Market segment Desktop
Family AMD FX-Series
Model number ? FX-8120
CPU part numbers FD8120FRW8KGU is an OEM/tray microprocessor
FD8120FRGUBOX is a boxed microprocessor
Frequency (MHz) ? 3100
Turbo frequency (MHz) 3400 (8 cores)
4000 (4 cores)
Bus speed (MHz) ? One 2200 MHz 16-bit HyperTransport link
Package 938-pin micro-PGA package
Socket Socket AM3+
Introduction date October 12, 2011
Architecture / Microarchitecture
Microarchitecture Bulldozer
Platform Scorpius
Processor core ? Zambezi
Core stepping ? B2
Manufacturing process 0.032 micron
Data width 64 bit
Number of cores 8
Floating Point Unit Integrated
Level 1 cache size ? 4 x 64 KB two-way associative shared instruction caches
8 x 16 KB 4-way associative data caches
Level 2 cache size ? 4 x 2 MB 16-way associative shared exclusive caches
Level 3 cache size 8 MB up to 64-way associative shared cache
Multiprocessing Uniprocessor
Features MMX
SSE
SSE2
SSE3
SSE4 ?
SSE4a ?
AES instructions
Advanced Bit Manipulation ?
Advanced Vector Extensions
AMD64 technology ?
Virtualization technology ?
Enhanced Virus Protection ?
Turbo Core 2.0 technology
Low power features Core C0, C1, C1E, C6 and CC6 states
Package S0, S3, S4 and S5 states
PowerNow!
On-chip peripherals Dual-channel 144-bit DDR3 memory controller
HyperTransport 3.1 technology
Electrical/Thermal parameters
Maximum operating temperature (°C) ? 61
Thermal Design Power (W) ? 125
Notes on AMD FD8120FRW8KGU
The processor has unlocked clock multiplier
The fastest supported memory is DDR3-1866
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