AMD Ryzen 9 7940HS
AMD Ryzen 5 7640U
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AMD Ryzen 9 7940HS vs AMD Ryzen 5 7640U. Specifications, performance, tests

Overall score
star star star star star
Released
Q1/2023
AMD Ryzen 9 7940HS
AMD Ryzen 9 7940HS
Released
Q3/2023
Overall score
star star star star star
AMD Ryzen 5 7640U
AMD Ryzen 5 7640U

What's the best choice AMD Ryzen 9 7940HS or AMD Ryzen 5 7640U? Which processor is faster?

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

AMD Ryzen 9 7940HS has a maximum frequency of 4.00 GHz. 8 / 16 Cores. Power consumption of 54 W. Released in Q1/2023.

AMD Ryzen 5 7640U has a maximum frequency of 3.50 GHz. 6 / 12 Cores. Power consumption of 15 W. Released in Q3/2023.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    37 left arrow score
  • Higher clock speed

    Around 13% better clock speed

    4.00 GHz left arrow 3.50 GHz
  • More number of cores

    2 times more cores

    8 left arrow 6
  • Higher turbo clock speed

    Around 6% better overclocked clock speed

    5.20 GHz left arrow 4.90 GHz

Positions in all rankings

Common positions AMD Ryzen 9 7940HS CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    39 place
  • Geekbench 5, 64bit (Multi-Core)
    163 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    24 place
  • Geekbench 6 (Single-Core)
    38 place
  • Geekbench 6 (Multi-Core)
    75 place
AMD Ryzen 5 7640U Reasons to consider
AMD Ryzen 5 7640U
Report a bug
  • Place in the overall ranking

    (based on several benchmarks)

    135 left arrow score
  • Performance per watt

    About 0.28 times less performance per watt

    15 W left arrow 54 W

Positions in all rankings

Common positions AMD Ryzen 5 7640U CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    75 place
  • Geekbench 5, 64bit (Multi-Core)
    284 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    52 place
  • Geekbench 6 (Single-Core)
    94 place
  • Geekbench 6 (Multi-Core)
    136 place

Specifications

Technical data
AMD Ryzen 9 7940HS AMD Ryzen 9 7940HS
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
CPU family and group

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

  • Family
    AMD Ryzen 9 left arrow AMD Ryzen 5
  • CPU group
    AMD Ryzen 7040 left arrow AMD Ryzen 7040
  • Segment
    Mobile left arrow Mobile
  • Generation
    6 left arrow 6
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.

  • CPU Cores / Threads
    8 / 16 left arrow 6 / 12
  • Core architecture
    normal left arrow normal
  • Cores
    8x Zen 4 left arrow 6x Zen 4
  • Hyperthreading / SMT
    Yes left arrow Yes
  • Overclocking
    No left arrow No
  • Frequency
    4.00 GHz left arrow 3.50 GHz
  • Turbo Frequency (1 Core)
    5.20 GHz left arrow 4.90 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 AMD Radeon 760M Graphics
  • GPU frequency
    1.20 GHz left arrow 1.00 GHz
  • GPU (Turbo)
    2.70 GHz left arrow 2.60 GHz
  • Execution units
    12 left arrow 8
  • Shader
    768 left arrow 512
  • Max. GPU Memory
    32 GB left arrow 32 GB
  • Max. displays
    4 left arrow 4
  • Generation
    10 left arrow 10
  • Direct X
    12 left arrow 12
  • Technology
    4 nm left arrow 4 nm
  • Release date
    Q1/2023 left arrow Q1/2023
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 Decode / Encode
  • h265 / HEVC (10 bit)
    Decode / Encode left arrow Decode / Encode
  • h264
    Decode / Encode left arrow Decode / Encode
  • VP8
    Decode left arrow Decode
  • VP9
    Decode left arrow Decode
  • AV1
    Decode / Encode left arrow Decode / Encode
  • AVC
    Decode left arrow Decode
  • VC-1
    Decode left arrow Decode
  • JPEG
    Decode / Encode left arrow Decode / Encode
Memory specs & PCI

Types, channel quantity of RAM supported by AMD Ryzen 5 7640U and AMD Ryzen 9 7940HS. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR5-5600LPDDR5X-7500 left arrow DDR5-5600LPDDR5X-7500
  • Max. Memory
    256 GB left arrow 256 GB
  • Memory channels
    2 (Dual Channel) left arrow 2 (Dual Channel)
  • Bandwidth
    89.6 GB/s left arrow 89.6 GB/s
  • ECC
    Yes left arrow Yes
  • PCIe
    4.0 x 20 left arrow 4.0 x 20
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD Ryzen 9 7940HS and AMD Ryzen 5 7640U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1 / PBP)
    54 W left arrow 15 W
  • TDP down
    35 W left arrow --
  • Tjunction max.
    100 °C left arrow 100 °C
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 7940HS and AMD Ryzen 9 7940HS, virtual machine technologies and process technology.

  • Technology
    4 nm left arrow 4 nm
  • Chip design
    Monolithic left arrow Monolithic
  • Socket
    FP8 left arrow FP8
  • L2-Cache
    8.00 MB left arrow 6.00 MB
  • L3-Cache
    16.00 MB left arrow 16.00 MB
  • Architecture
    Phoenix (Zen 4) left arrow Phoenix (Zen 4)
  • Operating systems
    Windows 10, Windows 11, Linux left arrow Windows 10, Windows 11, Linux
  • 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,FMA3, AVX2, AVX512
  • Release date
    Q1/2023 left arrow Q3/2023
  • Part Number
    100-000001128 left arrow --
  • Documents
    Technical data sheet left arrow Technical data sheet

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD Ryzen 9 7940HS and AMD Ryzen 5 7640U.

Compare the synthetic test values and choose the best processor!

Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones
2617
AMD Ryzen 9 7940HS
2340
AMD Ryzen 5 7640U
Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones
12447
AMD Ryzen 9 7940HS
9197
AMD Ryzen 5 7640U
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
1974
AMD Ryzen 9 7940HS
1869
AMD Ryzen 5 7640U
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
11600
AMD Ryzen 9 7940HS
8853
AMD Ryzen 5 7640U
iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
4300
AMD Ryzen 9 7940HS
3120
AMD Ryzen 5 7640U

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