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IBM ThinkPad X40

alaTest has collected and analyzed 35 reviews of IBM ThinkPad X40. The average rating for this product is 4.0/5, compared to an average rating of 4.1/5 for other Laptops for all reviews. Reviewers really like the performance and battery. The reliability and price also get good views. There are some mixed opinions about the usability. Some have doubts about the image quality and touchpad.

portability, price, reliability, battery, performance

screen, touchpad, image quality

We analyzed user and expert ratings, product age and more factors. Compared to other Laptops the IBM ThinkPad X40 is awarded an overall alaScore™ of 79/100 = Good quality.

Review analysis

(Based on 35 reviews)

Expert Reviews  

User Reviews  

Showing 21 review(s)

Expert Reviews User Reviews


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Showing 1 - 10 of 21 Show Reviews: in English | in other languages (14)

Expert review by: (

ThinkPad X40 Notebook


Ultraportable ThinkPad boasts the finest keyboard for its size.

The ThinkPad X40 may not be a perfect ultraportable, but it does have a lock on the perfect ultraportable keyboard. The keyboard quality may be enough to help you forget you're spending $2299 on the X40 and its docking station, without getting a set of...

Jul, 2004

Expert review by: Carla Thornton (

IBM ThinkPad X40 Notebook


Artwork: Rick Rizner, John Goddard

Jul, 2004

Editor's Choice!

Expert review by: (

IBM ThinkPad X40


A tried-and-true favorite among business-class ultraportables, the IBM ThinkPad X40 is hard to compete with. Once again, it's our Editors' Choice winner in this space.

Good performance, full-size keyboard, standard hard drive space and system memory for everyday apps

Optical drive in docking station. Few bundled apps

The ThinkPad X40 is ideal for the road warrior who needs portability and essential functionality on the go.

Expert review by: Hardware Zone (

IBM ThinkPad X40


So what have we gathered from the many hours spent with the ThinkPad X40? For starters, the petite and rugged feel grew on us real quick. The ThinkPad X40 is one of those expensive devices that can really take the punishments of everyday use. Thus, you...

Sep, 2004

Expert review by: John Chow (

IBM ThinkPad X40 Review


You want a notebook that can last all day and look good doing it? The IBM ThinkPad X40 is your dream come true! Not only can the X40 go all day but it's also the world's smallest notebook with a full size keyboard!

World's Smallest notebook with a full size keyboard, Amazing battery life, Excellent keyboard, Built in SD card reader, Low price

IBM won't let me keep it

Jul, 2004

Expert review by: HardwareCentral (

IBM ThinkPad X40 Review


A 3.2-pound flyweight (4.9 pounds with optical-drive docking base) with admirable battery life and built-in diagnostic/recovery tools, First-class keyboard; numerous neat little touches

Price climbs quickly as you add options, Merely adequate 1.2GHz processor, inadequate-for-games graphics

Along with Windows XP Professional, Norton AntiVirus 2003, and RecordNow and WinDVD software, the X40 comes with an array of friendly IBM utilities for configuring hardware options, switching between wired and wireless networks, and other management...

Apr, 2004


Expert review by: Riyad Emeran (

IBM ThinkPad X40 - Ultra-Portable Notebook


The IBM ThinkPad X40 may not be as slim and light as the Sony X505VP, but it's a better all-round solution.

The X40 is slim, stylish, light and ergonomically superior to every other ultra-portable machine I've used. If you want a lightweight traveling companion, the X40 should be top of your list.

Jun, 2004

Expert review by: Xiao Ming Wu (

IBM ThinkPad X40


Business travellers who like to travel light should definitely consider IBM's sleek, new, full-featured powerhouse: the ThinkPad X40.

Light ; Modular design ; Excellent performance ; Long battery life

Pricey ; No FireWire ; No integrated optical drive ; No touchpad

Dec, 2004

Expert review by: Xiao Ming Wu (

IBM ThinkPad X40


Business travellers who like to travel light should definitely consider IBM's sleek, new, full-featured powerhouse: the ThinkPad X40.

Mar, 2004

Expert review by: Tom Dunlap (

First Look: IBM ThinkPad X40


IBM's ultraportable notebook drops to 1.22kg and gains powerful rescue and recovery tools. Read our initial impressions.

Feb, 2004

Product Specifications

ThinkPad X Series is ideal for users who need an ultraportable notebook but refuse to sacrifice durability or performance. These notebooks are the ultimate business tools for professionals who are constantly on the move and who need to stay productive - whenever, wherever. While traveling, the numerous security and quality features on the X Series notebooks promise to keep you productive. The ultraportable notebooks starts at an extremely small footprint, but just because it's small doesn't mean it can't perform. The X Series models offer impressive performance features.

Audio Input


Audio Output

Type:Sound card


Run Time (Up To):3.5hour(s)/7.5hour(s)/7hour(s)
Technology:Lithium ion

Cache Memory

Installed Size:1MB/2MB


Front Camera: No

Dimensions & Weight


Display (Projector)

Color Support:24-bit (16.7 million colors)
Color Support:24-bit (16.7 million colors)
Diagonal Size:12.1in
Diagonal Size (metric):30.7cm
Max Resolution:1024 x 768
Technology:TFT active matrix
Widescreen Display: No

Environmental Standards

ENERGY STAR Qualified: Yes
EPA Energy Star Compliant: Yes


Maximum graphics adapter memory:0.064


Country Kits:Belgium/Canada / United States/United Kingdom/United States
Packaged Quantity:1
Product Line:Lenovo ThinkPad X40/ThinkPad X40

Input Device

Type:Keyboard / TrackPoint/Keyboard / Scroll button / TrackPoint/Keyboard / TrackPoint/TrackPoint / Keyboard


Data Bus Speed:400MHz


Manufacturer Selling Program:TopSeller


Max Transfer Rate:56Kbps
Protocols & Specifications:ITU V.90/ITU V.92
Type:Fax / modem/Network / modem combo


Data Link Protocol:Bluetooth / Ethernet / Fast Ethernet / Gigabit Ethernet / IEEE 802.11a / IEEE 802.11b / IEEE 802.11g/Bluetooth / Ethernet / Fast Ethernet / Gigabit Ethernet / IEEE 802.11b/Bluetooth / Ethernet / Fast Ethernet / Gigabit Ethernet / IEEE 802.11b / IEEE 802.11g/Ethernet / Fast Ethernet / Gigabit Ethernet/Ethernet / Fast Ethernet / Gigabit Ethernet / IEEE 802.11b / IEEE 802.11g/Ethernet / Fast Ethernet / Gigabit Ethernet/Ethernet / Fast Ethernet / Gigabit Ethernet / IEEE 802.11a / IEEE 802.11b / IEEE 802.11g/Ethernet / Fast Ethernet / Gigabit Ethernet / IEEE 802.11b/Ethernet / Fast Ethernet / Gigabit Ethernet / IEEE 802.11b / IEEE 802.11g/Gigabit Ethernet / IEEE 802.11b / IEEE 802.11g/IEEE 802.11g / IEEE 802.11b / Gigabit Ethernet / Fast Ethernet
Type:Network adapter
Wireless LAN Supported: Yes
Wireless Protocol:802.11a/b/g/802.11a/b/g / Bluetooth/802.11b/802.11b / Bluetooth/802.11b/g/802.11b/g / Bluetooth

Optical Storage

Read Speed:24x (CD) / 8x (DVD)
Rewrite Speed:24x
Type:CD-RW / DVD-ROM combo/DVD-ROM/None
Write Speed:24x

OS Provided

Type:Microsoft Windows XP Professional


Clock Speed:1.2GHz/1.4GHz/1.5GHz/1GHz
Processor cache type:L2
Processor Number:738/758
Type:Pentium M


Installed Size:256MB/512MB
Max Supported Size:1.25GB/1.28GB/1.28GB / 1.25GB/1.53GB/1.53GB / 1.5GB/1.53MB/1.54GB/1.54GB / 1.5GB
Technology:DDR SDRAM

Service & Support

Type:1 year warranty /3 years warranty

Storage Controller


Storage Floppy Drive

Type: None

Storage Hard Drive


Storage Removable

Type: None


Hard Drive(-s) Total Capacity:20GB/40GB
Notebook Type:Notebook
Platform Technology:Intel Centrino
Recommended Use:Small business

Video Output

Graphics Processor / Vendor:Intel Extreme Graphics 2