Product Overview
| Type | CPU / Microprocessor |
| Market segment | Desktop |
| Family | AMD A6-Series |
| Model number | A6-6400K |
| CPU part numbers | AD640KOKA23HL is an OEM/tray CPU |
| AD640KOKHLBOX is a boxed CPU | |
| Frequency | 3900 MHz |
| Turbo frequency | 4100 MHz |
| Boosted P states [1] # | 1: 4100 MHz, 1.275V |
| #2: 4000 MHz, 1.15V | |
| Package | 904-pin organic lidded micro Pin Grid Array (UOF904) |
| Socket | Socket FM2 |
| Microarchitecture | Piledriver |
| Processor core | Richland |
| Data width | 64 bit |
| The number of cores | 2 |
| The number of threads | 2 |
| Floating Point Unit | Integrated |
| Level 1 cache size | 64 KB |
| Level 2 cache size | 1 MB shared cache |
| Level 3 cache size | None |
