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 i5-11600KF vs Core i5-12400F 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 i5-11600KF vs Core i5-12400F: Pros, Cons & Final Verdict

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

Core i5-11600KF

2021

Why buy it

✅Better for gaming: +9.9% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower Cinebench R23 multi-core (11,277 vs 12,380).
❌Smaller total L3 cache (12 MB vs 18 MB).
❌Lower PassMark per dollar, at 82.1 vs 112.3 PassMark/$ ($237 MSRP vs $174 MSRP).
❌92.3% higher power demand at 125W vs 65W.
❌Older platform position on LGA1200 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.

Core i5-12400F

2022

Why buy it

✅+9.8% higher Cinebench R23 multi-core.
✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Costs $63 less on MSRP ($174 MSRP vs $237 MSRP).
✅Delivers 36.7% more PassMark for each dollar spent, at 112.3 vs 82.1 PassMark/$ ($174 MSRP vs $237 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-11600KF across 50 shared CPU benchmark tests.

Quick Answers

So, is Core i5-12400F better than Core i5-11600KF?

It depends on what you want from the system. For gaming, Core i5-11600KF is ahead with a 9.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-12400F pulls ahead with 9.8% better Cinebench R23 multi-core. Core i5-12400F also has the bigger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).

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

For streaming, content creation, and heavier multitasking, Core i5-12400F is the stronger fit. You are getting 9.8% better Cinebench R23 multi-core, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).

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

Core i5-12400F is the better buy right now. Core i5-12400F comes in $63 cheaper on MSRP at $174 MSRP versus $237 MSRP, and it still gives you 9.8% better Cinebench R23 multi-core. The compromise is that Core i5-11600KF is still the better pure gaming CPU with a 9.9% average FPS lead across 50 shared CPU game tests in our data. It is also 36.7% better value on MSRP (112.3 vs 82.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i5-11600KF 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 newer CPU generation (2022 vs 2021), a healthier platform with LGA1700 and DDR5 instead of LGA1200, 50% larger total L3 cache (18 MB vs 12 MB), 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 i5-11600KF vs Core i5-12400F Technical Specifications

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

Core i5-11600KF

The Core i5-11600KF 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 6 cores and 12 threads. Base frequency is 3.9 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-3200. Passmark benchmark score: 19,468 points. Launch price was $299.

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.

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Processing Power

Both the Core i5-11600KF and Core i5-12400F share an identical 6-core/12-thread configuration. Boost clocks reach 4.9 GHz on the Core i5-11600KF versus 4.4 GHz on the Core i5-12400F — a 10.8% clock advantage for the Core i5-11600KF (base: 3.9 GHz vs 2.5 GHz). The Core i5-11600KF uses the Rocket Lake (2021) architecture (14 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core i5-11600KF scores 19,468 against the Core i5-12400F's 19,532 — a 0.3% lead for the Core i5-12400F. Cinebench R23 multi-core: 11,277 vs 12,380 (9.3% advantage for the Core i5-12400F). Geekbench 6 single-core — the metric most relevant to gaming — records 2,138 vs 1,700, a 22.8% lead for the Core i5-11600KF that directly translates to higher frame rates. Multi-core Geekbench: 8,631 vs 657 (171.7% advantage for the Core i5-11600KF). L3 cache: 12 MB (total) on the Core i5-11600KF vs 18 MB (total) on the Core i5-12400F.

Feature	Core i5-11600KF	Core i5-12400F
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.9 GHz+11%	4.4 GHz
Base Clock	3.9 GHz+56%	2.5 GHz
L3 Cache	12 MB (total)	18 MB (total)+50%
L2 Cache	256K (per core)+20380%	1.25 MB (per core)
Process	14 nm	Intel 7 nm-50%
Architecture	Rocket Lake (2021)	Alder Lake-S (2022)
PassMark	19,468	19,532
Cinebench R23 Multi	11,277	12,380+10%
Geekbench 6 Single	2,138+26%	1,700
Geekbench 6 Multi	8,631+1214%	657

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Memory & Platform

The Core i5-11600KF uses the LGA1200 socket (PCIe 4.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i5-11600KF versus DDR5-4800, DDR4-3200 on the Core i5-12400F — 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: LGA1200 (Core i5-11600KF) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

Feature	Core i5-11600KF	Core i5-12400F
Socket	LGA1200	LGA1700
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200	DDR5-4800, DDR4-3200+50%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	20	20

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Advanced Features

Both support VT-x, VT-d, EPT virtualization. Primary use case: Core i5-11600KF targets Gaming, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-11600KF rivals Ryzen 5 5600X; Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-11600KF	Core i5-12400F
Integrated GPU	No	No
Unlocked	Yes	—
AVX-512	Yes	—
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Gaming	Gaming Performance/Value

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Value Analysis

At launch, the Core i5-11600KF was priced at $237, while the Core i5-12400F came in at $174. On launch pricing ($237 vs $174), Core i5-12400F was $63 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-11600KF delivers 82.1 pts/$ vs 112.3 pts/$ for the Core i5-12400F — making the Core i5-12400F the 31% better value option.

Feature	Core i5-11600KF	Core i5-12400F
MSRP	$237	$174-27%
Performance per Dollar	82.1	112.3+37%
Release Date	2021	2022

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