Intel Core i7-7800X
Intel Core i5-7400T
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Intel Core i7-7800X vs Intel Core i5-7400T. Specifications, performance, tests

Overall score
star star star star star
Released
Q2/2017
Intel Core i7-7800X
Intel Core i7-7800X
Released
Q1/2017
Overall score
star star star star star
Intel Core i5-7400T
Intel Core i5-7400T

What's the best choice Intel Core i7-7800X or Intel Core i5-7400T? Which processor is faster?

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

Intel Core i7-7800X has a maximum frequency of 3.50 GHz. 6 Cores. Power consumption of 140 W. Released in Q2/2017.

Intel Core i5-7400T has a maximum frequency of 2.40 GHz. 4 Cores. Power consumption of 35 W. Released in Q1/2017.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    402 left arrow score
  • Higher clock speed

    Around 31% better clock speed

    3.50 GHz left arrow 2.40 GHz
  • More number of cores

    2 times more cores

    6 left arrow 4
  • Higher turbo clock speed

    Around 29% better overclocked clock speed

    4.20 GHz left arrow 3.00 GHz

Positions in all rankings

Common positions Intel Core i7-7800X CPU in popular benchmarks, for comparison with other models.

  • Cinebench R20 (Single-Core)
    394 place
  • Cinebench R20 (Multi-Core)
    223 place
  • Cinebench R15 (Single-Core)
    196 place
  • Cinebench R15 (Multi-Core)
    245 place
  • Geekbench 5, 64bit (Single-Core)
    428 place
  • Geekbench 5, 64bit (Multi-Core)
    410 place
  • Geekbench 3, 64bit (Single-Core)
    40 place
  • Geekbench 3, 64bit (Multi-Core)
    140 place
  • Cinebench R11.5, 64bit (Single-Core)
    55 place
  • Cinebench R11.5, 64bit (Multi-Core)
    121 place
  • Estimated results for PassMark CPU Mark
    382 place
  • Place in the overall ranking

    (based on several benchmarks)

    1044 left arrow score
  • Performance per watt

    About 0.25 times less performance per watt

    35 W left arrow 140 W

Positions in all rankings

Common positions Intel Core i5-7400T CPU in popular benchmarks, for comparison with other models.

  • Cinebench R15 (Single-Core)
    657 place
  • Cinebench R15 (Multi-Core)
    578 place
  • Geekbench 5, 64bit (Single-Core)
    810 place
  • Geekbench 5, 64bit (Multi-Core)
    889 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    938 place
  • Geekbench 3, 64bit (Single-Core)
    412 place
  • Geekbench 3, 64bit (Multi-Core)
    400 place
  • Cinebench R11.5, 64bit (Single-Core)
    531 place
  • Cinebench R11.5, 64bit (Multi-Core)
    339 place
  • Cinebench R11.5, 64bit (iGPU, OpenGL)
    114 place
  • Estimated results for PassMark CPU Mark
    755 place

Specifications

Technical data
Intel Core i7-7800X Intel Core i7-7800X
Intel Core i5-7400T Intel Core i5-7400T
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 i5
  • Generation
    7 left arrow 7
  • CPU group
    Intel Core i 7000X left arrow Intel Core i 7000
  • Predecessor
    -- left arrow Intel Core i5-6400T
  • Successor
    -- left arrow Intel Core i5-8400T
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
    3.50 GHz left arrow 2.40 GHz
  • CPU Cores
    6 left arrow 4
  • Turbo (1 Core)
    4.20 GHz left arrow 3.00 GHz
  • CPU Threads
    12 left arrow 4
  • Hyperthreading
    Yes left arrow No
  • Overclocking
    Yes left arrow No
  • 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
    no iGPU left arrow Intel HD Graphics 630
  • GPU frequency
    left arrow 0.35 GHz
  • GPU (Turbo)
    No turbo left arrow 1.00 GHz
  • Execution units
    left arrow 24
  • Shader
    left arrow 192
  • Max. GPU Memory
    -- left arrow 64 GB
  • Max. displays
    left arrow 3
  • Generation
    left arrow 9.5
  • DirectX Version
    left arrow 12
  • Technology
    left arrow 14 nm
  • Release date
    left arrow Q2/2016
Hardware codec support

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

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

Types, channel quantity of RAM supported by Intel Core i5-7400T and Intel Core i7-7800X. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR4-2400 left arrow DDR4-2400
  • ECC
    No left arrow No
  • Memory channels
    4 left arrow 2
  • PCIe version
    3.0 left arrow 3.0
  • PCIe lanes
    28 left arrow 16
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i7-7800X and Intel Core i5-7400T to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    140 W left arrow 35 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i7-7800X and Intel Core i7-7800X, 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, AVX-512 left arrow SSE4.1, SSE4.2, AVX2
  • L3-Cache
    8.00 MB left arrow 6.00 MB
  • Architecture
    Skylake X left arrow Kaby Lake S
  • Technology
    14 nm left arrow 14 nm
  • Socket
    LGA 2066 left arrow LGA 1151
  • Release date
    Q2/2017 left arrow Q1/2017

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i7-7800X and Intel Core i5-7400T.

Compare the synthetic test values and choose the best processor!

Cinebench R15 (Single-Core)
The Cinebench R15 SC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware
184
Intel Core i7-7800X
128
Intel Core i5-7400T
Cinebench R15 (Multi-Core)
The Cinebench R15 MC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware
1285
Intel Core i7-7800X
476
Intel Core i5-7400T
Geekbench 5, 64bit (Single-Core)
Geekbench 5 SC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
1114
Intel Core i7-7800X
776
Intel Core i5-7400T
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 MC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
6759
Intel Core i7-7800X
2463
Intel Core i5-7400T
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
4763
Intel Core i7-7800X
3194
Intel Core i5-7400T
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
24162
Intel Core i7-7800X
9401
Intel Core i5-7400T
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
2.14
Intel Core i7-7800X
1.57
Intel Core i5-7400T
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
14.11
Intel Core i7-7800X
5.06
Intel Core i5-7400T
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
14743
Intel Core i7-7800X
6100
Intel Core i5-7400T

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