PRO A8-8650B vs Xeon W3550

PRO A8-8650B vs Xeon W3550 Performance Spectrum

PRO A8-8650B

4 / 4

3,230

0.0%

Ryzen Threadripper 3990X

Xeon W3550

4 / 8

3,251

+0.7%

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.

PRO A8-8650B 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.

PRO A8-8650B 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.

PRO A8-8650B

2015

Why buy it

✅Draws 65W instead of 130W, a 65W reduction.

Trade-offs

❌Lower PassMark (3,230 vs 3,251).
❌Less compelling for workstation-style loads than Xeon W3550, which brings 4 cores / 8 threads.

Xeon W3550

2009

Why buy it

✅+0.7% higher PassMark.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌Launch MSRP is still $294 MSRP, while PRO A8-8650B mostly shows up through inconsistent older-market listings.
❌100% higher power demand at 130W vs 65W.

Quick Answers

So, is PRO A8-8650B better than Xeon W3550?

Not really, because they are built for different jobs. Xeon W3550 makes more sense for workstation-style multi-core throughput, while PRO A8-8650B is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon W3550 is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 8 threads.

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

PRO A8-8650B is still the faster CPU overall, but Xeon W3550 is easier to justify if budget matters more than peak performance. PRO A8-8650B comes in at an unclear MSRP at unclear MSRP versus $294 MSRP, and it still gives you a 2.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon W3550 is still stronger for heavier multi-core work with 0.7% better PassMark. Xeon W3550 is also 100.0% better value on MSRP (11.1 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

PRO A8-8650B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2009). That makes it the safer long-term bet.

PRO A8-8650B vs Xeon W3550 Technical Specifications

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

PRO A8-8650B

The PRO A8-8650B is manufactured by AMD. It was released in 29 September 2015 (10 years ago). It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.9 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,230 points. Launch price was $69.

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 PRO A8-8650B packs 4 cores / 4 threads, matching the Xeon W3550's 4 cores. Boost clocks reach 3.9 GHz on the PRO A8-8650B versus 3.33 GHz on the Xeon W3550 — a 15.8% clock advantage for the PRO A8-8650B (base: 3.2 GHz vs 3.06 GHz). The PRO A8-8650B uses the Godaveri (2014−2016) architecture (28 nm), while the Xeon W3550 uses Bloomfield (2008−2010) (45 nm). In PassMark, the PRO A8-8650B scores 3,230 against the Xeon W3550's 3,251 — a 0.6% lead for the Xeon W3550.

Feature	PRO A8-8650B	Xeon W3550
Cores / Threads	4 / 4	4 / 8
Boost Clock	3.9 GHz+17%	3.33 GHz
Base Clock	3.2 GHz+5%	3.06 GHz
L3 Cache	—	8 MB (total)
L2 Cache	4096 kB+1500%	256 kB (per core)
Process	28 nm-38%	45 nm
Architecture	Godaveri (2014−2016)	Bloomfield (2008−2010)
PassMark	3,230	3,251

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Memory & Platform

The PRO A8-8650B uses the FM2+ socket (PCIe 3.0), while the Xeon W3550 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.