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Lenovo T420s

Lenovo T420s 2 Core Intel Core I7-2xxx 2.7GHz 4GB 160GB SSD 14" Laptop

£2,145.74
£1,388.87 £756.87 cheaper than 49 days ago
2 Intel Core I7-2xxx 2.7GHz 4GB Mar 2013
Processor Core Processor Family Processor Clock Speed Internal Memory Release Date
ThinkPad T Series notebooks and Ultrabook are Lenovo's Enterprise Best Choice, offering a thin and light design with no-compromise performance at an exceptional price. Plus, with a potential for... More
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Lenovo T420s from Amazon UK
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19 Reasons For

Very Fast On-Board Graphics Adapter Dynamic Frequency

When compared to other laptops of this type and age, the on-board graphics adapter dynamic frequency of the Lenovo T420s of 1,300 megahertz is one of the fastest. Notebook PCs of a similar age and type to the T420s have on-board graphics adapter dynamic frequencies of between 660MHz and 1,300MHz, and the average on-board graphics adapter dynamic frequency is 1,100MHz.

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Very Fast On-Board Graphics Adapter Base Frequency

Across all the similar spec notebook PCs that have been around for around the same time as the T420s the on-board graphics adapter base frequencies range from 200MHz to 650MHz, and the average on-board graphics adapter base frequency is 370MHz. When compared to other similar spec portable PCs that were released more than two years ago, the on-board graphics adapter base frequency of the Lenovo T420s of 650 megahertz is one of the fastest.

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64-Bit Processor Operating Mode

This laptop supports a 64-bit processor operating mode, which is typical of many laptops of a comparable spec and age to it.

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Lenovo Has Good Reviews for Its Portable PCs

On average Lenovo medium processor core notebook PCs have good reviews compared to other manufacturers as do all laptops manufactured by Lenovo.

Quite Fast Processor Clock Speed

Medium processor core notebook PCs that have been around for around the same time as the T420s have processor clock speeds of between 0.8GHz and 3.1GHz, and the average processor clock speed is 2.1GHz. With a processor clock speed of 2.7 gigahertz, the Lenovo T420s has one of the faster processor clock speeds amongst medium processor core notebook PCs of this age.

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Intel Core I7-2xxx Processor Family

The Lenovo T420s has an Intel Core i7-2xxx processor family which is better than the Intel Core i5 processor family found on most medium processor core notebook PCs that have been on the market for more than two years. The best processor family of all medium processor core notebook PCs that came out around the same time as the T420s is Intel Core i7-3xxx and the worst is AMD C.

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SSD Storage Medium

The Lenovo T420s has an SSD storage medium which is better than the HDD storage medium found on most portable PCs that came out around the same time as it. Solid State Drives (SSD) store data in semiconductors on a circuit board rather than using magnetic or optical media. Solid State Drives have no moving parts which makes them very fast and reliable.

An SSD storage medium is actually the best storage medium across all notebook PCs of this type and age.

Across comparable types of notebook PC the worst storage medium is HDD.

We compared all the other portable PCs that have an SSD storage media to this portable PC and we think cheaper laptops such as the X1 Carbon[pl_1414755_price], the X1 Carbon[pl_2907060_price], and the X1 Carbon[pl_1414755_price] all from Lenovo is also worth considering.

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Fairly Long Battery Life

The shortest battery life of medium processor core notebook PCs that are a similar age to the T420s is 2h and the longest is 4,400h. At 10 hours, the Lenovo T420s has a fairly long battery life compared to most of the other medium processor core notebook PCs that were released more than two years ago.

Portable PCs with a longer battery life that might be worth considering include the Satellite Z30[pl_2059334_price] (12h), the Portege Z30[pl_2068440_price] (12h), or the Portégé Z30-A[pl_2379667_price] (12h) all from Toshiba which is also cheaper.

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1,066MHz Processor Memory Clock Speed

The Lenovo T420s supports a faster memory clock speeds supported by processor than most medium processor core notebook PCs that are a similar age to it. This notebook PC supports a 1,066MHz processor memory clock speed, whereas most medium processor core notebook PCs that have been around for around the same time as it support a 133MHz processor memory clock speed. In addition, this Lenovo portable PC supports 1 and 333MHz processor memory clock speeds. Across all laptops of a similar type and age to the T420s the memory clock speeds supported by processor ranges from 133MHz (worst) to 1,600MHz (best).

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Light

The Lenovo T420s is quite light (only 1.7 kilograms) compared to most of the other portable PCs of this age and type. Laptops of a similar age and spec to the T420s have weights of between 300g and 3.8kg, and the average weight is 2.2kg.

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SSD Storage Medium

The Lenovo T420s has an SSD storage medium which is better than most laptops of a comparable spec and age to it. Most comparable spec laptops that are a similar age to it have an HDD storage medium.

This notebook PC's storage medium (SSD) is in fact the best storage medium amongst all medium processor core notebook PCs that have been on the market for more than two years.

An HDD storage medium is the worst storage medium amongst comparable types of notebook PC.

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Fairly Fast Maximum Turbo Frequency

The average maximum turbo frequency of comparable spec laptops that are a similar age to the T420s is 3GHz. At 3.4 gigahertz, the Lenovo T420s has a fairly fast maximum turbo frequency compared to most of the other comparable spec laptops that have been available for around the same time as the T420s.

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802.11n WiFi Standard

This laptop has an 802.11a|802.11g|802.11n WiFi standard, which is typical of many laptops that came out around the same time as it.

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64-Bit Operating System Architecture

This portable PC has a 64-bit operating system architecture, which is the most commonly found operating system architecture on similar spec laptops that are a comparable age to it.

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Very Fast Processor Clock Speed

When compared to other notebook PCs that are a comparable age to the T420s that we have assessed, the Lenovo T420s's processor clock speed of 2,700 megahertz is one of the fastest. The processor clock speeds of laptops of a similar age and type to the T420s range from 800MHz to 3,100MHz.

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Quite Big L3 Cache

The smallest L3 cache of portable PCs that have been available for a similar time to the T420s is 2MB and the biggest is 6MB. At 4 megabytes, the Lenovo T420s has a quite big L3 cache compared to most of the other medium processor core notebook PCs that were released more than two years ago.

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Fairly Big Megapixel Count

Across all the medium processor core notebook PCs that came out around the same time as the T420s the megapixels counts range from 0.3MP to 2MP, and the average megapixel count is 0.95MP. With a megapixel count of 1.3 megapixels, the Lenovo T420s's megapixel count is one of the biggest amongst notebook PCs that have been available for around the same time as the T420s.

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Very Big Processor Cache

The average processor cache of medium processor core notebook PCs that have been available for a comparable time to the T420s is 2.9MB, and the processor caches range from 0.51MB to 4MB. When compared to other portable PCs that are a comparable age to the T420s, the processor cache of the Lenovo T420s of 4 megabytes is one of the biggest.

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2x SO-DIMM Memory Slot

This portable PC has a 2x SO-DIMM memory slot, which is the most frequently found memory slot on portable PCs that were launched around the same time as it.

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18 Reasons Against

Quite Slow Maximum Processor Memory Bandwidth

Across all the portable PCs of this age and spec the maximum processor memory bandwidths range from 17GB/s to 32GB/s, and the average maximum processor memory bandwidth is 25GB/s. When compared to other medium processor core notebook PCs that have been available for a similar time to the T420s that we have assessed, the maximum processor memory bandwidth of the Lenovo T420s of only 21.3 gigabytes per second is one of the slowest.

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Only Two Displays Supported by On-Board Grap

Most notebook PCs that were released more than two years ago use two displays supported by on-board grap, including the Lenovo T420s which uses two displays supported by on-board grap.

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Only One PCI Express Lane (max)

The Lenovo T420s is a one PCI Express lane (max) laptop.

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Only One USB 3.0 (3.1 Gen 1) Type-A Port

The Lenovo T420s is a one USB 3.0 (3.1 Gen 1) Type-A port notebook PC. Most of the other portable PCs of this age and type have between one and four USB 3.0 (3.1 Gen 1) Type-A ports.

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Pricey

We think this notebook PC looks expensive compared to other laptops of this spec and age. The price range of laptops of this spec and age is from £178 to £1,964.

Does Not Have a Front Camera

Most of the other notebook PCs that have been on the market for a comparable time to the T420s have a front camera, however the Lenovo T420s does not have a front camera.

We think you might also be interested in other laptops which also have a front camera including the Toshiba Portege Z30[plb_2068440_price], or the HP EliteBook 820[plb_2697094_price].

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Quite Small Maximum Internal Memory Supported by Processor

The maximum internal memory supported by processors of medium processor core notebook PCs that came out more than two years ago range from 4GB to 32GB, and the average maximum internal memory supported by processor is 23GB. At only 16 gigabytes, the Lenovo T420s has a fairly small maximum internal memory supported by processor compared to most of the other laptops of a comparable age and type to the T420s.

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Very Small Total Storage Capacity

The Lenovo T420s has one of the smaller total storage capacity (only 160 gigabytes) amongst medium processor core notebook PCs of this age. Medium processor core notebook PCs that came out around the same time as the T420s have total storage capacity of between 1GB and 1.5TB.

If this Lenovo portable PC total storage capacity is too small for you then you might also want to consider the HP EliteBook 820[plb_2697094_price] (180GB) which is also cheaper.

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Does Not Have a Full-Size Keyboard

The Lenovo T420s does not have a full-size keyboard. Most of the other notebook PCs of this type and age do have a full-size keyboard.

We think you might also be interested in other portable PCs which also have a full-size keyboard including the Lenovo ThinkPad X240[plb_2569320_price] which is also cheaper.

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Quite Small Internal Memory

When compared to other notebook PCs that have been around for around the same time as the T420s, the internal memory of the Lenovo T420s of only 4 gigabytes is one of the smallest. Medium processor core notebook PCs that were released more than two years ago have internal memory of between 1GB and 16GB, and the average internal memory is 5.3GB.

If you would prefer a bigger internal memory then you might also want to look at the Lenovo X1 Carbon[plb_1414755_price] (8GB and cheaper), or the HP EliteBook 850[plb_2356712_price] (8GB and cheaper).

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Quite Slow Memory Clock Speed

The memory clock speeds of notebook PCs of this age and type range from 1,000MHz to 1,800MHz, and the average memory clock speed is 1,600MHz. The memory clock speed of the Lenovo T420s of only 1,333 megahertz is one of the slowest amongst similar spec portable PCs that were released more than two years ago.

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Only 10 Mbit/s Ethernet LAN Data Rate

This portable PC Ethernet LAN data rate, which is the most commonly found Ethernet LAN data rate on portable PCs of this type and age.

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Quite Small Discrete Graphics Adapter Memory

The smallest discrete graphics adapter memory of comparable spec laptops that were launched around the same time as the T420s is 510MB and the biggest is 4.1GB. The discrete graphics adapter memory of the Lenovo T420s of only 1,024 megabyte is one of the smallest amongst portable PCs of this spec and age.

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Only One USB 3.0 Port

The Lenovo T420s is a one USB 3.0 port notebook PC. Most of the other medium processor core notebook PCs that have been on the market for around the same time as the T420s have between one and four USB 3.0 ports.

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Does Not Have a Touch Sensitive Screen

The Lenovo T420s does not have a touch sensitive screen, although it is worth noting that most of the other laptops that have been on the market for more than two years also do not have a touch sensitive screen.

We compared all the other notebook PCs which also have a touch sensitive screen to this notebook PC and we think the HP EliteBook 820[plb_2353434_price] is also worth considering.

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Quite Slow Processor Front Side Bus

Across all the similar spec laptops that were released more than two years ago the processor front side bus range from 1.3MHz to 1,600MHz. The Lenovo T420s has a fairly slow processor front side bus (only 1,333 megahertz) compared to most of the other portable PCs of a similar spec and age to the T420s.

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Quite Low Speaker Power

The speaker power of notebook PCs of this age and type range from 1W to 11W, and the average speaker power is 1.7W. When compared to other notebook PCs that have been around for around the same time as the T420s that we have checked, the speaker power of the Lenovo T420s of only 1 Watt is one of the lowest.

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Only 3 Bluetooth Version

The Lenovo T420s supports a better bluetooth version than most laptops of this age and spec. This notebook PC supports a 3 Bluetooth version, whereas most notebook PCs of a comparable type and age to it support a 4 Bluetooth version. The bluetooth version of all laptops that were released around the same time as the T420s ranges from 2.1 to 4.0 EDR.

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2 Other reasons to consider the Lenovo T420s

Released Over Three Years Ago

This laptop was released over three years ago.

Average Screen Size

With a screen size of 14 inches, the Lenovo T420s has a relatively standard screen size compared to most of the other similar spec notebook PCs that have been available for around the same time as the T420s.

If this Lenovo notebook PC screen size is too small for you then you might want to consider the Lenovo T540p[plb_1873372_price] (15.6" and cheaper).

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Specification

Design
Form Factor
Colour
Product Type
Intel Segment Tagging
Processor
Processor Core
Processor Family
Processor Clock Speed
Processor Front Side Bus
Processor
Motherboard Chipset
Processor Socket
Processor Cache
Processor Cache
L3 Cache
System Bus Data Transfer Rate
Processor Thread
Maximum Turbo Frequency
Processor Model
Processor Clock Speed
Processor Memory Channel
Maximum Processor Memory Bandwidth
Processor Memory Clock Speed
Processor Memory Type
Maximum Internal Memory Supported by Processor
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
Available Memory Slot
Memory Slot
Memory Layout
Memory Clock Speed
Internal Memory
Internal Memory Size
Hard Drive
Storage Medium
Storage
Total Storage Capacity
Storage Medium
Memory Card
Integrated Card Reader
Solid-State Drive Interface
Solid-State Drive Capacity
Installed SSD
Display
Screen Size
Display Resolution
Typical Contrast Ratio
Display Brightness
Aspect Ratio
Full HD
LED Backlight
HD Type
Graphics
On-Board Graphics Adapter Model
Discrete Graphics Adapter Memory
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
Discrete Graphics Adapter
Optical Drive
LghtScribe Feature
Optical Drive
Audio
Built-In Microphone
Speaker Power
Built-In Speaker
Audio System
Camera
Camera Resolution
Front Camera Resolution
Megapixel Count
Front Camera Resolution
Built-In Camera
Networking
Cabling
Networking Standard
Wireless Wide Area Network (WWAN)
Bluetooth Version
Ethernet LAN Data Rate
Ethernet LAN Connection
WiFi Standard
Wireless LAN Connection
Networking Feature
3G Network Access Module
Bluetooth
Ports & Interfaces
Mini VGA Port
Micro HDMI Port
SmartCard Slot
ExpressCard Slot
DC-In Jack
Combo Headphone/mic Port
Microphone in Port
Headphone Out Port
Ethernet LAN Ports
DisplayPort
VGA Port
USB 3.0 Port
USB 2.0 Port
USB 3.0 (3.1 Gen 1) Type-A Port
Keyboard
Full-Size Keyboard
Spill Resistant Keyboard
Keyboard Key
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 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 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 Life
Battery Capacity
Battery Cell Count
Battery
Power
External Power Adapter
AC Adapter Input Voltage
AC Adapter Frequency
Security
Password Protection
Trusted Platform Module (TPM)
Fingerprint Reader
Weight & Dimensions
Weight
Height At Front
Depth
Height At Rear
Width
Packaging Data
AC Adapter Included
Certificates
RoHS Compliance
Energy Star Certified
Other Features
Intel Visual Technology
Graphics Adapter Family
Integrated Graphics Adapter (UMA/GMA)
Display
Compliance Industry Standards
Weight
Type

Brochures and Manuals

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers lenovo t420, lenovo nv8p4, lenovo t420s, lenovo i72620, lenovo nv8p4u, lenovo nv8p4uk, lenovo i72620m
Barcodes 00645743040939, 00645743504448, 00645743613577

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