Intel Core i9-9940X
Intel Pentium Gold G6405T
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Intel Core i9-9940X vs Intel Pentium Gold G6405T. Specifications

User rating
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Released
Q4/2018
Intel Core i9-9940X
Intel Core i9-9940X
Released
Q1/2021
User rating
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Intel Pentium Gold G6405T
Intel Pentium Gold G6405T

What's the best choice Intel Core i9-9940X or Intel Pentium Gold G6405T? Which processor is faster?

Compare the available specifications of these models.

Intel Core i9-9940X has a base frequency of 3.30 GHz. 14 CPU Cores / Threads. Stated TDP / base power 165 W. Released in Q4/2018.

Intel Pentium Gold G6405T has a base frequency of 3.50 GHz. 2 CPU Cores / Threads. Stated TDP / base power 35 W. Released in Q1/2021.

Differences

  • More number of cores

    12 more cores

    14 left arrow 2

Positions in all rankings

Common positions Intel Core i9-9940X CPU in popular benchmarks, for comparison with other models.

  • Cinebench R20 (Single-Core)
    182 place
  • Cinebench R20 (Multi-Core)
    59 place
  • Cinebench R15 (Single-Core)
    115 place
  • Cinebench R15 (Multi-Core)
    75 place
  • Geekbench 5, 64bit (Single-Core)
    279 place
  • Geekbench 5, 64bit (Multi-Core)
    56 place
  • Estimated results for PassMark CPU Mark
    78 place
  • Higher clock speed

    Around 6% better clock speed

    3.50 GHz left arrow 3.30 GHz
  • Lower stated TDP / base power

    Power limits alone do not measure performance per watt.

    35 W left arrow 165 W

Positions in all rankings

Common positions Intel Pentium Gold G6405T CPU in popular benchmarks, for comparison with other models.

  • iGPU - FP32 Performance (Single-precision GFLOPS)
    1268 place

Specifications

Technical data
Intel Core i9-9940X Intel Core i9-9940X
Intel Pentium Gold G6405T Intel Pentium Gold G6405T
CPU family and group

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

  • CPU group
    Intel Core i 9000X left arrow Intel Pentium G6000
  • Family
    Intel Core i9 left arrow Intel Pentium
  • Generation
    9 left arrow 10
  • 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
    3.3 GHz left arrow 3.5 GHz
  • Core architecture
    normal left arrow normal
  • CPU Cores
    14 left arrow 2
  • CPU Threads
    28 left arrow 4
  • Hyperthreading / SMT
    Yes left arrow Yes
  • Overclocking
    Yes left arrow No
  • Turbo Frequency (1 Core)
    4.5 GHz left arrow No turbo
  • Turbo Frequency (14 Cores)
    4.2 GHz left arrow -
  • Turbo Frequency (2 Cores)
    - left arrow No turbo
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
    None left arrow Intel HD Graphics 610
  • DirectX Version
    - left arrow 12
  • Execution units
    - left arrow 12
  • Generation
    - left arrow 9.5
  • GPU Frequency
    - left arrow 350 MHz
  • GPU Turbo
    - left arrow 1050 MHz
  • Max. displays
    - left arrow 3
  • Max. GPU Memory
    - left arrow 32 GB
  • Release date
    - left arrow Q3/2016
  • Shader
    - left arrow 96
  • Technology
    - left arrow 14 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
    No left arrow Decode / Encode
  • h265 / HEVC (8 bit)
    No left arrow Decode / Encode
  • h265 / HEVC (10 bit)
    No left arrow Decode / Encode
  • JPEG
    No left arrow Decode / Encode
  • VC-1
    No left arrow Decode
  • VP8
    No left arrow Decode / Encode
  • VP9
    No left arrow Decode / Encode
Memory specs & PCI

Types, channel quantity of RAM supported by Intel Pentium Gold G6405T and Intel Core i9-9940X. Depending on the motherboards, higher or lower memory frequencies may be supported.

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

Compare the TDP requirements of TDP Intel Core i9-9940X and Intel Pentium Gold G6405T 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
    92 °C left arrow 100 °C
  • TDP (PL1, legacy label)
    165 W left arrow 35 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i9-9940X and Intel Pentium Gold G6405T, virtual machine technologies and process technology.

  • Architecture
    Skylake X Refresh left arrow Comet Lake S
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4.1, SSE4.2, AVX2, AVX-512 left arrow SSE4.1, SSE4.2
  • L3-Cache
    19 MB left arrow 4 MB
  • Release date
    Q4/2018 left arrow Q1/2021
  • Socket
    LGA 2066 left arrow LGA 1200
  • Technology
    14 nm left arrow 14 nm
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d

Benchmarks

Performance tests CPUs

No comparable benchmark results are available yet. Specifications alone do not determine which model is faster.

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

Recent models: test results with identified primary sources — Cinebench R23 · Cinebench R20 · Cinebench R15 · Cinebench 2026 · RandomX benchmark

Latest comparisons