Core i7-11700KF vs Core i9-7920X

Intel

Core i7-11700KF

8 Cores16 Thrd125 WWMax: 5 GHz2021

Popular choices:

VS
Intel

Core i9-7920X

12 Cores24 Thrd140 WWMax: 4.4 GHz2017

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 i7-11700KF

2021

Why buy it

  • Better for gaming: +35.9% higher average FPS across 4 shared CPU benchmark tests.
  • Costs $825 less on MSRP ($374 MSRP vs $1,199 MSRP).
  • Delivers 224.7% more PassMark for each dollar spent, at 63.7 vs 19.6 PassMark/$ ($374 MSRP vs $1,199 MSRP).
  • Draws 125W instead of 140W, a 15W reduction.
  • 100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

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

Core i9-7920X

2017

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Core i7-11700KF across 4 shared CPU benchmark tests.
    • Lower PassMark (23,508 vs 23,811).
    • Lower PassMark per dollar, at 19.6 vs 63.7 PassMark/$ ($1,199 MSRP vs $374 MSRP).

    Quick Answers

    So, is Core i7-11700KF better than Core i9-7920X?
    Yes. Core i7-11700KF is the better overall CPU here. You are getting a 35.9% average FPS lead across 4 shared CPU game tests in our data, 1.3% 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 i7-11700KF is the better pick here. According to our tests, it delivers 35.9% more average FPS across 4 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Core i7-11700KF is the better fit. You are getting 1.3% better PassMark, backed by 8 cores and 16 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Core i7-11700KF is the smarter buy today. Core i7-11700KF is $825 cheaper on MSRP at $374 MSRP versus $1,199 MSRP, and it gives you a 35.9% average FPS lead across 4 shared CPU game tests in our data. It is also 224.7% better value on MSRP (63.7 vs 19.6 PassMark/$), 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?
    Core i7-11700KF is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2017) and more multi-core headroom with 8 cores / 16 threads instead of 12/24. 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 i7-11700KFCore i9-7920X
    1080p
    low301 FPS163 FPS
    medium264 FPS142 FPS
    high222 FPS113 FPS
    ultra190 FPS96 FPS
    1440p
    low247 FPS140 FPS
    medium195 FPS119 FPS
    high159 FPS94 FPS
    ultra140 FPS79 FPS
    4K
    low170 FPS76 FPS
    medium136 FPS70 FPS
    high105 FPS55 FPS
    ultra92 FPS43 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i7-11700KFCore i9-7920X
    1080p
    low595 FPS352 FPS
    medium529 FPS300 FPS
    high454 FPS274 FPS
    ultra405 FPS243 FPS
    1440p
    low594 FPS315 FPS
    medium493 FPS274 FPS
    high421 FPS249 FPS
    ultra361 FPS215 FPS
    4K
    low400 FPS227 FPS
    medium342 FPS201 FPS
    high320 FPS191 FPS
    ultra274 FPS162 FPS
    League of Legends

    League of Legends

    PresetCore i7-11700KFCore i9-7920X
    1080p
    low595 FPS560 FPS
    medium595 FPS468 FPS
    high595 FPS420 FPS
    ultra567 FPS366 FPS
    1440p
    low595 FPS507 FPS
    medium595 FPS431 FPS
    high546 FPS385 FPS
    ultra468 FPS334 FPS
    4K
    low582 FPS390 FPS
    medium482 FPS322 FPS
    high425 FPS284 FPS
    ultra354 FPS231 FPS
    Valorant

    Valorant

    PresetCore i7-11700KFCore i9-7920X
    1080p
    low595 FPS588 FPS
    medium595 FPS588 FPS
    high595 FPS588 FPS
    ultra595 FPS588 FPS
    1440p
    low595 FPS588 FPS
    medium595 FPS588 FPS
    high595 FPS579 FPS
    ultra595 FPS502 FPS
    4K
    low595 FPS531 FPS
    medium565 FPS480 FPS
    high510 FPS424 FPS
    ultra437 FPS366 FPS

    Technical Specifications

    Side-by-side comparison of Core i7-11700KF and Core i9-7920X

    Intel

    Core i7-11700KF

    The Core i7-11700KF is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 23,811 points. Launch price was $299.

    Intel

    Core i9-7920X

    The Core i9-7920X is manufactured by Intel. It was released in 10 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 4.4 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 23,508 points. Launch price was $1,199.

    Processing Power

    The Core i7-11700KF packs 8 cores / 16 threads, while the Core i9-7920X offers 12 cores / 24 threads — the Core i9-7920X has 4 more cores. Boost clocks reach 5 GHz on the Core i7-11700KF versus 4.4 GHz on the Core i9-7920X — a 12.8% clock advantage for the Core i7-11700KF (base: 3.6 GHz vs 2.9 GHz). The Core i7-11700KF uses the Rocket Lake (2021) architecture (14 nm), while the Core i9-7920X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i7-11700KF scores 23,811 against the Core i9-7920X's 23,508 — a 1.3% lead for the Core i7-11700KF. L3 cache: 16 MB (total) on the Core i7-11700KF vs 16.5 MB (total) on the Core i9-7920X.

    FeatureCore i7-11700KFCore i9-7920X
    Cores / Threads
    8 / 16
    12 / 24+50%
    Boost Clock
    5 GHz+14%
    4.4 GHz
    Base Clock
    3.6 GHz+24%
    2.9 GHz
    L3 Cache
    16 MB (total)
    16.5 MB (total)+3%
    L2 Cache
    256K (per core)
    1 MB (per core)+300%
    Process
    14 nm
    14 nm
    Architecture
    Rocket Lake (2021)
    Skylake (server) (2017−2018)
    PassMark
    23,811+1%
    23,508
    Cinebench R23 Multi
    15,011
    Geekbench 6 Single
    2,287
    Geekbench 6 Multi
    10,874
    🧠

    Memory & Platform

    The Core i7-11700KF uses the LGA1200 socket (PCIe 4.0), while the Core i9-7920X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.

    FeatureCore i7-11700KFCore i9-7920X
    Socket
    LGA1200
    LGA2066
    PCIe Generation
    PCIe 4.0+33%
    PCIe 3.0
    Max RAM Speed
    DDR4-3200
    Max RAM Capacity
    128 GB
    RAM Channels
    2
    ECC Support
    No
    PCIe Lanes
    20
    🔧

    Advanced Features

    Virtualization: VT-x, VT-d (Core i7-11700KF) / not specified (Core i9-7920X).

    FeatureCore i7-11700KFCore i9-7920X
    Integrated GPU
    No
    Unlocked
    Yes
    AVX-512
    Yes
    Virtualization
    VT-x, VT-d
    💰

    Value Analysis

    The Core i7-11700KF launched at $374 MSRP, while the Core i9-7920X debuted at $1199. On MSRP ($374 vs $1199), the Core i7-11700KF is $825 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-11700KF delivers 63.7 pts/$ vs 19.6 pts/$ for the Core i9-7920X — making the Core i7-11700KF the 105.8% better value option.

    FeatureCore i7-11700KFCore i9-7920X
    MSRP
    $374-69%
    $1199
    Performance per Dollar
    63.7+225%
    19.6
    Release Date
    2021
    2017