AMD A6-6400K
AMD A6-6420K
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AMD A6-6400K vs AMD A6-6420K. Specifications, performance, tests

Overall score
star star star star star
Released
Q2/2013
AMD A6-6400K
AMD A6-6400K
Released
Q1/2014
Overall score
star star star star star
AMD A6-6420K
AMD A6-6420K

Compare AMD A6-6400K VS AMD A6-6420K. Which processor delivers superior performance?

In this detailed comparison, we evaluate the specifications and benchmarks of both processors to determine the best choice for your needs. We analyze their core counts, maximum frequencies, and power consumption.

AMD A6-6400K boasts a maximum frequency of 3.90 GHz GHz. 2 cores that enhance multitasking capabilities.With a power consumption of 65 W W, it ensures efficient performance.Released in Q2/2013, it incorporates the latest technology for optimal efficiency.

AMD A6-6420K features a maximum frequency of 4.00 GHz GHz. 2 cores designed for high-performance tasks.Its power consumption is 65 W W, providing a balance of power and efficiency.Launched in Q1/2014, it is built to handle demanding applications.

Differences

AMD A6-6400K Reasons to consider
AMD A6-6400K
Report a bug
  • Place in the overall ranking

    (based on several benchmarks)

    1502 left arrow score

Positions in all rankings

Common positions AMD A6-6400K CPU in popular benchmarks, for comparison with other models.

  • Cinebench R20 (Multi-Core)
    522 place
  • Geekbench 5, 64bit (Single-Core)
    1174 place
  • Geekbench 5, 64bit (Multi-Core)
    1426 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    1144 place
  • Geekbench 3, 64bit (Single-Core)
    610 place
  • Geekbench 3, 64bit (Multi-Core)
    753 place
  • Cinebench R11.5, 64bit (Single-Core)
    697 place
  • Cinebench R11.5, 64bit (Multi-Core)
    750 place
  • Estimated results for PassMark CPU Mark
    1157 place
AMD A6-6420K Reasons to consider
AMD A6-6420K
Report a bug
  • Place in the overall ranking

    (based on several benchmarks)

    1399 left arrow score
  • Higher clock speed

    Around 3% better clock speed

    4.00 GHz left arrow 3.90 GHz
  • Higher turbo clock speed

    Around 2 % better overclocked clock speed

    4.20 GHz left arrow 4.10 GHz

Positions in all rankings

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

  • iGPU - FP32 Performance (Single-precision GFLOPS)
    1150 place
  • Geekbench 3, 64bit (Single-Core)
    597 place
  • Geekbench 3, 64bit (Multi-Core)
    750 place
  • Cinebench R11.5, 64bit (Single-Core)
    620 place
  • Cinebench R11.5, 64bit (Multi-Core)
    735 place
  • Estimated results for PassMark CPU Mark
    1146 place

Specifications

Technical data
AMD A6-6400K AMD A6-6400K
AMD A6-6420K AMD A6-6420K
CPU family and group

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

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

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

  • Frequency
    3.90 GHz left arrow 4.00 GHz
  • CPU Cores
    2 left arrow 2
  • Turbo (1 Core)
    4.10 GHz left arrow 4.20 GHz
  • CPU Threads
    2 left arrow 2
  • Turbo (2 Cores)
    4.10 GHz left arrow 4.20 GHz
  • Hyperthreading
    No left arrow No
  • Overclocking
    Yes left arrow Yes
  • Core architecture
    normal left arrow normal
IGPU

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

  • GPU name
    AMD Radeon HD 8470D left arrow AMD Radeon HD 8470D
  • GPU frequency
    0.80 GHz left arrow 0.80 GHz
  • GPU (Turbo)
    No turbo left arrow No turbo
  • Execution units
    3 left arrow 3
  • Shader
    192 left arrow 192
  • Max. GPU Memory
    2 GB left arrow 2 GB
  • Max. displays
    2 left arrow 2
  • Generation
    5 left arrow 5
  • DirectX Version
    11.2 left arrow 11.2
  • Technology
    32 nm left arrow 32 nm
  • Release date
    Q2/2013 left arrow Q2/2013
Hardware codec support

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    Decode left arrow Decode
  • VP9
    No left arrow No
  • VP8
    No left arrow No
  • AV1
    No left arrow No
  • AVC
    Decode left arrow Decode
  • VC-1
    Decode left arrow Decode
  • JPEG
    Decode / Encode left arrow Decode / Encode
Memory specs & PCI

Overview of the types and quantities of RAM supported by AMD A6-6420K and AMD A6-6400K. The supported memory frequencies may vary depending on the motherboard configuration.

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

Analyze the TDP (Thermal Design Power) requirements of AMD A6-6400K and AMD A6-6420K to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

  • TDP (PL1)
    65 W left arrow 65 W
Technologies and extensions

Information on architecture, interfaces, and additional instructions supported by AMD A6-6400K and AMD A6-6420K, including virtual machine technologies and fabrication processes.

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

Benchmarks

Performance tests CPUs

By analyzing the results from various benchmarks, you can gain a clearer understanding of the performance differences between AMD A6-6400K and AMD A6-6420K.

Compare the synthetic benchmark scores and make an informed decision on the best processor for your needs!

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
307
AMD A6-6400K
307
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
2063
AMD A6-6400K
2118
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
3292
AMD A6-6400K
3376
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
0.83
AMD A6-6400K
0.85
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
1.66
AMD A6-6400K
1.7
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
2397
AMD A6-6400K
2458
AMD A6-6420K

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