
Phenom II X4 X920 BE vs Xeon X6550

Phenom II X4 X920 BE

Xeon X6550
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 X920 BE is positioned at rank 308 and the Xeon X6550 is on rank 879, so the Phenom II X4 X920 BE 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 X920 BE
Performance Per Dollar Xeon X6550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 X920 BE | Xeon X6550 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | 🛑 Legacy (Legacy / 45 nm) |
💎 Value Proposition
| Insight | Phenom II X4 X920 BE | Xeon X6550 |
|---|---|---|
| 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 II X4 X920 BE and Xeon X6550

Phenom II X4 X920 BE
The Phenom II X4 X920 BE is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 4 cores and 4 threads. Max frequency: 2.3 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,935 points. Launch price was $149.

Xeon X6550
The Xeon X6550 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 16 threads. Base frequency is 2 GHz, with boost up to 2.4 GHz. L3 cache: 18 MB L3 Cache. Built on 45 nm process technology. Socket: LGA1567. Thermal design power (TDP): 130 Watt. Passmark benchmark score: 1,936 points. Launch price was $800.
Processing Power
The Phenom II X4 X920 BE packs 4 cores / 4 threads, while the Xeon X6550 offers 8 cores / 16 threads — the Xeon X6550 has 4 more cores. Boost clocks reach 2.3 GHz on the Phenom II X4 X920 BE versus 2.4 GHz on the Xeon X6550 — a 4.3% clock advantage for the Xeon X6550. The Phenom II X4 X920 BE is built on the Champlain (2010−2011) architecture. In PassMark, the Phenom II X4 X920 BE scores 1,935 against the Xeon X6550's 1,936 — a 0.1% lead for the Xeon X6550.
| Feature | Phenom II X4 X920 BE | Xeon X6550 |
|---|---|---|
| Cores / Threads | 4 / 4 | 8 / 16+100% |
| Boost Clock | 2.3 GHz | 2.4 GHz+4% |
| Base Clock | — | 2 GHz |
| L3 Cache | — | 18 MB L3 Cache |
| L2 Cache | 2 MB | — |
| Process | 45 nm | 45 nm |
| Architecture | Champlain (2010−2011) | — |
| PassMark | 1,935 | 1,936 |
Memory & Platform
The Phenom II X4 X920 BE uses the S1 socket (PCIe 2.0), while the Xeon X6550 uses LGA1567 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X4 X920 BE | Xeon X6550 |
|---|---|---|
| Socket | S1 | LGA1567 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | — | DDR3-1333 |
| RAM Channels | — | 4 |
| ECC Support | — | ✅ |
Advanced Features
Virtualization: not specified (Phenom II X4 X920 BE) / VT-x, VT-d, EPT (Xeon X6550). Primary use case: Xeon X6550 targets Server. Direct competitor: Xeon X6550 rivals Core i7-980X.
| Feature | Phenom II X4 X920 BE | Xeon X6550 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Server |
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