Intel Core i7-13700K
Intel Core2 Duo E8400
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Intel Core i7-13700K vs Intel Core2 Duo E8400. Specifications, performance, tests

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Released
Q4/2022
Intel Core i7-13700K
Intel Core i7-13700K
Released
Q1/2008
User rating
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Intel Core2 Duo E8400
Intel Core2 Duo E8400

What's the best choice Intel Core i7-13700K or Intel Core2 Duo E8400? Which processor is faster?

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

Intel Core i7-13700K has a base frequency of 3.40 GHz. 16 / 24 CPU Cores / Threads. Stated TDP / base power 125 W. Released in Q4/2022.

Intel Core2 Duo E8400 has a base frequency of 3.00 GHz. 2 CPU Cores / Threads. Stated TDP / base power 65 W. Released in Q1/2008.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    27 left arrow place
  • Higher clock speed

    Around 13% better clock speed

    3.40 GHz left arrow 3.00 GHz
  • More number of cores

    14 more cores

    16 left arrow 2

Positions in all rankings

Common positions Intel Core i7-13700K CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    4 place
  • Cinebench R23 (Multi-Core)
    24 place
  • Geekbench 5, 64bit (Single-Core)
    16 place
  • Geekbench 5, 64bit (Multi-Core)
    34 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    446 place
  • Lower stated TDP / base power

    Power limits alone do not measure performance per watt.

    65 W left arrow 125 W

Positions in all rankings

Common positions Intel Core2 Duo E8400 CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    992 place
  • Geekbench 5, 64bit (Multi-Core)
    1113 place
  • Estimated results for PassMark CPU Mark
    1141 place

Specifications

Technical data
Intel Core i7-13700K Intel Core i7-13700K
Intel Core2 Duo E8400 Intel Core2 Duo E8400
CPU family and group

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

  • CPU group
    Intel Core i 13000 left arrow Intel Core 2 Duo E7000/E8000
  • Family
    13th Generation Intel Core i7 Processors left arrow Intel Core2 Duo
  • Generation
    13 left arrow 2
  • Predecessor
    Intel Core i7-12700K left arrow No
  • Processor Number
    i7-13700K left arrow -
  • Segment
    Desktop left arrow Desktop
  • Successor
    No left arrow No
CPU Technical specs

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

  • A-Core
    3.40 GHz (5.50 GHz) left arrow -
  • B-Core
    2.80 GHz (4.00 GHz) left arrow -
  • Base Frequency
    3.4 GHz left arrow 3 GHz
  • Core architecture
    hybrid left arrow normal
  • CPU Cores
    16 left arrow 2
  • CPU Threads
    24 left arrow 2
  • E-core Base Clock
    2.5 GHz left arrow -
  • E-core Max Turbo
    4.2 GHz left arrow -
  • Efficient Cores
    8 left arrow -
  • Hyperthreading / SMT
    Yes left arrow No
  • Max. Boost Clock
    5.4 GHz left arrow -
  • Overclocking
    Yes left arrow Yes
  • P-core Base Clock
    3.4 GHz left arrow -
  • P-core Max Turbo
    5.3 GHz left arrow -
  • Performance Cores
    8 left arrow -
  • Turbo Frequency (1 Core)
    No left arrow No
  • Turbo Frequency (2 Cores)
    No turbo 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.

  • DirectX Version
    12 left arrow -
  • Execution units
    32 left arrow -
  • Generation
    12 left arrow -
  • GPU Frequency
    400 MHz left arrow -
  • GPU name
    Intel UHD Graphics 770 left arrow -
  • GPU Turbo
    1600 MHz left arrow -
  • Graphics Base Frequency
    300 MHz left arrow -
  • Graphics Output
    eDP 1.4b, DP 1.4a, HDMI 2.1 left arrow -
  • Max. displays
    4 left arrow -
  • Max. GPU Memory
    16 GB left arrow -
  • Release date
    Q4/2022 left arrow -
  • Shader
    256 left arrow -
  • Technology
    10 nm left arrow -
Hardware codec support

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

  • AV1
    Decode left arrow -
  • H.264 / AVC
    Decode / Encode left arrow -
  • h265 / HEVC (8 bit)
    Decode / Encode left arrow -
  • h265 / HEVC (10 bit)
    Decode / Encode left arrow -
  • JPEG
    Decode / Encode left arrow -
  • VC-1
    Decode left arrow -
  • VP8
    Decode left arrow -
  • VP9
    Decode / Encode left arrow -
Memory specs & PCI

Types, channel quantity of RAM supported by Intel Core2 Duo E8400 and Intel Core i7-13700K. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • ECC
    Yes left arrow No
  • Max. Memory
    192 GB left arrow 16 GB
  • Memory Bandwidth
    89.8 GB/s left arrow -
  • Memory channels
    2 left arrow 2
  • Memory type
    Up to DDR5 5600 MT/s Up to DDR4 3200 MT/s left arrow DDR2-1066 / DDR3-1333
  • PCIe
    5.0 x 20 left arrow -
  • PCIe lanes
    20 left arrow -
  • PCIe version
    5.0 and 4.0 left arrow -
Encryption
  • AES-NI
    Yes left arrow No
Thermal Management

Compare the TDP requirements of TDP Intel Core i7-13700K and Intel Core2 Duo E8400 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
    100 °C left arrow 80 °C
  • Maximum Turbo Power
    253 W left arrow -
  • Processor Base Power (PBP)
    125 W left arrow -
  • TDP (PL1, legacy label)
    125 W left arrow 65 W
  • TDP (PL2)
    241 W left arrow No
  • TDP down
    No left arrow No
  • TDP up
    No left arrow No
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i7-13700K and Intel Core2 Duo E8400, virtual machine technologies and process technology.

  • Architecture
    Raptor Lake S left arrow Wolfdale
  • Cache (manufacturer label)
    30 MB Intel Smart Cache left arrow -
  • Codename
    Products formerly Raptor Lake left arrow -
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4.1, SSE4.2, AVX2, AVX2+ left arrow MMX, SSE, SSE2, SSE3, SSE 4.1
  • L2-Cache
    Conflicting source values: 22 MB | 24 MB (Total cache capacity) left arrow 6 MB
  • L3-Cache
    30 MB left arrow No
  • Marketing Status (manufacturer label)
    Launched left arrow -
  • Official source
    https://www.intel.com/content/www/us/en/products/sku/230500/intel-core-i713700k-processor-30m-cache-up-to-5-40-ghz/specifications.html left arrow -
  • Release date
    Q4/2022 left arrow Q1/2008
  • Socket
    FCLGA1700 left arrow LGA 775
  • Technology
    Conflicting source values: 10 nm | Intel 7 (Manufacturer process designation) left arrow 45 nm
  • Use Conditions
    PC/Client/Tablet, Workstation left arrow -
  • Verification scope
    Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. left arrow -
  • Verified on
    2026-09-30 left arrow -
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i7-13700K and Intel Core2 Duo E8400.

Compare the synthetic test values and choose the best processor!

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

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

Higher values are better in this metric.

2090.000000
Intel Core i7-13700K
473.000000
Intel Core2 Duo E8400
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

Higher values are better in this metric.

16542.000000
Intel Core i7-13700K
841.000000
Intel Core2 Duo E8400

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