Xeon X5450 vs Atom C3558
Xeon X5450
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 Xeon X5450 is positioned at rank 807 and the Atom C3558 is on rank 365, so the Atom C3558 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5450
Performance Per Dollar Atom C3558
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5450 | Atom C3558 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | ✨ Modern (Goldmont (2016−2017) / 14 nm) |
💎 Value Proposition
| Insight | Xeon X5450 | Atom C3558 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Xeon X5450 and Atom C3558
Xeon X5450
The Xeon X5450 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 120 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,416 points. Launch price was $851.
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 Xeon X5450 and Atom C3558 share an identical 4-core/4-thread configuration. Boost clocks reach 3 GHz on the Xeon X5450 versus 2.2 GHz on the Atom C3558 — a 30.8% clock advantage for the Xeon X5450 (base: 3 GHz vs 2.2 GHz). The Xeon X5450 uses the Harpertown (2007−2008) architecture (45 nm), while the Atom C3558 uses Goldmont (2016−2017) (14 nm). In PassMark, the Xeon X5450 scores 2,416 against the Atom C3558's 2,431 — a 0.6% lead for the Atom C3558. L3 cache: 12 MB L2 Cache on the Xeon X5450 vs 8 MB on the Atom C3558.
| Feature | Xeon X5450 | Atom C3558 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3 GHz+36% | 2.2 GHz |
| Base Clock | 3 GHz+36% | 2.2 GHz |
| L3 Cache | 12 MB L2 Cache+50% | 8 MB |
| L2 Cache | 6 MB (total) | 8 MB+33% |
| Process | 45 nm | 14 nm-69% |
| Architecture | Harpertown (2007−2008) | Goldmont (2016−2017) |
| PassMark | 2,416 | 2,431 |
Memory & Platform
The Xeon X5450 uses the LGA771 socket (PCIe 2.0), while the Atom C3558 uses FCBGA1310 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon X5450 | Atom C3558 |
|---|---|---|
| Socket | LGA771 | 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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