
Xeon E5345 vs PRO A6-8550B

Xeon E5345

PRO A6-8550B
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 E5345 is positioned at rank 887 and the PRO A6-8550B is on rank 523, so the PRO A6-8550B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5345
Performance Per Dollar PRO A6-8550B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5345 | PRO A6-8550B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) | 🛑 Legacy (Godaveri (2014−2016) / 28 nm) |
💎 Value Proposition
| Insight | Xeon E5345 | PRO A6-8550B |
|---|---|---|
| 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 E5345 and PRO A6-8550B

Xeon E5345
The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.

PRO A6-8550B
The PRO A6-8550B is manufactured by AMD. It was released in 29 September 2015 (10 years ago). It is based on the Godaveri (2014−2016) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 4 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-2133. Passmark benchmark score: 1,882 points. Launch price was $69.
Processing Power
The Xeon E5345 packs 4 cores / 4 threads, while the PRO A6-8550B offers 2 cores / 2 threads — the Xeon E5345 has 2 more cores. Boost clocks reach 0.33 GHz on the Xeon E5345 versus 4 GHz on the PRO A6-8550B — a 169.5% clock advantage for the PRO A6-8550B (base: 2.33 GHz vs 3.5 GHz). The Xeon E5345 uses the Clovertown (2006−2007) architecture (65 nm), while the PRO A6-8550B uses Godaveri (2014−2016) (28 nm). In PassMark, the Xeon E5345 scores 1,868 against the PRO A6-8550B's 1,882 — a 0.7% lead for the PRO A6-8550B.
| Feature | Xeon E5345 | PRO A6-8550B |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 0.33 GHz | 4 GHz+1112% |
| Base Clock | 2.33 GHz | 3.5 GHz+50% |
| L3 Cache | 8 MB L2 Cache | — |
| L2 Cache | 4 MB (total)+300% | 1024 kB |
| Process | 65 nm | 28 nm-57% |
| Architecture | Clovertown (2006−2007) | Godaveri (2014−2016) |
| PassMark | 1,868 | 1,882 |
Memory & Platform
The Xeon E5345 uses the LGA771 socket (PCIe 2.0), while the PRO A6-8550B uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5345 | PRO A6-8550B |
|---|---|---|
| Socket | LGA771 | FM2+ |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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