CPU
GPU
Phenom X4 9850B
Xeon E5506
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 X4 9850B is positioned at rank 331 and the Xeon E5506 is on rank 875, so the Phenom X4 9850B offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom X4 9850B
Performance Per Dollar Xeon E5506
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom X4 9850B | Xeon E5506 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Agena (2007−2008) / 65 nm) | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Phenom X4 9850B | Xeon E5506 |
|---|---|---|
| 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 Phenom X4 9850B and Xeon E5506
Phenom X4 9850B
The Phenom X4 9850B is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.5 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,946 points. Launch price was $149.
Xeon E5506
The Xeon E5506 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 4 threads. Base frequency is 2.13 GHz, with boost up to 0.13 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,961 points. Launch price was $43.
Processing Power
Both the Phenom X4 9850B and Xeon E5506 share an identical 4-core/4-thread configuration. Boost clocks reach 2.5 GHz on the Phenom X4 9850B versus 0.13 GHz on the Xeon E5506 — a 180.2% clock advantage for the Phenom X4 9850B. The Phenom X4 9850B uses the Agena (2007−2008) architecture (65 nm), while the Xeon E5506 uses Gainestown (2009−2010) (45 nm). In PassMark, the Phenom X4 9850B scores 1,946 against the Xeon E5506's 1,961 — a 0.8% lead for the Xeon E5506. L3 cache: 2 MB (total) on the Phenom X4 9850B vs 4 MB (total) on the Xeon E5506.
| Feature | Phenom X4 9850B | Xeon E5506 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.5 GHz+1823% | 0.13 GHz |
| Base Clock | — | 2.13 GHz |
| L3 Cache | 2 MB (total) | 4 MB (total)+100% |
| L2 Cache | 512 kB (per core)+100% | 256 kB (per core) |
| Process | 65 nm | 45 nm-31% |
| Architecture | Agena (2007−2008) | Gainestown (2009−2010) |
| PassMark | 1,946 | 1,961 |
Memory & Platform
The Phenom X4 9850B uses the AM2+ socket (PCIe 2.0), while the Xeon E5506 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Phenom X4 9850B | Xeon E5506 |
|---|---|---|
| Socket | AM2+ | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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