A9-9425 vs A8-6600K

VS

Aggregate performance score

A8-6600K
2013
4 cores / 4 threads, 100 Watt
1.89
+9.2%
A9-9425
2016
2 cores / 2 threads, 15 Watt
1.73

A8-6600K outperforms A9-9425 by a small 9% based on our aggregate benchmark results.

Primary details

Comparing A8-6600K and A9-9425 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19662031
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.23no data
Market segmentDesktop processorLaptop
SeriesAMD A-Series (Desktop)AMD Bristol Ridge
Power efficiency1.7910.91
Architecture codenameRichland (2013−2014)Stoney Ridge (2016−2019)
Release date1 June 2013 (11 years ago)31 May 2016 (8 years ago)
Launch price (MSRP)$142no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A8-6600K and A9-9425 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 speed3.9 GHz3.1 GHz
Boost clock speed4.2 GHz3.7 GHz
L1 cache192 KB128K (per core)
L2 cache4096 KB1 MB (per core)
L3 cache0 KBno data
Chip lithography32 nm28 nm
Die size246 mm2124.5 mm2
Maximum core temperature74 °C90 °C
Maximum case temperature (TCase)74 °C74 °C
Number of transistors1,178 million1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on A8-6600K and A9-9425 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
SocketFM2FT4
Power consumption (TDP)100 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-6600K and A9-9425. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, TBM, FMA4, XOP, SMEP, CPB, AES-NI, RDRAND
AES-NI++
FMAFMA4+
AVXAVX+
PowerNow+-
PowerGating+-
VirusProtect+-

Virtualization technologies

Virtual machine speed-up technologies supported by A8-6600K and A9-9425 are enumerated here.

AMD-V++
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-6600K and A9-9425. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR4
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 8570DAMD Radeon R5 (Stoney Ridge)
Number of pipelines256no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A8-6600K and A9-9425 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A8-6600K and A9-9425 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 11no data

Peripherals

Specifications and connection of peripherals supported by A8-6600K and A9-9425.

PCIe version2.0no data

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.

A8-6600K 1.89
+9.2%
A9-9425 1.73

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.

A8-6600K 3007
+98.9%
A9-9425 1512

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.

A8-6600K 451
+40.9%
A9-9425 320

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.

A8-6600K 1083
+125%
A9-9425 482

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.

A8-6600K 3230
+20.3%
A9-9425 2686

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.

A8-6600K 8040
+85.3%
A9-9425 4338

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.

A8-6600K 4701
+103%
A9-9425 2314

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

A8-6600K 17.9
+44.3%
A9-9425 25.83

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.

A8-6600K 3
+127%
A9-9425 2

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.

A8-6600K 0.96
+6.7%
A9-9425 0.9

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.

A8-6600K 1.9
+100%
A9-9425 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.  

A8-6600K 22
+129%
A9-9425 10

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.  

A8-6600K 106
+110%
A9-9425 51

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

A8-6600K 2595
+191%
A9-9425 891

Geekbench 2

A8-6600K 5820
+28.8%
A9-9425 4518

Gaming performance

Pros & cons summary


Performance score 1.89 1.73
Integrated graphics card 1.12 1.48
Recency 1 June 2013 31 May 2016
Physical cores 4 2
Threads 4 2
Chip lithography 32 nm 28 nm
Power consumption (TDP) 100 Watt 15 Watt

A8-6600K has a 9.2% higher aggregate performance score, and 100% more physical cores and 100% more threads.

A9-9425, on the other hand, has 32.1% faster integrated GPU, an age advantage of 2 years, a 14.3% more advanced lithography process, and 566.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between A8-6600K and A9-9425.

Note that A8-6600K is a desktop processor while A9-9425 is a notebook one.


Should you still have questions on choice between A8-6600K and A9-9425, ask them in Comments section, and we shall answer.

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AMD A8-6600K
A8-6600K
AMD A9-9425
A9-9425

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