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Lenovo T420
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Lenovo T420 2 Core Intel Core I5-2xxx 2.5GHz 8GB 320GB HDD 14" Laptop

2 Intel Core I5-2xxx 2.5GHz 8GB Mar 2013
Processor Core Processor Family Processor Clock Speed Internal Memory Release Date
The ThinkPad T420 and T520 notebooks offer the best combination of thin and light mobility and top performance features a business class user would require. Top performing features include Second... More
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Unboxing the Lenovo ThinkPad T420
Lenovo Thinkpad T420 Review
Lenovo Thinkpad T420 HD Video-Preview
[HD] Lenovo Thinkpad T420 Review and Close Up!

12 Reasons For

64-Bit Processor Operating Mode

This portable PC supports a 64-bit processor operating mode, which is typical of many notebook PCs that have been on the market for a similar time to it.

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Very Fast On-Board Graphics Adapter Dynamic Frequency

The slowest on-board graphics adapter dynamic frequency of similar spec laptops that were released around the same time as the T420 is 660MHz, the fastest is 1,300MHz, and the average on-board graphics adapter dynamic frequency is 1,100MHz. When compared to other medium processor core notebook PCs that have been available for around the same time as the T420 that we have checked, the on-board graphics adapter dynamic frequency of the Lenovo T420 of 1,300 megahertz is one of the fastest.

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Very Fast On-Board Graphics Adapter Base Frequency

With an on-board graphics adapter base frequency of 650 megahertz, the Lenovo T420 has a very fast on-board graphics adapter base frequency compared to most of the other laptops of a comparable age and type to the T420. The on-board graphics adapter base frequencies of notebook PCs of a similar age and spec to the T420 range from 200MHz to 650MHz, and the average on-board graphics adapter base frequency is 370MHz.

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Good Brand

We calculated the average ratings for all Lenovo laptops and also specifically for Lenovo medium processor core notebook PCs and found that in both cases Lenovo had good ratings compared to other manufacturers.

Quite Fast Processor Clock Speed

Laptops of a similar age and type to the T420 have processor clock speeds of between 0.8GHz and 3.1GHz, and the average processor clock speed is 2.1GHz. The Lenovo T420 has a fairly fast processor clock speed (2.5 gigahertz) compared to most of the other medium processor core notebook PCs that were released more than two years ago.

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Quite Big Internal Memory

Across all the similar spec portable PCs that have been around for more than two years the internal memory range from 1GB to 16GB. With an internal memory of 8 gigabytes, the Lenovo T420 has one of the bigger internal memory amongst medium processor core notebook PCs of this age.

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1,066MHz Processor Memory Clock Speed

The Lenovo T420 supports a 1,066MHz processor memory clock speed which is faster than most notebook PCs of this spec and age. Most medium processor core notebook PCs that were released more than two years ago support a 133MHz processor memory clock speed. In addition, this Lenovo portable PC supports 1 and 333MHz processor memory clock speeds. The worst memory clock speeds supported by processor of all laptops that were launched more than two years ago is 133MHz and the best is 1,600MHz.

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Fairly Fast Hard Drive Speed

At 7,200 revolutions per minute, the Lenovo T420 has a fairly fast hard drive speed compared to most of the other similar spec laptops that have been on the market for more than two years. The slowest hard drive speed of portable PCs that are a similar age to the T420 is 4,200 RPM and the fastest is 7,200 RPM.

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802.11n WiFi Standard

This portable PC has an 802.11b|802.11g|802.11n WiFi standard, which is the most frequently found WiFi standard on notebook PCs that were released more than two years ago.

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64-Bit Operating System Architecture

This notebook PC has a 64-bit operating system architecture, which is typical of many portable PCs of this age and type.

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Two USB 2.0 Ports

Most medium processor core notebook PCs that came out around the same time as the T420 have between one and eight USB 2.0 ports, including the Lenovo T420 which has two USB 2.0 ports.

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2x SO-DIMM Memory Slot

This notebook PC has a 2x SO-DIMM memory slot, which is the most frequently found memory slot on medium processor core notebook PCs that have been on the market for a similar time to it.

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12 Reasons Against

Quite Slow Maximum Processor Memory Bandwidth

The maximum processor memory bandwidths of medium processor core notebook PCs that have been around for more than two years range from 17GB/s to 32GB/s. At only 21.3 gigabytes per second, the Lenovo T420 has a quite slow maximum processor memory bandwidth compared to most of the other medium processor core notebook PCs that came out around the same time as the T420.

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Only Two Displays Supported by On-Board Grap

Most laptops of a comparable type and age to the T420 use two displays supported by on-board grap, including the Lenovo T420 which uses two displays supported by on-board grap.

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Does Not Have a Front Camera

The Lenovo T420 does not have a front camera, unlike most of the other notebook PCs of a comparable age and spec to the T420 which have a front camera.

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Does Not Have a Full-Size Keyboard

Most of the other comparable spec laptops that have been on the market for more than two years have a full-size keyboard, however the Lenovo T420 does not have a full-size keyboard.

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Quite Small Total Storage Capacity

Comparable spec portable PCs that came out more than two years ago have total storage capacity of between 1GB and 1.5TB, and the average total storage capacity is 520GB. The Lenovo T420 has one of the smaller total storage capacity (only 320 gigabytes) amongst medium processor core notebook PCs of this age.

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Only HDD Storage Medium

This laptop has an HDD storage medium, which is the most frequently found storage medium on medium processor core notebook PCs that have been around for a similar time to it. HDD is a traditional storage drive which stores the information on magnetic disks. HDD drives are slower than other forms of storage such as solid state drives (SSD) and flash drives.

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Only 1366 X 768 Pixels Display Resolution

This notebook PC has a display resolution of 1366 x 768 pixels, which is the most frequently found display resolution on portable PCs of this spec and age.

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Quite Small Hard Drive Capacity

Medium processor core notebook PCs that have been available for a similar time to the T420 have hard drive capacity of between 180GB and 1.5TB, and the average hard drive capacity is 590GB. With a hard drive capacity of only 320 gigabytes, the Lenovo T420 has one of the smallest hard drive capacity amongst medium processor core notebook PCs of this age.

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Quite Slow Memory Clock Speed

When compared to other laptops that are a similar age to the T420 that we have checked the memory clock speed of, the Lenovo T420's memory clock speed of only 1,333 megahertz is one of the slowest. The average memory clock speed of medium processor core notebook PCs that have been available for around the same time as the T420 is 1,600MHz.

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Only 10 Mbit/s Ethernet LAN Data Rate

This notebook PC Ethernet LAN data rate, which is typical of many notebook PCs that have been available for around the same time as it.

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Does Not Have a Touch Sensitive Screen

Most notebook PCs that have been on the market for around the same time as the T420 do not have a touch sensitive screen. The Lenovo T420 is no exception to this as it too does not have a touch sensitive screen.

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Quite Slow Processor Front Side Bus

The processor front side bus of portable PCs that were released around the same time as the T420 range from 1.3MHz to 1,600MHz, and the average processor front side bus is 1,400MHz. At only 1,333 megahertz, the Lenovo T420 has a fairly slow processor front side bus compared to most of the other medium processor core notebook PCs that were released more than two years ago.

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4 Other reasons to consider the Lenovo T420

Released Over Three Years Ago

This notebook PC has been on the market for over three years.

Intel Core I5-2xxx Processor Family

The Lenovo T420 has a better processor family than most medium processor core notebook PCs that are a comparable age to it. This notebook PC has an Intel Core i5-2xxx processor family, whereas most medium processor core notebook PCs that have been around for around the same time as it have an Intel Core i5 processor family.

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Average Weight

With a weight of 2.2 kilograms, the Lenovo T420 has a pretty standard weight compared to most of the other notebook PCs of a similar age and spec to the T420.

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Average Screen Size

With a screen size of 14 inches, the Lenovo T420 has a pretty standard screen size compared to most of the other similar spec notebook PCs that are a comparable age to the T420.

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Specification

Features
Design
Form Factor
Colour
Product Type
Intel Segment Tagging
Docking Station
Processor
Processor Core
Processor Family
Processor Clock Speed
Motherboard Chipset
Processor Socket
Processor Cache
System Bus Data Transfer Rate
Processor Thread
Maximum Turbo Frequency
Processor Model
Integrated 4G WiMAX
Processor Lithography
PCI Express Lane (max)
Processor Operating Mode
PCI Express Slot Version
Bus Type
Processor Codename
Processor Series
Thermal Design Power (TDP)
Stepping
PCI Express Configuration
CPU Multiplier (bus/core Ratio)
Tjunction
Processor Cache Type
Memory
Internal Memory
Maximum Internal Memory
Memory Slot
Memory Clock Speed
Internal Memory
Hard Drive
Storage
Total Storage Capacity
Storage Medium
Integrated Card Reader
Hard Drive Speed
Hard Drive Capacity
Hard Drive Installed
Display
Screen Size
Display Resolution
Touch Sensitive Screen
LED Backlight
HD Type
Video
Graphics
On-Board Graphics Adapter Model
Discrete Graphics Adapter Model
On-Board Graphics Adapter ID
Display Supported by On-Board Grap
On-Board Graphics Adapter Dynamic Frequency
On-Board Graphics Adapter Base Frequency
On-Board Graphics Adapter
Optical Drive
Audio
Audio System
Camera
Networking
Cabling
Wireless Wide Area Network (WWAN)
Ethernet LAN Data Rate
Ethernet LAN Connection
WiFi Standard
Wireless LAN Connection
3G Network Access Module
Bluetooth
Ports & Interfaces
Mini DisplayPort/Thunderbolt Combo Port
DC-In Jack
S/PDIF Out Port
Microphone in Port
Headphone Out Port
Ethernet LAN Ports
DVI Port
DisplayPort
VGA Port
ESATA/USB 2.0 Port
USB 2.0 Port
LAN/VGA Combo Port
Performance
Integrated TV Tuner
Keyboard
Numeric Keypad
Pointing Device
Operating System/software
Operating System
Operating System Architecture
Processor Special Features
Intel Anti-Theft Technology
Intel VPro Technology
Intel My WiFi Technology
Intel Turbo Boost Technology
Intel Hyper-Threading Technology
Intel Small Business Advantage (SBA)
Intel Wireless Display (WiDi) Technology
Enhanced Intel SpeedStep Technology
Intel InTru 3D Technology
Intel Insider
Intel Quick Sync Video Technology
Intel Clear Video HD Technology
Intel Trusted Execution Technology
Supported Instruction Set
Processor Code
Intel FDI Technology
Intel Dual Display Capable Technology
Intel Fast Memory Access
Execute Disable Bit
Thermal Monitoring Technology
CPU Configuration (max)
Intel VT-X With Extended Page Tables (EPT)
Intel Smart Cache
Intel 64
Processor Package Size
Intel Flex Memory Access
Intel Virtualization Technology (VT-X)
Idle States
Graphics & IMC Lithography
Intel Enhanced Halt State
Intel AES New Instructions
Intel Virtualization Technology for Directed I/O (VT-D)
Intel Identity Protection Technology Version
Processor ARK ID
Battery
Battery Cell Count
Battery
Power
AC Adapter Input Voltage
AC Adapter Frequency
Security
Special Features
Weight & Dimensions
Weight
Height At Front
Depth
Height At Rear
Width
Packaging Data
AC Adapter Included
Operational Conditions
Certificates
RoHS Compliance
Energy Star Certified
Technical Details
Other Features

Expert Reviews

21 July 2014

Wygl?d zewn?trzny mo?e myli?. Nowy ThinkPad to nie tylko nowe procesory. Wraz z pojawieniem si? obecnej generacji ostatecznie odesz?y ju? do lamusa matryce w formacie 16:10. To szkoda, ale...

Podwyszona rozdzielczo i dobra jasno obrazu, niezmiennie wietna klawiatura, mocna obudowa, energooszczdno
Wci nie najnisza cena, haaliwy napd optyczny

User Reviews

(43)
(Verified Purchase)

Ordered this for my boyfriend, the quality of the laptop was great but then it started having problems with the screen flickering, Contacted seller and they was very helpful and offered money back... Read more…

Reviewed 9 August 2016 by Will.S
(Verified Purchase)

What can I say about Thinkpads that hasn't already been said. Works really well with GNU/Linux (using Mint 18.1), would recommend this laptop to anyone thinking about running a Linux distro. Even... Read more…

Reviewed 22 July 2016 by Misfit

I confess I did not purchase here. It was a work laptop. I had it from new and unsure when these first came out but the fact that I am still typing on it today to type this says what great... Read more…

Reviewed 6 July 2016 by Amanda Peake
(Verified Purchase)

Love it love it.........great customer service too...

Reviewed 30 June 2016 by Some Random Bloke
(Verified Purchase)

The standard 1366 x 768 screen is okay. Adequate for general purpose use, iPlayer, DVDs etc. It does the job, as does Win 7 Pro. The higher resolution screens will be better for digital... Read more…

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