A8-6600K vs FX-8320

VS

Aggregate performance score

FX-8320
2012
8 cores / 8 threads, 125 Watt
3.43
+81.5%
A8-6600K
2013
4 cores / 4 threads, 100 Watt
1.89

FX-8320 outperforms A8-6600K by an impressive 81% based on our aggregate benchmark results.

Primary details

Comparing FX-8320 and A8-6600K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15621983
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.31
Market segmentDesktop processorDesktop processor
Seriesno dataAMD A-Series (Desktop)
Power efficiency2.601.79
Architecture codenameVishera (2012−2015)Richland (2013−2014)
Release date23 October 2012 (12 years ago)1 June 2013 (11 years ago)
Launch price (MSRP)no data$142

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

FX-8320 and A8-6600K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores8 (Octa-Core)4 (Quad-Core)
Threads84
Base clock speed3.5 GHz3.9 GHz
Boost clock speed4 GHz4.2 GHz
L1 cacheno data192 KB
L2 cache8192 KB4096 KB
L3 cacheno data0 KB
Chip lithography32 nm32 nm
Die size315 mm2246 mm2
Maximum core temperature61 °C74 °C
Maximum case temperature (TCase)no data74 °C
Number of transistors1,200 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++
P0 Vcore voltageMin: 1.2 V - Max: 1.4 Vno data

Compatibility

Information on FX-8320 and A8-6600K compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketAM3+FM2
Power consumption (TDP)125 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8320 and A8-6600K. You'll probably need this information if you require some particular technology.

AES-NI++
FMA+FMA4
AVX+AVX
PowerNow-+
PowerGating-+
VirusProtect-+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8320 and A8-6600K are enumerated here.

AMD-V++
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8320 and A8-6600K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1866
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon HD 8570D
จำนวนพาธไลน์no data256
Enduro-+
Switchable graphics-+
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of FX-8320 and A8-6600K integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by FX-8320 and A8-6600K integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 11

Peripherals

Specifications and connection of peripherals supported by FX-8320 and A8-6600K.

PCIe versionn/a2.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

FX-8320 3.43
+81.5%
A8-6600K 1.89

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

FX-8320 5441
+81.5%
A8-6600K 2998

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

FX-8320 460
+2.9%
A8-6600K 447

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

FX-8320 1809
+69.1%
A8-6600K 1070

3DMark Fire Strike Physics

FX-8320 6460
+62.7%
A8-6600K 3970

Gaming performance

Pros & cons summary


Performance score 3.43 1.89
Recency 23 October 2012 1 June 2013
Physical cores 8 4
Threads 8 4
Power consumption (TDP) 125 Watt 100 Watt

FX-8320 has a 81.5% higher aggregate performance score, and 100% more physical cores and 100% more threads.

A8-6600K, on the other hand, has an age advantage of 7 months, and 25% lower power consumption.

The FX-8320 is our recommended choice as it beats the A8-6600K in performance tests.


Should you still have questions on choice between FX-8320 and A8-6600K, ask them in Comments section, and we shall answer.

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AMD FX-8320
FX-8320
AMD A8-6600K
A8-6600K

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Community ratings

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Questions & comments

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