Core i3-7020U vs Core i5-9400 benchmarks
Our benchmark analysis concludes that the Core i5-9400 performs better than the Core i3-7020U. Furthermore, our gaming benchmark shows that it also outperforms the Core i3-7020U in all gaming tests too.
In terms of the number of cores of each of these CPUs, the Core i5-9400 has significantly more cores than the Core i3-7020U. Indeed, the Core i5-9400 has 6 cores compared to 2 cores found in the Core i3-7020U. It also has more threads than the Core i3-7020U. Our comparison shows that the Core i5-9400 has a slightly higher clock speed compared to the Core i3-7020U. A Core i3-7020U CPU outputs less heat than a Core i5-9400 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 i3-7020U has more threads than cores. Each physical core is split into multiple threads.
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