Phenom II X4 850 vs Atom C3558
Phenom II X4 850
Atom C3558
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Phenom II X4 850 is positioned at rank 251 and the Atom C3558 is on rank 365, so the Phenom II X4 850 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X4 850
Performance Per Dollar Atom C3558
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 850 | Atom C3558 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($28) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Propus (2009−2011) / 45 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Phenom II X4 850 | Atom C3558 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($28) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Phenom II X4 850 and Atom C3558
Phenom II X4 850
The Phenom II X4 850 is manufactured by AMD. It was released in 1 June 2011 (14 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 0 kB. 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: 2,441 points. Launch price was $111.
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.
Processing Power
Both the Phenom II X4 850 and Atom C3558 share an identical 4-core/4-thread configuration. Boost clocks reach 3.3 GHz on the Phenom II X4 850 versus 2.2 GHz on the Atom C3558 — a 40% clock advantage for the Phenom II X4 850 (base: 3.3 GHz vs 2.2 GHz). The Phenom II X4 850 uses the Propus (2009−2011) architecture (45 nm), while the Atom C3558 uses Goldmont (2016−2017) (14 nm). In PassMark, the Phenom II X4 850 scores 2,441 against the Atom C3558's 2,431 — a 0.4% lead for the Phenom II X4 850. L3 cache: 0 kB on the Phenom II X4 850 vs 8 MB on the Atom C3558.
| Feature | Phenom II X4 850 | Atom C3558 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.3 GHz+50% | 2.2 GHz |
| Base Clock | 3.3 GHz+50% | 2.2 GHz |
| L3 Cache | 0 kB | 8 MB |
| L2 Cache | 512 kB (per core) | 8 MB+1500% |
| Process | 45 nm | 14 nm-69% |
| Architecture | Propus (2009−2011) | Goldmont (2016−2017) |
| PassMark | 2,441 | 2,431 |
Memory & Platform
The Phenom II X4 850 uses the AM3 socket (PCIe 2.0), while the Atom C3558 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X4 850 | Atom C3558 |
|---|---|---|
| Socket | AM3 | FCBGA1310 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 256 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 12 |
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