Core i5-12400F vs Ryzen 9 7900X

CPU

GPU

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Core family

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Ryzen 9 7900X

12 Cores24 Thrd170 WWMax: 5.6 GHz2022

Ryzen family

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Core i5-12400F vs Ryzen 9 7900X Performance Spectrum

Core i5-12400F

6 / 12

19,532

0.0%

51,329

+162.8%

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper 9970X

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 7900X 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 7900X: 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 $375 less on MSRP ($174 MSRP vs $549 MSRP).
✅Delivers 20.1% more PassMark for each dollar spent, at 112.3 vs 93.5 PassMark/$ ($174 MSRP vs $549 MSRP).
✅Draws 65W instead of 170W, a 105W reduction.
✅Includes a boxed cooler (Yes), unlike Ryzen 9 7900X.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7900X across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,380 vs 29,557).
❌Smaller total L3 cache (18 MB vs 64 MB).
❌No integrated graphics, while Ryzen 9 7900X can still boot and troubleshoot without a discrete GPU.

Ryzen 9 7900X

2022

Why buy it

✅Better for gaming: +29.6% higher average FPS across 50 shared CPU benchmark tests.
✅+255.6% larger total L3 cache (64 MB vs 18 MB).
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon Graphics, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 93.5 vs 112.3 PassMark/$ ($549 MSRP vs $174 MSRP).
❌161.5% higher power demand at 170W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Ryzen 9 7900X better than Core i5-12400F?

Yes. Ryzen 9 7900X is the better all-around CPU here. It gives you a 29.6% average FPS lead across 50 shared CPU game tests in our data, 138.7% better Cinebench R23 multi-core, 162.8% 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, Ryzen 9 7900X is the better pick. According to our tests, it delivers 29.6% 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 7900X is the stronger fit. You are getting 138.7% 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 7900X is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Ryzen 9 7900X comes in 215.5% more expensive on MSRP at $549 MSRP versus $174 MSRP, and it still gives you a 29.6% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 20.1% better value on MSRP (112.3 vs 93.5 PassMark/$), 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.

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

Ryzen 9 7900X makes more sense long term for 2026 and beyond. You are getting 255.6% larger total L3 cache (64 MB vs 18 MB) and more multi-core headroom with 12 cores / 24 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Ryzen 9 7900X 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 7900X

The Ryzen 9 7900X is manufactured by AMD. It was released in 2022-09-27. It is based on the Raphael (Zen4) (2022−2023) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5-5200. Passmark benchmark score: 51,329 points. Launch price was $549.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Ryzen 9 7900X offers 12 cores / 24 threads — the Ryzen 9 7900X has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.6 GHz on the Ryzen 9 7900X — a 24% clock advantage for the Ryzen 9 7900X (base: 2.5 GHz vs 4.7 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 9 7900X uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i5-12400F scores 19,532 against the Ryzen 9 7900X's 51,329 — a 89.7% lead for the Ryzen 9 7900X. Cinebench R23 multi-core: 12,380 vs 29,557 (81.9% advantage for the Ryzen 9 7900X). L3 cache: 18 MB (total) on the Core i5-12400F vs 64 MB (total) on the Ryzen 9 7900X.

Feature	Core i5-12400F	Ryzen 9 7900X
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.4 GHz	5.6 GHz+27%
Base Clock	2.5 GHz	4.7 GHz+88%
L3 Cache	18 MB (total)	64 MB (total)+256%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	5 nm-29%
Architecture	Alder Lake-S (2022)	Raphael (Zen4) (2022−2023)
PassMark	19,532	51,329+163%
Cinebench R23 Multi	12,380	29,557+139%
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Ryzen 9 7900X uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR5-5200 on the Ryzen 9 7900X — the Ryzen 9 7900X supports 8.3% 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 i5-12400F) vs 28 (Ryzen 9 7900X) — the Ryzen 9 7900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and AM5 (Ryzen 9 7900X).

Feature	Core i5-12400F	Ryzen 9 7900X
Socket	LGA1700	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-5200+8%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	28+40%

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V (Ryzen 9 7900X). The Ryzen 9 7900X includes integrated graphics (Radeon Graphics), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value, Ryzen 9 7900X targets Gaming. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Ryzen 9 7900X rivals Core i9-13900K.

Feature	Core i5-12400F	Ryzen 9 7900X
Integrated GPU	No	Yes
IGPU Model	—	Radeon Graphics
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	AMD-V
Target Use	Gaming Performance/Value	Gaming

💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Ryzen 9 7900X came in at $549. On launch pricing ($174 vs $549), Core i5-12400F was $375 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 93.5 pts/$ for the Ryzen 9 7900X — making the Core i5-12400F the 18.2% better value option.

Feature	Core i5-12400F	Ryzen 9 7900X
MSRP	$174-68%	$549
Performance per Dollar	112.3+20%	93.5
Release Date	2022	2022

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