Core i5-12400 vs Core i7-9700KF

Intel

Core i5-12400

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Popular choices:

VS
Intel

Core i7-9700KF

8 Cores8 Thrd95 WWMax: 4.9 GHz2019

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 i5-12400

2022

Why buy it

  • +43.5% higher Geekbench single-core performance for gaming and desktop responsiveness.
  • +50% larger total L3 cache (18 MB vs 12 MB).
  • Costs $165 less on MSRP ($209 MSRP vs $374 MSRP).
  • Delivers 136.0% more PassMark for each dollar spent, at 89.9 vs 38.1 PassMark/$ ($209 MSRP vs $374 MSRP).
  • Draws 65W instead of 95W, a 30W reduction.

Trade-offs

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

Core i7-9700KF

2019

Why buy it

    Trade-offs

    • Lower Geekbench single-core performance for gaming (1,659 vs 2,381).
    • Lower Geekbench multi-core (7,072 vs 10,632).
    • Smaller total L3 cache (12 MB vs 18 MB).
    • Lower PassMark per dollar, at 38.1 vs 89.9 PassMark/$ ($374 MSRP vs $209 MSRP).
    • 46.2% higher power demand at 95W vs 65W.

    Quick Answers

    So, is Core i5-12400 better than Core i7-9700KF?
    Yes. Core i5-12400 is the better overall CPU here. You are getting a 2.9% average FPS lead across 3 shared CPU game tests in our data, 50.3% better Geekbench multi-core, 31.9% higher 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 i5-12400 is the better pick here. According to our tests, it delivers 2.9% more average FPS across 3 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Core i5-12400 is the better fit. You are getting 50.3% better Geekbench multi-core, backed by 6 cores and 12 threads. It also carries the larger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Core i5-12400 is the smarter buy today. Core i5-12400 is $165 cheaper on MSRP at $209 MSRP versus $374 MSRP, and it gives you a 2.9% average FPS lead across 3 shared CPU game tests in our data. It is also 136.0% better value on MSRP (89.9 vs 38.1 PassMark/$), 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 i5-12400 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019), a healthier platform with LGA1700 and DDR5 instead of LGA1151, 50% larger total L3 cache (18 MB vs 12 MB), and more multi-core headroom with 6 cores / 12 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 i5-12400Core i7-9700KF
    1080p
    low183 FPS334 FPS
    medium168 FPS293 FPS
    high139 FPS245 FPS
    ultra119 FPS191 FPS
    1440p
    low153 FPS278 FPS
    medium132 FPS219 FPS
    high106 FPS178 FPS
    ultra89 FPS143 FPS
    4K
    low87 FPS175 FPS
    medium81 FPS139 FPS
    high64 FPS106 FPS
    ultra49 FPS93 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i5-12400Core i7-9700KF
    1080p
    low470 FPS356 FPS
    medium397 FPS356 FPS
    high341 FPS356 FPS
    ultra301 FPS318 FPS
    1440p
    low407 FPS356 FPS
    medium351 FPS356 FPS
    high309 FPS319 FPS
    ultra265 FPS277 FPS
    4K
    low282 FPS337 FPS
    medium248 FPS281 FPS
    high229 FPS258 FPS
    ultra196 FPS223 FPS
    League of Legends

    League of Legends

    PresetCore i5-12400Core i7-9700KF
    1080p
    low470 FPS356 FPS
    medium470 FPS356 FPS
    high470 FPS356 FPS
    ultra470 FPS356 FPS
    1440p
    low470 FPS356 FPS
    medium470 FPS356 FPS
    high470 FPS356 FPS
    ultra434 FPS356 FPS
    4K
    low442 FPS356 FPS
    medium389 FPS356 FPS
    high337 FPS356 FPS
    ultra274 FPS349 FPS
    Valorant

    Valorant

    PresetCore i5-12400Core i7-9700KF
    1080p
    low470 FPS356 FPS
    medium470 FPS356 FPS
    high470 FPS356 FPS
    ultra470 FPS356 FPS
    1440p
    low470 FPS356 FPS
    medium470 FPS356 FPS
    high470 FPS356 FPS
    ultra470 FPS356 FPS
    4K
    low470 FPS356 FPS
    medium450 FPS356 FPS
    high391 FPS356 FPS
    ultra330 FPS356 FPS

    Technical Specifications

    Side-by-side comparison of Core i5-12400 and Core i7-9700KF

    Intel

    Core i5-12400

    The Core i5-12400 is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 18,794 points. Launch price was $299.

    Intel

    Core i7-9700KF

    The Core i7-9700KF is manufactured by Intel. It was released in 8 January 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) 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: DDR4-2666. Passmark benchmark score: 14,250 points. Launch price was $374.

    Processing Power

    The Core i5-12400 packs 6 cores / 12 threads, while the Core i7-9700KF offers 8 cores / 8 threads — the Core i7-9700KF has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400 versus 4.9 GHz on the Core i7-9700KF — a 10.8% clock advantage for the Core i7-9700KF (base: 2.5 GHz vs 3.6 GHz). The Core i5-12400 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i7-9700KF uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Core i5-12400 scores 18,794 against the Core i7-9700KF's 14,250 — a 27.5% lead for the Core i5-12400. Geekbench 6 single-core — the metric most relevant to gaming — records 2,381 vs 1,659, a 35.7% lead for the Core i5-12400 that directly translates to higher frame rates. Multi-core Geekbench: 10,632 vs 7,072 (40.2% advantage for the Core i5-12400). L3 cache: 18 MB (total) on the Core i5-12400 vs 12 MB (total) on the Core i7-9700KF.

    FeatureCore i5-12400Core i7-9700KF
    Cores / Threads
    6 / 12
    8 / 8+33%
    Boost Clock
    4.4 GHz
    4.9 GHz+11%
    Base Clock
    2.5 GHz
    3.6 GHz+44%
    L3 Cache
    18 MB (total)+50%
    12 MB (total)
    L2 Cache
    1.25 MB (per core)+400%
    256K (per core)
    Process
    Intel 7 nm-50%
    14 nm
    Architecture
    Alder Lake-S (2022)
    Coffee Lake (2017−2019)
    PassMark
    18,794+32%
    14,250
    Cinebench R23 Multi
    12,400
    Geekbench 6 Single
    2,381+44%
    1,659
    Geekbench 6 Multi
    10,632+50%
    7,072
    🧠

    Memory & Platform

    The Core i5-12400 uses the LGA1700 socket (PCIe 5.0), while the Core i7-9700KF uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400 versus DDR4-2666 on the Core i7-9700KF — the Core i5-12400 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: 20 (Core i5-12400) vs 16 (Core i7-9700KF) — the Core i5-12400 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400) and LGA1151 (Core i7-9700KF).

    FeatureCore i5-12400Core i7-9700KF
    Socket
    LGA1700
    LGA1151
    PCIe Generation
    PCIe 5.0+67%
    PCIe 3.0
    Max RAM Speed
    DDR5-4800, DDR4-3200+25%
    DDR4-2666
    Max RAM Capacity
    128 GB
    128 GB
    RAM Channels
    2
    2
    ECC Support
    No
    No
    PCIe Lanes
    20+25%
    16
    🔧

    Advanced Features

    Virtualization support: VT-x, VT-d, EPT (Core i5-12400) vs VT-x, VT-d (Core i7-9700KF). The Core i5-12400 includes integrated graphics (UHD Graphics 730), while the Core i7-9700KF requires a dedicated GPU. Primary use case: Core i5-12400 targets Gaming Performance/Value. Direct competitor: Core i5-12400 rivals Ryzen 5 5600.

    FeatureCore i5-12400Core i7-9700KF
    Integrated GPU
    Yes
    No
    IGPU Model
    UHD Graphics 730
    Unlocked
    Yes
    AVX-512
    No
    Virtualization
    VT-x, VT-d, EPT
    VT-x, VT-d
    Target Use
    Gaming Performance/Value
    💰

    Value Analysis

    The Core i5-12400 launched at $209 MSRP, while the Core i7-9700KF debuted at $374. On MSRP ($209 vs $374), the Core i5-12400 is $165 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400 delivers 89.9 pts/$ vs 38.1 pts/$ for the Core i7-9700KF — making the Core i5-12400 the 81% better value option.

    FeatureCore i5-12400Core i7-9700KF
    MSRP
    $209-44%
    $374
    Performance per Dollar
    89.9+136%
    38.1
    Release Date
    2022
    2019