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wbmw

09/11/13 4:39 PM

#122517 RE: mas #122511

Apple claimed they doubled performance (probably a combination of clock and ipc)


Frequency no doubt heavily contributes. The A6 in the iPhone 5 runs at 1.3GHz, while Qualcomm and Samsung are trying to shoehorn processors in at up to 2GHz, and above. My guess is that Apple gets about 30% from IPC, and about 50% from frequency.

By the way - peak power while running sustained workloads will also have to double (A6 probably peaks around 1.5-2W at the SOC level - note that this likely puts A7 at or above Bay Trail in power dissipation). Expect iPhone 5S to get pretty hot while running benchmarks in a loop.
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Andy Grave

09/12/13 10:49 AM

#122538 RE: mas #122511

However A7 is not a merchant chip so does it really matter if Apple is the IBM Power of the mobile world wink.

........Apple is just first........others to follow and already in the works..........Samsung, QCOM, the various Chinese players
............how do you think this Apple chip would look at 20 nm?