AMD A8-6600K
AMD A6-6420K
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AMD A8-6600K vs AMD A6-6420K. Specifications, performance, tests

User rating
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Released
Q2/2013
AMD A8-6600K
AMD A8-6600K
Released
Q1/2014
User rating
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AMD A6-6420K
AMD A6-6420K

What's the best choice AMD A8-6600K or AMD A6-6420K? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

AMD A8-6600K has a base frequency of 3.90 GHz. 4 CPU Cores / Threads. Stated TDP / base power 100 W. Released in Q2/2013.

AMD A6-6420K has a base frequency of 4.00 GHz. 2 CPU Cores / Threads. Stated TDP / base power 65 W. Released in Q1/2014.

Differences

AMD A8-6600K Reasons to consider
AMD A8-6600K
Report a bug
  • More number of cores

    2 more cores

    4 left arrow 2

Positions in all rankings

Common positions AMD A8-6600K CPU in popular benchmarks, for comparison with other models.

  • Cinebench R15 (Single-Core)
    792 place
  • Cinebench R15 (Multi-Core)
    705 place
  • Geekbench 5, 64bit (Single-Core)
    917 place
  • Geekbench 5, 64bit (Multi-Core)
    892 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    737 place
  • Geekbench 3, 64bit (Single-Core)
    598 place
  • Geekbench 3, 64bit (Multi-Core)
    527 place
  • Cinebench R11.5, 64bit (Single-Core)
    587 place
  • Cinebench R11.5, 64bit (Multi-Core)
    490 place
  • Estimated results for PassMark CPU Mark
    687 place
AMD A6-6420K Reasons to consider
AMD A6-6420K
Report a bug
  • Higher clock speed

    Around 3% better clock speed

    4.00 GHz left arrow 3.90 GHz
  • Lower stated TDP / base power

    Power limits alone do not measure performance per watt.

    65 W left arrow 100 W

Positions in all rankings

Common positions AMD A6-6420K CPU in popular benchmarks, for comparison with other models.

  • iGPU - FP32 Performance (Single-precision GFLOPS)
    1093 place
  • Geekbench 3, 64bit (Single-Core)
    597 place
  • Geekbench 3, 64bit (Multi-Core)
    744 place
  • Cinebench R11.5, 64bit (Single-Core)
    657 place
  • Cinebench R11.5, 64bit (Multi-Core)
    725 place
  • Estimated results for PassMark CPU Mark
    966 place

Specifications

Technical data
AMD A8-6600K AMD A8-6600K
AMD A6-6420K AMD A6-6420K
CPU family and group

Background information about the processors being compared, series, generation and market segment.

  • CPU group
    AMD A8-6000 left arrow AMD A6-6000
  • Family
    AMD A left arrow AMD A
  • Generation
    3 left arrow 3
  • Segment
    Desktop / Server left arrow Desktop / Server
CPU Technical specs

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

  • Base Frequency
    3.9 GHz left arrow 4 GHz
  • Core architecture
    normal left arrow normal
  • CPU Cores
    4 left arrow 2
  • CPU Threads
    4 left arrow 2
  • Hyperthreading / SMT
    No left arrow No
  • Overclocking
    Yes left arrow Yes
  • Turbo Frequency (1 Core)
    4.2 GHz left arrow 4.2 GHz
  • Turbo Frequency (4 Cores)
    4.2 GHz left arrow -
  • Turbo Frequency (2 Cores)
    - left arrow 4.2 GHz
IGPU

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

  • DirectX Version
    11.2 left arrow 11.2
  • Execution units
    4 left arrow 3
  • Generation
    5 left arrow 5
  • GPU Frequency
    840 MHz left arrow 800 MHz
  • GPU name
    AMD Radeon HD 8570D left arrow AMD Radeon HD 8470D
  • GPU Turbo
    No turbo left arrow No turbo
  • Max. displays
    2 left arrow 2
  • Max. GPU Memory
    2 GB left arrow 2 GB
  • Release date
    Q2/2013 left arrow Q2/2013
  • Shader
    256 left arrow 192
  • Technology
    32 nm left arrow 32 nm
Hardware codec support

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

  • AV1
    No left arrow No
  • H.264 / AVC
    Decode left arrow Decode
  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • JPEG
    Decode / Encode left arrow Decode / Encode
  • VC-1
    Decode left arrow Decode
  • VP8
    No left arrow No
  • VP9
    No left arrow No
Memory specs & PCI

Types, channel quantity of RAM supported by AMD A6-6420K and AMD A8-6600K. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • ECC
    No left arrow No
  • Memory channels
    2 left arrow 2
  • Memory type
    DDR3-1866 left arrow DDR3-1866
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD A8-6600K and AMD A6-6420K Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

  • TDP (PL1, legacy label)
    100 W left arrow 65 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD A8-6600K and AMD A6-6420K, virtual machine technologies and process technology.

  • Architecture
    Richland (Piledriver) left arrow Richland (Piledriver)
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 left arrow SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
  • L3-Cache
    4.00 MB left arrow 1.00 MB
  • Release date
    Q2/2013 left arrow Q1/2014
  • Socket
    FM2 left arrow FM2
  • Technology
    32 nm left arrow 32 nm
  • Virtualization
    AMD-V left arrow AMD-V

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD A8-6600K and AMD A6-6420K.

Compare the synthetic test values and choose the best processor!

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games

Higher values are better in this metric.

432.000000
AMD A8-6600K
307.000000
AMD A6-6420K
Geekbench 3, 64bit (Single-Core)
Geekbench 3 SC for one CPU core, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS

Higher values are better in this metric.

2107.000000
AMD A8-6600K
2118.000000
AMD A6-6420K
Geekbench 3, 64bit (Multi-Core)
Geekbench 3 MC using a multi-core and hyperthreading, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS

Higher values are better in this metric.

6038.000000
AMD A8-6600K
3376.000000
AMD A6-6420K
Cinebench R11.5, 64bit (Single-Core)
The PC CPU and GPU test involves rendering a specific 3D scene in single-core mode, based on CINEMA 4D

Higher values are better in this metric.

0.970000
AMD A8-6600K
0.850000
AMD A6-6420K
Cinebench R11.5, 64bit (Multi-Core)
The PC CPU and GPU test involves rendering a specific 3D scene in multi-core mode and hyperthreading, based on CINEMA 4D

Higher values are better in this metric.

3.430000
AMD A8-6600K
1.700000
AMD A6-6420K
Estimated results for PassMark CPU Mark
PassMark is a test suite that performs complex mathematical calculations to determine CPU performance on file compression, encryption and physics-related tasks

Higher values are better in this metric.

4782.000000
AMD A8-6600K
2458.000000
AMD A6-6420K

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