Mangellan has finally updates its Roadmate GPS mapping systems that include 2210, 2210T, 2220-LM, 2230T-LM, 5220-LM, 5230T-LM and 5235T-LM. So, what is new? You will now be able to use the new landmark guidance option that gives you directions based on the landmarks.

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Sony has been making lightweight notebooks like Sony Vaio Z (see our Vaio Z disassembly post to see how small its innards are) from quite some time. It weighs just 1.14 kilograms and packs no-compromise hardware inside. Recently, the electronic mega-giant announced Vaio T – its first attempt at an Ultrabook. It comes in 11 and 13.3 inch flavors and uses the Intel Sandy Bridge processor with 4GB RAM.

First let us take a glance at its specs:

* 13.3 inch display
* 1366 x 768 pixel resolution
* Core i5 2457M processor
* 128GB SSD
* 4GB RAM
* 1 x USB 3.0, 2x USB 2.0, VGA, HDMI, card reader (SD, MS), audio ports
* Gigabit Ethernet, Wi-Fi (b / g / n), Bluetooth 4.0 + HS

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Ubuntu 12.04 is the biggest ever LTS release from Canonical and to most of us, just like before, it is a nice ‘second’ operating system on my notebooks and netbooks. But that does not mean that one shall not give this OS a shot. It is very capable of getting the work done. Read this review to find out more about it.

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Samsung Galaxy S 3 now replaces the Galaxy Note as flagship model of the company. The new phone brings a new look and a host of new hardware and software features that makes it a viable upgrade over the very popular Galaxy S2. Here are the major differences between the Galaxy Note and Galaxy S3.

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Intel HD 4000 has replaced the HD 3000 integrated GPU in the Ivy Bridge processors. These processors are manufactured with smaller manufacturing process (22nm) and produce much less heat than the previous generation processors.

The test was done on our new notebook that came with the Ivy Bridge i7 3820QM processor and 16GB RAM. We are mentioning the CPU here because the performance of the GPU is highly depended on the CPU. The reason is that the GPU clock is set at different speeds in different CPUs. For example: In Core i7 3610QM processor, the CPU and GPU speeds are 2.3GHz (3.3GHz in Turbo mode) and 650MHz (1100MHz in Turbo mode). On the other hand, the speed of CPU and GPU are 2.9GHz (3.8GHz) and 650MHz (1300MHz) respectively.

Intel HD 3000 vs HD 4000: The 4000 GPU now has bigger cache which is shared with the L3 cache. Dual core processors have 3-4MB cache, while the quad core ones have 6-8MB cache memories.

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Your Sony Tablet S would not retain root after upgrading it from Android 3.2 to Android 4.0, aka Ice Cream Sandwich. Fortunately, folks at xda have already found a way to root it again. Their application, AIO, allows you to root and unroot the tablet with few easy taps on the keyboard.

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