Core i5-12400F vs Core i9-11900F

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 i5-12400F

2022

Why buy it

✅Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Core i9-11900F.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900F across 5 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 22,052).
❌Launch MSRP is still $174 MSRP, while Core i9-11900F mostly shows up through inconsistent older-market listings.

Core i9-11900F

2021

Why buy it

✅Better for gaming: +17.2% higher average FPS across 5 shared CPU benchmark tests.

Trade-offs

❌Older platform position on LGA1200 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Core i9-11900F

2021

Why buy it

✅Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Core i9-11900F.

Why buy it

✅Better for gaming: +17.2% higher average FPS across 5 shared CPU benchmark tests.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900F across 5 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 22,052).
❌Launch MSRP is still $174 MSRP, while Core i9-11900F mostly shows up through inconsistent older-market listings.

Trade-offs

❌Older platform position on LGA1200 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core i9-11900F better than Core i5-12400F?

Yes. Core i9-11900F is the better overall CPU here. You are getting a 17.2% average FPS lead across 5 shared CPU game tests in our data and 12.9% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Core i9-11900F is the better pick here. According to our tests, it delivers 17.2% more average FPS across 5 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-11900F is the better fit. You are getting 12.9% better PassMark, backed by 8 cores and 16 threads.

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

Core i9-11900F is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. Core i9-11900F is at an unclear MSRP at unclear MSRP versus $174 MSRP, and it gives you a 17.2% average FPS lead across 5 shared CPU game tests in our data. Core i5-12400F is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious 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 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2021) and a healthier platform with LGA1700 and DDR5 instead of LGA1200. 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 i5-12400F Benchmark Check

Core i9-11900F Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Core i9-11900F
1080p
low	183 FPS	286 FPS
medium	168 FPS	256 FPS
high	139 FPS	217 FPS
ultra	119 FPS	187 FPS
1440p
low	153 FPS	235 FPS
medium	132 FPS	189 FPS
high	106 FPS	155 FPS
ultra	89 FPS	137 FPS
4K
low	87 FPS	164 FPS
medium	81 FPS	133 FPS
high	64 FPS	103 FPS
ultra	49 FPS	91 FPS

Open Core i5-12400F Open Core i9-11900F

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Core i9-11900F
1080p
low	471 FPS	551 FPS
medium	397 FPS	507 FPS
high	341 FPS	442 FPS
ultra	301 FPS	390 FPS
1440p
low	407 FPS	551 FPS
medium	351 FPS	473 FPS
high	309 FPS	407 FPS
ultra	265 FPS	346 FPS
4K
low	282 FPS	386 FPS
medium	248 FPS	328 FPS
high	229 FPS	309 FPS
ultra	196 FPS	263 FPS

Open Core i5-12400F Open Core i9-11900F

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Core i9-11900F
1080p
low	488 FPS	551 FPS
medium	488 FPS	551 FPS
high	488 FPS	551 FPS
ultra	488 FPS	521 FPS
1440p
low	488 FPS	551 FPS
medium	488 FPS	551 FPS
high	485 FPS	504 FPS
ultra	434 FPS	433 FPS
4K
low	442 FPS	535 FPS
medium	389 FPS	445 FPS
high	337 FPS	396 FPS
ultra	274 FPS	332 FPS

Open Core i5-12400F Open Core i9-11900F

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Core i9-11900F
1080p
low	488 FPS	551 FPS
medium	488 FPS	551 FPS
high	488 FPS	551 FPS
ultra	488 FPS	551 FPS
1440p
low	488 FPS	551 FPS
medium	488 FPS	551 FPS
high	488 FPS	551 FPS
ultra	473 FPS	551 FPS
4K
low	488 FPS	551 FPS
medium	450 FPS	551 FPS
high	391 FPS	503 FPS
ultra	330 FPS	435 FPS

Open Core i5-12400F Open Core i9-11900F

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Core i9-11900F

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.

Core i9-11900F

The Core i9-11900F is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 22,052 points. Launch price was $299.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Core i9-11900F offers 8 cores / 16 threads — the Core i9-11900F has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.1 GHz on the Core i9-11900F — a 14.7% clock advantage for the Core i9-11900F (base: 2.5 GHz vs 2.5 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i9-11900F uses Rocket Lake (2021) (14 nm). In PassMark, the Core i5-12400F scores 19,532 against the Core i9-11900F's 22,052 — a 12.1% lead for the Core i9-11900F. L3 cache: 18 MB (total) on the Core i5-12400F vs 16 MB (total) on the Core i9-11900F.

Feature	Core i5-12400F	Core i9-11900F
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.4 GHz	5.1 GHz+16%
Base Clock	2.5 GHz	2.5 GHz
L3 Cache	18 MB (total)+13%	16 MB (total)
L2 Cache	1.25 MB (per core)+400%	256K (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-S (2022)	Rocket Lake (2021)
PassMark	19,532	22,052+13%
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 Core i9-11900F uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i5-12400F	Core i9-11900F
Socket	LGA1700	LGA1200
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 (Core i9-11900F). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.