Ryzen 7 3700X vs Ryzen 9 7940HX

AMD

Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019

Popular choices:

VS
AMD

Ryzen 9 7940HX

16 Cores32 Thrd55 WWMax: 5.2 GHz2024

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.

Ryzen 7 3700X

2019

Why buy it

    Trade-offs

    • Lower PassMark (22,430 vs 53,628).
    • Smaller total L3 cache (32 MB vs 64 MB).
    • Launch MSRP is still $329 MSRP, while Ryzen 9 7940HX mostly shows up through inconsistent older-market listings.
    • 18.2% higher power demand at 65W vs 55W.
    • Older platform position on AM4 with DDR4, while Ryzen 9 7940HX moves to FL1 and DDR5.

    Ryzen 9 7940HX

    2024

    Why buy it

    • +100% larger total L3 cache (64 MB vs 32 MB).
    • Draws 55W instead of 65W, a 10W reduction.
    • Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
    • 16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
    • Integrated graphics onboard with AMD Radeon 610M, while Ryzen 7 3700X needs a discrete GPU.

    Trade-offs

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

    Quick Answers

    So, is Ryzen 9 7940HX better than Ryzen 7 3700X?
    Yes. Ryzen 9 7940HX is the better overall CPU here. You are getting a 2.9% average FPS lead across 50 shared CPU game tests in our data, 139.1% 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, Ryzen 9 7940HX is the better pick here. According to our tests, it delivers 2.9% 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, Ryzen 9 7940HX is the better fit. You are getting 139.1% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 9 7940HX is still the faster CPU overall, but Ryzen 7 3700X makes more sense if price matters more than absolute performance. Ryzen 9 7940HX is at an unclear MSRP at unclear MSRP versus $329 MSRP, and it gives you a 2.9% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 3700X is also 100.0% better value on MSRP (68.2 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
    Which one is more future-proof for 2026 and beyond?
    Ryzen 9 7940HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2019), a healthier platform with FL1 and DDR5 instead of AM4, 100% larger total L3 cache (64 MB vs 32 MB), and more multi-core headroom with 16 cores / 32 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

    PresetRyzen 7 3700XRyzen 9 7940HX
    1080p
    low200 FPS293 FPS
    medium163 FPS268 FPS
    high137 FPS217 FPS
    ultra110 FPS183 FPS
    1440p
    low156 FPS268 FPS
    medium121 FPS223 FPS
    high100 FPS169 FPS
    ultra80 FPS150 FPS
    4K
    low84 FPS186 FPS
    medium71 FPS154 FPS
    high56 FPS117 FPS
    ultra44 FPS105 FPS
    Counter-Strike 2

    Counter-Strike 2

    PresetRyzen 7 3700XRyzen 9 7940HX
    1080p
    low561 FPS690 FPS
    medium525 FPS574 FPS
    high428 FPS433 FPS
    ultra383 FPS369 FPS
    1440p
    low545 FPS585 FPS
    medium471 FPS502 FPS
    high394 FPS390 FPS
    ultra337 FPS305 FPS
    4K
    low350 FPS329 FPS
    medium304 FPS286 FPS
    high274 FPS253 FPS
    ultra242 FPS213 FPS
    League of Legends

    League of Legends

    PresetRyzen 7 3700XRyzen 9 7940HX
    1080p
    low561 FPS888 FPS
    medium561 FPS708 FPS
    high561 FPS615 FPS
    ultra561 FPS531 FPS
    1440p
    low561 FPS714 FPS
    medium561 FPS570 FPS
    high538 FPS485 FPS
    ultra470 FPS416 FPS
    4K
    low499 FPS511 FPS
    medium394 FPS425 FPS
    high343 FPS381 FPS
    ultra275 FPS322 FPS
    Valorant

    Valorant

    PresetRyzen 7 3700XRyzen 9 7940HX
    1080p
    low561 FPS1128 FPS
    medium561 FPS1006 FPS
    high561 FPS873 FPS
    ultra561 FPS768 FPS
    1440p
    low561 FPS898 FPS
    medium561 FPS788 FPS
    high561 FPS687 FPS
    ultra555 FPS583 FPS
    4K
    low561 FPS646 FPS
    medium501 FPS576 FPS
    high447 FPS508 FPS
    ultra396 FPS434 FPS

    Technical Specifications

    Side-by-side comparison of Ryzen 7 3700X and Ryzen 9 7940HX

    AMD

    Ryzen 7 3700X

    The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

    AMD

    Ryzen 9 7940HX

    The Ryzen 9 7940HX is manufactured by AMD. It was released in 2024-01-01. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 53,628 points. Launch price was $600.

    Processing Power

    The Ryzen 7 3700X packs 8 cores / 16 threads, while the Ryzen 9 7940HX offers 16 cores / 32 threads — the Ryzen 9 7940HX has 8 more cores. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 5.2 GHz on the Ryzen 9 7940HX — a 16.7% clock advantage for the Ryzen 9 7940HX (base: 3.6 GHz vs 2.4 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 7940HX uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 7940HX's 53,628 — a 82% lead for the Ryzen 9 7940HX. L3 cache: 32 MB on the Ryzen 7 3700X vs 64 MB (total) on the Ryzen 9 7940HX.

    FeatureRyzen 7 3700XRyzen 9 7940HX
    Cores / Threads
    8 / 16
    16 / 32+100%
    Boost Clock
    4.4 GHz
    5.2 GHz+18%
    Base Clock
    3.6 GHz+50%
    2.4 GHz
    L3 Cache
    32 MB
    64 MB (total)+100%
    L2 Cache
    512K (per core)
    1 MB (per core)+100%
    Process
    7 nm, 12 nm
    5 nm-29%
    Architecture
    Matisse (Zen 2) (2019−2020)
    Dragon Range-HX (Zen 4) (2023−2024)
    PassMark
    22,430
    53,628+139%
    🧠

    Memory & Platform

    The Ryzen 7 3700X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 7940HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 3700X versus 5200 on the Ryzen 9 7940HX — the Ryzen 9 7940HX supports 199.7% 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: 24 (Ryzen 7 3700X) vs 28 (Ryzen 9 7940HX) — the Ryzen 9 7940HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X) and FL1 (Ryzen 9 7940HX).

    FeatureRyzen 7 3700XRyzen 9 7940HX
    Socket
    AM4
    FL1
    PCIe Generation
    PCIe 4.0
    PCIe 5.0+25%
    Max RAM Speed
    DDR4-3200
    5200+129900%
    Max RAM Capacity
    128 GB+104857500%
    128
    RAM Channels
    2
    2
    ECC Support
    Yes
    Yes
    PCIe Lanes
    24
    28+17%
    🔧

    Advanced Features

    Virtualization: not specified (Ryzen 7 3700X) / VT-x, VT-d, AMD-V (Ryzen 9 7940HX). The Ryzen 9 7940HX includes integrated graphics (AMD Radeon 610M), while the Ryzen 7 3700X requires a dedicated GPU. Direct competitor: Ryzen 9 7940HX rivals Core i9-13900HX.

    FeatureRyzen 7 3700XRyzen 9 7940HX
    Integrated GPU
    No
    Yes
    IGPU Model
    AMD Radeon 610M
    Unlocked
    Yes
    AVX-512
    Yes
    Virtualization
    VT-x, VT-d, AMD-V