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AMD FX-Series FX-8320 - FD8320FRW8KHK / FD8320FRHKBOX

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AMD FX-8320 specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyAMD FX-Series
Model number  ? FX-8320
CPU part numbers
  • FD8320FRW8KHK is an OEM/tray microprocessor
  • FD8320FRHKBOX is a boxed microprocessor
Frequency  ? 3500 MHz
Turbo frequency4000 MHz
Boosted P states [1]#1: 4000 MHz, 1.425V
#2: 3700 MHz, 1.4125V
Bus speed  ? One 2600 MHz 16-bit HyperTransport link
Package938-pin micro-PGA package
SocketSocket AM3+
Weight [1]1.4oz / 38.4g (CPU)
1lb 5.6oz / 612.2g (box)
Introduction dateOctober 23, 2012
Price at introduction$169
Architecture / Microarchitecture
Processor core  ? Vishera
Core stepping  ? OR-C0
Manufacturing process0.032 micron
Data width64 bit
The number of cores8
The number of threads8
Floating Point UnitIntegrated
Level 1 cache size  ? 4 x 64 KB shared instruction caches
8 x 16 KB data caches
Level 2 cache size  ? 4 x 2 MB shared exclusive caches
Level 3 cache size8 MB shared cache
  • MMX instructions
  • 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
  • ABM / Advanced Bit Manipulation  ? 
  • AVX / Advanced Vector Extensions
  • BMI1 / Bit Manipulation instructions 1
  • FMA3 / 3-operand Fused Multiply-Add instructions
  • FMA4 / 4-operand Fused Multiply-Add instructions
  • F16C / 16-bit Floating-Point conversion instructions
  • TBM / Trailing Bit Manipulation instructions
  • XOP / eXtended Operations instructions
  • AMD64 / AMD 64-bit technology  ? 
  • VT / Virtualization technology  ? 
  • EVP / Enhanced Virus Protection  ? 
  • Turbo Core 3.0 technology
Low power featuresPowerNow!
Low power P states [1]#1: 2900 MHz, 1.3V
#2: 2300 MHz, 1.1875V
#3: 1700 MHz, 1.0625V
#4: 1400 MHz, 0.95V
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Supported memory: DDR3-1866
    Maximum memory bandwidth (GB/s): 29.9
Other peripheralsHyperTransport technology  ? 
Electrical / Thermal parameters
Thermal Design Power  ? 125 Watt
Notes on AMD FX-8320
  • The processor has unlocked clock multiplier

[1] - These characteristics were measured on a single CPU, and they can vary slightly for other processors with the same model number

Detailed side-by-side comparison

For detailed comparision of the AMD FX-8320 and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: FX-8320, FD8320FRW8KHK, AMD FX-Series 3.5GHz, Vishera Socket AM3+

Historical price chart

The chart below shows official prices of AMD FX-8120, FX-8320 and FX-8150 processors:

Historical official prices of FX-8120, FX-8320 and FX-8150 processors


Q: My processor is running 55C under load. Is this normal?
A: Safe CPU temperatures are 60 degrees Celsius and below. It may still run fine with CPU temperatures, exceeding 60C threshold by a few degrees. Running the FX-8320 close to 70 degrees and higher is not recommended.

Q: I have an AMD FX-8320 CPU. Can I upgrade it?
A: Probably yes. Processor compatibility is determined by your motherboard. Please check website for CPU support list for your board.

FX-8320 Overclocking

Sorry, overclocking information is not available at this time.

Related news stories

AMD cuts prices of desktop CPUs
May 01, 2013: Earlier this week AMD announced new processors, expanding the line of high-end FX CPUs with quad-core FX-4350 and six-core FX-6350. It's not uncommon for AMD to lower prices when launching new products, and this time it was not an exception. Based on the latest official AMD price list, the company cut prices of ten A-Series and FX-Series chips by as much as 19%.

AMD plans to cut processor prices, launch A4-4000 APU
Mar 22, 2013: AMD Richland APUs are scheduled to launch at the beginning of June, at about the same time as Intel Haswell desktop CPUs. According to DigiTimes, prior to the launch AMD is going to reduce prices of FX microprocessors and A-Series APUs. The prices will be dropped by 8% - 15% on the following SKUs: FX-4300, FX-6300, FX-8320 and A-Series A6-5600K. It is possible that we may see lower prices for other APUs as well.

AMD FX-8000 CPU series: What is under the lid?
Jan 13, 2013: This is not going to be a long and boring article explaining different features of AMD FX microprocessors. Instead, we will have some fun actually looking under the lid. As you may know, top of the line FX-series processors are shipped in tin cans, which creates an illusion of more expensive, and consequently better quality products. The top lid of the can has an insert, that keeps the lid in place when it's closed.

AMD introduces second-generation FX processors
Oct 23, 2012: AMD today introduced second-generation FX-Series microprocessors, based on Piledriver microarchitecture. The released lineup consists of 4 products, having 4, 6, and 8 CPUs cores, and operating frequencies up to 4.2 GHz. The fastest processor in the series, eight-core FX-8350, has up to 15% higher performance than the former flagship FX-8150 model. Three other CPUs, FX-4300, FX-6300 and FX-6320, also offer better performance than their first-generation counterparts.

Prices of upcoming AMD FX microprocessors
Oct 18, 2012: Less than a week left before the launch AMD FX processors with "Vishera" core. The new processors will be faster than older "Zambezi" CPUs, although it remains to be seen by how much. The performance will be one of the factors determining success of new products. Another factor will be how well they are positioned against Intel Core i3/i5 lineups, and against AMD's older FX models, and this directly relates to their pricing.

AMD A-Series to launch on October 2, FX-Series on October 23
Sep 25, 2012: While Intel is almost done releasing new desktop processors for the rest of the year, AMD has only started. Next month we will see new lineups, based on the latest AMD Piledriver microarchitecture, which is a tweaked for better performance and power consumption Bulldozer architecture. A-Series "Trinity" Accelerated Processing Units will target budget / mainstream segments of the desktop market, and, according to SemiAccurate, they will be introduced on October 2.

Pre-order prices of AMD FX "Piledriver" CPUs
Sep 20, 2012: Next generation of AMD FX microprocessors is around the corner. Built on "Vishera" design, new FX chips will have from 4 to 8 CPU cores, and pack as much as 16 MB of combined L2 and L3 cache on a chip. The CPUs will feature better performance than the first Bulldozer models, partially due to more efficient "Piledriver" microarchitecture, and partially due to higher stock frequencies. The FX processors will be available in October, while some reports place the launch as early as October 1.

AMD FX-8300 and FX-8320 to launch in October
Jul 15, 2012: We previously reported on new AMD FX-8350 eight core microprocessor, coming in the fourth quarter. Due to improved micro-architecture and higher stock frequency, that part will offer moderate performance boost over current flagship AMD FX-8150. The FX-8350 is not going to be released alone. According to Fudzilla, AMD plans to launch FX-8300 and FX-8320 eight-core models together with the 8350.

Compare AMD FX-8320 benchmark results with all tested CPUs from one of the following families:

To compare this FX-Series CPU with any tested processor please proceed to

For additional benchmarks, comparing multi-threaded performance of this microprocessor with other FX-Series CPUs and the fastest AMD and Intel x86 chips, please visit AMD FX-8320 benchmarks page.

AMD FX-8320 Benchmarks

The graphs below show up to 10 microprocessors with approximately the same level of integer (CPU), floating-point (FPU), SIMD and memory performance. All processors were not overclocked, and were tested at a nominal frequency, with a stock heatsink and default BIOS settings. Click on the '?' mark next to each model name to see specifications of that model, and details of the test platform. To find out how the FX-8320 compares to other CPUs in specific benchmarks or in aggregate milti-threading performance please see benchmark tools section on the right.

Benchmarked processor

CPU ID:600F20
CPU vendor string:AuthenticAMD
CPU name string:AMD FX(tm)-8320 Eight-Core Processor

Integer performance

Part number   Result
AMD FX-8350  ? 
AMD Phenom II X6 1090T  ? 
AMD FX-8150  ? 
AMD Phenom II X6 1075T (non-BE)  ? 
AMD Phenom II X6 1065T  ? 
AMD FX-8320  ? 
Intel Core i7-875K  ? 
Intel Core i7-870  ? 
Intel Core i7-2600S  ? 
AMD Phenom II X6 1055T (95W)  ? 
AMD Phenom II X6 1055T (125W)  ? 

Floating Point performance

Part number   Result
AMD Phenom II X4 970 (rev. E0)  ? 
AMD FX-8150  ? 
AMD Phenom II X4 970 (rev. C3)  ? 
AMD Phenom II X4 965 (140W, BE)  ? 
AMD Phenom II X4 965 (125W, BE)  ? 
AMD FX-8320  ? 
AMD Phenom II X4 955 (125W, rev. C3, BE)  ? 
AMD Phenom II X4 955 (125W, rev. C2)  ? 
AMD Phenom II X4 955 (125W, rev. C2, BE)  ? 
AMD Phenom II X4 840  ? 
AMD Phenom II X4 B97  ? 

MMX / SSE / SSE2 performance

Part number   Result
Intel Core i7-875K  ? 
Intel Core i7-870  ? 
Intel Core i7-940  ? 
AMD Phenom II X6 1100T  ? 
AMD FX-8150  ? 
AMD FX-8320  ? 
AMD Phenom II X6 1090T  ? 
Intel Core i7-860  ? 
Intel Core i7-920  ? 
AMD Phenom II X6 1075T (non-BE)  ? 
AMD Phenom II X6 1065T  ? 

Memory-intensive program performance

Part number   Result
Intel Core i7-2600  ? 
Intel Core i7-2600S  ? 
AMD FX-8350  ? 
AMD FX-6350  ? 
AMD FX-4350  ? 
AMD FX-8320  ? 
Intel Core i7-875K  ? 
Intel Core i7-870  ? 
AMD FX-8150  ? 
AMD FX-4170  ? 
AMD FX-6300  ? 

CPU ID information for the FX-8320

Our CPUID database contains 7 records for this microprocessor. See all submitted records.

Use our CPU identification tool to check features of your CPU.

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the AMD FX-Series FX-8320 CPU.

CPU Family:FX-Series
Model Number:FX-8320
Frequency:4400 MHz
Part number:
Stepping Code:
Submitted by:
General information
Processor name (BIOS):AMD FX(tm)-8320 Eight-Core Processor
Compute units:4
Logical processors:8
Processor type:Original OEM Processor
Core stepping:OR-C0
CPUID signature:600F20
Family:21 (015h)
Model: 2 (02h)
Stepping: 0 (00h)

Cache: L1 data L1 instruction L2 L3
Size: 8 x 16 KB 4 x 64 KB 4 x 2 MB 8 MB
Associativity: 4-way set
2-way set
16-way set
64-way set
Line size: 64 bytes 64 bytes 64 bytes 64 bytes
Comments: Direct-mapped Direct-mapped
1 cache per 2 cores
1 cache per 2 cores
Shared between all cores
Instruction set extensionsAdditional instructions
MMX Advanced Bit manipulation
AMD extensions to MMX CLFLUSH
Major featuresOther features
On-chip Floating Point Unit 1 GB large page support
64-bit / Intel 64 100MHz multiplier control
NX bit/XD-bit 128-bit SSE instructions
Secure Virtual Machine (Virtualization) 36-bit page-size extensions
Turbo Core Advanced programmable interrupt controller
PowerNow! / Cool'n'Quiet Core multi-processing legacy mode
  Debugging extensions
  Extended APIC space
  FXSAVE/FXRSTOR optimizations
  Hardware P-state control
  Hardware thermal control
  Instruction based sampling
  LAHF/SAHF support in 64-bit mode
  LBR virtualization
  LOCK MOV CR0 means MOV CR8
  Lightweight profiling support
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Misaligned SSE mode
  Model-specific registers
  Nested page tables
  OS visible workaround
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  SVM lock
  Support for NRIP save
  TSC rate is ensured to be invariant across all states
  Temperature sensor
  Time stamp counter
  Translation Cache Extension
  Virtual 8086-mode enhancements
  Watchdog timer support

CPUs, related to AMD FX-8320

Model Cores /
Frequency Turbo
TDP Features Price  
AMD FX-Series family, Socket AM3+
   FX-61006 / 63.3 GHz3.9 GHz8 MB95W$112>
   FX-61206 / 63.5 GHz4.1 GHz8 MB95W >
   FX-63006 / 63.5 GHz4.1 GHz8 MB95W$112>
   FX-62006 / 63.8 GHz4.1 GHz8 MB125W$132>
   FX-63506 / 63.9 GHz4.2 GHz8 MB125W$132>
   FX-81008 / 82.8 GHz3.7 GHz8 MB95W >
   FX-81208 / 83.1 GHz4 GHz8 MB125W$153>
   FX-8120 (95W)8 / 83.1 GHz4 GHz8 MB95W >
   FX-81408 / 83.2 GHz4.1 GHz8 MB95W >
   FX-83008 / 83.3 GHz4.2 GHz8 MB95W >
   FX-83208 / 83.5 GHz4 GHz8 MB125W$153 
   FX-81508 / 83.6 GHz4.2 GHz8 MB125W$183>
   FX-83508 / 84 GHz4.2 GHz8 MB125W$195>
   FX-93708 / 84.4 GHz4.7 GHz8 MB220W$224>
   FX-95908 / 84.7 GHz5 GHz8 MB220W$306>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the FX-8320
 • Click on the >  icon to compare any CPU in the table with the AMD FX-8320 (Javascript required).
 • The 'Price' column shows official AMD prices as of Apr 9, 2014. Prices for obsolete and tray-only processors are not provided.
 • List of related CPUs is not complete.

Pictures (5)

AMD FX-8320 box pictures
2012-11-23 12:33:55
Posted by: gshv

The boxed processor is shipped in a tin can, which is identical to tin cans of FX-8120/8150 CPUs. Besides the CPU, the box contains processor installation instructions, and a good quality (good for stock processor that is) fan/heatsink with copper base and heatpipes.
AMD FX-8320 box pictures
2012-11-23 12:34:40
Posted by: gshv

Back view
2012-11-23 12:35:13
Posted by: gshv

Side view
2012-11-23 12:36:01
Posted by: gshv

Front view
2012-12-18 05:53:31
Posted by: Nitesmoker

Comments (1)

You're welcome to post suggestions, corrections, your own personal AMD FX-8320 review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.

tin box

2014-02-19 12:47:12
Posted by: Athlonite

not all come in a tin box mine just came in the standard cardboard box

also aren't these CPU's supposed to handle higher frequency ram 2000MHz and above via XPM/AMP profiles

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