Ryzen 5 PRO 7645 vs Ryzen 7 3700X

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

✅+22.9% higher PassMark.
✅Costs $100 less on MSRP ($229 MSRP vs $329 MSRP).
✅Delivers 76.6% more PassMark for each dollar spent, at 120.4 vs 68.2 PassMark/$ ($229 MSRP vs $329 MSRP).
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +5.4% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (22,430 vs 27,565).
❌Lower PassMark per dollar, at 68.2 vs 120.4 PassMark/$ ($329 MSRP vs $229 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen 5 PRO 7645 moves to AM5 and DDR5.

Ryzen 5 PRO 7645

2023

Ryzen 7 3700X

2019

Why buy it

✅+22.9% higher PassMark.
✅Costs $100 less on MSRP ($229 MSRP vs $329 MSRP).
✅Delivers 76.6% more PassMark for each dollar spent, at 120.4 vs 68.2 PassMark/$ ($229 MSRP vs $329 MSRP).
✅Newer platform on AM5 with DDR5 support instead of AM4 and DDR4.

Why buy it

✅Better for gaming: +5.4% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (22,430 vs 27,565).
❌Lower PassMark per dollar, at 68.2 vs 120.4 PassMark/$ ($329 MSRP vs $229 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen 5 PRO 7645 moves to AM5 and DDR5.

Quick Answers

So, is Ryzen 5 PRO 7645 better than Ryzen 7 3700X?

It depends on what matters more to you. For gaming, Ryzen 7 3700X is ahead with a 5.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 5 PRO 7645 pulls ahead with 22.9% better PassMark.

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 22.9% better PassMark, backed by 6 cores and 12 threads.

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 $100 cheaper on MSRP at $229 MSRP versus $329 MSRP, and it gives you 22.9% better PassMark. The trade-off is that Ryzen 7 3700X is still the better pure gaming CPU with a 5.4% average FPS lead across 50 shared CPU game tests in our data. It is also 76.6% better value on MSRP (120.4 vs 68.2 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 7 3700X can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.

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 a newer CPU generation (2023 vs 2019), a healthier platform with AM5 and DDR5 instead of AM4, 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 7 3700X Benchmark Check

Path of Exile 2

Preset	Ryzen 5 PRO 7645	Ryzen 7 3700X
1080p
low	246 FPS	200 FPS
medium	228 FPS	163 FPS
high	197 FPS	137 FPS
ultra	171 FPS	110 FPS
1440p
low	217 FPS	156 FPS
medium	182 FPS	121 FPS
high	151 FPS	100 FPS
ultra	133 FPS	80 FPS
4K
low	151 FPS	84 FPS
medium	127 FPS	71 FPS
high	99 FPS	56 FPS
ultra	85 FPS	44 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 7 3700X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 PRO 7645	Ryzen 7 3700X
1080p
low	525 FPS	561 FPS
medium	441 FPS	525 FPS
high	370 FPS	428 FPS
ultra	332 FPS	383 FPS
1440p
low	451 FPS	545 FPS
medium	392 FPS	471 FPS
high	333 FPS	394 FPS
ultra	288 FPS	337 FPS
4K
low	283 FPS	350 FPS
medium	251 FPS	304 FPS
high	234 FPS	274 FPS
ultra	203 FPS	242 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 7 3700X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 PRO 7645	Ryzen 7 3700X
1080p
low	689 FPS	561 FPS
medium	689 FPS	561 FPS
high	689 FPS	561 FPS
ultra	689 FPS	561 FPS
1440p
low	689 FPS	561 FPS
medium	689 FPS	561 FPS
high	689 FPS	538 FPS
ultra	621 FPS	470 FPS
4K
low	539 FPS	499 FPS
medium	471 FPS	394 FPS
high	411 FPS	343 FPS
ultra	341 FPS	275 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 7 3700X

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 PRO 7645	Ryzen 7 3700X
1080p
low	689 FPS	561 FPS
medium	689 FPS	561 FPS
high	689 FPS	561 FPS
ultra	689 FPS	561 FPS
1440p
low	689 FPS	561 FPS
medium	689 FPS	561 FPS
high	689 FPS	561 FPS
ultra	645 FPS	555 FPS
4K
low	675 FPS	561 FPS
medium	594 FPS	501 FPS
high	526 FPS	447 FPS
ultra	437 FPS	396 FPS

Open Ryzen 5 PRO 7645 Open Ryzen 7 3700X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 PRO 7645 and Ryzen 7 3700X

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 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 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 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

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Processing Power

The Ryzen 5 PRO 7645 packs 6 cores / 12 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the Ryzen 7 3700X has 2 more cores. Boost clocks reach 5.1 GHz on the Ryzen 5 PRO 7645 versus 4.4 GHz on the Ryzen 7 3700X — a 14.7% clock advantage for the Ryzen 5 PRO 7645 (base: 3.8 GHz vs 3.6 GHz). The Ryzen 5 PRO 7645 uses the Raphael (2023−2025) architecture (5 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Ryzen 5 PRO 7645 scores 27,565 against the Ryzen 7 3700X's 22,430 — a 20.5% lead for the Ryzen 5 PRO 7645. L3 cache: 32 MB (total) on the Ryzen 5 PRO 7645 vs 32 MB on the Ryzen 7 3700X.

Feature	Ryzen 5 PRO 7645	Ryzen 7 3700X
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	5.1 GHz+16%	4.4 GHz
Base Clock	3.8 GHz+6%	3.6 GHz
L3 Cache	32 MB (total)	32 MB
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	5 nm-29%	7 nm, 12 nm
Architecture	Raphael (2023−2025)	Matisse (Zen 2) (2019−2020)
PassMark	27,565+23%	22,430

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Memory & Platform

The Ryzen 5 PRO 7645 uses the AM5 socket (PCIe 4.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Ryzen 5 PRO 7645	Ryzen 7 3700X
Socket	AM5	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

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Value Analysis

The Ryzen 5 PRO 7645 launched at $229 MSRP, while the Ryzen 7 3700X debuted at $329. On MSRP ($229 vs $329), the Ryzen 5 PRO 7645 is $100 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 5 PRO 7645 delivers 120.4 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 5 PRO 7645 the 55.4% better value option.