AMD Ryzen 7 7840HS
AMD Ryzen 9 3950X
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AMD Ryzen 7 7840HS vs AMD Ryzen 9 3950X. Specifications, performance, tests

Overall score
star star star star star
Released
Q1/2023
AMD Ryzen 7 7840HS
AMD Ryzen 7 7840HS
Released
Q3/2019
Overall score
star star star star star
AMD Ryzen 9 3950X
AMD Ryzen 9 3950X

What's the best choice AMD Ryzen 7 7840HS or AMD Ryzen 9 3950X? Which processor is faster?

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

AMD Ryzen 7 7840HS has a maximum frequency of 3.80 GHz. 8 / 16 Cores. Power consumption of 54 W. Released in Q1/2023.

AMD Ryzen 9 3950X has a maximum frequency of 3.50 GHz. 16 Cores. Power consumption of 105 W. Released in Q3/2019.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    42 left arrow score
  • Higher clock speed

    Around 8% better clock speed

    3.80 GHz left arrow 3.50 GHz
  • Higher turbo clock speed

    Around 8% better overclocked clock speed

    5.10 GHz left arrow 4.70 GHz
  • Performance per watt

    times less performance per watt

    54 W left arrow 105 W

Positions in all rankings

Common positions AMD Ryzen 7 7840HS CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    44 place
  • Cinebench R23 (Multi-Core)
    71 place
  • Geekbench 5, 64bit (Single-Core)
    47 place
  • Geekbench 5, 64bit (Multi-Core)
    154 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    21 place
  • Estimated results for PassMark CPU Mark
    128 place
  • Geekbench 6 (Single-Core)
    41 place
  • Geekbench 6 (Multi-Core)
    80 place
AMD Ryzen 9 3950X Reasons to consider
AMD Ryzen 9 3950X
Report a bug
  • Place in the overall ranking

    (based on several benchmarks)

    57 left arrow score
  • More number of cores

    About 2 times more cores

    16 left arrow 8

Positions in all rankings

Common positions AMD Ryzen 9 3950X CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    160 place
  • Cinebench R23 (Multi-Core)
    45 place
  • Cinebench R20 (Single-Core)
    115 place
  • Cinebench R20 (Multi-Core)
    35 place
  • Cinebench R15 (Single-Core)
    71 place
  • Cinebench R15 (Multi-Core)
    24 place
  • Geekbench 5, 64bit (Single-Core)
    272 place
  • Geekbench 5, 64bit (Multi-Core)
    105 place
  • Monero Hashrate kH/s
    19 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    10 place
  • Blender 2.81 (bmw27)
    179 place
  • Estimated results for PassMark CPU Mark
    65 place
  • CPU-Z Benchmark 17 (Multi-Core)
    8 place

Specifications

Technical data
AMD Ryzen 7 7840HS AMD Ryzen 7 7840HS
AMD Ryzen 9 3950X AMD Ryzen 9 3950X
CPU family and group

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

  • Family
    AMD Ryzen 7 left arrow AMD Ryzen
  • CPU group
    AMD Ryzen 7040 left arrow AMD Ryzen 3000
  • Segment
    Mobile left arrow Desktop / Server
  • Generation
    6 left arrow 3
  • Successor
    -- left arrow AMD Ryzen 9 5950X
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.

  • Core architecture
    normal left arrow normal
  • Overclocking
    No left arrow Yes
  • Frequency
    3.80 GHz left arrow 3.50 GHz
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
    AMD Radeon 780M Graphics left arrow no iGPU
  • GPU frequency
    1.20 GHz left arrow
  • GPU (Turbo)
    2.70 GHz left arrow No turbo
  • Execution units
    12 left arrow
  • Shader
    768 left arrow
  • Max. GPU Memory
    32 GB left arrow --
  • Max. displays
    4 left arrow
  • Generation
    10 left arrow
  • Technology
    4 nm left arrow
  • Release date
    Q1/2023 left arrow
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 No
  • h265 / HEVC (10 bit)
    Decode / Encode left arrow No
  • h264
    Decode / Encode left arrow No
  • VP8
    Decode left arrow No
  • VP9
    Decode left arrow No
  • AV1
    Decode / Encode left arrow No
  • AVC
    Decode left arrow No
  • VC-1
    Decode left arrow No
  • JPEG
    Decode / Encode left arrow No
Memory specs & PCI

Types, channel quantity of RAM supported by AMD Ryzen 9 3950X and AMD Ryzen 7 7840HS. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR5-5600LPDDR5X-7500 left arrow DDR4-3200
  • Max. Memory
    256 GB left arrow 128 GB
  • Memory channels
    2 (Dual Channel) left arrow 2
  • ECC
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD Ryzen 7 7840HS and AMD Ryzen 9 3950X to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL2)
    -- left arrow 142 W
  • TDP down
    35 W left arrow --
  • Tjunction max.
    100 °C left arrow 95 °C
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 7840HS and AMD Ryzen 7 7840HS, virtual machine technologies and process technology.

  • Technology
    4 nm left arrow 7 nm
  • Socket
    FP8 left arrow AM4
  • L2-Cache
    8.00 MB left arrow --
  • L3-Cache
    16.00 MB left arrow 64.00 MB
  • Architecture
    Phoenix (Zen 4) left arrow Matisse (Zen 2)
  • Virtualization
    AMD-V, SVM left arrow AMD-V, SVM
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 left arrow SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
  • Release date
    Q1/2023 left arrow Q3/2019
  • Part Number
    100-000001129 left arrow --

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD Ryzen 7 7840HS and AMD Ryzen 9 3950X.

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
1815
AMD Ryzen 7 7840HS
1371
AMD Ryzen 9 3950X
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
16854
AMD Ryzen 7 7840HS
24050
AMD Ryzen 9 3950X
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
1952
AMD Ryzen 7 7840HS
1310
AMD Ryzen 9 3950X
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
11712
AMD Ryzen 7 7840HS
14322
AMD Ryzen 9 3950X
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
28412
AMD Ryzen 7 7840HS
34024
AMD Ryzen 9 3950X

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