Xeon E5503 vs Athlon 64 X2 6000+
Xeon E5503
Athlon 64 X2 6000+
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 Xeon E5503 is positioned at rank 895 and the Athlon 64 X2 6000+ is on rank 1077, 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 Xeon E5503
Performance Per Dollar Athlon 64 X2 6000+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5503 | Athlon 64 X2 6000+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) | 🛑 Legacy (Windsor (2006−2007) / 90 nm) |
💎 Value Proposition
| Insight | Xeon E5503 | Athlon 64 X2 6000+ |
|---|---|---|
| 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 Xeon E5503 and Athlon 64 X2 6000+
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.
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.
Processing Power
Both the Xeon E5503 and Athlon 64 X2 6000+ share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Xeon E5503 versus 3.1 GHz on the Athlon 64 X2 6000+ — a 43.1% clock advantage for the Athlon 64 X2 6000+. The Xeon E5503 uses the Gainestown (2009−2010) architecture (45 nm), while the Athlon 64 X2 6000+ uses Windsor (2006−2007) (90 nm). In PassMark, the Xeon E5503 scores 1,815 against the Athlon 64 X2 6000+'s 1,825 — a 0.5% lead for the Athlon 64 X2 6000+. L3 cache: 4 MB (total) on the Xeon E5503 vs 0 kB on the Athlon 64 X2 6000+.
| Feature | Xeon E5503 | Athlon 64 X2 6000+ |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz | 3.1 GHz+55% |
| Base Clock | 2 GHz | — |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 512K+100% |
| Process | 45 nm-50% | 90 nm |
| Architecture | Gainestown (2009−2010) | Windsor (2006−2007) |
| PassMark | 1,815 | 1,825 |
Memory & Platform
The Xeon E5503 uses the LGA1366 socket (PCIe 2.0), while the Athlon 64 X2 6000+ uses AM2 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Xeon E5503 | Athlon 64 X2 6000+ |
|---|---|---|
| Socket | LGA1366 | AM2 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
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