The geekbench scores are not that accurate in projecting performance for Atom devices. If you look up the scores for the Motorola Razor I and Razor M, they will show a large performance gap favoring the Razor M. Actual comparisons of the phones showed the Razor I was as fast if not faster while using 15 percent less energy.
The AnTuTu bench showed near equal performance
Unfortunately most of the popular benchmarks for mobiles are rubbish - including AnTuTu.
Based on my experience with benchmarking I'd say the scores in your link are not at all an accurate representation of actual CPU performance. If the source code was available I could explain why.
Besides SPEC, reasonably good CPU benchmarks are Geekbench and Phoronix with results available for a wide range of CPUs - not just mobiles.
Because I can show independent benchmarks between S4 and K900 that prove my point:
Also if you understand microarchitectures then you'd be very very sceptical of any claims that a 2-way in-order CPU outperforms a 3-way out-of-order one, especially when it is 2 vs 4 cores as well...
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