Opteron 3380 vs Xeon L5639

Opteron 3380 vs Xeon L5639 Performance Spectrum

Opteron 3380

8 / 8

4,358

0.0%

Ryzen Threadripper PRO 7965WX

Xeon L5639

6 / 12

4,419

+1.4%

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 3380 vs Xeon L5639 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 3380 vs Xeon L5639: Pros, Cons & Final Verdict

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

Opteron 3380

2012

Why buy it

Trade-offs

❌Lower PassMark (4,358 vs 4,419).
❌Smaller total L3 cache (8 MB vs 12 MB).
❌Launch MSRP is still $229 MSRP, while Xeon L5639 mostly shows up through inconsistent older-market listings.

Xeon L5639

2011

Why buy it

✅+1.4% higher PassMark.
✅+50% larger total L3 cache (12 MB vs 8 MB).
✅Draws 60W instead of 65W, a 5W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Opteron 3380 better than Xeon L5639?

It depends on what you want from the system. For gaming, Opteron 3380 is ahead with a 0.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon L5639 pulls ahead with 1.4% better PassMark. Xeon L5639 also has the bigger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon L5639 is the stronger fit. You are getting 1.4% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

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

Opteron 3380 is the better buy right now. Opteron 3380 comes in at an unclear MSRP at $229 MSRP versus unclear MSRP, and it still gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon L5639 is still stronger for heavier multi-core work with 1.4% better PassMark. It is also 100.0% better value on MSRP (19.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Opteron 3380 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011). That makes it the safer long-term bet.

Opteron 3380 vs Xeon L5639 Technical Specifications

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

Opteron 3380

The Opteron 3380 is manufactured by AMD. It was released in 2015-01-01. It is based on the Delhi (2012−2013) architecture. It features 8 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 3.6 GHz. L3 cache: 8192 kB (total). L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,358 points. Launch price was $800.

Xeon L5639

The Xeon L5639 is manufactured by Intel. It was released in 2015-01-01. It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.133 GHz, with boost up to 2.67 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,419 points. Launch price was $800.

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Processing Power

The Opteron 3380 packs 8 cores / 8 threads, while the Xeon L5639 offers 6 cores / 12 threads — the Opteron 3380 has 2 more cores. Boost clocks reach 3.6 GHz on the Opteron 3380 versus 2.67 GHz on the Xeon L5639 — a 29.7% clock advantage for the Opteron 3380 (base: 2.6 GHz vs 2.133 GHz). The Opteron 3380 uses the Delhi (2012−2013) architecture (32 nm), while the Xeon L5639 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Opteron 3380 scores 4,358 against the Xeon L5639's 4,419 — a 1.4% lead for the Xeon L5639. L3 cache: 8192 kB (total) on the Opteron 3380 vs 12 MB (total) on the Xeon L5639.

Feature	Opteron 3380	Xeon L5639
Cores / Threads	8 / 8+33%	6 / 12
Boost Clock	3.6 GHz+35%	2.67 GHz
Base Clock	2.6 GHz+22%	2.133 GHz
L3 Cache	8192 kB (total)	12 MB (total)+50%
L2 Cache	8192 kB+3100%	256 kB (per core)
Process	32 nm	32 nm
Architecture	Delhi (2012−2013)	Westmere-EP (2010−2011)
PassMark	4,358	4,419+1%

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Memory & Platform

The Opteron 3380 uses the AM3+ socket (PCIe 2.0), while the Xeon L5639 uses LGA1366 (PCIe 4.0) — making them incompatible on the same motherboard.