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AMD Ryzen 7 PRO 8840HS vs AMD Ryzen 9 5900HX: Comparison

Ryzen 7 PRO 8840HS vs Ryzen 9 5900HX p-core boost clock compared

P-core boost clock is the dividing line, Ryzen 7 PRO 8840HS 5.1 GHz against Ryzen 9 5900HX 4.6 GHz. L2 cache runs the same way, 8 MB on the Ryzen 7 PRO 8840HS versus 4 MB on the Ryzen 9 5900HX, another win for Ryzen 7 PRO 8840HS. There is a split on product line as well, Ryzen on the Ryzen 7 PRO 8840HS versus Ryzen 9 on the Ryzen 9 5900HX. Release year is not the same on both, 2024 on the Ryzen 7 PRO 8840HS versus 2021 on the Ryzen 9 5900HX. They differ on igpu too, AMD Radeon 780M on the Ryzen 7 PRO 8840HS versus AMD Radeon Graphics on the Ryzen 9 5900HX. They differ on microarchitecture too, Zen 4 on the Ryzen 7 PRO 8840HS versus Zen 3, Ryzen 5000 Series "Cezanne" on the Ryzen 9 5900HX.

Ryzen 7 PRO 8840HS vs Ryzen 9 5900HX: which one fits your build

Buy the Ryzen 7 PRO 8840HS for mainstream desktop builds and everyday productivity, though it is not the pick for extreme overclocking (unless K/X-series) and workstation-class multi-threaded workloads. Take the Ryzen 9 5900HX for desktop-replacement gaming laptops wanting genuinely top-tier AMD mobile Zen 3 performance. It is the wrong buy for buyers wanting the absolute highest clocks in AMD's HX lineup, the 5980HX offers a modest additional edge at the same core count.

Where the two are identical

The common ground is wider than the gap: total cores, performance cores, efficiency cores, total threads and p-core base clock are identical here. They match on 9 further specifications as well.

Frequently asked questions

Do the Ryzen 7 PRO 8840HS and Ryzen 9 5900HX differ on configurable tdp floor?

Yes. Configurable TDP Floor reads 20 W on the Ryzen 7 PRO 8840HS versus 35 W on the Ryzen 9 5900HX.

Is the L3 Cache the same on the Ryzen 7 PRO 8840HS and Ryzen 9 5900HX?

It is. Both are listed at 16 MB, so it is not a reason to pick one over the other.

Specs and benchmarks

  • Brand

    AMD Ryzen 7 PRO 8840HS
    AMD
    AMD Ryzen 9 5900HX
    AMD
  • Product Line

    AMD Ryzen 7 PRO 8840HS
    Ryzen
    AMD Ryzen 9 5900HX
    Ryzen 9
  • Form Factor

    AMD Ryzen 7 PRO 8840HS
    Laptop
    AMD Ryzen 9 5900HX
    Laptop
  • Model Number

    AMD Ryzen 7 PRO 8840HS
    Ryzen 7 PRO 8840HS
    AMD Ryzen 9 5900HX
    5900HX
  • Codename

    AMD Ryzen 7 PRO 8840HS
    Hawk Point
    AMD Ryzen 9 5900HX
    Cezanne
  • Release Year

    AMD Ryzen 7 PRO 8840HS
    2024
    AMD Ryzen 9 5900HX
    2021
  • iGPU

    AMD Ryzen 7 PRO 8840HS
    AMD Radeon 780M
    AMD Ryzen 9 5900HX
    AMD Radeon Graphics
  • Market Segment

    AMD Ryzen 7 PRO 8840HS
    Laptop
    AMD Ryzen 9 5900HX
    Laptop
  • Microarchitecture

    AMD Ryzen 7 PRO 8840HS
    Zen 4
    AMD Ryzen 9 5900HX
    Zen 3, Ryzen 5000 Series "Cezanne"
  • Socket

    AMD Ryzen 7 PRO 8840HS
    FP7, FP7r2
    AMD Ryzen 9 5900HX
    FP6
  • Socket Status

    AMD Ryzen 7 PRO 8840HS
    Mature
    AMD Ryzen 9 5900HX
    End of Life
  • Process Node

    AMD Ryzen 7 PRO 8840HS
    4 nm
    AMD Ryzen 9 5900HX
    7 nm
  • Total Cores

    AMD Ryzen 7 PRO 8840HS
    8
    AMD Ryzen 9 5900HX
    8
  • Performance Cores

    AMD Ryzen 7 PRO 8840HS
    8
    AMD Ryzen 9 5900HX
    8
  • Efficiency Cores

    AMD Ryzen 7 PRO 8840HS
    0
    AMD Ryzen 9 5900HX
    0
  • Total Threads

    AMD Ryzen 7 PRO 8840HS
    16
    AMD Ryzen 9 5900HX
    16
  • SMT Enabled

    AMD Ryzen 7 PRO 8840HS
    Yes
    AMD Ryzen 9 5900HX
    Yes
  • P-Core Base Clock

    AMD Ryzen 7 PRO 8840HS
    3.3 GHz
    AMD Ryzen 9 5900HX
    3.3 GHz
  • P-Core Boost Clock

    AMD Ryzen 7 PRO 8840HS
    5.1 GHz
    AMD Ryzen 9 5900HX
    4.6 GHz
  • Unlocked Multiplier

    AMD Ryzen 7 PRO 8840HS
    No
    AMD Ryzen 9 5900HX
    Yes
  • L2 Cache

    AMD Ryzen 7 PRO 8840HS
    8 MBBest
    AMD Ryzen 9 5900HX
    4 MB-50%
  • L3 Cache

    AMD Ryzen 7 PRO 8840HS
    16 MB
    AMD Ryzen 9 5900HX
    16 MB
  • Base Power

    AMD Ryzen 7 PRO 8840HS
    28 W
    AMD Ryzen 9 5900HX
    45 W
  • Configurable TDP Floor

    AMD Ryzen 7 PRO 8840HS
    20 W
    AMD Ryzen 9 5900HX
    35 W
  • Memory Type

    AMD Ryzen 7 PRO 8840HS
    DDR5 or LPDDR5XBest
    AMD Ryzen 9 5900HX
    DDR4, LPDDR4
  • Memory Channels

    AMD Ryzen 7 PRO 8840HS
    2
    AMD Ryzen 9 5900HX
    2
  • ECC Support

    AMD Ryzen 7 PRO 8840HS
    No
    AMD Ryzen 9 5900HX
    No
  • Integrated Graphics

    AMD Ryzen 7 PRO 8840HS
    Yes
    AMD Ryzen 9 5900HX
    Yes
  • iGPU Model

    AMD Ryzen 7 PRO 8840HS
    AMD Radeon 780M
    AMD Ryzen 9 5900HX
    AMD Radeon Vega 8 Graphics
  • iGPU Compute Units

    AMD Ryzen 7 PRO 8840HS
    12
    AMD Ryzen 9 5900HX
    8
  • Copilot Plus Certified

    AMD Ryzen 7 PRO 8840HS
    No
    AMD Ryzen 9 5900HX
    No
  • PCIe Generation

    AMD Ryzen 7 PRO 8840HS
    PCIe 4.0
    AMD Ryzen 9 5900HX
    PCIe 3.0
  • Retail Availability

    AMD Ryzen 7 PRO 8840HS
    Soldered Only
    AMD Ryzen 9 5900HX
    Soldered Only

    Which one should you pick?

    Choose 8840HS if you want the higher L2 cache (8 MB vs 4 MB), the higher L3 cache (16 MB vs 16 MB) and the higher memory channels (2 vs 2).

    Choose 5900HX if you already have it on hand or find it at a lower price.