Intel Core i7-8700B
Intel Core i7-8700K
Select video card 1
Select video card 2

Intel Core i7-8700B vs Intel Core i7-8700K. Specifications, performance, tests

Overall score
star star star star star
Released
Q2/2018
Intel Core i7-8700B
Intel Core i7-8700B
Released
Q4/2017
Overall score
star star star star star
Intel Core i7-8700K
Intel Core i7-8700K

What's the best choice Intel Core i7-8700B or Intel Core i7-8700K? Which processor is faster?

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

Intel Core i7-8700B has a maximum frequency of 3.20 GHz. 6 Cores. Power consumption of 65 W. Released in Q2/2018.

Intel Core i7-8700K has a maximum frequency of 3.70 GHz. 6 Cores. Power consumption of 95 W. Released in Q4/2017.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    763 left arrow score
  • Performance per watt

    times less performance per watt

    65 W left arrow 95 W

Positions in all rankings

Common positions Intel Core i7-8700B CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    245 place
  • Cinebench R23 (Multi-Core)
    212 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    777 place
  • Place in the overall ranking

    (based on several benchmarks)

    328 left arrow score
  • Higher clock speed

    Around 14% better clock speed

    3.70 GHz left arrow 3.20 GHz
  • Higher turbo clock speed

    Around 2 % better overclocked clock speed

    4.70 GHz left arrow 4.60 GHz

Positions in all rankings

Common positions Intel Core i7-8700K CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    221 place
  • Cinebench R23 (Multi-Core)
    188 place
  • Cinebench R20 (Single-Core)
    164 place
  • Cinebench R20 (Multi-Core)
    181 place
  • Cinebench R15 (Single-Core)
    102 place
  • Cinebench R15 (Multi-Core)
    221 place
  • Geekbench 5, 64bit (Single-Core)
    318 place
  • Geekbench 5, 64bit (Multi-Core)
    413 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    674 place
  • Blender 2.81 (bmw27)
    130 place
  • Geekbench 3, 64bit (Single-Core)
    12 place
  • Geekbench 3, 64bit (Multi-Core)
    126 place
  • Cinebench R11.5, 64bit (Single-Core)
    41 place
  • Cinebench R11.5, 64bit (Multi-Core)
    112 place
  • Cinebench R11.5, 64bit (iGPU, OpenGL)
    9 place
  • Estimated results for PassMark CPU Mark
    347 place

Specifications

Technical data
Intel Core i7-8700B Intel Core i7-8700B
Intel Core i7-8700K Intel Core i7-8700K
CPU family and group

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

  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    Intel Core i7 left arrow Intel Core i7
  • Generation
    8 left arrow 8
  • CPU group
    Intel Core i 8000 left arrow Intel Core i 8000
  • Predecessor
    -- left arrow Intel Core i7-7700K
  • Successor
    -- left arrow Intel Core i7-9700KF
CPU Technical specs

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

  • Frequency
    3.20 GHz left arrow 3.70 GHz
  • CPU Cores
    6 left arrow 6
  • Turbo (1 Core)
    4.60 GHz left arrow 4.70 GHz
  • CPU Threads
    12 left arrow 12
  • Turbo (6 Cores)
    No turbo left arrow 4.30 GHz
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    No left arrow Yes
  • Core architecture
    normal left arrow normal
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.

  • GPU name
    Intel UHD Graphics 630 left arrow Intel UHD Graphics 630
  • GPU frequency
    0.35 GHz left arrow 0.35 GHz
  • GPU (Turbo)
    1.15 GHz left arrow 1.20 GHz
  • Execution units
    24 left arrow 24
  • Shader
    192 left arrow 192
  • Max. GPU Memory
    64 GB left arrow 64 GB
  • Max. displays
    3 left arrow 3
  • Generation
    9.5 left arrow 9.5
  • DirectX Version
    12 left arrow 12
  • Technology
    14 nm left arrow 14 nm
  • Release date
    Q4/2017 left arrow Q4/2017
Hardware codec support

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

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

Types, channel quantity of RAM supported by Intel Core i7-8700K and Intel Core i7-8700B. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR4-2666 left arrow DDR4-2666
  • Max. Memory
    64 GB left arrow 128 GB
  • ECC
    No left arrow No
  • Memory channels
    2 left arrow 2
  • PCIe version
    3.0 left arrow 3.0
  • PCIe lanes
    16 left arrow 16
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i7-8700B and Intel Core i7-8700K to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    65 W left arrow 95 W
  • Tjunction max.
    100 °C left arrow --
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i7-8700B and Intel Core i7-8700B, virtual machine technologies and process technology.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d
  • ISA extensions
    SSE4.1, SSE4.2, AVX2 left arrow SSE4.1, SSE4.2, AVX2
  • L3-Cache
    12.00 MB left arrow 12.00 MB
  • Architecture
    Coffee Lake S left arrow Coffee Lake S
  • Technology
    14 nm left arrow 14 nm
  • Socket
    BGA 1440 left arrow LGA 1151-2
  • Release date
    Q2/2018 left arrow Q4/2017

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i7-8700B and Intel Core i7-8700K.

Compare the synthetic test values and choose the best processor!

Cinebench R23 (Single-Core)
Maxon's Cinebench R23 SC is a cross-platform test suite for macOs and Windows uses one CPU core, with no hypetrading
1146
Intel Core i7-8700B
1209
Intel Core i7-8700K
Cinebench R23 (Multi-Core)
Maxon's Cinebench R23 MC is a cross-platform test suite for macOs and Windows using a multi-core and hyperthreading
7969
Intel Core i7-8700B
8960
Intel Core i7-8700K
iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
442
Intel Core i7-8700B
461
Intel Core i7-8700K

Latest comparisons