Core i7-9700K vs Ryzen 9 5900HX

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Popular choices:

VS
AMD

Ryzen 9 5900HX

8 Cores16 Thrd45 WWMax: 4.6 GHz2021

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 5900HX across 5 shared CPU benchmark tests.
    • Lower PassMark (14,397 vs 22,198).
    • Smaller total L3 cache (12 MB vs 16 MB).
    • Lower PassMark per dollar, at 37.4 vs 83.5 PassMark/$ ($385 MSRP vs $266 MSRP).
    • 111.1% higher power demand at 95W vs 45W.

    Ryzen 9 5900HX

    2021

    Why buy it

    • Better for gaming: +29.5% higher average FPS across 5 shared CPU benchmark tests.
    • +33.3% larger total L3 cache (16 MB vs 12 MB).
    • Costs $119 less on MSRP ($266 MSRP vs $385 MSRP).
    • Delivers 123.2% more PassMark for each dollar spent, at 83.5 vs 37.4 PassMark/$ ($266 MSRP vs $385 MSRP).
    • Draws 45W instead of 95W, a 50W reduction.

    Trade-offs

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

    Quick Answers

    So, is Ryzen 9 5900HX better than Core i7-9700K?
    Yes. Ryzen 9 5900HX is the better overall CPU here. You are getting a 29.5% average FPS lead across 5 shared CPU game tests in our data, 54.2% 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 9 5900HX is the better pick here. According to our tests, it delivers 29.5% 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 5900HX is the better fit. You are getting 54.2% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 9 5900HX is the smarter buy today. Ryzen 9 5900HX is $119 cheaper on MSRP at $266 MSRP versus $385 MSRP, and it gives you a 29.5% average FPS lead across 5 shared CPU game tests in our data. It is also 123.2% better value on MSRP (83.5 vs 37.4 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
    Which one is more future-proof for 2026 and beyond?
    Ryzen 9 5900HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2018), 33.3% larger total L3 cache (16 MB vs 12 MB), and more multi-core headroom with 8 cores / 16 threads instead of 8/8. 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

    PresetCore i7-9700KRyzen 9 5900HX
    1080p
    low308 FPS189 FPS
    medium278 FPS156 FPS
    high231 FPS127 FPS
    ultra182 FPS100 FPS
    1440p
    low270 FPS160 FPS
    medium221 FPS129 FPS
    high178 FPS104 FPS
    ultra143 FPS83 FPS
    4K
    low170 FPS88 FPS
    medium140 FPS77 FPS
    high108 FPS61 FPS
    ultra95 FPS47 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i7-9700KRyzen 9 5900HX
    1080p
    low360 FPS555 FPS
    medium321 FPS466 FPS
    high291 FPS394 FPS
    ultra259 FPS343 FPS
    1440p
    low324 FPS497 FPS
    medium282 FPS417 FPS
    high258 FPS358 FPS
    ultra225 FPS301 FPS
    4K
    low249 FPS342 FPS
    medium221 FPS295 FPS
    high208 FPS269 FPS
    ultra179 FPS232 FPS
    League of Legends

    League of Legends

    PresetCore i7-9700KRyzen 9 5900HX
    1080p
    low360 FPS555 FPS
    medium360 FPS555 FPS
    high360 FPS555 FPS
    ultra360 FPS555 FPS
    1440p
    low360 FPS555 FPS
    medium360 FPS546 FPS
    high360 FPS488 FPS
    ultra360 FPS431 FPS
    4K
    low360 FPS477 FPS
    medium360 FPS404 FPS
    high360 FPS354 FPS
    ultra318 FPS288 FPS
    Valorant

    Valorant

    PresetCore i7-9700KRyzen 9 5900HX
    1080p
    low360 FPS555 FPS
    medium360 FPS555 FPS
    high360 FPS555 FPS
    ultra360 FPS555 FPS
    1440p
    low360 FPS555 FPS
    medium360 FPS555 FPS
    high360 FPS555 FPS
    ultra360 FPS488 FPS
    4K
    low360 FPS528 FPS
    medium360 FPS476 FPS
    high360 FPS415 FPS
    ultra360 FPS353 FPS

    Technical Specifications

    Side-by-side comparison of Core i7-9700K and Ryzen 9 5900HX

    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 5900HX

    The Ryzen 9 5900HX is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-H (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 22,198 points. Launch price was $299.

    Processing Power

    The Core i7-9700K packs 8 cores / 8 threads, matching the Ryzen 9 5900HX's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.6 GHz on the Ryzen 9 5900HX — a 6.3% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 3.3 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 9 5900HX uses Cezanne-H (Zen 3) (2021) (7 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 9 5900HX's 22,198 — a 42.6% lead for the Ryzen 9 5900HX. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Ryzen 9 5900HX.

    FeatureCore i7-9700KRyzen 9 5900HX
    Cores / Threads
    8 / 8
    8 / 16
    Boost Clock
    4.9 GHz+7%
    4.6 GHz
    Base Clock
    3.6 GHz+9%
    3.3 GHz
    L3 Cache
    12 MB (total)
    16 MB (total)+33%
    L2 Cache
    256K (per core)
    512K (per core)+100%
    Process
    14 nm
    7 nm-50%
    Architecture
    Coffee Lake-R (2018−2019)
    Cezanne-H (Zen 3) (2021)
    PassMark
    14,397
    22,198+54%
    Cinebench R23 Multi
    13,955
    Geekbench 6 Single
    1,845
    Geekbench 6 Multi
    7,587
    🧠

    Memory & Platform

    The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 9 5900HX uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. 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. Both provide 16 PCIe lanes. Chipset compatibility: Intel 300 series (Core i7-9700K) and FP6 (Ryzen 9 5900HX).

    FeatureCore i7-9700KRyzen 9 5900HX
    Socket
    LGA1151
    FP6
    PCIe Generation
    PCIe 3.0
    PCIe 4.0+33%
    Max RAM Speed
    DDR4-2666
    DDR4-3200, LPDDR4-4266
    Max RAM Capacity
    128 GB+100%
    64 GB
    RAM Channels
    2
    2
    ECC Support
    No
    No
    PCIe Lanes
    16
    16
    🔧

    Advanced Features

    Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d (Core i7-9700K) vs AMD-V (Ryzen 9 5900HX). Both include integrated graphics UHD Graphics 630 (Core i7-9700K) and Radeon RX Vega 8 (Ryzen 9 5900HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Ryzen 9 5900HX targets Gaming Laptop / Mobile Workstation. Direct competitor: Ryzen 9 5900HX rivals Core i9-11980HK.

    FeatureCore i7-9700KRyzen 9 5900HX
    Integrated GPU
    Yes
    Yes
    IGPU Model
    UHD Graphics 630
    Radeon RX Vega 8
    Unlocked
    Yes
    Yes
    AVX-512
    No
    No
    Virtualization
    VT-x, VT-d
    AMD-V
    Target Use
    Desktop
    Gaming Laptop / Mobile Workstation
    💰

    Value Analysis

    The Core i7-9700K launched at $385 MSRP, while the Ryzen 9 5900HX debuted at $266. On MSRP ($385 vs $266), the Ryzen 9 5900HX is $119 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 83.5 pts/$ for the Ryzen 9 5900HX — making the Ryzen 9 5900HX the 76.2% better value option.

    FeatureCore i7-9700KRyzen 9 5900HX
    MSRP
    $385
    $266-31%
    Performance per Dollar
    37.4
    83.5+123%
    Release Date
    2018
    2021