
Phenom II X2 550

Core 2 Duo E8200
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 X2 550 is positioned at rank 516 and the Core 2 Duo E8200 is on rank 1048, so the Phenom II X2 550 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 X2 550
Performance Per Dollar Core 2 Duo E8200
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X2 550 | Core 2 Duo E8200 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Callisto (2009−2010) / 45 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Phenom II X2 550 | Core 2 Duo E8200 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 X2 550 and Core 2 Duo E8200

Phenom II X2 550
The Phenom II X2 550 is manufactured by AMD. It was released in 4 November 2009 (16 years ago). It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,142 points. Launch price was $133.

Core 2 Duo E8200
The Core 2 Duo E8200 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,144 points. Launch price was $249.
Processing Power
Both the Phenom II X2 550 and Core 2 Duo E8200 share an identical 2-core/2-thread configuration. Boost clocks reach 3.1 GHz on the Phenom II X2 550 versus 2.67 GHz on the Core 2 Duo E8200 — a 14.9% clock advantage for the Phenom II X2 550 (base: 3.1 GHz vs 2.66 GHz). The Phenom II X2 550 uses the Callisto (2009−2010) architecture (45 nm), while the Core 2 Duo E8200 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Phenom II X2 550 scores 1,142 against the Core 2 Duo E8200's 1,144 — a 0.2% lead for the Core 2 Duo E8200. L3 cache: 6 MB (total) on the Phenom II X2 550 vs 0 kB on the Core 2 Duo E8200.
| Feature | Phenom II X2 550 | Core 2 Duo E8200 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.1 GHz+16% | 2.67 GHz |
| Base Clock | 3.1 GHz+17% | 2.66 GHz |
| L3 Cache | 6 MB (total) | 0 kB |
| L2 Cache | 512 kB (per core) | 6 MB (total)+1100% |
| Process | 45 nm | 45 nm |
| Architecture | Callisto (2009−2010) | Wolfdale (2008−2010) |
| PassMark | 1,142 | 1,144 |
| Geekbench 6 Single | — | 350 |
| Geekbench 6 Multi | — | 650 |
Memory & Platform
The Phenom II X2 550 uses the AM3 socket (PCIe 2.0), while the Core 2 Duo E8200 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Phenom II X2 550 | Core 2 Duo E8200 |
|---|---|---|
| Socket | AM3 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Phenom II X2 550) / VT-x (Core 2 Duo E8200). Primary use case: Core 2 Duo E8200 targets Legacy Desktop. Direct competitor: Core 2 Duo E8200 rivals Phenom II X2 550.
| Feature | Phenom II X2 550 | Core 2 Duo E8200 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Legacy Desktop |
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