
Xeon E5503 vs A8-5550M

Xeon E5503

A8-5550M
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 A8-5550M is on rank 692, so the A8-5550M 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 A8-5550M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5503 | A8-5550M |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) | 🛑 Legacy (Richland (2013−2014) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E5503 | A8-5550M |
|---|---|---|
| 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 Xeon E5503 and A8-5550M

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.

A8-5550M
The A8-5550M is manufactured by AMD. It was released in 2014-01-01. It is based on the Richland (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FS1r2. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,811 points. Launch price was $90.
Processing Power
The Xeon E5503 packs 2 cores / 2 threads, while the A8-5550M offers 4 cores / 4 threads — the A8-5550M has 2 more cores. Boost clocks reach 2 GHz on the Xeon E5503 versus 3.1 GHz on the A8-5550M — a 43.1% clock advantage for the A8-5550M (base: 2 GHz vs 2.1 GHz). The Xeon E5503 uses the Gainestown (2009−2010) architecture (45 nm), while the A8-5550M uses Richland (2013−2014) (32 nm). In PassMark, the Xeon E5503 scores 1,815 against the A8-5550M's 1,811 — a 0.2% lead for the Xeon E5503. L3 cache: 4 MB (total) on the Xeon E5503 vs 0 kB on the A8-5550M.
| Feature | Xeon E5503 | A8-5550M |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2 GHz | 3.1 GHz+55% |
| Base Clock | 2 GHz | 2.1 GHz+5% |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 45 nm | 32 nm-29% |
| Architecture | Gainestown (2009−2010) | Richland (2013−2014) |
| PassMark | 1,815 | 1,811 |
Memory & Platform
The Xeon E5503 uses the LGA1366 socket (PCIe 2.0), while the A8-5550M uses FS1r2 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5503 | A8-5550M |
|---|---|---|
| Socket | LGA1366 | FS1r2 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | 1600 |
| Max RAM Capacity | — | 16 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E5503) / true (A8-5550M). The A8-5550M includes integrated graphics (Radeon HD 8510G / 8550G), while the Xeon E5503 requires a dedicated GPU. Direct competitor: A8-5550M rivals Core i3-4000M.
| Feature | Xeon E5503 | A8-5550M |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon HD 8510G / 8550G |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
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