Core i7-7820X vs Core i7-13700K

Intel

Core i7-7820X

8 Cores16 Thrd140 WWMax: 4.5 GHz2017

Popular choices:

i7-13700K
VS
Intel

Core i7-13700K

16 Cores24 Thrd125 WWMax: 5.4 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 i7-7820X

2017

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Core i7-13700K across 50 shared CPU benchmark tests.
    • Lower PassMark (17,171 vs 45,784).
    • Smaller total L3 cache (11 MB vs 30 MB).
    • Lower PassMark per dollar, at 28.7 vs 111.9 PassMark/$ ($599 MSRP vs $409 MSRP).
    • Older platform position on LGA2066 with DDR4, while Core i7-13700K moves to LGA1700 and DDR5.

    Core i7-13700K

    2022

    Why buy it

    • Better for gaming: +21.5% higher average FPS across 50 shared CPU benchmark tests.
    • +172.7% larger total L3 cache (30 MB vs 11 MB).
    • Costs $190 less on MSRP ($409 MSRP vs $599 MSRP).
    • Delivers 290.5% more PassMark for each dollar spent, at 111.9 vs 28.7 PassMark/$ ($409 MSRP vs $599 MSRP).
    • Draws 125W instead of 140W, a 15W reduction.

    Trade-offs

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

    Quick Answers

    So, is Core i7-13700K better than Core i7-7820X?
    Yes. Core i7-13700K is the better overall CPU here. You are getting a 21.5% average FPS lead across 50 shared CPU game tests in our data, 166.6% 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 i7-13700K is the better pick here. According to our tests, it delivers 21.5% more average FPS across 50 shared CPU game tests.
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Core i7-13700K is the better fit. You are getting 166.6% better PassMark, backed by 16 cores and 24 threads. It also carries the larger cache pool with 172.7% larger total L3 cache (30 MB vs 11 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Core i7-13700K is the smarter buy today. Core i7-13700K is $190 cheaper on MSRP at $409 MSRP versus $599 MSRP, and it gives you a 21.5% average FPS lead across 50 shared CPU game tests in our data. It is also 290.5% better value on MSRP (111.9 vs 28.7 PassMark/$), 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 i7-13700K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2017), a healthier platform with LGA1700 and DDR5 instead of LGA2066, 172.7% larger total L3 cache (30 MB vs 11 MB), and more multi-core headroom with 16 cores / 24 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 i7-7820XCore i7-13700K
    1080p
    low208 FPS284 FPS
    medium165 FPS268 FPS
    high132 FPS223 FPS
    ultra100 FPS190 FPS
    1440p
    low174 FPS238 FPS
    medium136 FPS200 FPS
    high109 FPS159 FPS
    ultra83 FPS139 FPS
    4K
    low88 FPS159 FPS
    medium74 FPS134 FPS
    high59 FPS103 FPS
    ultra45 FPS90 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetCore i7-7820XCore i7-13700K
    1080p
    low368 FPS689 FPS
    medium297 FPS580 FPS
    high265 FPS484 FPS
    ultra233 FPS439 FPS
    1440p
    low327 FPS595 FPS
    medium270 FPS525 FPS
    high242 FPS441 FPS
    ultra209 FPS378 FPS
    4K
    low257 FPS348 FPS
    medium216 FPS314 FPS
    high199 FPS295 FPS
    ultra170 FPS261 FPS
    League of Legends

    League of Legends

    PresetCore i7-7820XCore i7-13700K
    1080p
    low429 FPS648 FPS
    medium429 FPS530 FPS
    high429 FPS467 FPS
    ultra429 FPS405 FPS
    1440p
    low429 FPS591 FPS
    medium429 FPS491 FPS
    high429 FPS427 FPS
    ultra429 FPS371 FPS
    4K
    low429 FPS434 FPS
    medium405 FPS374 FPS
    high364 FPS339 FPS
    ultra292 FPS290 FPS
    Valorant

    Valorant

    PresetCore i7-7820XCore i7-13700K
    1080p
    low429 FPS970 FPS
    medium429 FPS883 FPS
    high429 FPS766 FPS
    ultra429 FPS689 FPS
    1440p
    low429 FPS829 FPS
    medium429 FPS740 FPS
    high429 FPS642 FPS
    ultra429 FPS566 FPS
    4K
    low429 FPS567 FPS
    medium429 FPS515 FPS
    high429 FPS463 FPS
    ultra429 FPS404 FPS

    Technical Specifications

    Side-by-side comparison of Core i7-7820X and Core i7-13700K

    Intel

    Core i7-7820X

    The Core i7-7820X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 11 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: 17,171 points. Launch price was $599.

    Intel

    Core i7-13700K

    The Core i7-13700K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 16 cores and 24 threads. Base frequency is 3.4 GHz, with boost up to 5.4 GHz. L3 cache: 30 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 45,784 points. Launch price was $409.

    Processing Power

    The Core i7-7820X packs 8 cores / 16 threads, while the Core i7-13700K offers 16 cores / 24 threads — the Core i7-13700K has 8 more cores. Boost clocks reach 4.5 GHz on the Core i7-7820X versus 5.4 GHz on the Core i7-13700K — a 18.2% clock advantage for the Core i7-13700K (base: 3.6 GHz vs 3.4 GHz). The Core i7-7820X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Core i7-13700K uses Raptor Lake, Raptor Cove, Gracemont (2022) (Intel 7 nm). In PassMark, the Core i7-7820X scores 17,171 against the Core i7-13700K's 45,784 — a 90.9% lead for the Core i7-13700K. L3 cache: 11 MB (total) on the Core i7-7820X vs 30 MB (total) on the Core i7-13700K.

    FeatureCore i7-7820XCore i7-13700K
    Cores / Threads
    8 / 16
    16 / 24+100%
    Boost Clock
    4.5 GHz
    5.4 GHz+20%
    Base Clock
    3.6 GHz+6%
    3.4 GHz
    L3 Cache
    11 MB (total)
    30 MB (total)+173%
    L2 Cache
    1 MB (per core)
    2 MB (per core)+100%
    Process
    14 nm
    Intel 7 nm-50%
    Architecture
    Skylake (server) (2017−2018)
    Raptor Lake, Raptor Cove, Gracemont (2022)
    PassMark
    17,171
    45,784+167%
    Cinebench R23 Multi
    31,000
    Geekbench 6 Single
    2,846
    Geekbench 6 Multi
    18,980
    🧠

    Memory & Platform

    The Core i7-7820X uses the LGA2066 socket (PCIe 3.0), while the Core i7-13700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard.

    FeatureCore i7-7820XCore i7-13700K
    Socket
    LGA2066
    LGA1700
    PCIe Generation
    PCIe 3.0
    PCIe 5.0+67%
    Max RAM Speed
    DDR5-5600
    Max RAM Capacity
    192 GB
    RAM Channels
    2
    ECC Support
    Yes
    PCIe Lanes
    20
    🔧

    Advanced Features

    Virtualization: not specified (Core i7-7820X) / true (Core i7-13700K). The Core i7-13700K includes integrated graphics (Intel UHD Graphics 770), while the Core i7-7820X requires a dedicated GPU. Direct competitor: Core i7-13700K rivals Ryzen 9 7900X.

    FeatureCore i7-7820XCore i7-13700K
    Integrated GPU
    Yes
    IGPU Model
    Intel UHD Graphics 770
    Unlocked
    Yes
    AVX-512
    No
    Virtualization
    true
    💰

    Value Analysis

    The Core i7-7820X launched at $599 MSRP, while the Core i7-13700K debuted at $409. On MSRP ($599 vs $409), the Core i7-13700K is $190 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-7820X delivers 28.7 pts/$ vs 111.9 pts/$ for the Core i7-13700K — making the Core i7-13700K the 118.5% better value option.

    FeatureCore i7-7820XCore i7-13700K
    MSRP
    $599
    $409-32%
    Performance per Dollar
    28.7
    111.9+290%
    Release Date
    2017
    2022