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 i5-12400 vs Core i7-9700KF 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 i5-12400 vs Core i7-9700KF: Pros, Cons & Final Verdict

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

Core i5-12400

2022

Why buy it

✅+50.3% higher Geekbench multi-core.
✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Costs $165 less on MSRP ($209 MSRP vs $374 MSRP).
✅Delivers 136.0% more PassMark for each dollar spent, at 89.9 vs 38.1 PassMark/$ ($209 MSRP vs $374 MSRP).
✅Draws 65W instead of 95W, a 30W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700KF across 50 shared CPU benchmark tests.

Core i7-9700KF

2019

Why buy it

✅Better for gaming: +10.7% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower Geekbench multi-core (7,072 vs 10,632).
❌Smaller total L3 cache (12 MB vs 18 MB).
❌Lower PassMark per dollar, at 38.1 vs 89.9 PassMark/$ ($374 MSRP vs $209 MSRP).
❌46.2% higher power demand at 95W vs 65W.
❌Older platform position on LGA1151 with DDR4, while Core i5-12400 moves to LGA1700 and DDR5.

Quick Answers

So, is Core i5-12400 better than Core i7-9700KF?

It depends on what you want from the system. For gaming, Core i7-9700KF is ahead with a 10.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-12400 pulls ahead with 50.3% better Geekbench multi-core. Core i5-12400 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 i5-12400 is the stronger fit. You are getting 50.3% better Geekbench 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 i5-12400 is the better buy right now. Core i5-12400 comes in $165 cheaper on MSRP at $209 MSRP versus $374 MSRP, and it still gives you 50.3% better Geekbench multi-core. The compromise is that Core i7-9700KF is still the better pure gaming CPU with a 10.7% average FPS lead across 50 shared CPU game tests in our data. It is also 136.0% better value on MSRP (89.9 vs 38.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-12400 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019), a healthier platform with LGA1700 and DDR5 instead of LGA1151, 50% larger total L3 cache (18 MB vs 12 MB), and more multi-core headroom with 6 cores / 12 threads instead of 8/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400 vs Core i7-9700KF Technical Specifications

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

Core i5-12400

The Core i5-12400 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: 18,794 points. Launch price was $299.

Core i7-9700KF

The Core i7-9700KF is manufactured by Intel. It was released in 8 January 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 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: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4-2666. Passmark benchmark score: 14,250 points. Launch price was $374.

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Processing Power

The Core i5-12400 packs 6 cores / 12 threads, while the Core i7-9700KF offers 8 cores / 8 threads — the Core i7-9700KF has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400 versus 4.9 GHz on the Core i7-9700KF — a 10.8% clock advantage for the Core i7-9700KF (base: 2.5 GHz vs 3.6 GHz). The Core i5-12400 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i7-9700KF uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Core i5-12400 scores 18,794 against the Core i7-9700KF's 14,250 — a 27.5% lead for the Core i5-12400. Geekbench 6 single-core — the metric most relevant to gaming — records 2,381 vs 1,659, a 35.7% lead for the Core i5-12400 that directly translates to higher frame rates. Multi-core Geekbench: 10,632 vs 7,072 (40.2% advantage for the Core i5-12400). L3 cache: 18 MB (total) on the Core i5-12400 vs 12 MB (total) on the Core i7-9700KF.

Feature	Core i5-12400	Core i7-9700KF
Cores / Threads	6 / 12	8 / 8+33%
Boost Clock	4.4 GHz	4.9 GHz+11%
Base Clock	2.5 GHz	3.6 GHz+44%
L3 Cache	18 MB (total)+50%	12 MB (total)
L2 Cache	1.25 MB (per core)	256K (per core)+20380%
Process	Intel 7 nm-50%	14 nm
Architecture	Alder Lake-S (2022)	Coffee Lake (2017−2019)
PassMark	18,794+32%	14,250
Cinebench R23 Multi	12,400	—
Geekbench 6 Single	2,381+44%	1,659
Geekbench 6 Multi	10,632+50%	7,072

🧠

Memory & Platform

The Core i5-12400 uses the LGA1700 socket (PCIe 5.0), while the Core i7-9700KF uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400 versus DDR4-2666 on the Core i7-9700KF — the Core i5-12400 supports 80% 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. PCIe lanes: 20 (Core i5-12400) vs 16 (Core i7-9700KF) — the Core i5-12400 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400) and LGA1151 (Core i7-9700KF).

Feature	Core i5-12400	Core i7-9700KF
Socket	LGA1700	LGA1151
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	DDR5-4800, DDR4-3200+80%	DDR4-2666
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	20+25%	16

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400) vs VT-x, VT-d (Core i7-9700KF). The Core i5-12400 includes integrated graphics (UHD Graphics 730), while the Core i7-9700KF requires a dedicated GPU. Primary use case: Core i5-12400 targets Gaming Performance/Value. Direct competitor: Core i5-12400 rivals Ryzen 5 5600.

Feature	Core i5-12400	Core i7-9700KF
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 730	—
Unlocked	—	Yes
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Gaming Performance/Value	—

💰

Value Analysis

At launch, the Core i5-12400 was priced at $209, while the Core i7-9700KF came in at $374. On launch pricing ($209 vs $374), Core i5-12400 was $165 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400 delivers 89.9 pts/$ vs 38.1 pts/$ for the Core i7-9700KF — making the Core i5-12400 the 81% better value option.

Feature	Core i5-12400	Core i7-9700KF
MSRP	$209-44%	$374
Performance per Dollar	89.9+136%	38.1
Release Date	2022	2019

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