Ryzen 5 5500X3D vs Ryzen 5 8640U

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 5 5500X3D vs Ryzen 5 8640U 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 5 5500X3D vs Ryzen 5 8640U: Pros, Cons & Final Verdict

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

Ryzen 5 5500X3D

2025

Why buy it

✅+500% larger total L3 cache (96 MB vs 16 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640U across 50 shared CPU benchmark tests.
❌Lower PassMark (20,231 vs 20,274).
❌Launch MSRP is still $185 MSRP, while Ryzen 5 8640U mostly shows up through inconsistent older-market listings.
❌275% higher power demand at 105W vs 28W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 8640U moves to FP8 and DDR5.

Ryzen 5 8640U

2023

Why buy it

✅Better for gaming: +30.8% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 28W instead of 105W, a 77W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 760M, while Ryzen 5 5500X3D needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (16 MB vs 96 MB).

Quick Answers

So, is Ryzen 5 8640U better than Ryzen 5 5500X3D?

Yes. Ryzen 5 8640U is the better all-around CPU here. It gives you a 30.8% average FPS lead across 50 shared CPU game tests in our data, 0.2% 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 5 8640U is the better pick. According to our tests, it delivers 30.8% 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 5 8640U is the stronger fit. You are getting 0.2% better PassMark, backed by 6 cores and 12 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 5 8640U is still the faster CPU overall, but Ryzen 5 5500X3D is easier to justify if budget matters more than peak performance. Ryzen 5 8640U comes in at an unclear MSRP at unclear MSRP versus $185 MSRP, and it still gives you a 30.8% average FPS lead across 50 shared CPU game tests in our data. Ryzen 5 5500X3D is also 100.0% better value on MSRP (109.4 vs 0.0 PassMark/$), 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 5 8640U makes more sense long term for 2026 and beyond. You are getting a healthier platform with FP8 and DDR5 instead of AM4 and more multi-core headroom with 6 cores / 12 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 5 5500X3D vs Ryzen 5 8640U Technical Specifications

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

Ryzen 5 5500X3D

The Ryzen 5 5500X3D is manufactured by AMD. It was released in 5 June 2025 (less than a year ago). It is based on the Vermeer (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3 GHz, with boost up to 4 GHz. L3 cache: 96 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 20,231 points. Launch price was $299.

Ryzen 5 8640U

The Ryzen 5 8640U is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-U (Zen 4) (2023−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 20,274 points. Launch price was $299.

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Processing Power

Both the Ryzen 5 5500X3D and Ryzen 5 8640U share an identical 6-core/12-thread configuration. Boost clocks reach 4 GHz on the Ryzen 5 5500X3D versus 4.9 GHz on the Ryzen 5 8640U — a 20.2% clock advantage for the Ryzen 5 8640U (base: 3 GHz vs 3.5 GHz). The Ryzen 5 5500X3D uses the Vermeer (2020−2025) architecture (7 nm), while the Ryzen 5 8640U uses Hawk Point-U (Zen 4) (2023−2025) (4 nm). In PassMark, the Ryzen 5 5500X3D scores 20,231 against the Ryzen 5 8640U's 20,274 — a 0.2% lead for the Ryzen 5 8640U. L3 cache: 96 MB (total) on the Ryzen 5 5500X3D vs 16 MB (total) on the Ryzen 5 8640U.

Feature	Ryzen 5 5500X3D	Ryzen 5 8640U
Cores / Threads	6 / 12	6 / 12
Boost Clock	4 GHz	4.9 GHz+23%
Base Clock	3 GHz	3.5 GHz+17%
L3 Cache	96 MB (total)+500%	16 MB (total)
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	7 nm	4 nm-43%
Architecture	Vermeer (2020−2025)	Hawk Point-U (Zen 4) (2023−2025)
PassMark	20,231	20,274
Cinebench R23 Multi	—	10,675
Geekbench 6 Single	—	2,519
Geekbench 6 Multi	—	10,308

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Memory & Platform

The Ryzen 5 5500X3D uses the AM4 socket (PCIe 3.0), while the Ryzen 5 8640U uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Ryzen 5 5500X3D	Ryzen 5 8640U
Socket	AM4	FP8
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	—	LPDDR5x-7500
Max RAM Capacity	—	256 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	20

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Advanced Features

Virtualization: not specified (Ryzen 5 5500X3D) / AMD-V (SVM) (Ryzen 5 8640U). The Ryzen 5 8640U includes integrated graphics (Radeon 760M), while the Ryzen 5 5500X3D requires a dedicated GPU. Primary use case: Ryzen 5 8640U targets Productivity. Direct competitor: Ryzen 5 8640U rivals Core i5-1335U.