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Ryzen 9 5900X vs Ryzen 9 9900X

CPUCPUGPUGPU
AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020
Ryzen family
·······
Buy on Amazon
VS
AMD

Ryzen 9 9900X

12 Cores24 Thrd120 WWMax: 5.6 GHz2024
Ryzen family
·····
Buy on Amazon

Ryzen 9 5900X vs Ryzen 9 9900X Performance Spectrum

Ryzen 9 5900X
12 / 24
38,955
0.0%
brand logoRyzen 7 PRO 250
brand logoRyzen 5 7645HX
brand logoRyzen 9 8945H
brand logoRyzen AI 9 HX 375
brand logoRyzen 9 7945HX
brand logoRyzen 9 9950X3D
brand logoRyzen Threadripper 9960X
brand logoRyzen Threadripper PRO 9975WX
Ryzen 9 9900X
12 / 24
54,530
+40.0%
brand logoRyzen 9 8945H
brand logoRyzen 7 7700X
brand logoRyzen 7 8840HX
brand logoRyzen 9 7900
brand logoRyzen 9 9950X3D
brand logoRyzen Threadripper PRO 7965WX
brand logoRyzen Threadripper PRO 5995WX
brand logoRyzen Threadripper 9970X

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.

Ryzen 9 5900X vs Ryzen 9 9900X FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Path of Exile 2

1080P
Ryzen 9 5900X
low323 FPS
medium291 FPS
high243 FPS
ultra193 FPS
1080P
Ryzen 9 9900X
low287 FPS
medium259 FPS
high218 FPS
ultra190 FPS
Counter-Strike 2

Counter-Strike 2

1080P
Ryzen 9 5900X
low772 FPS
medium647 FPS
high508 FPS
ultra450 FPS
1080P
Ryzen 9 9900X
low772 FPS
medium625 FPS
high467 FPS
ultra393 FPS
League of Legends

League of Legends

1080P
Ryzen 9 5900X
low832 FPS
medium645 FPS
high558 FPS
ultra459 FPS
1080P
Ryzen 9 9900X
low899 FPS
medium711 FPS
high618 FPS
ultra526 FPS
Valorant

Valorant

1080P
Ryzen 9 5900X
low974 FPS
medium974 FPS
high934 FPS
ultra826 FPS
1080P
Ryzen 9 9900X
low1126 FPS
medium989 FPS
high862 FPS
ultra766 FPS
Among Us

Among Us

1080P
Ryzen 9 5900X
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
1080P
Ryzen 9 9900X
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
Apex Legends

Apex Legends

1080P
Ryzen 9 5900X
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
1080P
Ryzen 9 9900X
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
ARC Raiders

ARC Raiders

1080P
Ryzen 9 5900X
low309 FPS
medium238 FPS
high217 FPS
ultra194 FPS
1080P
Ryzen 9 9900X
low311 FPS
medium240 FPS
high217 FPS
ultra193 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
Ryzen 9 5900X
low336 FPS
medium297 FPS
high235 FPS
ultra196 FPS
1080P
Ryzen 9 9900X
low301 FPS
medium258 FPS
high202 FPS
ultra162 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
Ryzen 9 5900X
low355 FPS
medium306 FPS
high265 FPS
ultra225 FPS
1080P
Ryzen 9 9900X
low383 FPS
medium341 FPS
high295 FPS
ultra253 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
Ryzen 9 5900X
low259 FPS
medium237 FPS
high200 FPS
ultra188 FPS
1080P
Ryzen 9 9900X
low276 FPS
medium261 FPS
high221 FPS
ultra208 FPS
Check FPS with Custom Builds

Ryzen 9 5900X vs Ryzen 9 9900X: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen 9 5900X

2020

Why buy it

    Trade-offs

    • ❌Lower Geekbench single-core performance for gaming (2,174 vs 3,401).
    • ❌Lower Cinebench R23 multi-core (21,000 vs 33,003).
    • ❌Lower PassMark per dollar, at 71.0 vs 109.3 PassMark/$ ($549 MSRP vs $499 MSRP).
    • ❌Older platform position on AM4 with DDR4, while Ryzen 9 9900X moves to AM5 and DDR5.
    • ❌No integrated graphics, while Ryzen 9 9900X can still boot and troubleshoot without a discrete GPU.

    Ryzen 9 9900X

    2024

    Why buy it

    • ✅+56.4% higher Geekbench single-core performance for gaming and desktop responsiveness.
    • ✅Costs $50 less on MSRP ($499 MSRP vs $549 MSRP).
    • ✅Delivers 54.0% more PassMark for each dollar spent, at 109.3 vs 71.0 PassMark/$ ($499 MSRP vs $549 MSRP).
    • ✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.
    • ✅Integrated graphics onboard with Radeon 610M, while Ryzen 9 5900X needs a discrete GPU.

    Trade-offs

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

    Quick Answers

    So, is Ryzen 9 9900X better than Ryzen 9 5900X?
    Yes. Ryzen 9 9900X is the better all-around CPU here. It gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data, 57.2% better Cinebench R23 multi-core, 40.0% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Ryzen 9 9900X is the better pick. According to our tests, it delivers 1.8% 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 9900X is the stronger fit. You are getting 57.2% better Cinebench R23 multi-core, backed by 12 cores and 24 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 9 9900X is the better buy right now. Ryzen 9 9900X comes in $50 cheaper on MSRP at $499 MSRP versus $549 MSRP, and it still gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data. It is also 54.0% better value on MSRP (109.3 vs 71.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 9 5900X can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.
    Which one is more future-proof for 2026 and beyond?
    Ryzen 9 9900X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with AM5 and DDR5 instead of AM4, and more multi-core headroom with 12 cores / 24 threads instead of 12/24. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

    Ryzen 9 5900X vs Ryzen 9 9900X Technical Specifications

    Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

    AMD

    Ryzen 9 5900X

    The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

    AMD

    Ryzen 9 9900X

    The Ryzen 9 9900X is manufactured by AMD. It was released in 15 August 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 54,530 points. Launch price was $499.

    ⚡

    Processing Power

    Both the Ryzen 9 5900X and Ryzen 9 9900X share an identical 12-core/24-thread configuration. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 5.6 GHz on the Ryzen 9 9900X — a 15.4% clock advantage for the Ryzen 9 9900X (base: 3.7 GHz vs 4.4 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 9 9900X uses Granite Ridge (2024−2025) (4 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Ryzen 9 9900X's 54,530 — a 33.3% lead for the Ryzen 9 9900X. Cinebench R23 multi-core: 21,000 vs 33,003 (44.5% advantage for the Ryzen 9 9900X). Geekbench 6 single-core — the metric most relevant to gaming — records 2,174 vs 3,401, a 44% lead for the Ryzen 9 9900X that directly translates to higher frame rates. Multi-core Geekbench: 11,888 vs 19,756 (49.7% advantage for the Ryzen 9 9900X). L3 cache: 64 MB on the Ryzen 9 5900X vs 64 MB (total) on the Ryzen 9 9900X.

    FeatureRyzen 9 5900XRyzen 9 9900X
    Cores / Threads
    12 / 24
    12 / 24
    Boost Clock
    4.8 GHz
    5.6 GHz+17%
    Base Clock
    3.7 GHz
    4.4 GHz+19%
    L3 Cache
    64 MB
    64 MB (total)
    L2 Cache
    512K (per core)+51100%
    1 MB (per core)
    Process
    7 nm, 12 nm
    4 nm-43%
    Architecture
    Vermeer (Zen3) (2020−2022)
    Granite Ridge (2024−2025)
    PassMark
    38,955
    54,530+40%
    Cinebench R23 Multi
    21,000
    33,003+57%
    Geekbench 6 Single
    2,174
    3,401+56%
    Geekbench 6 Multi
    11,888
    19,756+66%
    🧠

    Memory & Platform

    The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 9900X uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus DDR5-5600 on the Ryzen 9 9900X — the Ryzen 9 9900X supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 9900X supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 24 PCIe lanes. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and A620,B650,X670,X870 (Ryzen 9 9900X).

    FeatureRyzen 9 5900XRyzen 9 9900X
    Socket
    AM4
    AM5
    PCIe Generation
    PCIe 4.0
    PCIe 5.0+25%
    Max RAM Speed
    DDR4-3200
    DDR5-5600+75%
    Max RAM Capacity
    128 GB
    256 GB+100%
    RAM Channels
    2
    2
    ECC Support
    Yes
    Yes
    PCIe Lanes
    24
    24
    🔧

    Advanced Features

    Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9900X supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 9 9900X includes integrated graphics (Radeon 610M), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

    FeatureRyzen 9 5900XRyzen 9 9900X
    Integrated GPU
    No
    Yes
    IGPU Model
    —
    Radeon 610M
    Unlocked
    Yes
    Yes
    AVX-512
    No
    Yes
    Virtualization
    AMD-V
    AMD-V
    Target Use
    Workstation
    —
    💰

    Value Analysis

    At launch, the Ryzen 9 5900X was priced at $549, while the Ryzen 9 9900X came in at $499. On launch pricing ($549 vs $499), Ryzen 9 9900X was $50 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 109.3 pts/$ for the Ryzen 9 9900X — making the Ryzen 9 9900X the 42.5% better value option.

    FeatureRyzen 9 5900XRyzen 9 9900X
    MSRP
    $549
    $499-9%
    Performance per Dollar
    71.0
    109.3+54%
    Release Date
    2020
    2024
    Search Ryzen 9 5900X on AmazonSearch Ryzen 9 9900X on Amazon

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