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Analysts: iPad 4's graphics upgrade packs a punch

At its silicon core, the fourth-generation iPad is hardly an incremental upgrade, according to chip analysts.

The new iPad's A6X chip packs a brand-new graphics engine that boasts a serious step up in horsepower from the third-generation iPad's A5X.

"Nothing's incremental about this. The A6X is one massive processing machine," Jim Morrison, a product manager at Chipworks, which does reverse engineering and patent-infringement analysis of semiconductors and electronic systems, told CNET.

Chipworks posted an analysis of the A6X's circuit layout today.

Apple's newest chip is a full 30 percent larger than the A6 … Read more

What makes the new iPad tick: A peek inside

The new iPad isn't waltzing into a competitive vacuum. That wow-worthy display notwithstanding, Apple still has to go head-to-head on performance.

Chip-review site Anandtech confirmed with Apple that sitting right next to the A5X's quad-core GPU (graphics processing unit) is a dual-core CPU (central processing unit).

Apple had nothing to say about the CPU (which typically garners the most attention) when it announced the new iPad, because the CPU really hasn't changed from the iPad 2.

The upshot is that Apple is pitting the A5X's quad-core GPU against a quad-core Nvidia CPU.

So, how does it … Read more

Inside the iPad 2: Chip brings 50% browsing boost

Wondering what makes that iPad 2 you just got tick and how much faster it is than the original iPad? Anandtech, iFixit, iosnoops, and UBM TechInsights have provided some answers.

Processor performance: Let's address this first--for obvious reasons. Apple has already been very public about the dual-core 1GHz A5 processor--a step up from the single-core chip in the original iPad--and the chip's "up to 9X faster" graphics" (Apple's ad copy).

And the verdict from an independent review? "CPU [Central Processing Unit] performance...we found to be a healthy 50 percent faster than the … Read more

Report: iPad 2 to use fast graphics chip

The iPad 2 will sport powerful, new graphics hardware, along with a higher-resolution display, according to a report.

That graphics chip would be Imagination's SGX543, according to Apple Insider.

If this rumor is on the money, it is, indeed, a potent graphics technology. Imagination describes the POWERVR SGX543MP as allowing "up to 16 cores...in a high-performance, multiprocessor graphics solution without performance or silicon area compromises." This graphics tech would be used in conjunction with a dual-core ARM processor, as CNET previously reported.

And Apple's next-gen iPhone 5 would also feature this chip design--the so-called Apple … Read more

Apple buys stake in mobile graphics chip designer

Apple has taken a small stake in a British chip designer, revealing how the company plans to power the graphics in future iPhones and iPod Touches.

Imagination announced Thursday that Apple has acquired a 3.6 percent stake in the company, which will only cost Apple 3.2 million pounds, or about $5 million. Imagination designs chip cores for a variety of applications, but its most prominent designs are its PowerVR cores for graphics in mobile phones.

That is believed to be the source of Apple's interest in the company, according to AppleInsider, which has tracked Apple's interest … Read more