Intel Core i7-6700K
AMD Ryzen 7 5800
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Intel Core i7-6700K vs AMD Ryzen 7 5800. Specifications, performance, tests

User rating
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Released
Q3/2015
Intel Core i7-6700K
Intel Core i7-6700K
Released
Q2/2021
User rating
star star star star star
AMD Ryzen 7 5800
AMD Ryzen 7 5800

What's the best choice Intel Core i7-6700K or AMD Ryzen 7 5800? Which processor is faster?

Compare the available specifications of these models.

Intel Core i7-6700K has a base frequency of 4.00 GHz. 4 CPU Cores / Threads. Stated TDP / base power 91 W. Released in Q3/2015.

AMD Ryzen 7 5800 has a base frequency of 3.40 GHz. 8 CPU Cores / Threads. Stated TDP / base power 65 W. Released in Q2/2021.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    200 left arrow place
  • Higher clock speed

    Around 18% better clock speed

    4.00 GHz left arrow 3.40 GHz

Positions in all rankings

Common positions Intel Core i7-6700K CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    208 place
  • Cinebench R23 (Multi-Core)
    222 place
  • Cinebench R20 (Single-Core)
    253 place
  • Cinebench R20 (Multi-Core)
    252 place
  • Cinebench R15 (Single-Core)
    189 place
  • Cinebench R15 (Multi-Core)
    327 place
  • Geekbench 5, 64bit (Single-Core)
    287 place
  • Geekbench 5, 64bit (Multi-Core)
    407 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    667 place
  • Blender 2.81 (bmw27)
    87 place
  • Geekbench 3, 64bit (Single-Core)
    41 place
  • Geekbench 3, 64bit (Multi-Core)
    191 place
  • Cinebench R11.5, 64bit (Single-Core)
    29 place
  • Cinebench R11.5, 64bit (Multi-Core)
    177 place
  • Cinebench R11.5, 64bit (iGPU, OpenGL)
    46 place
  • Estimated results for PassMark CPU Mark
    336 place
AMD Ryzen 7 5800 Reasons to consider
AMD Ryzen 7 5800
Report a bug
  • More number of cores

    4 more cores

    8 left arrow 4
  • Higher turbo clock speed

    Around 10 % higher specified turbo frequency

    4.60 GHz left arrow 4.20 GHz
  • Lower stated TDP / base power

    Power limits alone do not measure performance per watt.

    65 W left arrow 91 W

Specifications

Technical data
Intel Core i7-6700K Intel Core i7-6700K
AMD Ryzen 7 5800 AMD Ryzen 7 5800
CPU family and group

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

  • CPU group
    Intel Core i 6000 left arrow AMD Ryzen 5000
  • Family
    Intel Core i7 left arrow AMD Ryzen
  • Generation
    6 left arrow 4
  • Predecessor
    - left arrow AMD Ryzen 7 3800X
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Successor
    Intel Core i7-7700K left arrow -
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
    4 GHz left arrow 3.4 GHz
  • Core architecture
    normal left arrow normal
  • CPU Cores
    4 left arrow 8
  • CPU Threads
    8 left arrow 16
  • Hyperthreading / SMT
    Yes left arrow Yes
  • Overclocking
    Yes left arrow Yes
  • Turbo Frequency (1 Core)
    4.2 GHz left arrow 4.6 GHz
  • Turbo Frequency (4 Cores)
    4 GHz left arrow -
  • Turbo Frequency (8 Cores)
    - left arrow 4 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
    12 left arrow -
  • Execution units
    24 left arrow -
  • Generation
    9 left arrow -
  • GPU Frequency
    350 MHz left arrow -
  • GPU name
    Intel HD Graphics 530 left arrow no iGPU
  • GPU Turbo
    1150 MHz left arrow No turbo
  • Max. displays
    3 left arrow -
  • Max. GPU Memory
    64 GB left arrow -
  • Release date
    Q3/2015 left arrow -
  • Shader
    192 left arrow -
  • Technology
    14 nm left arrow -
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 / Encode left arrow No
  • h265 / HEVC (8 bit)
    Decode / Encode left arrow No
  • h265 / HEVC (10 bit)
    Decode left arrow No
  • JPEG
    Decode / Encode left arrow No
  • VC-1
    Decode left arrow No
  • VP8
    Decode / Encode left arrow No
  • VP9
    Decode left arrow No
Memory specs & PCI

Types, channel quantity of RAM supported by AMD Ryzen 7 5800 and Intel Core i7-6700K. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • ECC
    No left arrow Yes
  • Max. Memory
    64 GB left arrow 128 GB
  • Memory channels
    2 left arrow 2
  • Memory type
    - left arrow DDR4-3200
  • PCIe lanes
    16 left arrow 20
  • PCIe version
    3.0 left arrow 4.0
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i7-6700K and AMD Ryzen 7 5800 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

  • Maximum Operating Temperature
    - left arrow 95 °C
  • TDP (PL1, legacy label)
    91 W left arrow 65 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i7-6700K and AMD Ryzen 7 5800, virtual machine technologies and process technology.

  • Architecture
    Skylake S left arrow Vermeer (Zen 3)
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4.1, SSE4.2, AVX2 left arrow SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
  • L2-Cache
    - left arrow 4 MB
  • L3-Cache
    8 MB left arrow 32 MB
  • Release date
    Q3/2015 left arrow Q2/2021
  • Socket
    LGA 1151 left arrow AM4
  • Technology
    14 nm left arrow 7 nm
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow AMD-V, SVM

Benchmarks

Performance tests CPUs
Individual model tests

These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.

Intel Core i7-6700K

AMD Ryzen 7 5800

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

RandomX / XMRig 6.25.0 / 1M / 16 threads / windows

Model ResultReported conditions
AMD Ryzen 7 5800 7556.1802 H/s RandomX / XMRig 6.25.0 / 1M / 16 threads / windows
System RAM: 32 GB
OS: Windows NT 10.0
Duration: 132.342 s
User-submitted run; tuning and power settings are incomplete.

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