Xeon E5540 vs Athlon PRO 3045B
Xeon E5540
Athlon PRO 3045B
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 E5540 is positioned at rank 745 and the Athlon PRO 3045B is on rank 1177, so the Xeon E5540 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5540
Performance Per Dollar Athlon PRO 3045B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5540 | Athlon PRO 3045B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
| Longevity | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) | ✨ Modern (Dali (2020−2021) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5540 | Athlon PRO 3045B |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
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 E5540 and Athlon PRO 3045B
Xeon E5540
The Xeon E5540 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.53 GHz, with boost up to 2.8 GHz. L3 cache: 8 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: 2,805 points. Launch price was $30.
Athlon PRO 3045B
The Athlon PRO 3045B is manufactured by AMD. It was released in 2009-01-01. It is based on the Dali (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.3 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 2,770 points. Launch price was $149.
Processing Power
The Xeon E5540 packs 4 cores / 8 threads, while the Athlon PRO 3045B offers 2 cores / 4 threads — the Xeon E5540 has 2 more cores. Boost clocks reach 2.8 GHz on the Xeon E5540 versus 3.2 GHz on the Athlon PRO 3045B — a 13.3% clock advantage for the Athlon PRO 3045B (base: 2.53 GHz vs 2.3 GHz). The Xeon E5540 uses the Gainestown (2009−2010) architecture (45 nm), while the Athlon PRO 3045B uses Dali (2020−2021) (14 nm). In PassMark, the Xeon E5540 scores 2,805 against the Athlon PRO 3045B's 2,770 — a 1.3% lead for the Xeon E5540. L3 cache: 8 MB (total) on the Xeon E5540 vs 4 MB (total) on the Athlon PRO 3045B.
| Feature | Xeon E5540 | Athlon PRO 3045B |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 4 |
| Boost Clock | 2.8 GHz | 3.2 GHz+14% |
| Base Clock | 2.53 GHz+10% | 2.3 GHz |
| L3 Cache | 8 MB (total)+100% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 512 kB (per core)+100% |
| Process | 45 nm | 14 nm-69% |
| Architecture | Gainestown (2009−2010) | Dali (2020−2021) |
| PassMark | 2,805+1% | 2,770 |
Memory & Platform
The Xeon E5540 uses the LGA1366 socket (PCIe 2.0), while the Athlon PRO 3045B uses FP5 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5540 | Athlon PRO 3045B |
|---|---|---|
| Socket | LGA1366 | FP5 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 8 |
Advanced Features
The Athlon PRO 3045B includes integrated graphics (AMD Radeon Vega 3), while the Xeon E5540 requires a dedicated GPU.
| Feature | Xeon E5540 | Athlon PRO 3045B |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | AMD Radeon Vega 3 |
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