AMD Ryzen 9 7845HX
AMD Ryzen 5 7645HX
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AMD Ryzen 9 7845HX vs AMD Ryzen 5 7645HX. Specifications, performance, tests

Overall score
star star star star star
Released
Q1/2023
AMD Ryzen 9 7845HX
AMD Ryzen 9 7845HX
Released
Q1/2023
Overall score
star star star star star
AMD Ryzen 5 7645HX
AMD Ryzen 5 7645HX

What's the best choice AMD Ryzen 9 7845HX or AMD Ryzen 5 7645HX? Which processor is faster?

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

AMD Ryzen 9 7845HX has a maximum frequency of 3.00 GHz. 12 / 24 Cores. Power consumption of 55 W. Released in Q1/2023.

AMD Ryzen 5 7645HX has a maximum frequency of 4.00 GHz. 6 / 12 Cores. Power consumption of 55 W. Released in Q1/2023.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    197 left arrow score
  • More number of cores

    6 times more cores

    12 left arrow 6
  • Higher turbo clock speed

    Around 4% better overclocked clock speed

    5.20 GHz left arrow 5.00 GHz

Positions in all rankings

Common positions AMD Ryzen 9 7845HX CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    29 place
  • Geekbench 5, 64bit (Multi-Core)
    72 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    708 place
  • Estimated results for PassMark CPU Mark
    38 place
  • Geekbench 6 (Single-Core)
    31 place
  • Geekbench 6 (Multi-Core)
    54 place
  • Higher clock speed

    Around 25% better clock speed

    4.00 GHz left arrow 3.00 GHz

Positions in all rankings

Common positions AMD Ryzen 5 7645HX CPU in popular benchmarks, for comparison with other models.

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

Specifications

Technical data
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
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 7045 left arrow AMD Ryzen 7045
  • 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
    12 / 24 left arrow 6 / 12
  • Core architecture
    normal left arrow normal
  • Cores
    12x Zen 4 left arrow 6x Zen 4
  • Hyperthreading / SMT
    Yes left arrow Yes
  • Overclocking
    Yes left arrow Yes
  • Frequency
    3.00 GHz left arrow 4.00 GHz
  • Turbo Frequency (1 Core)
    5.20 GHz left arrow 5.00 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 610M Graphics left arrow AMD Radeon 610M Graphics
  • GPU frequency
    0.40 GHz left arrow 0.40 GHz
  • GPU (Turbo)
    2.20 GHz left arrow 2.20 GHz
  • Execution units
    2 left arrow 2
  • Shader
    128 left arrow 128
  • Max. GPU Memory
    8 GB left arrow 8 GB
  • Max. displays
    3 left arrow 3
  • Generation
    9 left arrow 9
  • Direct X
    12 left arrow 12
  • Technology
    6 nm left arrow 6 nm
  • Release date
    Q3/2022 left arrow Q3/2022
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 / Encode left arrow Decode / Encode
  • VP9
    Decode / Encode left arrow Decode / Encode
  • AV1
    Decode left arrow Decode
  • AVC
    Decode / Encode left arrow Decode / Encode
  • 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 7645HX and AMD Ryzen 9 7845HX. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR5-5200 left arrow DDR5-5200
  • Max. Memory
    128 GB left arrow 128 GB
  • Memory channels
    2 (Dual Channel) left arrow 2 (Dual Channel)
  • Bandwidth
    83.2 GB/s left arrow 83.2 GB/s
  • ECC
    Yes left arrow Yes
  • PCIe
    5.0 x 28 left arrow 5.0 x 28
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP AMD Ryzen 9 7845HX and AMD Ryzen 5 7645HX to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1 / PBP)
    55 W left arrow 55 W
  • TDP up
    75 W left arrow 75 W
  • TDP down
    45 W left arrow 45 W
  • Tjunction max.
    100 °C left arrow 100 °C
Technologies and extensions

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 7845HX and AMD Ryzen 9 7845HX, virtual machine technologies and process technology.

  • Technology
    5 nm left arrow 5 nm
  • Chip design
    Chiplet left arrow Chiplet
  • Socket
    FL1 left arrow FL1
  • L2-Cache
    12.00 MB left arrow 6.00 MB
  • L3-Cache
    64.00 MB left arrow 32.00 MB
  • Architecture
    Dragon Range (Zen 4) left arrow Dragon Range (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 Q1/2023
  • Part Number
    100-000000871 left arrow 100-000000872
  • 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 7845HX and AMD Ryzen 5 7645HX.

Compare the synthetic test values and choose the best processor!

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
443
AMD Ryzen 9 7845HX
443
AMD Ryzen 5 7645HX

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