AMD Athlon X4 880K 4.2 G Hz Socket FM2+ 4MB Cache Retail Boxed Processor Athlon X4 880K is an upcoming quad-core processor for socket FM2+ platform. Details of this processor, such as clock speed & TDP, were spotted in Biostar CPU support lists. At this time we know that the processor will run at 4 GHz, or 100 MHz faster than the Athlon X4 870K. The chip will have 95 Watt TDP. More details can be extracted from provided part number, that encodes such characteristics as market segment, model number, socket, TDP, core count, cache size & core stepping. In particular, the AD880KXBI44JC is decoded as Athlon or A-Series desktop processor with model number 880K, having FM2+ compatible package, 95 Watt TDP, 4 CPU cores, 4 MB of L2 cache & " Godavari" stepping. AMD Athlon X4 880K specifications General information Type CPU / Microprocessor Market segment Desktop Family AMD Athlon X4 Model number 880K Frequency 4000 MHz Turbo frequency 4200 MHz Package 906-pin lidded micro-PGA package Socket Socket FM2+ Size 1.57" x 1.57" / 4cm x 4cm Architecture / Microarchitecture Microarchitecture Steamroller Processor core Godavari Core stepping A1 Manufacturing process 0.028 micron Data width 64 bit The number of CPU cores 4 The number of threads 4 Floating Point Unit Integrated Level 1 cache size 2 x 96 KB shared instruction caches 4 x 16 KB data caches Level 2 cache size 2 x 2 MB shared caches Level 3 cache size None Multiprocessing Uniprocessor Features MMX instructions Extensions to MMX SSE / Streaming SIMD Extensions SSE2 / Streaming SIMD Extensions 2 SSE3 / Streaming SIMD Extensions 3 SSSE3 / Supplemental Streaming SIMD Extensions 3 SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 SSE4a ? AES / Advanced Encryption Standard instructions AVX / Advanced Vector Extensions BMI1 / Bit Manipulation instructions 1 F16C / 16-bit Floating-Point conversion instructions FMA3 / 3-operand Fused Multiply-Add instructions FMA4 / 4-operand Fused Multiply-Add instructions TBM / Trailing Bit Manipulation instructions XOP / e Xtended Operations instructions AMD64 / AMD 64-bit technology AMD-V / AMD Virtualization technology EVP / Enhanced Virus Protection Turbo Core 3.0 technology Low power features Power Now! Integrated peripherals / components Integrated graphics None Memory controller The number of controllers: 1 Memory channels: 2 Supported memory: DDR3-2133 Maximum memory bandwidth (GB/s): 34.1