Ryzen 7 PRO 7840U vs Ryzen 9 6900HX

AMD

Ryzen 7 PRO 7840U

8 Cores16 Thrd8 WWMax: 5.1 GHz2023

Popular choices:

VS
AMD

Ryzen 9 6900HX

8 Cores16 Thrd45 WWMax: 4.9 GHz2022

Popular choices:

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 7 PRO 7840U

2023

Why buy it

  • Better for gaming: +7.0% higher average FPS across 36 shared CPU benchmark tests.
  • Draws 8W instead of 45W, a 37W reduction.

Trade-offs

  • Fewer obvious downsides in this matchup outside of normal market pricing swings.

Ryzen 9 6900HX

2022

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Ryzen 7 PRO 7840U across 36 shared CPU benchmark tests.
    • Lower PassMark (24,248 vs 24,531).
    • 462.5% higher power demand at 45W vs 8W.

    Quick Answers

    So, is Ryzen 7 PRO 7840U better than Ryzen 9 6900HX?
    Yes. Ryzen 7 PRO 7840U is the better overall CPU here. You are getting a 7.0% average FPS lead across 36 shared CPU game tests in our data, 1.2% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
    Which one is better for gaming?
    If gaming is the priority, Ryzen 7 PRO 7840U is the better pick here. According to our tests, it delivers 7.0% more average FPS across 36 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Ryzen 7 PRO 7840U is the better fit. You are getting 1.2% better PassMark, backed by 8 cores and 16 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 7 PRO 7840U still looks like the safer overall buy. Ryzen 7 PRO 7840U is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 7.0% average FPS lead across 36 shared CPU game tests in our data.
    Which one is more future-proof for 2026 and beyond?
    Ryzen 7 PRO 7840U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022) and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

    Games Benchmarks

    Paired with RTX 4090

    To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

    Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

    Path of Exile 2

    Path of Exile 2

    PresetRyzen 7 PRO 7840URyzen 9 6900HX
    1080p
    low259 FPS251 FPS
    medium238 FPS234 FPS
    high201 FPS197 FPS
    ultra173 FPS169 FPS
    1440p
    low229 FPS220 FPS
    medium191 FPS186 FPS
    high155 FPS152 FPS
    ultra137 FPS133 FPS
    4K
    low159 FPS154 FPS
    medium134 FPS131 FPS
    high104 FPS101 FPS
    ultra92 FPS89 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetRyzen 7 PRO 7840URyzen 9 6900HX
    1080p
    low492 FPS441 FPS
    medium408 FPS370 FPS
    high356 FPS322 FPS
    ultra319 FPS287 FPS
    1440p
    low430 FPS370 FPS
    medium376 FPS323 FPS
    high328 FPS288 FPS
    ultra281 FPS247 FPS
    4K
    low284 FPS255 FPS
    medium259 FPS229 FPS
    high248 FPS215 FPS
    ultra214 FPS186 FPS
    League of Legends

    League of Legends

    PresetRyzen 7 PRO 7840URyzen 9 6900HX
    1080p
    low613 FPS606 FPS
    medium613 FPS564 FPS
    high613 FPS485 FPS
    ultra522 FPS388 FPS
    1440p
    low613 FPS606 FPS
    medium613 FPS510 FPS
    high523 FPS437 FPS
    ultra449 FPS355 FPS
    4K
    low523 FPS432 FPS
    medium457 FPS368 FPS
    high405 FPS323 FPS
    ultra343 FPS262 FPS
    Valorant

    Valorant

    PresetRyzen 7 PRO 7840URyzen 9 6900HX
    1080p
    low613 FPS606 FPS
    medium613 FPS606 FPS
    high613 FPS606 FPS
    ultra613 FPS606 FPS
    1440p
    low613 FPS606 FPS
    medium613 FPS606 FPS
    high613 FPS591 FPS
    ultra549 FPS513 FPS
    4K
    low558 FPS536 FPS
    medium502 FPS489 FPS
    high449 FPS438 FPS
    ultra385 FPS379 FPS

    Technical Specifications

    Side-by-side comparison of Ryzen 7 PRO 7840U and Ryzen 9 6900HX

    AMD

    Ryzen 7 PRO 7840U

    The Ryzen 7 PRO 7840U is manufactured by AMD. It was released in 3 May 2023 (2 years ago). It is based on the Phoenix (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 28 Watt. Memory support: LPDDR5x, DDR5. Passmark benchmark score: 24,531 points. Launch price was $299.

    AMD

    Ryzen 9 6900HX

    The Ryzen 9 6900HX is manufactured by AMD. It was released in Janeiro 2022 (3 years ago). It is based on the Rembrandt-H (Zen 3+) (2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 6 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 24,248 points. Launch price was $299.

    Processing Power

    Both the Ryzen 7 PRO 7840U and Ryzen 9 6900HX share an identical 8-core/16-thread configuration. Boost clocks reach 5.1 GHz on the Ryzen 7 PRO 7840U versus 4.9 GHz on the Ryzen 9 6900HX — a 4% clock advantage for the Ryzen 7 PRO 7840U (base: 3.3 GHz vs 3.3 GHz). The Ryzen 7 PRO 7840U uses the Phoenix (Zen 4) (2023) architecture (4 nm), while the Ryzen 9 6900HX uses Rembrandt-H (Zen 3+) (2022) (6 nm). In PassMark, the Ryzen 7 PRO 7840U scores 24,531 against the Ryzen 9 6900HX's 24,248 — a 1.2% lead for the Ryzen 7 PRO 7840U. L3 cache: 16 MB on the Ryzen 7 PRO 7840U vs 16 MB (total) on the Ryzen 9 6900HX.

    FeatureRyzen 7 PRO 7840URyzen 9 6900HX
    Cores / Threads
    8 / 16
    8 / 16
    Boost Clock
    5.1 GHz+4%
    4.9 GHz
    Base Clock
    3.3 GHz
    3.3 GHz
    L3 Cache
    16 MB
    16 MB (total)
    L2 Cache
    8 MB+1500%
    512K (per core)
    Process
    4 nm-33%
    6 nm
    Architecture
    Phoenix (Zen 4) (2023)
    Rembrandt-H (Zen 3+) (2022)
    PassMark
    24,531+1%
    24,248
    🧠

    Memory & Platform

    The Ryzen 7 PRO 7840U uses the FP7/FP8 socket (PCIe 4.0), while the Ryzen 9 6900HX uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

    FeatureRyzen 7 PRO 7840URyzen 9 6900HX
    Socket
    FP7/FP8
    FP7
    PCIe Generation
    PCIe 4.0
    PCIe 4.0