Core i5-12400 vs Ryzen 5 5600X3D

CPU

GPU

Core i5-12400

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

Core family

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Ryzen 5 5600X3D

6 Cores12 Thrd105 WWMax: 4.4 GHz2023

Ryzen family

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Core i5-12400 vs Ryzen 5 5600X3D Performance Spectrum

Core i5-12400

6 / 12

18,794

0.0%

21,865

+16.3%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 i5-12400 vs Ryzen 5 5600X3D 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 Ryzen 5 5600X3D: 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

✅Better for gaming: +7.5% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $20 less on MSRP ($209 MSRP vs $229 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with UHD Graphics 730, while Ryzen 5 5600X3D needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (18 MB vs 96 MB).

Ryzen 5 5600X3D

2023

Why buy it

✅+433.3% larger total L3 cache (96 MB vs 18 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400 across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (11,065 vs 12,400).
❌
9.6% HIGHER MSRP
$229 MSRPvs$209 MSRP
❌61.5% higher power demand at 105W vs 65W.
❌Older platform position on AM4 with DDR4, while Core i5-12400 moves to LGA1700 and DDR5.

Quick Answers

So, is Core i5-12400 better than Ryzen 5 5600X3D?

Yes. Core i5-12400 is the better all-around CPU here. It gives you a 7.5% average FPS lead across 50 shared CPU game tests in our data, 12.1% better Cinebench R23 multi-core, 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 i5-12400 is the better pick. According to our tests, it delivers 7.5% 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 i5-12400 is the stronger fit. You are getting 12.1% better Cinebench R23 multi-core, backed by 6 cores and 12 threads.

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

Core i5-12400 is still the faster CPU overall, but Ryzen 5 5600X3D is easier to justify if budget matters more than peak performance. Core i5-12400 comes in $20 cheaper on MSRP at $209 MSRP versus $229 MSRP, and it still gives you a 7.5% average FPS lead across 50 shared CPU game tests in our data. Ryzen 5 5600X3D is also 6.2% better value on MSRP (95.5 vs 89.9 PassMark/$), which is why it can still make sense for tighter-budget builds on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 5 5600X3D 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?

Core i5-12400 makes more sense long term for 2026 and beyond. You are getting a healthier platform with LGA1700 and DDR5 instead of AM4 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 i5-12400 vs Ryzen 5 5600X3D 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.

Ryzen 5 5600X3D

The Ryzen 5 5600X3D is manufactured by AMD. It was released in 7 July 2023 (2 years ago). It is based on the Vermeer (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 4.4 GHz. L3 cache: 96 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 21,865 points. Launch price was $229.

⚡

Processing Power

Both the Core i5-12400 and Ryzen 5 5600X3D share an identical 6-core/12-thread configuration. Boost clocks reach 4.4 GHz on the Core i5-12400 versus 4.4 GHz on the Ryzen 5 5600X3D — identical boost frequencies (base: 2.5 GHz vs 3.3 GHz). The Core i5-12400 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 5 5600X3D uses Vermeer (2020−2025) (7 nm). In PassMark, the Core i5-12400 scores 18,794 against the Ryzen 5 5600X3D's 21,865 — a 15.1% lead for the Ryzen 5 5600X3D. Cinebench R23 multi-core: 12,400 vs 11,065 (11.4% advantage for the Core i5-12400). Geekbench 6 single-core — the metric most relevant to gaming — records 2,381 vs 2,087, a 13.2% lead for the Core i5-12400 that directly translates to higher frame rates. Multi-core Geekbench: 10,632 vs 1,985 (137.1% advantage for the Core i5-12400). L3 cache: 18 MB (total) on the Core i5-12400 vs 96 MB (total) on the Ryzen 5 5600X3D.

Feature	Core i5-12400	Ryzen 5 5600X3D
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.4 GHz	4.4 GHz
Base Clock	2.5 GHz	3.3 GHz+32%
L3 Cache	18 MB (total)	96 MB (total)+433%
L2 Cache	1.25 MB (per core)+150%	512 kB (per core)
Process	Intel 7 nm	7 nm
Architecture	Alder Lake-S (2022)	Vermeer (2020−2025)
PassMark	18,794	21,865+16%
Cinebench R23 Multi	12,400+12%	11,065
Geekbench 6 Single	2,381+14%	2,087
Geekbench 6 Multi	10,632+436%	1,985

🧠

Memory & Platform

The Core i5-12400 uses the LGA1700 socket (PCIe 5.0), while the Ryzen 5 5600X3D uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400 versus DDR4-3200 on the Ryzen 5 5600X3D — the Core i5-12400 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: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400) and A520,B450,B550,X470,X570 (Ryzen 5 5600X3D).

Feature	Core i5-12400	Ryzen 5 5600X3D
Socket	LGA1700	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800, DDR4-3200+50%	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	20

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400) vs Yes (Ryzen 5 5600X3D). The Core i5-12400 includes integrated graphics (UHD Graphics 730), while the Ryzen 5 5600X3D 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	Ryzen 5 5600X3D
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 730	—
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	Yes
Target Use	Gaming Performance/Value	—

💰

Value Analysis

At launch, the Core i5-12400 was priced at $209, while the Ryzen 5 5600X3D came in at $229. On launch pricing ($209 vs $229), Core i5-12400 was $20 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400 delivers 89.9 pts/$ vs 95.5 pts/$ for the Ryzen 5 5600X3D — making the Ryzen 5 5600X3D the 6% better value option.

Feature	Core i5-12400	Ryzen 5 5600X3D
MSRP	$209-9%	$229
Performance per Dollar	89.9	95.5+6%
Release Date	2022	2023

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