Lenovo X230T (3438-25Q) vs Dell 15R 5520

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Summary

Processor Family

Intel Core i7
(3rd Gen)
Intel Core i5
(3rd Gen)

Clock Speed

2.92 Ghz
2.9 Ghz

Capacity

4 GB RAM
4 GB RAM

RAM Features

DDR3
1600 Mhz
DDR3

Hard Disk

500 GB HDD
500 GB HDD

Hard Disk Features

SATA
7200 RPM
SATA
5400 RPM

Display Size

12.5 inches
(31.75 cm)
15.6 inches
(39.62 cm)

Display Features

HD Multitouch Display
HD LED Glare Display

OS

Windows 7
DOS

Type

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

General Information

Brand

Lenovo
Dell

Model

X230T (3438-25Q)
15R 5520

Thickness

31.3 Millimeter thickness
28.2 Millimeter thickness

Dimensions (WxDxH)

305 x 228.7 x 31.3  mm
345 x 238 x 28.2  mm

Weight

1.66 Kg weight
2.7 Kg weight

Colors

Black
Silver

Operating System

Windows 7 Professional
DOS

Operating System Type

64-bit
64-bit

Display Details

Display Size

12.5 Inches  (31.75 cm)
15.6 Inches  (39.62 cm)

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

125 ppi
100 ppi

Display Type

LED
LED

Display Features

HD Multitouch Display
HD LED Glare Display

Display Touchscreen

Yes
No

Performance

Processor

Intel Core i7 3520

3rd Gen
Intel Core i5-3210M

3rd Gen

Clock-speed

2.92 Ghz
2.9 Ghz

Chipset

N/A
Intel HM77 Express

Graphic Processor

Intel HD 4000
Intel HD 4000

Memory

Capacity

4 GB
4 GB

RAM type

DDR3
DDR3

RAM speed

1600 Mhz
N/A

Memory Slots

N/A
2

Expandable Memory

N/A
8 GB

Memory Layout

N/A
1 x 4 Gigabyte

Storage

HDD Capacity

500 GB
500 GB

HDD Speed(RPM)

7200 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
6 Cell

Battery type

N/A
Li-Ion

Power Supply

N/A
90 W AC Adapter W

Battery Life

9.9 Hrs
6 Hrs

Networking

Wireless LAN

N/A
802.11 b/g/n

Wi-Fi Version

N/A
4

Bluetooth

Yes
Yes

Bluetooth Version

4.0
4.0

Other Networking Options

Multi Card Slot 4-in-1 SD Card Reader (SD/SDHC/SDXC/MMC slot)
N/A

Ports

USB 3.0 slots

2
3

SD Card Reader

N/A
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

Yes
Yes

Multimedia

Web-cam

Yes
Yes

Web-cam Resolution

0.3
2.0 MP

Secondary cam(Rear-facing)

N/A
No

Speakers

N/A
Audio Speakers

Sound Technologies

Dolby Advanced Audio 2.0
N/A

In-built Microphone

Yes
Yes

Peripherals

Optical Drive

UltraBase With Multi-Burner
Super Multi Dual Layer Drive

Drive Type

DVD Writer
N/A

Pointing Device

Touchpad
Touchpad

Keyboard

Standard Keyboard
Standard Keyboard

Fingerprint Scanner

Fingerprint Reader
N/A

Others

Warranty

1 Year
1 Year

Sales Package

Laptop Battery AC Adapter User Guide and Manuals
Laptop Battery AC Adapter User Guide