Atom C3558 vs Phenom II X4 B95

Atom C3558 vs Phenom II X4 B95 Performance Spectrum

Atom C3558

4 / 4

2,431

+0.2%

Core i3-4010Y

Celeron Dual-Core T1500

Pentium Dual Core T2410

2,427

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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.

Atom C3558 vs Phenom II X4 B95 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 Phenom II X4 B95: 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

✅+0.2% higher PassMark.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Draws 16W instead of 95W, a 79W reduction.
✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.

Trade-offs

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

Phenom II X4 B95

2009

Why buy it

Trade-offs

❌Lower PassMark (2,427 vs 2,431).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌493.8% higher power demand at 95W vs 16W.

Quick Answers

So, is Atom C3558 better than Phenom II X4 B95?

It depends on what you want from the system. For gaming, Phenom II X4 B95 is ahead with a 1.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom C3558 pulls ahead with 0.2% better PassMark. Atom C3558 also has the bigger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

For streaming, content creation, and heavier multitasking, Atom C3558 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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 0.2% better PassMark.

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 2009), 33.3% larger total L3 cache (8 MB vs 6 MB), and more multi-core headroom with 4 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom C3558 vs Phenom II X4 B95 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.

Phenom II X4 B95

The Phenom II X4 B95 is manufactured by AMD. It was released in 1 October 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,427 points. Launch price was $80.

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Processing Power

Both the Atom C3558 and Phenom II X4 B95 share an identical 4-core/4-thread configuration. Boost clocks reach 2.2 GHz on the Atom C3558 versus 3 GHz on the Phenom II X4 B95 — a 30.8% clock advantage for the Phenom II X4 B95 (base: 2.2 GHz vs 3 GHz). The Atom C3558 uses the Goldmont (2016−2017) architecture (14 nm), while the Phenom II X4 B95 uses Deneb (2009−2011) (45 nm). In PassMark, the Atom C3558 scores 2,431 against the Phenom II X4 B95's 2,427 — a 0.2% lead for the Atom C3558. L3 cache: 8 MB on the Atom C3558 vs 6 MB (total) on the Phenom II X4 B95.

Feature	Atom C3558	Phenom II X4 B95
Cores / Threads	4 / 4	4 / 4
Boost Clock	2.2 GHz	3 GHz+36%
Base Clock	2.2 GHz	3 GHz+36%
L3 Cache	8 MB+33%	6 MB (total)
L2 Cache	8 MB+1500%	512 kB (per core)
Process	14 nm-69%	45 nm
Architecture	Goldmont (2016−2017)	Deneb (2009−2011)
PassMark	2,431	2,427

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Memory & Platform

The Atom C3558 uses the FCBGA1310 socket (PCIe 3.0), while the Phenom II X4 B95 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom C3558	Phenom II X4 B95
Socket	FCBGA1310	AM3
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	—