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.

Core i5-10400F

2020

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Ryzen 5 PRO 8640U.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8640U across 7 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 22,373).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Launch MSRP is still $160 MSRP, while Ryzen 5 PRO 8640U mostly shows up through inconsistent older-market listings.
❌132.1% higher power demand at 65W vs 28W.

Ryzen 5 PRO 8640U

2024

Why buy it

✅Better for gaming: +44.2% higher average FPS across 7 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 28W instead of 65W, a 37W reduction.
✅Newer platform on FP7 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Ryzen 5 PRO 8640U

2024

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Ryzen 5 PRO 8640U.

Why buy it

✅Better for gaming: +44.2% higher average FPS across 7 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (16 MB vs 12 MB).
✅Draws 28W instead of 65W, a 37W reduction.
✅Newer platform on FP7 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8640U across 7 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 22,373).
❌Smaller total L3 cache (12 MB vs 16 MB).
❌Launch MSRP is still $160 MSRP, while Ryzen 5 PRO 8640U mostly shows up through inconsistent older-market listings.
❌132.1% higher power demand at 65W vs 28W.

Trade-offs

❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Ryzen 5 PRO 8640U better than Core i5-10400F?

Yes. Ryzen 5 PRO 8640U is the better overall CPU here. You are getting a 44.2% average FPS lead across 7 shared CPU game tests in our data, 71.7% 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 8640U is the better pick here. According to our tests, it delivers 44.2% more average FPS across 7 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 8640U is the better fit. You are getting 71.7% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).

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

Ryzen 5 PRO 8640U is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Ryzen 5 PRO 8640U is at an unclear MSRP at unclear MSRP versus $160 MSRP, and it gives you a 44.2% average FPS lead across 7 shared CPU game tests in our data. Core i5-10400F is also 100.0% better value on MSRP (81.4 vs 0.0 PassMark/$), 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 8640U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with FP7 and DDR5 instead of LGA1200, 33.3% larger total L3 cache (16 MB vs 12 MB), 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.

Core i5-10400F Benchmark Check

Ryzen 5 PRO 8640U Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Ryzen 5 PRO 8640U
1080p
low	192 FPS	262 FPS
medium	152 FPS	238 FPS
high	123 FPS	203 FPS
ultra	100 FPS	173 FPS
1440p
low	153 FPS	230 FPS
medium	119 FPS	189 FPS
high	97 FPS	156 FPS
ultra	79 FPS	136 FPS
4K
low	82 FPS	156 FPS
medium	70 FPS	130 FPS
high	55 FPS	101 FPS
ultra	43 FPS	88 FPS

Open Core i5-10400F Open Ryzen 5 PRO 8640U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Ryzen 5 PRO 8640U
1080p
low	326 FPS	374 FPS
medium	318 FPS	314 FPS
high	290 FPS	278 FPS
ultra	253 FPS	240 FPS
1440p
low	326 FPS	316 FPS
medium	292 FPS	276 FPS
high	267 FPS	251 FPS
ultra	234 FPS	212 FPS
4K
low	309 FPS	237 FPS
medium	258 FPS	211 FPS
high	235 FPS	197 FPS
ultra	199 FPS	164 FPS

Open Core i5-10400F Open Ryzen 5 PRO 8640U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Ryzen 5 PRO 8640U
1080p
low	326 FPS	559 FPS
medium	326 FPS	559 FPS
high	326 FPS	559 FPS
ultra	326 FPS	559 FPS
1440p
low	326 FPS	559 FPS
medium	326 FPS	559 FPS
high	326 FPS	511 FPS
ultra	326 FPS	437 FPS
4K
low	326 FPS	482 FPS
medium	326 FPS	415 FPS
high	289 FPS	355 FPS
ultra	229 FPS	293 FPS

Open Core i5-10400F Open Ryzen 5 PRO 8640U

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Ryzen 5 PRO 8640U
1080p
low	326 FPS	559 FPS
medium	326 FPS	559 FPS
high	326 FPS	559 FPS
ultra	326 FPS	559 FPS
1440p
low	326 FPS	559 FPS
medium	326 FPS	559 FPS
high	326 FPS	559 FPS
ultra	326 FPS	559 FPS
4K
low	326 FPS	559 FPS
medium	326 FPS	531 FPS
high	326 FPS	473 FPS
ultra	326 FPS	411 FPS

Open Core i5-10400F Open Ryzen 5 PRO 8640U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Ryzen 5 PRO 8640U

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

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.

⚡

Processing Power

Both the Core i5-10400F and Ryzen 5 PRO 8640U share an identical 6-core/12-thread configuration. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.9 GHz on the Ryzen 5 PRO 8640U — a 13% clock advantage for the Ryzen 5 PRO 8640U (base: 2.9 GHz vs 3.5 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Ryzen 5 PRO 8640U uses Hawk Point (2024−2025) (4 nm). In PassMark, the Core i5-10400F scores 13,029 against the Ryzen 5 PRO 8640U's 22,373 — a 52.8% lead for the Ryzen 5 PRO 8640U. L3 cache: 12 MB (total) on the Core i5-10400F vs 16 MB (total) on the Ryzen 5 PRO 8640U.

Feature	Core i5-10400F	Ryzen 5 PRO 8640U
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.3 GHz	4.9 GHz+14%
Base Clock	2.9 GHz	3.5 GHz+21%
L3 Cache	12 MB (total)	16 MB (total)+33%
L2 Cache	256K (per core)	1 MB (per core)+300%
Process	14 nm	4 nm-71%
Architecture	Comet Lake (2020−2025)	Hawk Point (2024−2025)
PassMark	13,029	22,373+72%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Ryzen 5 PRO 8640U uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i5-10400F	Ryzen 5 PRO 8640U
Socket	LGA1200	FP7
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-10400F) / not specified (Ryzen 5 PRO 8640U). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.