Phenom II X4 850 vs Core 2 Duo P7550
Phenom II X4 850
Core 2 Duo P7550
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 Core 2 Duo P7550 is on rank 192, so the Core 2 Duo P7550 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 Core 2 Duo P7550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 850 | Core 2 Duo P7550 |
|---|---|---|
| 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) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Phenom II X4 850 | Core 2 Duo P7550 |
|---|---|---|
| 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 Core 2 Duo P7550
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.
Core 2 Duo P7550
The Core 2 Duo P7550 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.26 GHz, with boost up to 2.26 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,439 points. Launch price was $249.
Processing Power
The Phenom II X4 850 packs 4 cores / 4 threads, while the Core 2 Duo P7550 offers 2 cores / 2 threads — the Phenom II X4 850 has 2 more cores. Boost clocks reach 3.3 GHz on the Phenom II X4 850 versus 2.26 GHz on the Core 2 Duo P7550 — a 37.4% clock advantage for the Phenom II X4 850 (base: 3.3 GHz vs 2.26 GHz). The Phenom II X4 850 uses the Propus (2009−2011) architecture (45 nm), while the Core 2 Duo P7550 uses Penryn (2008−2011) (45 nm). In PassMark, the Phenom II X4 850 scores 2,441 against the Core 2 Duo P7550's 2,439 — a 0.1% lead for the Phenom II X4 850. L3 cache: 0 kB on the Phenom II X4 850 vs 3 MB L2 Cache on the Core 2 Duo P7550.
| Feature | Phenom II X4 850 | Core 2 Duo P7550 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 3.3 GHz+46% | 2.26 GHz |
| Base Clock | 3.3 GHz+46% | 2.26 GHz |
| L3 Cache | 0 kB | 3 MB L2 Cache |
| L2 Cache | 512 kB (per core) | 3 MB+500% |
| Process | 45 nm | 45 nm |
| Architecture | Propus (2009−2011) | Penryn (2008−2011) |
| PassMark | 2,441 | 2,439 |
Memory & Platform
The Phenom II X4 850 uses the AM3 socket (PCIe 2.0), while the Core 2 Duo P7550 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Phenom II X4 850 | Core 2 Duo P7550 |
|---|---|---|
| Socket | AM3 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
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