Intel Xeon E5-2643 vs Intel Xeon E5-2665

Xeon E5-2643 vs Xeon E5-2665 benchmarks

In our benchmarks, the Xeon E5-2643 beats the Xeon E5-2665 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Xeon E5-2665 in all gaming tests too.

With info from our database, we find that the Xeon E5-2665 has significantly more cores with 8 cores whereas the Xeon E5-2643 has 4 cores. It also has more threads than the Xeon E5-2643. These CPUs have different clock speeds. Indeed, the Xeon E5-2643 has a slightly higher clock speed compared to the Xeon E5-2665. Also, the Xeon E5-2643 has a slightly higher turbo speed. The Xeon E5-2665 outputs less heat than Xeon E5-2643 thanks to a slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Xeon E5-2643 has more threads than cores. Each physical core is split into multiple threads.