zarx on 04 August 2014
On the topic of ARM vs x86 performance lets look at AMDs upcoming ARM Cortex A57 based low power server chip.
| AMD Opteron A1100 vs. X2150 | |||||
| CPU Core Configuration | CPU Frequency | SPECint_rate Estimate | SPECint per Core | Estimated TDP | |
| AMD Opteron A1100 | 8 x ARM Cortex A57 | >= 2GHz | 80 | 10 | 25W |
| AMD Opteron X2150 | 4 x AMD Jaguar | 1.9GHz | 28.1 | 7 | 22W |
Both the PS4 and XBOne have 8 Core Jaguar at a lower clock so that should give you an idea or the relative performance. In a few years a 8/16 Core customised ARM chip could beat the PS4/XBOne's CPUs easy. And then they could use a dual or quad core downclocked chip for the handheld.
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