Atom C3558 vs Xeon E5606

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.

Atom C3558 vs Xeon E5606 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.

Atom C3558 vs Xeon E5606: Pros, Cons & Final Verdict

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

Atom C3558

2017

Why buy it

✅Draws 16W instead of 80W, a 64W reduction.
✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (2,431 vs 2,443).

Xeon E5606

2011

Why buy it

✅+0.5% higher PassMark.

Trade-offs

❌400% higher power demand at 80W vs 16W.

Quick Answers

So, is Atom C3558 better than Xeon E5606?

Not really, because they are built for different jobs. Xeon E5606 makes more sense for workstation-style multi-core throughput, while Atom C3558 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 E5606 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 4 threads.

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

Atom C3558 still makes the most sense overall. Atom C3558 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.6% average FPS lead across 50 shared CPU game tests in our data.

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

Atom C3558 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2011). That makes it the safer long-term bet.

Atom C3558 vs Xeon E5606 Technical Specifications

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

Atom C3558

The Atom C3558 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 8 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 16 Watt. Memory support: DDR4: 2133. Passmark benchmark score: 2,431 points. Launch price was $86.

Xeon E5606

The Xeon E5606 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.13 GHz, with boost up to 0.13 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,443 points. Launch price was $46.

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Processing Power

Both the Atom C3558 and Xeon E5606 share an identical 4-core/4-thread configuration. Boost clocks reach 2.2 GHz on the Atom C3558 versus 0.13 GHz on the Xeon E5606 — a 177.7% clock advantage for the Atom C3558 (base: 2.2 GHz vs 2.13 GHz). The Atom C3558 uses the Goldmont (2016−2017) architecture (14 nm), while the Xeon E5606 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Atom C3558 scores 2,431 against the Xeon E5606's 2,443 — a 0.5% lead for the Xeon E5606. L3 cache: 8 MB on the Atom C3558 vs 8 MB (total) on the Xeon E5606.

Feature	Atom C3558	Xeon E5606
Cores / Threads	4 / 4	4 / 4
Boost Clock	2.2 GHz+1592%	0.13 GHz
Base Clock	2.2 GHz+3%	2.13 GHz
L3 Cache	8 MB	8 MB (total)
L2 Cache	8 MB+3100%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Goldmont (2016−2017)	Westmere-EP (2010−2011)
PassMark	2,431	2,443

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Memory & Platform

The Atom C3558 uses the FCBGA1310 socket (PCIe 3.0), while the Xeon E5606 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom C3558	Xeon E5606
Socket	FCBGA1310	LGA1366
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2133	—
Max RAM Capacity	256 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	12	—