Opteron 4386 vs Xeon W3550

Opteron 4386 vs Xeon W3550 Performance Spectrum

Opteron 4386

8 / 8

3,273

+0.7%

Ryzen Threadripper 3990X

Xeon W3550

4 / 8

3,251

0.0%

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.

Opteron 4386 vs Xeon W3550 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.

Opteron 4386 vs Xeon W3550: Pros, Cons & Final Verdict

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

Opteron 4386

2012

Why buy it

✅Better for gaming: +3.9% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 95W instead of 130W, a 35W reduction.
✅100+% more PCIe lanes (42 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 7.1 vs 11.1 PassMark/$ ($459 MSRP vs $294 MSRP).

Xeon W3550

2009

Why buy it

✅Costs $165 less on MSRP ($294 MSRP vs $459 MSRP).
✅Delivers 55.1% more PassMark for each dollar spent, at 11.1 vs 7.1 PassMark/$ ($294 MSRP vs $459 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 4386 across 50 shared CPU benchmark tests.
❌Lower PassMark (3,251 vs 3,273).
❌36.8% higher power demand at 130W vs 95W.

Quick Answers

So, is Opteron 4386 better than Xeon W3550?

Yes. Opteron 4386 is the better all-around CPU here. It gives you a 3.9% average FPS lead across 50 shared CPU game tests in our data, 0.7% better 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, Opteron 4386 is the better pick. According to our tests, it delivers 3.9% 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, Opteron 4386 is the stronger fit. You are getting 0.7% better PassMark, backed by 8 cores and 8 threads.

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

Opteron 4386 is still the faster CPU overall, but Xeon W3550 is easier to justify if budget matters more than peak performance. Opteron 4386 comes in 56.1% more expensive on MSRP at $459 MSRP versus $294 MSRP, and it still gives you a 3.9% average FPS lead across 50 shared CPU game tests in our data. Xeon W3550 is also 55.1% better value on MSRP (11.1 vs 7.1 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Opteron 4386 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2009) and more multi-core headroom with 8 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Opteron 4386 vs Xeon W3550 Technical Specifications

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

Opteron 4386

The Opteron 4386 is manufactured by AMD. It was released in 2015-01-01. It is based on the Seoul (2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L3 cache: 8192 kB (total). L2 cache: 8192 kB. Built on 32 nm process technology. Socket: C32. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,273 points. Launch price was $800.

Xeon W3550

The Xeon W3550 is manufactured by Intel. It was released in 9 August 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.06 GHz, with boost up to 3.33 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,251 points. Launch price was $235.

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Processing Power

The Opteron 4386 packs 8 cores / 8 threads, while the Xeon W3550 offers 4 cores / 8 threads — the Opteron 4386 has 4 more cores. Boost clocks reach 3.8 GHz on the Opteron 4386 versus 3.33 GHz on the Xeon W3550 — a 13.2% clock advantage for the Opteron 4386 (base: 3.1 GHz vs 3.06 GHz). The Opteron 4386 uses the Seoul (2012) architecture (32 nm), while the Xeon W3550 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Opteron 4386 scores 3,273 against the Xeon W3550's 3,251 — a 0.7% lead for the Opteron 4386. L3 cache: 8192 kB (total) on the Opteron 4386 vs 8 MB (total) on the Xeon W3550.

Feature	Opteron 4386	Xeon W3550
Cores / Threads	8 / 8+100%	4 / 8
Boost Clock	3.8 GHz+14%	3.33 GHz
Base Clock	3.1 GHz+1%	3.06 GHz
L3 Cache	8192 kB (total)	8 MB (total)
L2 Cache	8192 kB+3100%	256 kB (per core)
Process	32 nm-29%	45 nm
Architecture	Seoul (2012)	Bloomfield (2008−2010)
PassMark	3,273	3,251

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Memory & Platform

The Opteron 4386 uses the C32 socket (PCIe 2.0), while the Xeon W3550 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Opteron 4386	Xeon W3550
Socket	C32	LGA1366
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1866	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	42	—

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Advanced Features

Virtualization: AMD-V (Opteron 4386) / not specified (Xeon W3550). Primary use case: Opteron 4386 targets Server.

Feature	Opteron 4386	Xeon W3550
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	AMD-V	—
Target Use	Server	—

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Value Analysis

At launch, the Opteron 4386 was priced at $459, while the Xeon W3550 came in at $294. On launch pricing ($459 vs $294), Xeon W3550 was $165 cheaper. In terms of value on MSRP (PassMark points per dollar), the Opteron 4386 delivers 7.1 pts/$ vs 11.1 pts/$ for the Xeon W3550 — making the Xeon W3550 the 43.2% better value option.

Feature	Opteron 4386	Xeon W3550
MSRP	$459	$294-36%
Performance per Dollar	7.1	11.1+56%
Release Date	2012	2009

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