Core i5-12400F vs Ryzen 9 PRO 5945

CPU

GPU

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Core family

·······

Buy on Amazon

Ryzen 9 PRO 5945

12 Cores24 Thrd65 WWMax: 4.7 GHz2022

Similar parts

·······

Buy on Amazon

Core i5-12400F vs Ryzen 9 PRO 5945 Performance Spectrum

Core i5-12400F

6 / 12

19,532

0.0%

34,549

+76.9%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper 7970X

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 9 PRO 5945 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 9 PRO 5945: 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

✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Includes a boxed cooler (Yes), unlike Ryzen 9 PRO 5945.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 PRO 5945 across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,380 vs 23,200).
❌Smaller total L3 cache (18 MB vs 64 MB).
❌Launch MSRP is still $174 MSRP, while Ryzen 9 PRO 5945 mostly shows up through inconsistent older-market listings.

Ryzen 9 PRO 5945

2022

Why buy it

✅Better for gaming: +13.0% higher average FPS across 50 shared CPU benchmark tests.
✅+255.6% larger total L3 cache (64 MB vs 18 MB).

Trade-offs

❌Older platform position on AM4 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Ryzen 9 PRO 5945 better than Core i5-12400F?

Yes. Ryzen 9 PRO 5945 is the better all-around CPU here. It gives you a 13.0% average FPS lead across 50 shared CPU game tests in our data, 87.4% better Cinebench R23 multi-core, and 76.9% higher PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 PRO 5945 is the better pick. According to our tests, it delivers 13.0% 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 9 PRO 5945 is the stronger fit. You are getting 87.4% better Cinebench R23 multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 255.6% larger total L3 cache (64 MB vs 18 MB).

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

Ryzen 9 PRO 5945 is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Ryzen 9 PRO 5945 comes in at an unclear MSRP at unclear MSRP versus $174 MSRP, and it still gives you a 13.0% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper. That said, if you already own a compatible LGA1700 + DDR5 setup, Core i5-12400F 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?

Core i5-12400F makes more sense long term for 2026 and beyond. You are getting a healthier platform with LGA1700 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Ryzen 9 PRO 5945 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 9 PRO 5945

The Ryzen 9 PRO 5945 is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 34,549 points. Launch price was $499.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Ryzen 9 PRO 5945 offers 12 cores / 24 threads — the Ryzen 9 PRO 5945 has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 4.7 GHz on the Ryzen 9 PRO 5945 — a 6.6% clock advantage for the Ryzen 9 PRO 5945 (base: 2.5 GHz vs 3 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 9 PRO 5945 uses Vermeer (2020−2025) (7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Ryzen 9 PRO 5945's 34,549 — a 55.5% lead for the Ryzen 9 PRO 5945. Cinebench R23 multi-core: 12,380 vs 23,200 (60.8% advantage for the Ryzen 9 PRO 5945). Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 2,175, a 24.5% lead for the Ryzen 9 PRO 5945 that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 12,500 (180% advantage for the Ryzen 9 PRO 5945). L3 cache: 18 MB (total) on the Core i5-12400F vs 64 MB on the Ryzen 9 PRO 5945.

Feature	Core i5-12400F	Ryzen 9 PRO 5945
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.4 GHz	4.7 GHz+7%
Base Clock	2.5 GHz	3 GHz+20%
L3 Cache	18 MB (total)	64 MB+256%
L2 Cache	1.25 MB (per core)+150%	512 kB (per core)
Process	Intel 7 nm	7 nm
Architecture	Alder Lake-S (2022)	Vermeer (2020−2025)
PassMark	19,532	34,549+77%
Cinebench R23 Multi	12,380	23,200+87%
Geekbench 6 Single	1,700	2,175+28%
Geekbench 6 Multi	657	12,500+1803%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Ryzen 9 PRO 5945 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR4-3200 on the Ryzen 9 PRO 5945 — the Core i5-12400F supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and X570,B550,A520,X470,B450 (Ryzen 9 PRO 5945).

Feature	Core i5-12400F	Ryzen 9 PRO 5945
Socket	LGA1700	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR5-4800, DDR4-3200+50%	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	20

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V (SVM) (Ryzen 9 PRO 5945). Primary use case: Core i5-12400F targets Gaming Performance/Value, Ryzen 9 PRO 5945 targets High-end Gaming. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Ryzen 9 PRO 5945 rivals Core i9-12900.