Phenom II X4 945 vs Athlon X4 870K benchmarks
Our benchmark analysis concludes that the Phenom II X4 945 performs better than the Athlon X4 870K. Despite this, the Athlon X4 870K has the advantage in our gaming benchmark.
In terms of the number of cores of each of these CPUs, the Phenom II X4 945 has significantly more cores than the Athlon X4 870K. Indeed, the Phenom II X4 945 has 4 cores compared to 2 cores found in the Athlon X4 870K. But they both have the same number of threads. These CPUs have different clock speeds. Indeed, the Athlon X4 870K has a slightly higher clock speed compared to the Phenom II X4 945. In terms of cache, the Athlon X4 870K has significantly more L2 cache when compared to the Phenom II X4 945
Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. For instance, the Phenom II X4 945 has the same number of threads as cores. This means the the CPU does not support hyperthreading.
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