Opteron 3260 HE vs Xeon L5520

Opteron 3260 HE vs Xeon L5520 Performance Spectrum

Opteron 3260 HE

4 / 4

2,283

+0.4%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Xeon L5520

4 / 8

2,274

0.0%

Celeron 847

Core i3-530

Pentium Dual Core T2390

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 3260 HE vs Xeon L5520 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 3260 HE vs Xeon L5520: Pros, Cons & Final Verdict

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

Opteron 3260 HE

2012

Why buy it

✅+0.4% higher PassMark.
✅Draws 45W instead of 60W, a 15W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon L5520 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (4 MB vs 8 MB).

Xeon L5520

2009

Why buy it

✅Better for gaming: +5.4% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (8 MB vs 4 MB).

Trade-offs

❌Lower PassMark (2,274 vs 2,283).
❌33.3% higher power demand at 60W vs 45W.

Quick Answers

So, is Opteron 3260 HE better than Xeon L5520?

It depends on what you want from the system. For gaming, Xeon L5520 is ahead with a 5.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Opteron 3260 HE pulls ahead with 0.4% better PassMark. Xeon L5520 also has the bigger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).

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

For streaming, content creation, and heavier multitasking, Opteron 3260 HE is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 4 threads.

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

Opteron 3260 HE still makes the most sense overall. Opteron 3260 HE comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark.

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

Opteron 3260 HE 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 4 cores / 4 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Opteron 3260 HE vs Xeon L5520 Technical Specifications

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

Opteron 3260 HE

The Opteron 3260 HE is manufactured by AMD. It was released in 20 March 2012 (13 years ago). It is based on the Zurich (2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.7 GHz, with boost up to 3.7 GHz. L3 cache: 4 MB (total). L2 cache: 4 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 2,283 points. Launch price was $125.

Xeon L5520

The Xeon L5520 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.26 GHz, with boost up to 2.48 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 2,274 points. Launch price was $100.

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Processing Power

The Opteron 3260 HE packs 4 cores / 4 threads, matching the Xeon L5520's 4 cores. Boost clocks reach 3.7 GHz on the Opteron 3260 HE versus 2.48 GHz on the Xeon L5520 — a 39.5% clock advantage for the Opteron 3260 HE (base: 2.7 GHz vs 2.26 GHz). The Opteron 3260 HE uses the Zurich (2012) architecture (32 nm), while the Xeon L5520 uses Gainestown (2009−2010) (45 nm). In PassMark, the Opteron 3260 HE scores 2,283 against the Xeon L5520's 2,274 — a 0.4% lead for the Opteron 3260 HE. L3 cache: 4 MB (total) on the Opteron 3260 HE vs 8 MB (total) on the Xeon L5520.

Feature	Opteron 3260 HE	Xeon L5520
Cores / Threads	4 / 4	4 / 8
Boost Clock	3.7 GHz+49%	2.48 GHz
Base Clock	2.7 GHz+19%	2.26 GHz
L3 Cache	4 MB (total)	8 MB (total)+100%
L2 Cache	4 MB+1500%	256 kB (per core)
Process	32 nm-29%	45 nm
Architecture	Zurich (2012)	Gainestown (2009−2010)
PassMark	2,283	2,274

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Memory & Platform

The Opteron 3260 HE uses the AM3+ socket (PCIe 2.0), while the Xeon L5520 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.