Quad core processor series amd athlon x4 package boxed number of processing cores 4 number of threads 4 clock frequency 4 ghz turbo core max turbo frequency 42 ghz processor code name kaveri tdp 95 watt stepping revision a1 stepping l2 cache 2 x 2 048 kb l2 cache 4 096 kb manufacturing process 28 nm suitable for amd system features mmx sse sse2 sse3 sse4 sse4a sse41 sse42 ssse3 advanced vector extensions avx fma4 fma3 turbo core 30