A6-6400K vs Core 2 Duo E8400 comparison
In our benchmarks, the A6-6400K beats the Core 2 Duo E8400 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core 2 Duo E8400 in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Core 2 Duo E8400 has significantly more cores with 2 cores compared to the A6-6400K that has 1 cores. But they both have the same number of threads. With our hardware info, we find that the A6-6400K has a slightly higher clock speed than the Core 2 Duo E8400. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Core 2 Duo E8400 has significantly more L2 cache than the A6-6400K
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. Indeed, the A6-6400K has more threads than cores. Each physical core is split into multiple threads.
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