A6-6400K vs A8-5600K

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Aggregated performance score

A8-5600K
2012
4 cores / 4 threads
1.84
+89.7%

A8-5600K outperforms A6-6400K by 90% based on our aggregated benchmark results.

Primary Details

Comparing A8-5600K and A6-6400K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking18822366
Place by popularitynot in top-100not in top-100
Cost-Effectiveness Evaluation3.690.12
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)AMD A-Series (Desktop)
Architecture codenameTrinity (2012−2013)Richland (2013−2014)
Release date2 October 2012 (11 years ago)1 June 2013 (10 years ago)
Current price$52 $80

Cost-Effectiveness Evaluation

Performance per price, higher is better.

A8-5600K has 2975% better value for money than A6-6400K.

Detailed Specifications

A8-5600K and A6-6400K 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed3.6 GHz3.9 GHz
Boost clock speed3.9 GHz4.1 GHz
L1 cache128K (per core)96 KB
L2 cache1 MB (per core)1024 KB
L3 cache0 KB0 KB
Chip lithography32 nm32 nm
Die size246 mm2246 mm2
Maximum core temperatureno data70 °C
Maximum case temperature (TCase)74 °C70 °C
Number of transistors1,178 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierYesYes

Compatibility

Information on A8-5600K and A6-6400K 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
SocketFM2FM2
Power consumption (TDP)100 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-5600K and A6-6400K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0
AES-NIno data+
FMAno dataFMA4
AVXno data+
PowerTuneno data-
TrueAudiono data-
PowerNowno data+
PowerGatingno data+
Out-of-band client managementno data-
VirusProtectno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-5600K and A6-6400K are enumerated here.

AMD-V++
IOMMU 2.0no data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-5600K and A6-6400K. 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 card
Compare
AMD Radeon HD 7560DAMD Radeon HD 8470D
Number of pipelinesno data192
Endurono data+
Switchable graphicsno data1
UVDno data+
VCEno data+

Graphics interfaces

Available interfaces and connections of A8-5600K and A6-6400K integrated GPUs.

DisplayPortno data+
HDMIno data+

Graphics API support

APIs supported by A8-5600K and A6-6400K integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 11

Peripherals

Specifications and connection of peripherals supported by A8-5600K and A6-6400K.

PCIe versionno data2.0

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.

A8-5600K 1.84
+89.7%
A6-6400K 0.97

A8-5600K outperforms A6-6400K by 90% based on our aggregated benchmark results.


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.

Benchmark coverage: 68%

A8-5600K 2849
+90.7%
A6-6400K 1494

A8-5600K outperforms A6-6400K by 91% in Passmark.

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.

Benchmark coverage: 42%

A8-5600K 440
+7.3%
A6-6400K 410

A8-5600K outperforms A6-6400K by 7% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

A8-5600K 1058
+82.4%
A6-6400K 580

A8-5600K outperforms A6-6400K by 82% in GeekBench 5 Multi-Core.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

A8-5600K 2941
A6-6400K 3068
+4.3%

A6-6400K outperforms A8-5600K by 4% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

A8-5600K 8838
+74%
A6-6400K 5079

A8-5600K outperforms A6-6400K by 74% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

A8-5600K 4295
+61.8%
A6-6400K 2654

A8-5600K outperforms A6-6400K by 62% in 3DMark06 CPU.

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Benchmark coverage: 17%

A8-5600K 3
+92.8%
A6-6400K 2

A8-5600K outperforms A6-6400K by 93% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 15%

A8-5600K 292
+96%
A6-6400K 149

A8-5600K outperforms A6-6400K by 96% in Cinebench 15 64-bit multi-core.

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Benchmark coverage: 15%

A8-5600K 87
A6-6400K 88
+1.1%

A6-6400K outperforms A8-5600K by 1% in Cinebench 15 64-bit single-core.

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Benchmark coverage: 14%

A8-5600K 0.98
+18.1%
A6-6400K 0.83

A8-5600K outperforms A6-6400K by 18% in Cinebench 11.5 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

A8-5600K 1.8
+87.5%
A6-6400K 1

A8-5600K outperforms A6-6400K by 88% in TrueCrypt AES.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

A8-5600K 102
+80%
A6-6400K 57

A8-5600K outperforms A6-6400K by 80% in x264 encoding pass 1.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

A8-5600K 21
+86.9%
A6-6400K 11

A8-5600K outperforms A6-6400K by 87% in x264 encoding pass 2.

Gaming performance

Pros & Cons Summary


Performance score 1.84 0.97
Integrated graphics card 1.18 0.94
Recency 2 October 2012 1 June 2013
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 100 Watt 65 Watt

The A8-5600K is our recommended choice as it beats the A6-6400K in performance tests.


Should you still have questions on choice between A8-5600K and A6-6400K, ask them in Comments section, and we shall answer.

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