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WinMX World :: Forum  |  Discussion  |  WinMx World News  |  AMD unveils Trinity chipsets to challenge Ivy Bridge

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Offline DaBees-Knees

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AMD unveils Trinity chipsets to challenge Ivy Bridge
« on: May 15, 2012, 07:18:41 am »

Advanced Micro Devices (AMD) has launched its new Trinity processor family boasting "twice the performance per watt" of its earlier Llano chips.

Like Intel's rival Ivy Bridge release, the update includes up to four CPU (central processing unit) cores and a single GPU (graphics processing unit).

AMD claims its product offers gamers a superior experience.

The first computers using the chips go on sale in June, with the US launch of a Hewlett Packard "Sleekbook".

AMD's focus on low power requirements reflects manufacturers' desire to offer thinner laptops and slimmer all-in-one desktop models.

Trinity can be set to run off as low as 17 watts, half the minimum amount possible using Llano.

The move should also allow traditional-sized laptops to run off their batteries for longer. The firm says systems could last up to 12 hours, although the figure cannot be verified until models utilising the chips are released.

Recycled power
While Intel has shifted to a new manufacturing process - radically changing the design of its transistors - to make gains, AMD has opted for an alternative innovation.

The "Piledriver" architecture of its CPU cores introduces an energy-saving technique called "resonant clock mesh technology" which allows it to "recycle" some of the energy consumed as it carries out calculations.

"Over the past decade, several test chips successfully demonstrated a variety of resonant clocking implementations," AMD's chief technology officer Steve Scott told the BBC.

"None however, has achieved integration into a commercial processor due to various practicality or cost issues. AMD has managed to overcome these challenges.

"[It] results in a reduction in total core power consumption of up to 10%."

GPU-powered gaming
Further power savings will be achieved by running more processes on the chipset's GPU which is the same "Northern Islands" design used in its standalone Radeon graphics cards.

AMD claims that the component and the accompanying software drivers are superior to the equivalent products from Intel.

Third-party software including Photoshop, the media-player VLC, Adobe's Flash plug-in and many of the leading web browsers have undergone recent updates to take advantage of GPU's skill at handling "parallisable" tasks - processes that are split into different parts and then run simultaneously.

This ability is also particularly suited for handling computer graphics, and AMD is keen to promote Trinity's ability to handle high definition games on systems not fitted with discrete graphics cards.

"Thirty frames per second is the industry standard for smooth gaming," Sasa Markinkovic, AMD's head of desktop and software product marketing, told the BBC.

"What we are able to do with Trinity is offer HD, 1080p resolution, gaming and deliver 30 frames per second.

"When you look at Ivy Bridge it is a step forward for Intel in terms of graphics performance, but it's still not good enough for HD gaming - and that makes the difference between playable and not playable."

AMD says Trinity offers about 25% higher CPU performance and 50% more GPU performance than its earlier Llano chips 'Intel's advantage'
Computers using Trinity will also offer AMD's "Steady Video" feature which automatically stabilises playback of shaky videos posted to sites such as YouTube; and "Quick Stream", a setting which ensures PCs prioritise streaming video when downloading several files from the internet at once.

Despite its advantages, one analyst said AMD might still find itself at a disadvantage against its long-term rival.

"Trinity is a compelling product from a graphics performance and power consumption perspective," said Sergis Mushell, processor expert at the tech analysis firm Gartner.

"But Intel's advantage is that it has a bigger ecosystem - there will be 10 to 15 times the number of systems using its chips than AMD's.

"This gives it better economies of scale and the ability to offer its chips at more price points, ultimately putting it in a strong position to challenge Trinity."

Resonant clock mesh technology

AMD has licensed the energy saving technique from Cyclos Semiconductor, a firm created by researchers at the University of Michigan.

Their innovation is based on the idea that chips can reclaim and recycle electrical energy.

It addresses an engineering problem involved with "clocks" - the timing signal used to orchestrate all the data movements and processing done by the various blocks of a chip, ensuring tasks happen in the right order.

When manufacturers talk of a chip operating at GHz speeds, it means there are more than one billion clock cycles per second.

The faster the speed, the greater the challenge to build in mechanisms to minimise the difference, or "skew", in the amount of time it takes each pulse to arrive at different parts of the circuitry.

If clock skew is ignored performance suffers.

An effective solution to the problem is to to use clock meshes - metal grids laid across the chip - to distribute the clock signals.

However, they have one major flaw that has discouraged their use: they dramatically increase power consumption when distributing pulses created by traditional clock generators .

Cyclos got round this problem by using a new type of clock signal.

It found a way to create an "electric pendulum" which reuses most of the energy needed to generate each clock cycle.

It says the technique requires only "a small nudge" to keep going.

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Offline Bluey_412

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Re: AMD unveils Trinity chipsets to challenge Ivy Bridge
« Reply #1 on: May 27, 2012, 02:36:59 pm »

The first computers using the chips go on sale in June, with the US launch of a Hewlett Packard "Sleekbook".

Start saving :-)

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The masters of Cheap-and-Nasty take an interest, I would be vewwy vewwy wary
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