Ryzen 5 5600X vs Ryzen 5 PRO 8645HS

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 5600X vs Ryzen 5 PRO 8645HS 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 5600X vs Ryzen 5 PRO 8645HS: 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 5600X

2020

Why buy it

✅+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

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8645HS across 50 shared CPU benchmark tests.
❌Lower PassMark (21,845 vs 23,227).
❌Launch MSRP is still $299 MSRP, while Ryzen 5 PRO 8645HS mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 PRO 8645HS moves to FP7 and DDR5.

Ryzen 5 PRO 8645HS

2024

Why buy it

✅Better for gaming: +15.2% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 65W, a 20W reduction.
✅Newer platform on FP7 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 5 PRO 8645HS better than Ryzen 5 5600X?

Yes. Ryzen 5 PRO 8645HS is the better all-around CPU here. It gives you a 15.2% average FPS lead across 50 shared CPU game tests in our data, 6.3% 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 PRO 8645HS is the better pick. According to our tests, it delivers 15.2% 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 5 PRO 8645HS is the stronger fit. You are getting 6.3% better PassMark, backed by 6 cores and 12 threads.

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

Ryzen 5 PRO 8645HS is still the faster CPU overall, but Ryzen 5 5600X is easier to justify if budget matters more than peak performance. Ryzen 5 PRO 8645HS comes in at an unclear MSRP at unclear MSRP versus $299 MSRP, and it still gives you a 15.2% average FPS lead across 50 shared CPU game tests in our data. Ryzen 5 5600X is also 100.0% better value on MSRP (73.1 vs 0.0 PassMark/$), 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 PRO 8645HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with FP7 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 5600X vs Ryzen 5 PRO 8645HS Technical Specifications

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

Ryzen 5 5600X

The Ryzen 5 5600X 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 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 21,845 points. Launch price was $299.

Ryzen 5 PRO 8645HS

The Ryzen 5 PRO 8645HS 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 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 23,227 points. Launch price was $299.

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Processing Power

Both the Ryzen 5 5600X and Ryzen 5 PRO 8645HS share an identical 6-core/12-thread configuration. Boost clocks reach 4.6 GHz on the Ryzen 5 5600X versus 5 GHz on the Ryzen 5 PRO 8645HS — a 8.3% clock advantage for the Ryzen 5 PRO 8645HS (base: 3.7 GHz vs 4.3 GHz). The Ryzen 5 5600X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 5 PRO 8645HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Ryzen 5 5600X scores 21,845 against the Ryzen 5 PRO 8645HS's 23,227 — a 6.1% lead for the Ryzen 5 PRO 8645HS. L3 cache: 32 MB on the Ryzen 5 5600X vs 16 MB (total) on the Ryzen 5 PRO 8645HS.

Feature	Ryzen 5 5600X	Ryzen 5 PRO 8645HS
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.6 GHz	5 GHz+9%
Base Clock	3.7 GHz	4.3 GHz+16%
L3 Cache	32 MB+100%	16 MB (total)
L2 Cache	512K (per core)+51100%	1 MB (per core)
Process	7 nm, 12 nm	4 nm-43%
Architecture	Vermeer (Zen 3) (2020−2022)	Hawk Point (2024−2025)
PassMark	21,845	23,227+6%

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Memory & Platform

The Ryzen 5 5600X uses the AM4 socket (PCIe 4.0), while the Ryzen 5 PRO 8645HS uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.