Athlon X4 870K vs Xeon W5580

Athlon X4 870K vs Xeon W5580 Performance Spectrum

Athlon X4 870K

4 / 4

3,443

0.0%

Ryzen Threadripper 3990X

Xeon W5580

4 / 8

3,459

+0.5%

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.

Athlon X4 870K vs Xeon W5580 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.

Athlon X4 870K vs Xeon W5580: Pros, Cons & Final Verdict

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

Athlon X4 870K

2015

Why buy it

✅Draws 95W instead of 130W, a 35W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (3,443 vs 3,459).
❌Less compelling for workstation-style loads than Xeon W5580, which brings 4 cores / 8 threads.
❌Launch MSRP is still $90 MSRP, while Xeon W5580 mostly shows up through inconsistent older-market listings.

Xeon W5580

2009

Why buy it

✅+0.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.

Trade-offs

❌36.8% higher power demand at 130W vs 95W.

Quick Answers

So, is Athlon X4 870K better than Xeon W5580?

Not really, because they are built for different jobs. Xeon W5580 makes more sense for workstation-style multi-core throughput, while Athlon X4 870K 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 W5580 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 8 threads.

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

Athlon X4 870K is the better buy right now. Athlon X4 870K comes in at an unclear MSRP at $90 MSRP versus unclear MSRP, and it still gives you a 1.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon W5580 is still stronger for heavier multi-core work with 0.5% better PassMark. It is also 100.0% better value on MSRP (38.3 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon X4 870K 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.

Athlon X4 870K vs Xeon W5580 Technical Specifications

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

Athlon X4 870K

The Athlon X4 870K is manufactured by AMD. It was released in 2009-01-01. It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.9 GHz, with boost up to 4.1 GHz. L2 cache: 4 MB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,443 points. Launch price was $149.

Xeon W5580

The Xeon W5580 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 3.2 GHz, with boost up to 3.46 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: 3,459 points. Launch price was $102.

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Processing Power

The Athlon X4 870K packs 4 cores / 4 threads, matching the Xeon W5580's 4 cores. Boost clocks reach 4.1 GHz on the Athlon X4 870K versus 3.46 GHz on the Xeon W5580 — a 16.9% clock advantage for the Athlon X4 870K (base: 3.9 GHz vs 3.2 GHz). The Athlon X4 870K uses the Godaveri (2014−2016) architecture (28 nm), while the Xeon W5580 uses Gainestown (2009−2010) (45 nm). In PassMark, the Athlon X4 870K scores 3,443 against the Xeon W5580's 3,459 — a 0.5% lead for the Xeon W5580.

Feature	Athlon X4 870K	Xeon W5580
Cores / Threads	4 / 4	4 / 8
Boost Clock	4.1 GHz+18%	3.46 GHz
Base Clock	3.9 GHz+22%	3.2 GHz
L3 Cache	—	8 MB (total)
L2 Cache	4 MB+1500%	256 kB (per core)
Process	28 nm-38%	45 nm
Architecture	Godaveri (2014−2016)	Gainestown (2009−2010)
PassMark	3,443	3,459

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Memory & Platform

The Athlon X4 870K uses the FM2+ socket (PCIe 3.0), while the Xeon W5580 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.