Core i7-9700K vs Ryzen 9 7945HX

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Popular choices:

VS
AMD

Ryzen 9 7945HX

16 Cores32 Thrd55 WWMax: 5.4 GHz2023

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.

Core i7-9700K

2018

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Ryzen 9 7945HX across 5 shared CPU benchmark tests.
    • Lower PassMark (14,397 vs 54,425).
    • Smaller total L3 cache (12 MB vs 64 MB).
    • Launch MSRP is still $385 MSRP, while Ryzen 9 7945HX mostly shows up through inconsistent older-market listings.
    • 72.7% higher power demand at 95W vs 55W.

    Ryzen 9 7945HX

    2023

    Why buy it

    • Better for gaming: +58.0% higher average FPS across 5 shared CPU benchmark tests.
    • +433.3% larger total L3 cache (64 MB vs 12 MB).
    • Draws 55W instead of 95W, a 40W reduction.
    • Newer platform on FL1 with DDR5 support instead of LGA1151 and DDR4.
    • 75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

    Trade-offs

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

    Quick Answers

    So, is Ryzen 9 7945HX better than Core i7-9700K?
    Yes. Ryzen 9 7945HX is the better overall CPU here. You are getting a 58.0% average FPS lead across 5 shared CPU game tests in our data, 278% 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 9 7945HX is the better pick here. According to our tests, it delivers 58.0% more average FPS across 5 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Ryzen 9 7945HX is the better fit. You are getting 278% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 433.3% larger total L3 cache (64 MB vs 12 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 9 7945HX is the smarter buy by a wide margin for a fresh build. Ryzen 9 7945HX is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you a 58.0% average FPS lead across 5 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on LGA1151.
    Which one is more future-proof for 2026 and beyond?
    Ryzen 9 7945HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with FL1 and DDR5 instead of LGA1151, 433.3% larger total L3 cache (64 MB vs 12 MB), and more multi-core headroom with 16 cores / 32 threads instead of 8/8. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

    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

    PresetCore i7-9700KRyzen 9 7945HX
    1080p
    low308 FPS301 FPS
    medium278 FPS276 FPS
    high231 FPS224 FPS
    ultra182 FPS190 FPS
    1440p
    low270 FPS271 FPS
    medium221 FPS226 FPS
    high178 FPS172 FPS
    ultra143 FPS153 FPS
    4K
    low170 FPS189 FPS
    medium140 FPS157 FPS
    high108 FPS119 FPS
    ultra95 FPS107 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i7-9700KRyzen 9 7945HX
    1080p
    low360 FPS744 FPS
    medium321 FPS620 FPS
    high291 FPS466 FPS
    ultra259 FPS397 FPS
    1440p
    low324 FPS630 FPS
    medium282 FPS541 FPS
    high258 FPS419 FPS
    ultra225 FPS328 FPS
    4K
    low249 FPS355 FPS
    medium221 FPS309 FPS
    high208 FPS272 FPS
    ultra179 FPS230 FPS
    League of Legends

    League of Legends

    PresetCore i7-9700KRyzen 9 7945HX
    1080p
    low360 FPS893 FPS
    medium360 FPS712 FPS
    high360 FPS618 FPS
    ultra360 FPS533 FPS
    1440p
    low360 FPS718 FPS
    medium360 FPS572 FPS
    high360 FPS487 FPS
    ultra360 FPS418 FPS
    4K
    low360 FPS513 FPS
    medium360 FPS427 FPS
    high360 FPS383 FPS
    ultra318 FPS323 FPS
    Valorant

    Valorant

    PresetCore i7-9700KRyzen 9 7945HX
    1080p
    low360 FPS1129 FPS
    medium360 FPS1006 FPS
    high360 FPS873 FPS
    ultra360 FPS768 FPS
    1440p
    low360 FPS900 FPS
    medium360 FPS790 FPS
    high360 FPS689 FPS
    ultra360 FPS584 FPS
    4K
    low360 FPS648 FPS
    medium360 FPS578 FPS
    high360 FPS510 FPS
    ultra360 FPS436 FPS

    Technical Specifications

    Side-by-side comparison of Core i7-9700K and Ryzen 9 7945HX

    Intel

    Core i7-9700K

    The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

    AMD

    Ryzen 9 7945HX

    The Ryzen 9 7945HX is manufactured by AMD. It was released in 2023-03-12. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on CCD = 5 nm, I/O = 6 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 54,425 points. Launch price was $700.

    Processing Power

    The Core i7-9700K packs 8 cores / 8 threads, while the Ryzen 9 7945HX offers 16 cores / 32 threads — the Ryzen 9 7945HX has 8 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.4 GHz on the Ryzen 9 7945HX — a 9.7% clock advantage for the Ryzen 9 7945HX (base: 3.6 GHz vs 2.5 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 9 7945HX uses Dragon Range-HX (Zen 4) (2023−2024) (CCD = 5 nm, I/O = 6 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 9 7945HX's 54,425 — a 116.3% lead for the Ryzen 9 7945HX. L3 cache: 12 MB (total) on the Core i7-9700K vs 64 MB (total) on the Ryzen 9 7945HX.

    FeatureCore i7-9700KRyzen 9 7945HX
    Cores / Threads
    8 / 8
    16 / 32+100%
    Boost Clock
    4.9 GHz
    5.4 GHz+10%
    Base Clock
    3.6 GHz+44%
    2.5 GHz
    L3 Cache
    12 MB (total)
    64 MB (total)+433%
    L2 Cache
    256K (per core)
    1 MB (per core)+300%
    Process
    14 nm
    CCD = 5 nm, I/O = 6 nm-64%
    Architecture
    Coffee Lake-R (2018−2019)
    Dragon Range-HX (Zen 4) (2023−2024)
    PassMark
    14,397
    54,425+278%
    Cinebench R23 Multi
    34,521
    Geekbench 6 Single
    2,774
    Geekbench 6 Multi
    16,214
    🧠

    Memory & Platform

    The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 9 7945HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR5-5200 on the Ryzen 9 7945HX — the Ryzen 9 7945HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 64 GB 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-9700K) vs 28 (Ryzen 9 7945HX) — the Ryzen 9 7945HX offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and FL1 (Ryzen 9 7945HX).

    FeatureCore i7-9700KRyzen 9 7945HX
    Socket
    LGA1151
    FL1
    PCIe Generation
    PCIe 3.0
    PCIe 5.0+67%
    Max RAM Speed
    DDR4-2666
    DDR5-5200+25%
    Max RAM Capacity
    128 GB+100%
    64 GB
    RAM Channels
    2
    2
    ECC Support
    No
    Yes
    PCIe Lanes
    16
    28+75%
    🔧

    Advanced Features

    Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7945HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-9700K) vs AMD-V (Ryzen 9 7945HX). Both include integrated graphics UHD Graphics 630 (Core i7-9700K) and Radeon 610M (Ryzen 9 7945HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Ryzen 9 7945HX targets Extreme Gaming / Mobile Workstation. Direct competitor: Ryzen 9 7945HX rivals Core i9-14900HX.

    FeatureCore i7-9700KRyzen 9 7945HX
    Integrated GPU
    Yes
    Yes
    IGPU Model
    UHD Graphics 630
    Radeon 610M
    Unlocked
    Yes
    Yes
    AVX-512
    No
    Yes
    Virtualization
    VT-x, VT-d
    AMD-V
    Target Use
    Desktop
    Extreme Gaming / Mobile Workstation