
Athlon II X3 450 vs Xeon E5345

Athlon II X3 450

Xeon E5345
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 II X3 450 is positioned at rank 761 and the Xeon E5345 is on rank 887, so the Athlon II X3 450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X3 450
Performance Per Dollar Xeon E5345
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 450 | Xeon E5345 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Athlon II X3 450 | Xeon E5345 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 II X3 450 and Xeon E5345

Athlon II X3 450
The Athlon II X3 450 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,865 points. Launch price was $45.

Xeon E5345
The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.
Processing Power
The Athlon II X3 450 packs 3 cores / 3 threads, while the Xeon E5345 offers 4 cores / 4 threads — the Xeon E5345 has 1 more core. Boost clocks reach 3.2 GHz on the Athlon II X3 450 versus 0.33 GHz on the Xeon E5345 — a 162.6% clock advantage for the Athlon II X3 450 (base: 3.2 GHz vs 2.33 GHz). The Athlon II X3 450 uses the Rana (2009−2011) architecture (45 nm), while the Xeon E5345 uses Clovertown (2006−2007) (65 nm). In PassMark, the Athlon II X3 450 scores 1,865 against the Xeon E5345's 1,868 — a 0.2% lead for the Xeon E5345. L3 cache: 0 kB on the Athlon II X3 450 vs 8 MB L2 Cache on the Xeon E5345.
| Feature | Athlon II X3 450 | Xeon E5345 |
|---|---|---|
| Cores / Threads | 3 / 3 | 4 / 4+33% |
| Boost Clock | 3.2 GHz+870% | 0.33 GHz |
| Base Clock | 3.2 GHz+37% | 2.33 GHz |
| L3 Cache | 0 kB | 8 MB L2 Cache |
| L2 Cache | 512 kB (per core) | 4 MB (total)+700% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Rana (2009−2011) | Clovertown (2006−2007) |
| PassMark | 1,865 | 1,868 |
| Geekbench 6 Single | 380 | — |
| Geekbench 6 Multi | 980 | — |
Memory & Platform
The Athlon II X3 450 uses the AM3 socket (PCIe 2.0), while the Xeon E5345 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon II X3 450 | Xeon E5345 |
|---|---|---|
| Socket | AM3 | LGA771 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: AMD-V (Athlon II X3 450) / not specified (Xeon E5345). Primary use case: Athlon II X3 450 targets Desktop.
| Feature | Athlon II X3 450 | Xeon E5345 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
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