Core i5-12400F vs Ryzen 9 9900X

CPU

GPU

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Core family

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Ryzen 9 9900X

12 Cores24 Thrd120 WWMax: 5.6 GHz2024

Ryzen family

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Core i5-12400F vs Ryzen 9 9900X Performance Spectrum

Core i5-12400F

6 / 12

19,532

0.0%

54,530

+179.2%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper PRO 5995WX

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 9900X 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 9900X: 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 $325 less on MSRP ($174 MSRP vs $499 MSRP).
✅Draws 65W instead of 120W, a 55W reduction.
✅Includes a boxed cooler (Yes), unlike Ryzen 9 9900X.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9900X across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,380 vs 33,003).
❌Smaller total L3 cache (18 MB vs 64 MB).
❌No integrated graphics, while Ryzen 9 9900X can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9900X

2024

Why buy it

✅Better for gaming: +32.4% higher average FPS across 50 shared CPU benchmark tests.
✅+255.6% larger total L3 cache (64 MB vs 18 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 610M, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌
186.8% HIGHER MSRP
$499 MSRPvs$174 MSRP
❌84.6% higher power demand at 120W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Ryzen 9 9900X better than Core i5-12400F?

Yes. Ryzen 9 9900X is the better all-around CPU here. It gives you a 32.4% average FPS lead across 50 shared CPU game tests in our data, 166.6% better Cinebench R23 multi-core, 179.2% 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 9900X is the better pick. According to our tests, it delivers 32.4% 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 9900X is the stronger fit. You are getting 166.6% 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 9900X is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Ryzen 9 9900X comes in 186.8% more expensive on MSRP at $499 MSRP versus $174 MSRP, and it still gives you a 32.4% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 2.7% better value on MSRP (112.3 vs 109.3 PassMark/$), 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 9900X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022), 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 9900X 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 9900X

The Ryzen 9 9900X is manufactured by AMD. It was released in 15 August 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 54,530 points. Launch price was $499.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Ryzen 9 9900X offers 12 cores / 24 threads — the Ryzen 9 9900X has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.6 GHz on the Ryzen 9 9900X — a 24% clock advantage for the Ryzen 9 9900X (base: 2.5 GHz vs 4.4 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 9 9900X uses Granite Ridge (2024−2025) (4 nm). In PassMark, the Core i5-12400F scores 19,532 against the Ryzen 9 9900X's 54,530 — a 94.5% lead for the Ryzen 9 9900X. Cinebench R23 multi-core: 12,380 vs 33,003 (90.9% advantage for the Ryzen 9 9900X). Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 3,401, a 66.7% lead for the Ryzen 9 9900X that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 19,756 (187.1% advantage for the Ryzen 9 9900X). L3 cache: 18 MB (total) on the Core i5-12400F vs 64 MB (total) on the Ryzen 9 9900X.

Feature	Core i5-12400F	Ryzen 9 9900X
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.4 GHz	5.6 GHz+27%
Base Clock	2.5 GHz	4.4 GHz+76%
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	4 nm-43%
Architecture	Alder Lake-S (2022)	Granite Ridge (2024−2025)
PassMark	19,532	54,530+179%
Cinebench R23 Multi	12,380	33,003+167%
Geekbench 6 Single	1,700	3,401+100%
Geekbench 6 Multi	657	19,756+2907%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Ryzen 9 9900X 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 DDR5-5600 on the Ryzen 9 9900X — the Ryzen 9 9900X supports 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 9900X supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400F) vs 24 (Ryzen 9 9900X) — the Ryzen 9 9900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and A620,B650,X670,X870 (Ryzen 9 9900X).

Feature	Core i5-12400F	Ryzen 9 9900X
Socket	LGA1700	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-5600+17%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	24+20%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs AMD-V (Ryzen 9 9900X). The Ryzen 9 9900X includes integrated graphics (Radeon 610M), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Ryzen 9 9900X
Integrated GPU	No	Yes
IGPU Model	—	Radeon 610M
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	AMD-V
Target Use	Gaming Performance/Value	—

💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Ryzen 9 9900X came in at $499. On launch pricing ($174 vs $499), Core i5-12400F was $325 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 109.3 pts/$ for the Ryzen 9 9900X — making the Core i5-12400F the 2.7% better value option.

Feature	Core i5-12400F	Ryzen 9 9900X
MSRP	$174-65%	$499
Performance per Dollar	112.3+3%	109.3
Release Date	2022	2024

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