Ryzen 5 PRO 7645 vs Ryzen 9 PRO 7940HS

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 PRO 7645

2023

Why buy it

✅Better for gaming: +8.9% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).

Trade-offs

❌Launch MSRP is still $229 MSRP, while Ryzen 9 PRO 7940HS mostly shows up through inconsistent older-market listings.
❌712.5% higher power demand at 65W vs 8W.
❌No integrated graphics, while Ryzen 9 PRO 7940HS can still boot and troubleshoot without a discrete GPU.

Ryzen 9 PRO 7940HS

2023

Why buy it

✅Draws 8W instead of 65W, a 57W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 780M, while Ryzen 5 PRO 7645 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 7645 across 4 shared CPU benchmark tests.
❌Lower PassMark (27,318 vs 27,565).
❌Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 5 PRO 7645

2023

Ryzen 9 PRO 7940HS

2023

Why buy it

✅Better for gaming: +8.9% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).

Why buy it

✅Draws 8W instead of 65W, a 57W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 780M, while Ryzen 5 PRO 7645 needs a discrete GPU.

Trade-offs

❌Launch MSRP is still $229 MSRP, while Ryzen 9 PRO 7940HS mostly shows up through inconsistent older-market listings.
❌712.5% higher power demand at 65W vs 8W.
❌No integrated graphics, while Ryzen 9 PRO 7940HS can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 7645 across 4 shared CPU benchmark tests.
❌Lower PassMark (27,318 vs 27,565).
❌Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 5 PRO 7645 better than Ryzen 9 PRO 7940HS?

Yes. Ryzen 5 PRO 7645 is the better overall CPU here. You are getting a 8.9% average FPS lead across 4 shared CPU game tests in our data, 0.9% 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 7645 is the better pick here. According to our tests, it delivers 8.9% more average FPS across 4 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 7645 is the better fit. You are getting 0.9% better PassMark, backed by 6 cores and 12 threads. It also carries 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 5 PRO 7645 is the smarter buy today. Ryzen 5 PRO 7645 is at an unclear MSRP at $229 MSRP versus unclear MSRP, and it gives you a 8.9% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (120.4 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Ryzen 5 PRO 7645 is the more future-proof choice for 2026 and beyond. You are getting 100% larger total L3 cache (32 MB vs 16 MB) and more multi-core headroom with 6 cores / 12 threads instead of 8/16. 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 PRO 7645 Benchmark Check

Ryzen 9 PRO 7940HS Benchmark Check

Path of Exile 2

Preset	Ryzen 5 PRO 7645	Ryzen 9 PRO 7940HS
1080p
low	246 FPS	269 FPS
medium	228 FPS	243 FPS
high	197 FPS	204 FPS
ultra	171 FPS	176 FPS
1440p
low	217 FPS	236 FPS
medium	182 FPS	193 FPS
high	151 FPS	157 FPS
ultra	133 FPS	139 FPS
4K
low	151 FPS	164 FPS
medium	127 FPS	136 FPS
high	99 FPS	105 FPS
ultra	85 FPS	92 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 9 PRO 7940HS

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 PRO 7645	Ryzen 9 PRO 7940HS
1080p
low	525 FPS	511 FPS
medium	441 FPS	421 FPS
high	370 FPS	363 FPS
ultra	332 FPS	323 FPS
1440p
low	451 FPS	447 FPS
medium	392 FPS	388 FPS
high	333 FPS	334 FPS
ultra	288 FPS	285 FPS
4K
low	283 FPS	295 FPS
medium	251 FPS	267 FPS
high	234 FPS	253 FPS
ultra	203 FPS	217 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 9 PRO 7940HS

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 PRO 7645	Ryzen 9 PRO 7940HS
1080p
low	689 FPS	683 FPS
medium	689 FPS	683 FPS
high	689 FPS	647 FPS
ultra	689 FPS	546 FPS
1440p
low	689 FPS	683 FPS
medium	689 FPS	637 FPS
high	689 FPS	541 FPS
ultra	621 FPS	464 FPS
4K
low	539 FPS	541 FPS
medium	471 FPS	473 FPS
high	411 FPS	419 FPS
ultra	341 FPS	355 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 9 PRO 7940HS

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 PRO 7645	Ryzen 9 PRO 7940HS
1080p
low	689 FPS	683 FPS
medium	689 FPS	683 FPS
high	689 FPS	683 FPS
ultra	689 FPS	683 FPS
1440p
low	689 FPS	683 FPS
medium	689 FPS	683 FPS
high	689 FPS	660 FPS
ultra	645 FPS	573 FPS
4K
low	675 FPS	572 FPS
medium	594 FPS	511 FPS
high	526 FPS	457 FPS
ultra	437 FPS	394 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 9 PRO 7940HS

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 PRO 7645 and Ryzen 9 PRO 7940HS

Ryzen 5 PRO 7645

The Ryzen 5 PRO 7645 is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 27,565 points. Launch price was $299.

Ryzen 9 PRO 7940HS

The Ryzen 9 PRO 7940HS is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 8 MB + 16 MB. Passmark benchmark score: 27,318 points. Launch price was $299.

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Processing Power

The Ryzen 5 PRO 7645 packs 6 cores / 12 threads, while the Ryzen 9 PRO 7940HS offers 8 cores / 16 threads — the Ryzen 9 PRO 7940HS has 2 more cores. Boost clocks reach 5.1 GHz on the Ryzen 5 PRO 7645 versus 5.2 GHz on the Ryzen 9 PRO 7940HS — a 1.9% clock advantage for the Ryzen 9 PRO 7940HS (base: 3.8 GHz vs 4 GHz). The Ryzen 5 PRO 7645 uses the Raphael (2023−2025) architecture (5 nm), while the Ryzen 9 PRO 7940HS uses Phoenix-HS (Zen 4) (2023) (4 nm). In PassMark, the Ryzen 5 PRO 7645 scores 27,565 against the Ryzen 9 PRO 7940HS's 27,318 — a 0.9% lead for the Ryzen 5 PRO 7645. L3 cache: 32 MB (total) on the Ryzen 5 PRO 7645 vs 16 MB on the Ryzen 9 PRO 7940HS.

Feature	Ryzen 5 PRO 7645	Ryzen 9 PRO 7940HS
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	5.1 GHz	5.2 GHz+2%
Base Clock	3.8 GHz	4 GHz+5%
L3 Cache	32 MB (total)+100%	16 MB
L2 Cache	1 MB (per core)	8 MB+700%
Process	5 nm	4 nm-20%
Architecture	Raphael (2023−2025)	Phoenix-HS (Zen 4) (2023)
PassMark	27,565	27,318
Cinebench R23 Multi	—	16,000
Geekbench 6 Single	—	2,605
Geekbench 6 Multi	—	10,348

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Memory & Platform

The Ryzen 5 PRO 7645 uses the AM5 socket (PCIe 4.0), while the Ryzen 9 PRO 7940HS uses FP7/FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Ryzen 5 PRO 7645	Ryzen 9 PRO 7940HS
Socket	AM5	FP7/FP8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	—	DDR5-5600
Max RAM Capacity	—	64 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Ryzen 5 PRO 7645) / Yes (Ryzen 9 PRO 7940HS). The Ryzen 9 PRO 7940HS includes integrated graphics (Radeon 780M), while the Ryzen 5 PRO 7645 requires a dedicated GPU.