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 5 3600

2019

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.
✅Includes a boxed cooler (Yes), unlike Ryzen 5 PRO 8645HS.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8645HS across 46 shared CPU benchmark tests.
❌Lower PassMark (17,685 vs 23,227).
❌Launch MSRP is still $199 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: +15.8% higher average FPS across 46 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).
❌No boxed cooler included, unlike Ryzen 5 3600.

Ryzen 5 3600

2019

Ryzen 5 PRO 8645HS

2024

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.
✅Includes a boxed cooler (Yes), unlike Ryzen 5 PRO 8645HS.

Why buy it

✅Better for gaming: +15.8% higher average FPS across 46 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

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8645HS across 46 shared CPU benchmark tests.
❌Lower PassMark (17,685 vs 23,227).
❌Launch MSRP is still $199 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.

Trade-offs

❌Smaller total L3 cache (16 MB vs 32 MB).
❌No boxed cooler included, unlike Ryzen 5 3600.

Quick Answers

So, is Ryzen 5 PRO 8645HS better than Ryzen 5 3600?

Yes. Ryzen 5 PRO 8645HS is the better overall CPU here. You are getting a 15.8% average FPS lead across 46 shared CPU game tests in our data, 31.3% better 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 5 PRO 8645HS is the better pick here. According to our tests, it delivers 15.8% more average FPS across 46 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 better fit. You are getting 31.3% 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 3600 makes more sense if price matters more than absolute performance. Ryzen 5 PRO 8645HS is at an unclear MSRP at unclear MSRP versus $199 MSRP, and it gives you a 15.8% average FPS lead across 46 shared CPU game tests in our data. Ryzen 5 3600 is also 100.0% better value on MSRP (88.9 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 5 PRO 8645HS is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2019), 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 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 5 3600 Benchmark Check

Ryzen 5 PRO 8645HS Benchmark Check

Path of Exile 2

Preset	Ryzen 5 3600	Ryzen 5 PRO 8645HS
1080p
low	200 FPS	265 FPS
medium	161 FPS	239 FPS
high	135 FPS	204 FPS
ultra	106 FPS	174 FPS
1440p
low	154 FPS	232 FPS
medium	119 FPS	190 FPS
high	96 FPS	157 FPS
ultra	75 FPS	137 FPS
4K
low	70 FPS	158 FPS
medium	58 FPS	130 FPS
high	46 FPS	102 FPS
ultra	36 FPS	88 FPS

Open Ryzen 5 3600 Open Ryzen 5 PRO 8645HS

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 3600	Ryzen 5 PRO 8645HS
1080p
low	442 FPS	426 FPS
medium	404 FPS	358 FPS
high	332 FPS	314 FPS
ultra	295 FPS	275 FPS
1440p
low	420 FPS	371 FPS
medium	359 FPS	325 FPS
high	303 FPS	288 FPS
ultra	263 FPS	244 FPS
4K
low	297 FPS	268 FPS
medium	259 FPS	240 FPS
high	230 FPS	224 FPS
ultra	201 FPS	187 FPS

Open Ryzen 5 3600 Open Ryzen 5 PRO 8645HS

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 3600	Ryzen 5 PRO 8645HS
1080p
low	442 FPS	581 FPS
medium	442 FPS	581 FPS
high	442 FPS	581 FPS
ultra	442 FPS	581 FPS
1440p
low	442 FPS	581 FPS
medium	442 FPS	581 FPS
high	442 FPS	522 FPS
ultra	432 FPS	446 FPS
4K
low	442 FPS	492 FPS
medium	361 FPS	431 FPS
high	305 FPS	369 FPS
ultra	242 FPS	303 FPS

Open Ryzen 5 3600 Open Ryzen 5 PRO 8645HS

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 3600	Ryzen 5 PRO 8645HS
1080p
low	442 FPS	581 FPS
medium	442 FPS	581 FPS
high	442 FPS	581 FPS
ultra	442 FPS	581 FPS
1440p
low	442 FPS	581 FPS
medium	442 FPS	581 FPS
high	442 FPS	581 FPS
ultra	442 FPS	581 FPS
4K
low	442 FPS	581 FPS
medium	442 FPS	548 FPS
high	413 FPS	490 FPS
ultra	357 FPS	426 FPS

Open Ryzen 5 3600 Open Ryzen 5 PRO 8645HS

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 3600 and Ryzen 5 PRO 8645HS

Ryzen 5 3600

The Ryzen 5 3600 is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 6 cores and 12 threads. Base frequency is 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 17,685 points. Launch price was $199.

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 3600 and Ryzen 5 PRO 8645HS share an identical 6-core/12-thread configuration. Boost clocks reach 4.2 GHz on the Ryzen 5 3600 versus 5 GHz on the Ryzen 5 PRO 8645HS — a 17.4% clock advantage for the Ryzen 5 PRO 8645HS (base: 3.6 GHz vs 4.3 GHz). The Ryzen 5 3600 uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 5 PRO 8645HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Ryzen 5 3600 scores 17,685 against the Ryzen 5 PRO 8645HS's 23,227 — a 27.1% lead for the Ryzen 5 PRO 8645HS. L3 cache: 32 MB (total) on the Ryzen 5 3600 vs 16 MB (total) on the Ryzen 5 PRO 8645HS.

Feature	Ryzen 5 3600	Ryzen 5 PRO 8645HS
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.2 GHz	5 GHz+19%
Base Clock	3.6 GHz	4.3 GHz+19%
L3 Cache	32 MB (total)+100%	16 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	4 nm-43%
Architecture	Matisse (2019−2020)	Hawk Point (2024−2025)
PassMark	17,685	23,227+31%
Cinebench R23 Multi	9,500	—
Geekbench 6 Single	1,295	—
Geekbench 6 Multi	1,898	—

🧠

Memory & Platform

The Ryzen 5 3600 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.

Feature	Ryzen 5 3600	Ryzen 5 PRO 8645HS
Socket	AM4	FP7
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	—

🔧

Advanced Features

Virtualization: Yes (Ryzen 5 3600) / not specified (Ryzen 5 PRO 8645HS). Primary use case: Ryzen 5 3600 targets Gaming/Budget Workstation. Direct competitor: Ryzen 5 3600 rivals Core i5-10400.