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 Core i9-13900K 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 Core i9-13900K: 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

✅Costs $425 less on MSRP ($174 MSRP vs $599 MSRP).
✅Delivers 15.2% more PassMark for each dollar spent, at 112.3 vs 97.5 PassMark/$ ($174 MSRP vs $599 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅Includes a boxed cooler (Yes), unlike Core i9-13900K.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900K across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,380 vs 40,000).
❌Smaller total L3 cache (18 MB vs 36 MB).
❌No integrated graphics, while Core i9-13900K can still boot and troubleshoot without a discrete GPU.

Core i9-13900K

2022

Why buy it

✅Better for gaming: +34.7% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (36 MB vs 18 MB).
✅Integrated graphics onboard with Intel UHD Graphics 770, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 97.5 vs 112.3 PassMark/$ ($599 MSRP vs $174 MSRP).
❌92.3% higher power demand at 125W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core i9-13900K better than Core i5-12400F?

Yes. Core i9-13900K is the better all-around CPU here. It gives you a 34.7% average FPS lead across 50 shared CPU game tests in our data, 223.1% better Cinebench R23 multi-core, 198.9% higher 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, Core i9-13900K is the better pick. According to our tests, it delivers 34.7% 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, Core i9-13900K is the stronger fit. You are getting 223.1% better Cinebench R23 multi-core, backed by 24 cores and 32 threads. It also has the larger cache pool with 100% larger total L3 cache (36 MB vs 18 MB).

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

Core i9-13900K is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Core i9-13900K comes in 244.3% more expensive on MSRP at $599 MSRP versus $174 MSRP, and it still gives you a 34.7% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 15.2% better value on MSRP (112.3 vs 97.5 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i9-13900K makes more sense long term for 2026 and beyond. You are getting 100% larger total L3 cache (36 MB vs 18 MB) and more multi-core headroom with 24 cores / 32 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-12400F vs Core i9-13900K 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.

Core i9-13900K

The Core i9-13900K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 24 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.7 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 58,373 points. Launch price was $589.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Core i9-13900K offers 24 cores / 32 threads — the Core i9-13900K has 18 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.7 GHz on the Core i9-13900K — a 25.7% clock advantage for the Core i9-13900K (base: 2.5 GHz vs 3 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i9-13900K uses Raptor Lake, Raptor Cove, Gracemont (2022) (Intel 7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Core i9-13900K's 58,373 — a 99.7% lead for the Core i9-13900K. Cinebench R23 multi-core: 12,380 vs 40,000 (105.5% advantage for the Core i9-13900K). Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 2,985, a 54.9% lead for the Core i9-13900K that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 19,967 (187.3% advantage for the Core i9-13900K). L3 cache: 18 MB (total) on the Core i5-12400F vs 36 MB (total) on the Core i9-13900K.

Feature	Core i5-12400F	Core i9-13900K
Cores / Threads	6 / 12	24 / 32+300%
Boost Clock	4.4 GHz	5.7 GHz+30%
Base Clock	2.5 GHz	3 GHz+20%
L3 Cache	18 MB (total)	36 MB (total)+100%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Alder Lake-S (2022)	Raptor Lake, Raptor Cove, Gracemont (2022)
PassMark	19,532	58,373+199%
Cinebench R23 Multi	12,380	40,000+223%
Geekbench 6 Single	1,700	2,985+76%
Geekbench 6 Multi	657	19,967+2939%

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Memory & Platform

Both processors use the LGA1700 socket with PCIe 3.0. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR5-5600 on the Core i9-13900K — the Core i9-13900K supports 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-13900K supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. 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 Intel Z790,Intel Z690 (Core i9-13900K).

Feature	Core i5-12400F	Core i9-13900K
Socket	LGA1700	LGA1700
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-5600+17%
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	20

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs true (Core i9-13900K). The Core i9-13900K includes integrated graphics (Intel UHD Graphics 770), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value, Core i9-13900K targets Desktop. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Core i9-13900K
Integrated GPU	No	Yes
IGPU Model	—	Intel UHD Graphics 770
Unlocked	—	Yes
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	true
Target Use	Gaming Performance/Value	Desktop

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Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Core i9-13900K came in at $599. On launch pricing ($174 vs $599), Core i5-12400F was $425 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 97.5 pts/$ for the Core i9-13900K — making the Core i5-12400F the 14.1% better value option.

Feature	Core i5-12400F	Core i9-13900K
MSRP	$174-71%	$599
Performance per Dollar	112.3+15%	97.5
Release Date	2022	2022

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