Ryzen 5 PRO 8640U vs Ryzen 7 3700X

AMD

Ryzen 5 PRO 8640U

6 Cores12 Thrd28 WWMax: 4.9 GHz2024

Popular choices:

VS
AMD

Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019

Popular choices:

Performance Spectrum - CPU

About PassMark

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 8640U

2024

Why buy it

  • Draws 28W instead of 65W, a 37W reduction.
  • Newer platform on FP7 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.
  • Lower PassMark (22,373 vs 22,430).
  • Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 7 3700X

2019

Why buy it

  • Better for gaming: +8.9% 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 $329 MSRP, while Ryzen 5 PRO 8640U mostly shows up through inconsistent older-market listings.
  • 132.1% higher power demand at 65W 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 3700X better than Ryzen 5 PRO 8640U?
Yes. Ryzen 7 3700X is the better overall CPU here. You are getting a 8.9% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 7 3700X is the better pick here. According to our tests, it delivers 8.9% 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 3700X is the better fit. You are getting 0.3% better PassMark, backed by 8 cores and 16 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 7 3700X is the smarter buy today. Ryzen 7 3700X is at an unclear MSRP at $329 MSRP versus unclear MSRP, and it gives you a 8.9% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (68.2 vs 0.0 PassMark/$), 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 8640U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2019) and a healthier platform with FP7 and DDR5 instead of AM4. 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.

Path of Exile 2

Path of Exile 2

PresetRyzen 5 PRO 8640URyzen 7 3700X
1080p
low262 FPS200 FPS
medium238 FPS163 FPS
high203 FPS137 FPS
ultra173 FPS110 FPS
1440p
low230 FPS156 FPS
medium189 FPS121 FPS
high156 FPS100 FPS
ultra136 FPS80 FPS
4K
low156 FPS84 FPS
medium130 FPS71 FPS
high101 FPS56 FPS
ultra88 FPS44 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 5 PRO 8640URyzen 7 3700X
1080p
low374 FPS561 FPS
medium314 FPS525 FPS
high278 FPS428 FPS
ultra240 FPS383 FPS
1440p
low316 FPS545 FPS
medium276 FPS471 FPS
high251 FPS394 FPS
ultra212 FPS337 FPS
4K
low237 FPS350 FPS
medium211 FPS304 FPS
high197 FPS274 FPS
ultra164 FPS242 FPS
League of Legends

League of Legends

PresetRyzen 5 PRO 8640URyzen 7 3700X
1080p
low559 FPS561 FPS
medium559 FPS561 FPS
high559 FPS561 FPS
ultra559 FPS561 FPS
1440p
low559 FPS561 FPS
medium559 FPS561 FPS
high511 FPS538 FPS
ultra437 FPS470 FPS
4K
low482 FPS499 FPS
medium415 FPS394 FPS
high355 FPS343 FPS
ultra293 FPS275 FPS
Valorant

Valorant

PresetRyzen 5 PRO 8640URyzen 7 3700X
1080p
low559 FPS561 FPS
medium559 FPS561 FPS
high559 FPS561 FPS
ultra559 FPS561 FPS
1440p
low559 FPS561 FPS
medium559 FPS561 FPS
high559 FPS561 FPS
ultra559 FPS555 FPS
4K
low559 FPS561 FPS
medium531 FPS501 FPS
high473 FPS447 FPS
ultra411 FPS396 FPS

Technical Specifications

Side-by-side comparison of Ryzen 5 PRO 8640U and Ryzen 7 3700X

AMD

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.

AMD

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.

Processing Power

The Ryzen 5 PRO 8640U 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 4.9 GHz on the Ryzen 5 PRO 8640U versus 4.4 GHz on the Ryzen 7 3700X — a 10.8% clock advantage for the Ryzen 5 PRO 8640U (base: 3.5 GHz vs 3.6 GHz). The Ryzen 5 PRO 8640U uses the Hawk Point (2024−2025) architecture (4 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Ryzen 5 PRO 8640U scores 22,373 against the Ryzen 7 3700X's 22,430 — a 0.3% lead for the Ryzen 7 3700X. L3 cache: 16 MB (total) on the Ryzen 5 PRO 8640U vs 32 MB on the Ryzen 7 3700X.

FeatureRyzen 5 PRO 8640URyzen 7 3700X
Cores / Threads
6 / 12
8 / 16+33%
Boost Clock
4.9 GHz+11%
4.4 GHz
Base Clock
3.5 GHz
3.6 GHz+3%
L3 Cache
16 MB (total)
32 MB+100%
L2 Cache
1 MB (per core)+100%
512K (per core)
Process
4 nm-43%
7 nm, 12 nm
Architecture
Hawk Point (2024−2025)
Matisse (Zen 2) (2019−2020)
PassMark
22,373
22,430
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Memory & Platform

The Ryzen 5 PRO 8640U uses the FP7 socket (PCIe 4.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureRyzen 5 PRO 8640URyzen 7 3700X
Socket
FP7
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