CPU
GPU
Athlon 64 X2 6000+
Xeon E5503
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 Athlon 64 X2 6000+ is positioned at rank 1077 and the Xeon E5503 is on rank 895, so the Xeon E5503 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 64 X2 6000+
Performance Per Dollar Xeon E5503
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 X2 6000+ | Xeon E5503 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($20) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Windsor (2006−2007) / 90 nm) | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Athlon 64 X2 6000+ | Xeon E5503 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($20) | ✅ 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 Athlon 64 X2 6000+ and Xeon E5503
Athlon 64 X2 6000+
The Athlon 64 X2 6000+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 3.1 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 125 Watt. Passmark benchmark score: 1,825 points. Launch price was $149.
Xeon E5503
The Xeon E5503 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Gainestown (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 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: 1,815 points. Launch price was $287.
Processing Power
Both the Athlon 64 X2 6000+ and Xeon E5503 share an identical 2-core/2-thread configuration. Boost clocks reach 3.1 GHz on the Athlon 64 X2 6000+ versus 2 GHz on the Xeon E5503 — a 43.1% clock advantage for the Athlon 64 X2 6000+. The Athlon 64 X2 6000+ uses the Windsor (2006−2007) architecture (90 nm), while the Xeon E5503 uses Gainestown (2009−2010) (45 nm). In PassMark, the Athlon 64 X2 6000+ scores 1,825 against the Xeon E5503's 1,815 — a 0.5% lead for the Athlon 64 X2 6000+. L3 cache: 0 kB on the Athlon 64 X2 6000+ vs 4 MB (total) on the Xeon E5503.
| Feature | Athlon 64 X2 6000+ | Xeon E5503 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.1 GHz+55% | 2 GHz |
| Base Clock | — | 2 GHz |
| L3 Cache | 0 kB | 4 MB (total) |
| L2 Cache | 512K+100% | 256 kB (per core) |
| Process | 90 nm | 45 nm-50% |
| Architecture | Windsor (2006−2007) | Gainestown (2009−2010) |
| PassMark | 1,825 | 1,815 |
Memory & Platform
The Athlon 64 X2 6000+ uses the AM2 socket (PCIe 1.1), while the Xeon E5503 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon 64 X2 6000+ | Xeon E5503 |
|---|---|---|
| Socket | AM2 | LGA1366 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-800 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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