Lenovo T420 (4236-RM8) vs Compaq CQ56-105TU

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Summary

Processor Family

Intel Core i5
(2nd Gen)
Intel Pentium Dual-Core

Clock Speed

N/A
2.3 Ghz

Capacity

4 GB RAM
1 GB RAM

RAM Features

DDR3
1333 Mhz
DDR3

Hard Disk

320 GB HDD
320 GB HDD

Hard Disk Features

SATA
7200 RPM
SATA
5400 RPM

Display Size

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

Display Features

HD Anti-glare Display
HD LED HP Brightview Widescreen Display

OS

Windows 7
DOS

Type

(64-bit) OS
N/A

User Ratings

3.9/5
(34 ratings)
N/A

General Information

Brand

Lenovo
Compaq

Model

T420 (4236-RM8)
CQ56-105TU

Thickness

30.5 Millimeter thickness
32.8 Millimeter thickness

Dimensions (WxDxH)

340.5 x 233 x 30.5  mm
376 x 244 x 32.8  mm

Weight

2.17 Kg weight
2.5 Kg weight

Colors

Black
Black

Operating System

Windows 7 Professional
DOS

Operating System Type

64-bit
N/A

Display Details

Display Size

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

Display Resolution

1366 x 768 Pixels
1366 x 768 Pixels

Pixel Density

112 ppi
100 ppi

Display Type

LED
LED

Display Features

HD Anti-glare Display
HD LED HP Brightview Widescreen Display

Display Touchscreen

No
No

Performance

Processor

Intel Core i5-2520M

2nd Gen
Intel Pentium T4500

Clock-speed

N/A
2.3 Ghz

Chipset

Intel HM65 Express
Intel PM45 Express

Graphic Processor

Intel HD 3000
Intel HD 4500M

Memory

Capacity

4 GB
1 GB

RAM type

DDR3
DDR3

RAM speed

1333 Mhz
N/A

Memory Slots

2 DIMM
2

Expandable Memory

8 GB
8 GB

Memory Layout

N/A
1 x 1 Gigabyte

Storage

HDD Capacity

320 GB
320 GB

HDD Speed(RPM)

7200 RPM
5400 RPM

HDD type

SATA
SATA

Battery

Battery Cell

6 Cell
6 Cell

Battery type

Li-Ion
Li-Ion

Power Supply

65 W
65 W AC Adapter W

Battery Life

4 Hrs
3 Hrs

Networking

Wireless LAN

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

Wi-Fi Version

4
4

Bluetooth

Yes
Yes

Bluetooth Version

3.0
N/A

Other Networking Options

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

Ports

USB 2.0 slots

2
3

SD Card Reader

Yes
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
0.3 MP

Secondary cam(Rear-facing)

No
No

Audio Solution

HD Audio Solution
N/A

Speakers

Stereo speakers
Altec Lansing Speakers

In-built Microphone

Yes
Yes

Peripherals

Optical Drive

DVD RW Drive
LightScribe SuperMulti Drive with Double Layer Support

Drive Type

DVD Writer
N/A

Pointing Device

Touchpad
TouchPad

Keyboard

UltraNav Keyboard
Standard Keyboard

Others

Warranty

3 Years
1 Year

Sales Package

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