Core i7-9700K vs Ryzen 9 5900HX

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018
Similar parts
·······
VS
AMD

Ryzen 9 5900HX

8 Cores16 Thrd45 WWMax: 4.6 GHz2021
Ryzen family
·······

Core i7-9700K vs Ryzen 9 5900HX Performance Spectrum

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.

Core i7-9700K vs Ryzen 9 5900HX FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i7-9700K vs Ryzen 9 5900HX: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-9700K

2018

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Ryzen 9 5900HX across 50 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: +6.9% higher average FPS across 50 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 all-around CPU here. It gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data, 54.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Ryzen 9 5900HX is the better pick. According to our tests, it delivers 6.9% more average FPS across 50 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 stronger fit. You are getting 54.2% better PassMark, backed by 8 cores and 16 threads. It also has 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 better buy right now. Ryzen 9 5900HX comes in $119 cheaper on MSRP at $266 MSRP versus $385 MSRP, and it still gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data. It is also 123.2% better value on MSRP (83.5 vs 37.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
    Which one is more future-proof for 2026 and beyond?
    Ryzen 9 5900HX makes more sense long term 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 is more likely to matter as games, background tasks, and creator workloads get heavier.

    Core i7-9700K vs Ryzen 9 5900HX Technical Specifications

    Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

    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. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR4-3200, LPDDR4-4266 on the Ryzen 9 5900HX — the Ryzen 9 5900HX supports 20% 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 100% 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+20%
    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

    At launch, the Core i7-9700K was priced at $385, while the Ryzen 9 5900HX came in at $266. On launch pricing ($385 vs $266), Ryzen 9 5900HX was $119 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ 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

    Affiliate Disclosure

    ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

    Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.