.0  mm

Weight

2.4 Kg weight
1.3 Kg weight (Light-weight)

Colors

Grey
Black

Operating System

DOS
Windows 8.1 Professional

Operating System Type

N/A
64-bit

Display Details

Display Size

15.6 Inches  (39.62 cm)
14.0 Inches  (35.56 cm)

Display Resolution

1366 x 768 Pixels
2560 x 1440 Pixels

Pixel Density

100 ppi
210 ppi

Display Type

LED
LED

Display Features

HD LED Anti-glare Display
WQHD LED 10 finger touch Display

Display Touchscreen

No
Yes

Performance

Processor

Intel Core i3-3110M

3rd Gen
Intel Core i5-4300U

Clock-speed

2.5 Ghz
1.9 Ghz

Chipset

Intel HM75 Express
Intel HM76 Express

Graphic Processor

Intel HD 4000
Intel HD 4400

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

N/A
1600 Mhz

Memory Slots

2
2 DIMM

Expandable Memory

8 GB
N/A

Memory Layout

1 x 4 Gigabyte
1 x 4 Gigabyte

Storage

HDD Capacity

500 GB
N/A

HDD Speed(RPM)

5400 RPM
N/A

HDD type

SATA
N/A

SSD Capacity

N/A
180 GB

Battery

Battery Cell

6 Cell
8 Cell

Battery type

Li-Ion
Li-Po

Power Supply

65 W AC Adapter W
N/A

Battery Life

3 Hrs
8.7 Hrs

Networking

Wireless LAN

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

Wi-Fi Version

4
4

Bluetooth

Yes
Yes

Bluetooth Version

4.0
4.0

Ports

USB 3.0 slots

N/A
2

USB 2.0 slots

3
N/A

SD Card Reader

Yes
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

Yes
No

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

1.0 MP
1.3 MP

Video Recording

N/A
720p HD

Secondary cam(Rear-facing)

No
No

Audio Solution

N/A
HD Audio Solution

Speakers

2 x 2 W Speakers
Stereo Speakers

In-built Microphone

Yes
Yes

Microphone Type

Digital Microphone
N/A

Peripherals

Optical Drive

8x DVD RW Drive
N/A

Drive Type

DVD Writer
N/A

Pointing Device

Touchpad
Touchpad with Multi-touch Gesture Support

Keyboard

Standard Keyboard
Standard Keyboard

Fingerprint Scanner

N/A
No

Others

Warranty

1 Year
1 Year

Sales Package

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