Ryzen 3 3300X vs Ryzen 9 5900H

AMD

Ryzen 3 3300X

4 Cores8 Thrd65 WWMax: 4.3 GHz2020
Ryzen family
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VS
AMD

Ryzen 9 5900H

8 Cores16 Thrd45 WWMax: 4.6 GHz2021
Ryzen family
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Ryzen 3 3300X vs Ryzen 9 5900H Performance Spectrum

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 3 3300X vs Ryzen 9 5900H 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.

Ryzen 3 3300X vs Ryzen 9 5900H: Pros, Cons & Final Verdict

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

Ryzen 3 3300X

2020

Why buy it

  • 100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 5900H across 50 shared CPU benchmark tests.
  • Lower PassMark (13,425 vs 13,510).
  • Launch MSRP is still $120 MSRP, while Ryzen 9 5900H mostly shows up through inconsistent older-market listings.
  • 44.4% higher power demand at 65W vs 45W.

Ryzen 9 5900H

2021

Why buy it

  • Better for gaming: +7.4% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 45W instead of 65W, a 20W reduction.

Trade-offs

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

Quick Answers

So, is Ryzen 9 5900H better than Ryzen 3 3300X?
Yes. Ryzen 9 5900H is the better all-around CPU here. It gives you a 7.4% average FPS lead across 50 shared CPU game tests in our data, 0.6% better 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 5900H is the better pick. According to our tests, it delivers 7.4% 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 5900H is the stronger fit. You are getting 0.6% better PassMark, backed by 8 cores and 16 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 5900H is still the faster CPU overall, but Ryzen 3 3300X is easier to justify if budget matters more than peak performance. Ryzen 9 5900H comes in at an unclear MSRP at unclear MSRP versus $120 MSRP, and it still gives you a 7.4% average FPS lead across 50 shared CPU game tests in our data. Ryzen 3 3300X is also 100.0% better value on MSRP (111.9 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 5900H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020) and more multi-core headroom with 8 cores / 16 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen 3 3300X vs Ryzen 9 5900H Technical Specifications

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

AMD

Ryzen 3 3300X

The Ryzen 3 3300X is manufactured by AMD. It was released in 24 April 2020 (5 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.3 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 13,425 points. Launch price was $120.

AMD

Ryzen 9 5900H

The Ryzen 9 5900H is manufactured by AMD. It was released in 7 January 2021 (4 years ago). It is based on the Cezanne U (Zen 3) (2021−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 16 MB. L2 cache: 4 MB. Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 13,510 points. Launch price was $149.

Processing Power

The Ryzen 3 3300X packs 4 cores / 8 threads, while the Ryzen 9 5900H offers 8 cores / 16 threads — the Ryzen 9 5900H has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen 3 3300X versus 4.6 GHz on the Ryzen 9 5900H — a 6.7% clock advantage for the Ryzen 9 5900H (base: 3.8 GHz vs 3.3 GHz). The Ryzen 3 3300X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm), while the Ryzen 9 5900H uses Cezanne U (Zen 3) (2021−2022) (7 nm). In PassMark, the Ryzen 3 3300X scores 13,425 against the Ryzen 9 5900H's 13,510 — a 0.6% lead for the Ryzen 9 5900H. L3 cache: 16 MB (total) on the Ryzen 3 3300X vs 16 MB on the Ryzen 9 5900H.

FeatureRyzen 3 3300XRyzen 9 5900H
Cores / Threads
4 / 8
8 / 16+100%
Boost Clock
4.3 GHz
4.6 GHz+7%
Base Clock
3.8 GHz+15%
3.3 GHz
L3 Cache
16 MB (total)
16 MB
L2 Cache
512K (per core)+12700%
4 MB
Process
7 nm
7 nm
Architecture
Matisse (Zen 2) (2019−2020)
Cezanne U (Zen 3) (2021−2022)
PassMark
13,425
13,510
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Memory & Platform

The Ryzen 3 3300X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 5900H uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureRyzen 3 3300XRyzen 9 5900H
Socket
AM4
FP6
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
24