Why is this significant? Well, the site said, the new version of the chip may have been manufactured using 28 nanometer architecture - something Samsung will apparently not be able to build until much later this year.
The new A5 chip measures at just 6mm x 6mm, compared with the 8.19 mm x 8.68 mm, 45 nanometer technology on the previous hardware.
What does it all mean?
The discovery led MacRumors to conclude that the chip (originally thought to be an A5X chip) may have been made by the Taiwan Semiconductor Manufacturing Company (TSMC) rather than Samsung.
If the site's suspicions turn out to be true, it would be major news with far reaching implications for the industry.
Every single Apple iOS device to date, including the Apple TV, has featured processors assembled for the company by Samsung.
The well documented souring of relations between Apple and Samsung has naturally led to speculation that the multi-billion dollar, mutually beneficial exchanges may be coming to an end.
Apple is said to be shopping around for a new component supplier, while Samsung jacked up the prices it charged Apple by 20 per cent late last year in the aftermath of a crushing patent lawsuit defeat in the U.S.
This may be the first evidence of that shift with Apple perhaps deciding it wishes to no longer line the pockets of its biggest rival.
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A technology journalist, writer and videographer of many magazines and websites including T3, Gadget Magazine and TechRadar.com. He specializes in applications for smartphones, tablets and handheld devices, with bylines also at The Guardian, WIRED, Trusted Reviews and Wareable. Chris is also the podcast host for The Liverpool Way. As well as tech and football, Chris is a pop-punk fan and enjoys the art of wrasslin'.