Reviewed : AMD FX 8320E CPU

Specifications

amd-fx-processor

AMD FX 8320E

Frequency 3.2/4.0 GHz
AMD64 Technology Yes
Simultaneous 32- & 64-bit computing Yes
L1 Cache (Instruction + Data) per core 128KB (64KB + 64KB)
L2 Cache (1MB per core) 8MB
L3 Cache 8MB (shared L3)
HyperTransport™ Technology HyperTransport™ Technology up to 4000MT/s full duplex,
or up to 16.0GB/s I/O Bandwidth
Integrated DDR3 Memory Controller Yes
Memory Controller Width 128-bit
Type of Memory Supported Up to DDR3 1866
Memory Bandwidth Up to 21 GB/s dual channel memory bandwidth
Total Processor-to-system Bandwidth
(HyperTransport plus memory bandwidth)
Up to 37 GB/s
Process Technology 32 nanometre, SOI (silicon-on-insulator) Technology
Packaging AM3+
Thermal Design Power 95W
Manufacturing Sites GLOBALFOUNDRIES Dresden, Germany 

Features

The FX 8320E has an unlocked multiplier which means that you can squeeze more performance out of the chip depending on your motherboard/memory combination, your cooling choice and the famous silicon lottery. Also note the 8-core package for handling multithreaded applications.

AMD has included the following instruction capabilities

  • AVX – Advanced Vector Extensions increase parallelism for scientific and 3D apps using heavy floating point calculations
  • FMA4 and XOP – Floating-Point Vector Multiply-Accumulate and eXtended Operations improves throughput and performance on many integer and floating point vector functions
  • AES – Advanced Encryption Standard increases performance on encryption apps like TrueCrypt® and PCMark®

AMD Turbo CORE Technology

  • AMD FX Processors come equipped with AMD Turbo CORE Technology.
  • AMD Turbo CORE Technology is a performance boosting technology that helps increase performance on the applications that need it the most.

AMD Balanced Smart Cache

  • Shared L3 cache ( up to 8MB)
  • Improved scheduling and pre-fetch capabilities
  • 64-ways (16-ways/sub-cache)
  • Increased data queue sizes
  • Coherency for 8-cores

AMD Wide Floating Point Accelerator

  • Shared FP Scheduler
  • Dual 128-bit Floating point engines – capable of teaming together for 256-bit AVX instructions or operating separately with each core

HyperTransport™ Technology

  • One 16-bit link at up to 5600MT/s
  • Up to 8.0GB/s HyperTransport™ I/O bandwidth; Up to 16GB/s in HyperTransport Generation 3.0 mode
  • Up to 37GB/s total delivered processor-to-system bandwidth (HyperTransport bus + memory bus)
  • Benefit: Quick access times to system I/O for better performance.

Integrated DRAM Controller with AMD Memory Optimizer Technology

  • A high-bandwidth, low-latency integrated memory controller
  • Supports up to DDR3-1866
  • Supports new low voltage memories of 1.35V and 1.2V
  • Up to 29.9GB/s memory bandwidth for DDR3
  • New Pre-Fetcher improvements
  • Direct communications to each core in Dual-Core module (APIC registers in each core)
  • Benefit: Optimized memory controller to feed more cores.

AMD Virtualization™ (AMD-V™) Technology with IOMMU

  • Silicon feature-set enhancements designed to improve the performance, reliability and security of existing and future virtualization environments by allowing virtualized applications with direct and rapid access to their allocated memory.
  • IOMMU is an extension to AMD64 architecture to support address translation and access protection on DMA transfers
  • Security for User Level application and Virtual Machine guest operating system
  • Address translation and access control
  • Device isolation
  • Device assignment in virtualized systems
  • Security and trusted boot support
  • Unified interrupt management
  • Benefit: Helps virtualization software to run more securely and efficiently enabling a better experience when dealing with virtual systems

AMD PowerNow!™ AMD Technology (Cool’n’Quiet™ Technology)

  • Enhanced power management features which automatically and instantaneously adjusts performance states and features based on processor performance requirements
  • C6 power state flushes the cache and removes voltage from individual cores to help reduce power consumption
  • CC6 power state puts all cores in C6 into an even lower power state
  • for quieter operation and reduced power requirements
  • Separate memory controller power control
  • IO-based c-state interface
  • Works automatically without the need for drivers or BIOS enablement.
  • Power can be switched on or off within a single clock cycle, saving energy with minimal impact to performance
  • Benefit: Helps users get more efficient performance by dynamically activating or turning off parts of the processor.

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