Inter Core Duo

Intel Core is the name used for the 32-bit processor codenamed Yonah (Hebrew יונה), released on January 5, 2006. The "Intel Core" name denoted the first Intel processors for mobile devices which were available with two cores packaged on a single silicon chip. The Intel Core brand replaced the Pentium M brand used for earlier mobile processors with a similar microarchitecture. Despite its name, the Intel Core (Yonah) is more similar to the Pentium M than to the Intel Core 2. There was a major rebranding effort by Intel starting January 2006, but in fact some computers with Yonah cores continued to be marketed as Pentium computers. The next generation of desktop and mobile processors after the Intel Core processor is the 64-bit Intel Core 2.

Yonah was the code name for Intel's first generation of 65 nm process mobile microprocessors, based on the Banias/Dothan Pentium M microarchitecture, incorporating LaGrande security technology. SIMD performance has been improved through the addition of SSE3 instructions and improvements to SSE and SSE2 implementations, while integer performance decreased slightly due to higher latency cache. Additionally, Yonah includes support for the NX bit.

Intel Core Duo is the world's first low-power (less than 25 watts) Dual Core microprocessor, with the previous low being AMD's Opteron 260 and 860 HE at 55 watts. Core Duo was released on 5 January 2006, with the other components of the Napa platform. It was the first Intel processor to be used in Apple Macintosh products (although the Apple Developer Transition Kit machines, non-production units distributed to some developers, used Pentium 4 processors).^[1]

From : wikipedia

Teraflops chip points to future

A chip with 80 processing cores and capable of more than a trillion calculations per second (teraflops) has been unveiled by Intel.

The Teraflops chip is not a commercial release but could point the way to more powerful processors, said the firm.

The chip achieves performance on a piece of silicon no bigger than a fingernail that 11 years ago required a machine with 10,000 chips inside it.

The challenge is to find a way to program the many cores simultaneously.

Current desktop machines have up to four separate cores, while the Cell processor inside the PlayStation 3 has eight (seven of them useable). Each core is effectively a programmable chip in its own right.

But to take advantage of the extra processing power, programmers need to gives instructions to each core that work in parallel with one another.

There are already specialist chips with multiple cores - such as those used in router hardware and graphics cards - but Dr Mark Bull, at the Edinburgh Parallel Computing Centre, said multi-core chips were forcing a sea-change in the programming of desktop applications.

...the same computing power required 2,000 square feet

"It's not too difficult to find two or four independent things you can do concurrently, finding 80 or more things is more difficult, especially for desktop applications.

"It is going to require quite a revolution in software programming.

"Massive parallelism has been the preserve of the minority - a few people doing high-performance scientific computing.

"But that sort of thing is going to have to find its way into the mainstream."

The first time teraflop performance was achieved was 11 years ago on the ASCI Red Supercomputer built by Intel for the Sandia National Laboratory.

It is going to require quite a revolution in software programming Dr Mark Bull

That machine took up more than 2,000 square feet, was powered by almost 10,000 Pentium Pro processors, and consumed more than 500 kilowatts of electricity.

"Our researchers have achieved a wonderful and key milestone in terms of being able to drive multi-core and parallel computing performance forward," said Justin Rattner, Intel Senior Fellow and chief technology officer.

"It points the way to the near future when teraflops-capable designs will be commonplace and reshape what we can all expect from our computers and the internet at home and in the office."

The Teraflops chip uses less electricity than many current high-end processors, making the design attractive for use in home computers.

It consumes 62 watts, and the cores can power on and off independently, making it more energy efficient.

Intel says that commercial spin-offs of the chip could see it being used in high-definition entertainment PCs, servers and handheld devices.

Possible uses include artificial intelligence, instant video communications, photo-realistic games and real-time speech recognition, said the firm.

From : BBC News

Which is the Best Mainstream CPU?

If you're looking to buy a new system or a new processor, then you've come to the right place. A lot has been going on in the market, though Core 2 Duo is still the best choice, and AMD still has no technology to fight back. Its quad-core processor called Phenom is positioned to be a show-stopper - we will see. Then again, we've seen substantial price cuts that put even high-end processors at prices below $200. It's time to have another look around.

Intel's Core 2 Duo processor has been dominating benchmark results ever since its launch in the summer of 2006. Thanks to a large, shared L2 cache for both processor cores, modern 65 nm manufacturing, and the more advanced processor architecture, not even the top model 3.0 GHz AMD Athlon 64 X2 has a chance of winning many benchmarks. However, this applies purely to raw performance.

From the standpoint of performance per watt of power consumed, the Core 2 Duo may look better too, as all processors are rated at a maximum of 65 W, while AMD still has 89 W models. The Core 2 Duo, though, doesn't carry an integrated DDR2 memory controller, which is an integral part of every AMD64 processor and thus increases their power consumption. Even so, AMD doesn't look bad - if you compare entire platforms, Intel doesn't necessarily win the power race as well. Finally, there have been substantial price cuts both in the AMD and in the Intel camp, which has actively reshuffled the balance of power - and created confusion at the same time.

AMD's first quarter results were not very amusing for the firm, as it lost considerable market share and had to post losses. While the acquisition of ATI wasn't quite a bargain, the important issue is processor prices, which were almost cut in half in the firm's attempt to stay competitive. The result is obvious now: AMD may be able to sustain its weakened market share with its Athlon 64 processors, but it isn't making a lot of money.

You will find the latest processor prices at www.amd.com/pricing. A link to Intel's pricelist didn't work, so we recommend using the prices of a recent TG Daily article for the sake of comparison. Even after the latest price cuts, the Core 2 Duo E6700 (2.66 GHz) is tagged at $316. This is 30% more expensive than what AMD asks for the Athlon 64 X2 6000+ top model (3.0 GHz), which is priced at $241. The Core 2 Duo E6600 is indeed faster, but the percentage difference is in the single-digit range.

Taking into account the recent price cuts and looking back at how much processor performance has increased since the introduction of dual core CPUs, we clearly recommend against spending a lot of money on a CPU. You will spend at least double the money on a quad core processor versus a dual core, and many applications still don't benefit from the additional cores. At the same time, having a dual core versus a single core CPU is more important than fighting over a few hundred megahertz. The existing quad core products (Core 2 Quad) will be replaced by next-generation products in the third quarter of 2007.

source: www.tomshardware.com

ATI Mobility Radeon™ HD 2600 XT - Overview

Ultimate Graphics Experience for Performance Notebooks
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Ultimate Gaming Experience
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Performance-per-Watt
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