Core i7-9700K vs Core i7-12850HX

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Popular choices:

VS
Intel

Core i7-12850HX

16 Cores24 Thrd55 WWMax: 4.8 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.

Core i7-9700K

2018

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Core i7-12850HX across 5 shared CPU benchmark tests.
    • Lower PassMark (14,397 vs 30,596).
    • Smaller total L3 cache (12 MB vs 25 MB).
    • Launch MSRP is still $385 MSRP, while Core i7-12850HX mostly shows up through inconsistent older-market listings.
    • 72.7% higher power demand at 95W vs 55W.

    Core i7-12850HX

    2022

    Why buy it

    • Better for gaming: +21.6% higher average FPS across 5 shared CPU benchmark tests.
    • +108.3% larger total L3 cache (25 MB vs 12 MB).
    • Draws 55W instead of 95W, a 40W reduction.
    • Newer platform on FCBGA1964 with DDR5 support instead of LGA1151 and DDR4.
    • 25% more PCIe lanes (20 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 Core i7-12850HX better than Core i7-9700K?
    Yes. Core i7-12850HX is the better overall CPU here. You are getting a 21.6% average FPS lead across 5 shared CPU game tests in our data, 112.5% 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, Core i7-12850HX is the better pick here. According to our tests, it delivers 21.6% 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, Core i7-12850HX is the better fit. You are getting 112.5% better PassMark, backed by 16 cores and 24 threads. It also carries the larger cache pool with 108.3% larger total L3 cache (25 MB vs 12 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Core i7-12850HX is the smarter buy by a wide margin for a fresh build. Core i7-12850HX is at an unclear MSRP at unclear MSRP versus $385 MSRP, and it gives you a 21.6% average FPS lead across 5 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), 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?
    Core i7-12850HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2018), a healthier platform with FCBGA1964 and DDR5 instead of LGA1151, 108.3% larger total L3 cache (25 MB vs 12 MB), and more multi-core headroom with 16 cores / 24 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 i7-9700KCore i7-12850HX
    1080p
    low308 FPS269 FPS
    medium278 FPS259 FPS
    high231 FPS214 FPS
    ultra182 FPS184 FPS
    1440p
    low270 FPS230 FPS
    medium221 FPS198 FPS
    high178 FPS159 FPS
    ultra143 FPS140 FPS
    4K
    low170 FPS159 FPS
    medium140 FPS136 FPS
    high108 FPS106 FPS
    ultra95 FPS93 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i7-9700KCore i7-12850HX
    1080p
    low360 FPS313 FPS
    medium321 FPS265 FPS
    high291 FPS224 FPS
    ultra259 FPS205 FPS
    1440p
    low324 FPS258 FPS
    medium282 FPS228 FPS
    high258 FPS199 FPS
    ultra225 FPS173 FPS
    4K
    low249 FPS159 FPS
    medium221 FPS142 FPS
    high208 FPS135 FPS
    ultra179 FPS120 FPS
    League of Legends

    League of Legends

    PresetCore i7-9700KCore i7-12850HX
    1080p
    low360 FPS765 FPS
    medium360 FPS616 FPS
    high360 FPS545 FPS
    ultra360 FPS462 FPS
    1440p
    low360 FPS692 FPS
    medium360 FPS554 FPS
    high360 FPS485 FPS
    ultra360 FPS416 FPS
    4K
    low360 FPS498 FPS
    medium360 FPS416 FPS
    high360 FPS373 FPS
    ultra318 FPS314 FPS
    Valorant

    Valorant

    PresetCore i7-9700KCore i7-12850HX
    1080p
    low360 FPS765 FPS
    medium360 FPS765 FPS
    high360 FPS672 FPS
    ultra360 FPS597 FPS
    1440p
    low360 FPS742 FPS
    medium360 FPS658 FPS
    high360 FPS566 FPS
    ultra360 FPS493 FPS
    4K
    low360 FPS522 FPS
    medium360 FPS473 FPS
    high360 FPS419 FPS
    ultra360 FPS364 FPS

    Technical Specifications

    Side-by-side comparison of Core i7-9700K and Core i7-12850HX

    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.

    Intel

    Core i7-12850HX

    The Core i7-12850HX is manufactured by Intel. It was released in 10 May 2022 (3 years ago). It is based on the Alder Lake-HX (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.1 GHz, with boost up to 4.8 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 30,596 points. Launch price was $499.

    Processing Power

    The Core i7-9700K packs 8 cores / 8 threads, while the Core i7-12850HX offers 16 cores / 24 threads — the Core i7-12850HX has 8 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.8 GHz on the Core i7-12850HX — a 2.1% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.1 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i7-12850HX uses Alder Lake-HX (2022) (Intel 7 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i7-12850HX's 30,596 — a 72% lead for the Core i7-12850HX. L3 cache: 12 MB (total) on the Core i7-9700K vs 25 MB (total) on the Core i7-12850HX.

    FeatureCore i7-9700KCore i7-12850HX
    Cores / Threads
    8 / 8
    16 / 24+100%
    Boost Clock
    4.9 GHz+2%
    4.8 GHz
    Base Clock
    3.6 GHz+71%
    2.1 GHz
    L3 Cache
    12 MB (total)
    25 MB (total)+108%
    L2 Cache
    256K (per core)
    1.25 MB (per core)+400%
    Process
    14 nm
    Intel 7 nm-50%
    Architecture
    Coffee Lake-R (2018−2019)
    Alder Lake-HX (2022)
    PassMark
    14,397
    30,596+113%
    🧠

    Memory & Platform

    The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i7-12850HX uses FCBGA1964 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR5-4800 on the Core i7-12850HX — the Core i7-12850HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-9700K) vs 20 (Core i7-12850HX) — the Core i7-12850HX offers 4 more lanes for additional GPUs or NVMe drives.

    FeatureCore i7-9700KCore i7-12850HX
    Socket
    LGA1151
    FCBGA1964
    PCIe Generation
    PCIe 3.0
    PCIe 5.0+67%
    Max RAM Speed
    DDR4-2666
    DDR5-4800+25%
    Max RAM Capacity
    128 GB
    128 GB
    RAM Channels
    2
    2
    ECC Support
    No
    Yes
    PCIe Lanes
    16
    20+25%
    🔧

    Advanced Features

    Both processors feature an unlocked multiplier for overclocking. Only the Core i7-12850HX supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Both include integrated graphics UHD Graphics 630 (Core i7-9700K) and UHD Graphics 770 (Core i7-12850HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Core i7-12850HX targets Mobile Workstation.

    FeatureCore i7-9700KCore i7-12850HX
    Integrated GPU
    Yes
    Yes
    IGPU Model
    UHD Graphics 630
    UHD Graphics 770
    Unlocked
    Yes
    Yes
    AVX-512
    No
    Yes
    Virtualization
    VT-x, VT-d
    VT-x, VT-d
    Target Use
    Desktop
    Mobile Workstation