http://www.cpu-world.com/Compare/41...i5_i5-6400.html

Intel Core i5-2400 vs i5-6400

ntel Core i5-2400 advantages


None 無優勢.

Intel Core i5-6400 advantages


Single-threaded performance of the Intel i5-6400 CPU is better.
The processor is 19% faster when running multi-threaded tasks.
Memory performance of the Intel i5-6400 is better.
In graphics programs, the CPU has 66% higher performance.
The Core i5-6400 features AVX2, F16C and FMA3 instructions.
These extensions are not widely used in applications yet, but this should improve in future apps.
Power consumption of the Core i5-6400 is lower.
單執行緒快 13%,多執行緒快 19%.目前多出的指令集很少用得到,可能未來用得到.還有較省電.內顯性能高出66%.TDP 95w 和 65w.2400二手價目前大約 2500-2800,不含散熱器.只要手邊有1155主機板(或者幾百元就有二手的)升級的選擇之一.用慣雙核,再去用四核,應該有不錯的體驗,暢快許多.