Ryzen 5 PRO 8640U vs Ryzen 7 5800X

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 PRO 8640U vs Ryzen 7 5800X 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 PRO 8640U vs Ryzen 7 5800X: 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 PRO 8640U

2024

Why buy it

✅Draws 28W instead of 105W, a 77W reduction.
✅Newer platform on FP7 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
❌Lower PassMark (22,373 vs 27,712).
❌Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +4.2% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 5 PRO 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 PRO 8640U moves to FP7 and DDR5.

Quick Answers

So, is Ryzen 7 5800X better than Ryzen 5 PRO 8640U?

Yes. Ryzen 7 5800X is the better all-around CPU here. It gives you a 4.2% average FPS lead across 50 shared CPU game tests in our data and 23.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 5800X is the better pick. According to our tests, it delivers 4.2% 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 7 5800X is the stronger fit. You are getting 23.9% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).

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

Ryzen 7 5800X is the better buy right now. Ryzen 7 5800X comes in at an unclear MSRP at $449 MSRP versus unclear MSRP, and it still gives you a 4.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 5 PRO 8640U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020) and a healthier platform with FP7 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 5 PRO 8640U vs Ryzen 7 5800X Technical Specifications

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

Ryzen 5 PRO 8640U

The Ryzen 5 PRO 8640U is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) 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: FP7. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 22,373 points. Launch price was $299.

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 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. Passmark benchmark score: 27,712 points. Launch price was $449.

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Processing Power

The Ryzen 5 PRO 8640U packs 6 cores / 12 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 2 more cores. Boost clocks reach 4.9 GHz on the Ryzen 5 PRO 8640U versus 4.7 GHz on the Ryzen 7 5800X — a 4.2% clock advantage for the Ryzen 5 PRO 8640U (base: 3.5 GHz vs 3.8 GHz). The Ryzen 5 PRO 8640U uses the Hawk Point (2024−2025) architecture (4 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 5 PRO 8640U scores 22,373 against the Ryzen 7 5800X's 27,712 — a 21.3% lead for the Ryzen 7 5800X. L3 cache: 16 MB (total) on the Ryzen 5 PRO 8640U vs 32 MB on the Ryzen 7 5800X.

Feature	Ryzen 5 PRO 8640U	Ryzen 7 5800X
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.9 GHz+4%	4.7 GHz
Base Clock	3.5 GHz	3.8 GHz+9%
L3 Cache	16 MB (total)	32 MB+100%
L2 Cache	1 MB (per core)	512K (per core)+51100%
Process	4 nm-43%	7 nm, 12 nm
Architecture	Hawk Point (2024−2025)	Vermeer (Zen 3) (2020−2022)
PassMark	22,373	27,712+24%

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Memory & Platform

The Ryzen 5 PRO 8640U uses the FP7 socket (PCIe 4.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.