Core i7-12700K vs Core i9-10900K

Intel

Core i7-12700K

12 Cores20 Thrd125 WWMax: 5 GHz2021

Popular choices:

VS
Intel

Core i9-10900K

10 Cores20 Thrd125 WWMax: 5.2 GHz2020

Popular choices:

i7-12700K

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 i7-12700K

2021

Why buy it

  • Better for gaming: +10.5% higher average FPS across 5 shared CPU benchmark tests.
  • +25% larger total L3 cache (25 MB vs 20 MB).
  • Costs $90 less on MSRP ($409 MSRP vs $499 MSRP).
  • Delivers 87.2% more PassMark for each dollar spent, at 84.0 vs 44.9 PassMark/$ ($409 MSRP vs $499 MSRP).
  • Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

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

Core i9-10900K

2020

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Core i7-12700K across 5 shared CPU benchmark tests.
    • Lower PassMark (22,382 vs 34,347).
    • Smaller total L3 cache (20 MB vs 25 MB).
    • Lower PassMark per dollar, at 44.9 vs 84.0 PassMark/$ ($499 MSRP vs $409 MSRP).
    • Older platform position on LGA1200 with DDR4, while Core i7-12700K moves to LGA1700 and DDR5.

    Quick Answers

    So, is Core i7-12700K better than Core i9-10900K?
    Yes. Core i7-12700K is the better overall CPU here. You are getting a 10.5% average FPS lead across 5 shared CPU game tests in our data, 53.5% 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 i7-12700K is the better pick here. According to our tests, it delivers 10.5% 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, Core i7-12700K is the better fit. You are getting 53.5% better PassMark, backed by 12 cores and 20 threads. It also carries the larger cache pool with 25% larger total L3 cache (25 MB vs 20 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Core i7-12700K is the smarter buy today. Core i7-12700K is $90 cheaper on MSRP at $409 MSRP versus $499 MSRP, and it gives you a 10.5% average FPS lead across 5 shared CPU game tests in our data. It is also 87.2% better value on MSRP (84.0 vs 44.9 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i9-10900K can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.
    Which one is more future-proof for 2026 and beyond?
    Core i7-12700K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), a healthier platform with LGA1700 and DDR5 instead of LGA1200, 25% larger total L3 cache (25 MB vs 20 MB), and more multi-core headroom with 12 cores / 20 threads instead of 10/20. 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 i7-12700KCore i9-10900K
    1080p
    low314 FPS263 FPS
    medium295 FPS242 FPS
    high246 FPS202 FPS
    ultra193 FPS174 FPS
    1440p
    low269 FPS227 FPS
    medium225 FPS189 FPS
    high182 FPS154 FPS
    ultra145 FPS136 FPS
    4K
    low170 FPS157 FPS
    medium142 FPS131 FPS
    high109 FPS102 FPS
    ultra96 FPS89 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i7-12700KCore i9-10900K
    1080p
    low630 FPS560 FPS
    medium533 FPS487 FPS
    high450 FPS411 FPS
    ultra410 FPS375 FPS
    1440p
    low536 FPS498 FPS
    medium475 FPS436 FPS
    high403 FPS369 FPS
    ultra349 FPS321 FPS
    4K
    low312 FPS292 FPS
    medium280 FPS259 FPS
    high266 FPS247 FPS
    ultra234 FPS215 FPS
    League of Legends

    League of Legends

    PresetCore i7-12700KCore i9-10900K
    1080p
    low797 FPS560 FPS
    medium633 FPS560 FPS
    high556 FPS517 FPS
    ultra472 FPS426 FPS
    1440p
    low704 FPS560 FPS
    medium565 FPS546 FPS
    high490 FPS464 FPS
    ultra422 FPS387 FPS
    4K
    low510 FPS473 FPS
    medium425 FPS407 FPS
    high381 FPS363 FPS
    ultra321 FPS299 FPS
    Valorant

    Valorant

    PresetCore i7-12700KCore i9-10900K
    1080p
    low859 FPS560 FPS
    medium802 FPS560 FPS
    high699 FPS560 FPS
    ultra628 FPS560 FPS
    1440p
    low760 FPS560 FPS
    medium678 FPS560 FPS
    high590 FPS560 FPS
    ultra519 FPS540 FPS
    4K
    low535 FPS539 FPS
    medium488 FPS490 FPS
    high437 FPS438 FPS
    ultra384 FPS383 FPS

    Technical Specifications

    Side-by-side comparison of Core i7-12700K and Core i9-10900K

    Intel

    Core i7-12700K

    The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.

    Intel

    Core i9-10900K

    The Core i9-10900K is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 5.2 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 22,382 points. Launch price was $488.

    Processing Power

    The Core i7-12700K packs 12 cores / 20 threads, while the Core i9-10900K offers 10 cores / 20 threads — the Core i7-12700K has 2 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 5.2 GHz on the Core i9-10900K — a 3.9% clock advantage for the Core i9-10900K (base: 3.6 GHz vs 3.7 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Core i9-10900K uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i7-12700K scores 34,347 against the Core i9-10900K's 22,382 — a 42.2% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 20 MB (total) on the Core i9-10900K.

    FeatureCore i7-12700KCore i9-10900K
    Cores / Threads
    12 / 20+20%
    10 / 20
    Boost Clock
    5 GHz
    5.2 GHz+4%
    Base Clock
    3.6 GHz
    3.7 GHz+3%
    L3 Cache
    25 MB (total)+25%
    20 MB (total)
    L2 Cache
    1.25 MB (per core)+400%
    256 kB (per core)
    Process
    10 nm-29%
    14 nm
    Architecture
    Alder Lake, Golden Cove, Gracemont (2021)
    Comet Lake (2020−2025)
    PassMark
    34,347+53%
    22,382
    🧠

    Memory & Platform

    The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Core i9-10900K uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR4-2933 on the Core i9-10900K — the Core i7-12700K supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12700K) vs 16 (Core i9-10900K) — the Core i7-12700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and Intel 400 series (Core i9-10900K).

    FeatureCore i7-12700KCore i9-10900K
    Socket
    LGA1700
    LGA1200
    PCIe Generation
    PCIe 5.0+67%
    PCIe 3.0
    Max RAM Speed
    4800+119900%
    DDR4-2933
    Max RAM Capacity
    128
    128 GB+104857500%
    RAM Channels
    2
    2
    ECC Support
    Yes
    No
    PCIe Lanes
    20+25%
    16
    🔧

    Advanced Features

    Both processors feature an unlocked multiplier for overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics Intel UHD Graphics 770 (Core i7-12700K) and UHD Graphics 630 (Core i9-10900K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i9-10900K targets Desktop. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.

    FeatureCore i7-12700KCore i9-10900K
    Integrated GPU
    Yes
    Yes
    IGPU Model
    Intel UHD Graphics 770
    UHD Graphics 630
    Unlocked
    Yes
    Yes
    AVX-512
    No
    No
    Virtualization
    VT-x, VT-d
    VT-x, VT-d
    Target Use
    Desktop
    💰

    Value Analysis

    The Core i7-12700K launched at $409 MSRP, while the Core i9-10900K debuted at $499. On MSRP ($409 vs $499), the Core i7-12700K is $90 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-12700K delivers 84.0 pts/$ vs 44.9 pts/$ for the Core i9-10900K — making the Core i7-12700K the 60.7% better value option.

    FeatureCore i7-12700KCore i9-10900K
    MSRP
    $409-18%
    $499
    Performance per Dollar
    84.0+87%
    44.9
    Release Date
    2021
    2020