Core i5-12400F vs Ryzen 5 PRO 8645HS

Core i5-12400F vs Ryzen 5 PRO 8645HS Performance Spectrum

Core i5-12400F

6 / 12

19,532

0.0%

23,227

+18.9%

Ryzen Threadripper PRO 5945WX

Ryzen 9 7945HX3D

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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.

Core i5-12400F vs Ryzen 5 PRO 8645HS FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i5-12400F vs Ryzen 5 PRO 8645HS: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-12400F

2022

Why buy it

✅100+% more PCIe lanes (20 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 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 23,227).
❌Launch MSRP is still $174 MSRP, while Ryzen 5 PRO 8645HS mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.

Ryzen 5 PRO 8645HS

2024

Why buy it

✅Better for gaming: +15.8% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 65W, a 20W reduction.

Trade-offs

❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Ryzen 5 PRO 8645HS better than Core i5-12400F?

Yes. Ryzen 5 PRO 8645HS is the better all-around CPU here. It gives you a 15.8% average FPS lead across 50 shared CPU game tests in our data, 18.9% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 5 PRO 8645HS is the better pick. According to our tests, it delivers 15.8% 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 5 PRO 8645HS is the stronger fit. You are getting 18.9% better PassMark, backed by 6 cores and 12 threads.

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

Ryzen 5 PRO 8645HS is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Ryzen 5 PRO 8645HS comes in at an unclear MSRP at unclear MSRP versus $174 MSRP, and it still gives you a 15.8% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 5 PRO 8645HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022) and more multi-core headroom with 6 cores / 12 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Ryzen 5 PRO 8645HS Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

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 Core i5-12400F and Ryzen 5 PRO 8645HS share an identical 6-core/12-thread configuration. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5 GHz on the Ryzen 5 PRO 8645HS — a 12.8% clock advantage for the Ryzen 5 PRO 8645HS (base: 2.5 GHz vs 4.3 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 5 PRO 8645HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Core i5-12400F scores 19,532 against the Ryzen 5 PRO 8645HS's 23,227 — a 17.3% lead for the Ryzen 5 PRO 8645HS. L3 cache: 18 MB (total) on the Core i5-12400F vs 16 MB (total) on the Ryzen 5 PRO 8645HS.

Feature	Core i5-12400F	Ryzen 5 PRO 8645HS
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.4 GHz	5 GHz+14%
Base Clock	2.5 GHz	4.3 GHz+72%
L3 Cache	18 MB (total)+13%	16 MB (total)
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	4 nm-43%
Architecture	Alder Lake-S (2022)	Hawk Point (2024−2025)
PassMark	19,532	23,227+19%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

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Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Ryzen 5 PRO 8645HS uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i5-12400F	Ryzen 5 PRO 8645HS
Socket	LGA1700	FP7
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR5-4800, DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-12400F) / not specified (Ryzen 5 PRO 8645HS). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.