Core i5-12400F vs Opteron 6386 SE

Core i5-12400F vs Opteron 6386 SE Performance Spectrum

Core i5-12400F

6 / 12

19,532

+135.6%

8,291

0.0%

Ryzen Threadripper PRO 7965WX

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 Opteron 6386 SE 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 Opteron 6386 SE: 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

✅Better for gaming: +50.3% higher average FPS across 50 shared CPU benchmark tests.
✅+125% larger total L3 cache (18 MB vs 8 MB).
✅Costs $1,218 less on MSRP ($174 MSRP vs $1,392 MSRP).
✅Delivers 1784.6% more PassMark for each dollar spent, at 112.3 vs 6.0 PassMark/$ ($174 MSRP vs $1,392 MSRP).
✅Draws 65W instead of 140W, a 75W reduction.

Trade-offs

❌Less compelling for workstation-style loads than Opteron 6386 SE, which brings 16 cores / 16 threads.

Opteron 6386 SE

2012

Why buy it

✅Better for workstations and heavier parallel workloads: 16 cores / 16 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark (8,291 vs 19,532).
❌Smaller total L3 cache (8 MB vs 18 MB).
❌Lower PassMark per dollar, at 6.0 vs 112.3 PassMark/$ ($1,392 MSRP vs $174 MSRP).
❌115.4% higher power demand at 140W vs 65W.

Quick Answers

So, is Core i5-12400F better than Opteron 6386 SE?

Not really, because they are built for different jobs. Opteron 6386 SE makes more sense for workstation-style multi-core throughput, while Core i5-12400F is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i5-12400F is the better pick. According to our tests, it delivers 50.3% 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 i5-12400F is the stronger fit. You are getting 135.6% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 125% larger total L3 cache (18 MB vs 8 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 $1,218 cheaper on MSRP at $174 MSRP versus $1,392 MSRP, and it still gives you a 50.3% average FPS lead across 50 shared CPU game tests in our data. It is also 1784.6% better value on MSRP (112.3 vs 6.0 PassMark/$), 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 i5-12400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2012), a healthier platform with LGA1700 and DDR5 instead of G34, 125% larger total L3 cache (18 MB vs 8 MB), and more multi-core headroom with 6 cores / 12 threads instead of 16/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Opteron 6386 SE 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.

Opteron 6386 SE

The Opteron 6386 SE is manufactured by AMD. It was released in 5 November 2012 (13 years ago). It is based on the Abu Dhabi (2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 8 MB (total). L2 cache: 16 MB. Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 140 Watt. Memory support: DDR3. Passmark benchmark score: 8,291 points. Launch price was $2,408.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Opteron 6386 SE offers 16 cores / 16 threads — the Opteron 6386 SE has 10 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3.5 GHz on the Opteron 6386 SE — a 22.8% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.8 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Opteron 6386 SE uses Abu Dhabi (2012) (32 nm). In PassMark, the Core i5-12400F scores 19,532 against the Opteron 6386 SE's 8,291 — a 80.8% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 8 MB (total) on the Opteron 6386 SE.

Feature	Core i5-12400F	Opteron 6386 SE
Cores / Threads	6 / 12	16 / 16+167%
Boost Clock	4.4 GHz+26%	3.5 GHz
Base Clock	2.5 GHz	2.8 GHz+12%
L3 Cache	18 MB (total)+125%	8 MB (total)
L2 Cache	1.25 MB (per core)	16 MB+1180%
Process	Intel 7 nm-78%	32 nm
Architecture	Alder Lake-S (2022)	Abu Dhabi (2012)
PassMark	19,532+136%	8,291
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Opteron 6386 SE uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i5-12400F	Opteron 6386 SE
Socket	LGA1700	G34
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR5-4800, DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-12400F) / not specified (Opteron 6386 SE). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Opteron 6386 SE
Integrated GPU	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Gaming Performance/Value	—

💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Opteron 6386 SE came in at $1392. On launch pricing ($174 vs $1392), Core i5-12400F was $1218 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 6.0 pts/$ for the Opteron 6386 SE — making the Core i5-12400F the 179.8% better value option.

Feature	Core i5-12400F	Opteron 6386 SE
MSRP	$174-88%	$1392
Performance per Dollar	112.3+1772%	6.0
Release Date	2022	2012

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