Core i5-14400 vs Core i9-11900K

Intel

Core i5-14400

10 Cores16 Thrd65 WWMax: 4.7 GHz2024

Popular choices:

VS
Intel

Core i9-11900K

8 Cores16 Thrd125 WWMax: 5.2 GHz2021

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 i5-14400

2024

Why buy it

  • Better for gaming: +3.3% higher average FPS across 5 shared CPU benchmark tests.
  • +25% larger total L3 cache (20 MB vs 16 MB).
  • Costs $318 less on MSRP ($221 MSRP vs $539 MSRP).
  • Delivers 147.2% more PassMark for each dollar spent, at 114.6 vs 46.4 PassMark/$ ($221 MSRP vs $539 MSRP).
  • Draws 65W instead of 125W, a 60W reduction.

Trade-offs

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

Core i9-11900K

2021

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Core i5-14400 across 5 shared CPU benchmark tests.
    • Lower PassMark (24,990 vs 25,329).
    • Smaller total L3 cache (16 MB vs 20 MB).
    • Lower PassMark per dollar, at 46.4 vs 114.6 PassMark/$ ($539 MSRP vs $221 MSRP).
    • 92.3% higher power demand at 125W vs 65W.

    Quick Answers

    So, is Core i5-14400 better than Core i9-11900K?
    Yes. Core i5-14400 is the better overall CPU here. You are getting a 3.3% average FPS lead across 5 shared CPU game tests in our data, 1.4% 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 i5-14400 is the better pick here. According to our tests, it delivers 3.3% 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 i5-14400 is the better fit. You are getting 1.4% better PassMark, backed by 10 cores and 16 threads. It also carries the larger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Core i5-14400 is the smarter buy today. Core i5-14400 is $318 cheaper on MSRP at $221 MSRP versus $539 MSRP, and it gives you a 3.3% average FPS lead across 5 shared CPU game tests in our data. It is also 147.2% better value on MSRP (114.6 vs 46.4 PassMark/$), 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 i9-11900K 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 i5-14400 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with LGA1700 and DDR5 instead of LGA1200, 25% larger total L3 cache (20 MB vs 16 MB), and more multi-core headroom with 10 cores / 16 threads instead of 8/16. 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 i5-14400Core i9-11900K
    1080p
    low170 FPS259 FPS
    medium154 FPS240 FPS
    high126 FPS201 FPS
    ultra106 FPS173 FPS
    1440p
    low145 FPS225 FPS
    medium126 FPS188 FPS
    high100 FPS152 FPS
    ultra85 FPS134 FPS
    4K
    low82 FPS154 FPS
    medium76 FPS129 FPS
    high61 FPS99 FPS
    ultra47 FPS88 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i5-14400Core i9-11900K
    1080p
    low548 FPS420 FPS
    medium466 FPS353 FPS
    high390 FPS314 FPS
    ultra354 FPS283 FPS
    1440p
    low457 FPS373 FPS
    medium402 FPS324 FPS
    high345 FPS287 FPS
    ultra299 FPS249 FPS
    4K
    low275 FPS249 FPS
    medium244 FPS223 FPS
    high229 FPS216 FPS
    ultra202 FPS184 FPS
    League of Legends

    League of Legends

    PresetCore i5-14400Core i9-11900K
    1080p
    low633 FPS625 FPS
    medium610 FPS536 FPS
    high540 FPS460 FPS
    ultra458 FPS398 FPS
    1440p
    low633 FPS598 FPS
    medium548 FPS497 FPS
    high479 FPS421 FPS
    ultra411 FPS366 FPS
    4K
    low494 FPS427 FPS
    medium412 FPS370 FPS
    high370 FPS330 FPS
    ultra311 FPS280 FPS
    Valorant

    Valorant

    PresetCore i5-14400Core i9-11900K
    1080p
    low633 FPS625 FPS
    medium633 FPS625 FPS
    high633 FPS625 FPS
    ultra596 FPS625 FPS
    1440p
    low633 FPS625 FPS
    medium633 FPS625 FPS
    high565 FPS625 FPS
    ultra493 FPS625 FPS
    4K
    low515 FPS625 FPS
    medium471 FPS576 FPS
    high418 FPS515 FPS
    ultra363 FPS437 FPS

    Technical Specifications

    Side-by-side comparison of Core i5-14400 and Core i9-11900K

    Intel

    Core i5-14400

    The Core i5-14400 is manufactured by Intel. It was released in 8 January 2024 (1 year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.7 GHz. L3 cache: 20 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: 25,329 points. Launch price was $221.

    Intel

    Core i9-11900K

    The Core i9-11900K 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 3.5 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4. Passmark benchmark score: 24,990 points. Launch price was $539.

    Processing Power

    The Core i5-14400 packs 10 cores / 16 threads, while the Core i9-11900K offers 8 cores / 16 threads — the Core i5-14400 has 2 more cores. Boost clocks reach 4.7 GHz on the Core i5-14400 versus 5.2 GHz on the Core i9-11900K — a 10.1% clock advantage for the Core i9-11900K (base: 2.5 GHz vs 3.5 GHz). The Core i5-14400 uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Core i9-11900K uses Rocket Lake (2021) (14 nm). In PassMark, the Core i5-14400 scores 25,329 against the Core i9-11900K's 24,990 — a 1.3% lead for the Core i5-14400. L3 cache: 20 MB (total) on the Core i5-14400 vs 16 MB (total) on the Core i9-11900K.

    FeatureCore i5-14400Core i9-11900K
    Cores / Threads
    10 / 16+25%
    8 / 16
    Boost Clock
    4.7 GHz
    5.2 GHz+11%
    Base Clock
    2.5 GHz
    3.5 GHz+40%
    L3 Cache
    20 MB (total)+25%
    16 MB (total)
    L2 Cache
    1.25 MB (per core)+150%
    512 kB (per core)
    Process
    Intel 7 nm-50%
    14 nm
    Architecture
    Raptor Lake-R (2023−2025)
    Rocket Lake (2021)
    PassMark
    25,329+1%
    24,990
    🧠

    Memory & Platform

    The Core i5-14400 uses the LGA1700 socket (PCIe 5.0), while the Core i9-11900K uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.

    FeatureCore i5-14400Core i9-11900K
    Socket
    LGA1700
    LGA1200
    PCIe Generation
    PCIe 5.0+25%
    PCIe 4.0
    💰

    Value Analysis

    The Core i5-14400 launched at $221 MSRP, while the Core i9-11900K debuted at $539. On MSRP ($221 vs $539), the Core i5-14400 is $318 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-14400 delivers 114.6 pts/$ vs 46.4 pts/$ for the Core i9-11900K — making the Core i5-14400 the 84.8% better value option.

    FeatureCore i5-14400Core i9-11900K
    MSRP
    $221-59%
    $539
    Performance per Dollar
    114.6+147%
    46.4
    Release Date
    2024
    2021