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 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.

Ryzen 9 5900X

2020

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

❌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.

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 overall CPU here. You are getting 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 makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 9900X is the better pick here. 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 better 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 smarter buy today. Ryzen 9 9900X is $50 cheaper on MSRP at $499 MSRP versus $549 MSRP, and it gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data. It is also 54.0% better value on MSRP (109.3 vs 71.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play 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 is the more future-proof choice 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 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.

Ryzen 9 5900X Benchmark Check

Ryzen 9 9900X Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Ryzen 9 9900X
1080p
low	323 FPS	287 FPS
medium	291 FPS	259 FPS
high	243 FPS	218 FPS
ultra	193 FPS	190 FPS
1440p
low	307 FPS	270 FPS
medium	248 FPS	218 FPS
high	192 FPS	170 FPS
ultra	157 FPS	152 FPS
4K
low	193 FPS	186 FPS
medium	156 FPS	151 FPS
high	115 FPS	112 FPS
ultra	103 FPS	100 FPS

Open Ryzen 9 5900X Open Ryzen 9 9900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Ryzen 9 9900X
1080p
low	772 FPS	772 FPS
medium	647 FPS	625 FPS
high	508 FPS	467 FPS
ultra	450 FPS	393 FPS
1440p
low	619 FPS	635 FPS
medium	536 FPS	534 FPS
high	443 FPS	412 FPS
ultra	364 FPS	321 FPS
4K
low	365 FPS	356 FPS
medium	318 FPS	303 FPS
high	289 FPS	266 FPS
ultra	255 FPS	224 FPS

Open Ryzen 9 5900X Open Ryzen 9 9900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Ryzen 9 9900X
1080p
low	832 FPS	899 FPS
medium	645 FPS	711 FPS
high	558 FPS	618 FPS
ultra	459 FPS	526 FPS
1440p
low	721 FPS	726 FPS
medium	565 FPS	577 FPS
high	488 FPS	492 FPS
ultra	407 FPS	418 FPS
4K
low	511 FPS	517 FPS
medium	421 FPS	432 FPS
high	374 FPS	388 FPS
ultra	308 FPS	322 FPS

Open Ryzen 9 5900X Open Ryzen 9 9900X

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Ryzen 9 9900X
1080p
low	974 FPS	1126 FPS
medium	974 FPS	989 FPS
high	934 FPS	862 FPS
ultra	826 FPS	766 FPS
1440p
low	959 FPS	891 FPS
medium	843 FPS	774 FPS
high	726 FPS	677 FPS
ultra	617 FPS	580 FPS
4K
low	694 FPS	644 FPS
medium	621 FPS	569 FPS
high	541 FPS	502 FPS
ultra	437 FPS	433 FPS

Open Ryzen 9 5900X Open Ryzen 9 9900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Ryzen 9 9900X

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.

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.

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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.

Feature	Ryzen 9 5900X	Ryzen 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)	1 MB (per core)+100%
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 22.2% 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 — 66.7% 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).

Feature	Ryzen 9 5900X	Ryzen 9 9900X
Socket	AM4	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-5600+25%
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.

Feature	Ryzen 9 5900X	Ryzen 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

The Ryzen 9 5900X launched at $549 MSRP, while the Ryzen 9 9900X debuted at $499. On MSRP ($549 vs $499), the Ryzen 9 9900X is $50 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 109.3 pts/$ for the Ryzen 9 9900X — making the Ryzen 9 9900X the 42.5% better value option.