Core i5-11400 vs Core i7-7820X specs and performance
In our benchmarks, the Core i7-7820X beats the Core i5-11400 in overall performance. Despite this, the Core i5-11400 has the advantage in our gaming benchmark.
In terms of the number of cores of each of these CPUs, the Core i7-7820X has slightly more cores than the Core i5-11400. Indeed, the Core i7-7820X has 8 cores compared to 6 cores found in the Core i5-11400. It also has more threads than the Core i5-11400. In terms of clock speed, the Core i5-11400 and Core i7-7820X are identical in this regard. Despite this, the Core i5-11400 has a slightly higher turbo speed. A Core i5-11400 CPU outputs less heat than a Core i7-7820X CPU because of its significantly 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 Core i5-11400 has more threads than cores. Each physical core is split into multiple threads.
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