AMD Ryzen 7 3800X
Intel Core i9-12900KF
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AMD Ryzen 7 3800X vs Intel Core i9-12900KF. Specifications, performance, tests

Overall score
star star star star star
Released
Q3/2019
AMD Ryzen 7 3800X
AMD Ryzen 7 3800X
Released
Q4/2021
Overall score
star star star star star
Intel Core i9-12900KF
Intel Core i9-12900KF

What's the best choice AMD Ryzen 7 3800X or Intel Core i9-12900KF? Which processor is faster?

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

AMD Ryzen 7 3800X has a maximum frequency of 3.90 GHz. 8 Cores. Power consumption of 105 W. Released in Q3/2019.

Intel Core i9-12900KF has a maximum frequency of 3.70 GHz. 16 Cores. Power consumption of 125 W. Released in Q4/2021.

Differences

AMD Ryzen 7 3800X Reasons to consider
AMD Ryzen 7 3800X
Report a bug
  • Place in the overall ranking

    (based on several benchmarks)

    198 left arrow score
  • Higher clock speed

    Around 5% better clock speed

    3.90 GHz left arrow 3.70 GHz
  • Performance per watt

    times less performance per watt

    105 W left arrow 125 W

Positions in all rankings

Common positions AMD Ryzen 7 3800X CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    174 place
  • Cinebench R23 (Multi-Core)
    119 place
  • Cinebench R20 (Single-Core)
    133 place
  • Cinebench R20 (Multi-Core)
    120 place
  • Cinebench R15 (Single-Core)
    98 place
  • Cinebench R15 (Multi-Core)
    125 place
  • Geekbench 5, 64bit (Single-Core)
    324 place
  • Geekbench 5, 64bit (Multi-Core)
    269 place
  • Monero Hashrate kH/s
    30 place
  • Blender 2.81 (bmw27)
    152 place
  • Estimated results for PassMark CPU Mark
    170 place
  • Geekbench 6 (Multi-Core)
    164 place
  • Place in the overall ranking

    (based on several benchmarks)

    19 left arrow score
  • More number of cores

    About 2 times more cores

    16 left arrow 8
  • Higher turbo clock speed

    Around 15 % better overclocked clock speed

    5.30 GHz left arrow 4.50 GHz

Positions in all rankings

Common positions Intel Core i9-12900KF CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    19 place
  • Cinebench R23 (Multi-Core)
    341 place
  • Cinebench R20 (Single-Core)
    23 place
  • Cinebench R20 (Multi-Core)
    25 place
  • Cinebench R15 (Single-Core)
    19 place
  • Cinebench R15 (Multi-Core)
    19 place
  • Geekbench 5, 64bit (Single-Core)
    37 place
  • Geekbench 5, 64bit (Multi-Core)
    65 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    6 place
  • Estimated results for PassMark CPU Mark
    55 place
  • CPU-Z Benchmark 17 (Single-Core)
    7 place
  • CPU-Z Benchmark 17 (Multi-Core)
    19 place
  • Geekbench 6 (Single-Core)
    30 place
  • Geekbench 6 (Multi-Core)
    30 place

Specifications

Technical data
AMD Ryzen 7 3800X AMD Ryzen 7 3800X
Intel Core i9-12900KF Intel Core i9-12900KF
CPU family and group

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

  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    AMD Ryzen left arrow Intel Core i9
  • Generation
    3 left arrow 12
  • CPU group
    AMD Ryzen 3000 left arrow Intel Core i 12000
  • Predecessor
    -- left arrow Intel Core i9-11900KF
  • Successor
    AMD Ryzen 7 5800X left arrow --
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
    3.90 GHz left arrow 3.70 GHz
  • CPU Cores
    8 left arrow 16
  • Turbo (1 Core)
    4.50 GHz left arrow 5.30 GHz
  • CPU Threads
    16 left arrow 24
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    Yes left arrow Yes
  • Core architecture
    normal left arrow hybrid (big.LITTLE)
  • A core
    -- left arrow 8x Golden Cove
  • B core
    -- left arrow 8x Gracemont
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 Iris Xe Graphics 32 (Alder Lake S)
  • GPU frequency
    left arrow 0.40 GHz
  • GPU (Turbo)
    No turbo left arrow 1.45 GHz
  • Execution units
    left arrow 32
  • Shader
    left arrow 256
  • Max. GPU Memory
    -- left arrow 16 GB
  • Max. displays
    left arrow 4
  • Generation
    left arrow 12
  • DirectX Version
    left arrow 12
  • Technology
    left arrow 10 nm
  • Release date
    left arrow Q4/2021
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
  • AV1
    No left arrow Decode
  • 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 i9-12900KF and AMD Ryzen 7 3800X. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR4-3200 left arrow DDR4-3200DDR5-4800
  • Max. Memory
    128 GB left arrow 256 GB
  • ECC
    Yes left arrow No
  • Memory channels
    2 left arrow 2
  • PCIe version
    4.0 left arrow 5.0
  • PCIe lanes
    20 left arrow 20
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD Ryzen 7 3800X and Intel Core i9-12900KF to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    105 W left arrow 125 W
  • TDP (PL2)
    -- left arrow 228 W / 56 s
  • Tjunction max.
    95 °C left arrow 100 °C
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 3800X and AMD Ryzen 7 3800X, virtual machine technologies and process technology.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    AMD-V, SVM left arrow VT-x, VT-x EPT, VT-d
  • ISA extensions
    SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 left arrow SSE4.1, SSE4.2, AVX2, AVX2+
  • L2-Cache
    -- left arrow 3.75 MB
  • L3-Cache
    32.00 MB left arrow 30.00 MB
  • Architecture
    Matisse (Zen 2) left arrow Alder Lake S
  • Technology
    7 nm left arrow 10 nm
  • Socket
    AM4 left arrow LGA 1700
  • Release date
    Q3/2019 left arrow Q4/2021
  • Part Number
    -- left arrow BX8071512900KF

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD Ryzen 7 3800X and Intel Core i9-12900KF.

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
1325
AMD Ryzen 7 3800X
2002
Intel Core i9-12900KF
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
12874
AMD Ryzen 7 3800X
27198
Intel Core i9-12900KF
Cinebench R20 (Single-Core)
Cinebench R20 SC is a high load CPU test for long tasks on a desktop or notebook PC, uses one CPU core, with no hypetrading
509
AMD Ryzen 7 3800X
779
Intel Core i9-12900KF
Cinebench R20 (Multi-Core)
Cinebench R20 MC is a high load CPU test for long tasks on a desktop or notebook PC, using a multi-core and hyperthreading
4960
AMD Ryzen 7 3800X
10511
Intel Core i9-12900KF
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
209
AMD Ryzen 7 3800X
294
Intel Core i9-12900KF
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
2165
AMD Ryzen 7 3800X
4111
Intel Core i9-12900KF
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
1271
AMD Ryzen 7 3800X
1990
Intel Core i9-12900KF
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
9065
AMD Ryzen 7 3800X
17595
Intel Core i9-12900KF

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