
Pentium 1403 vs Xeon E5345

Pentium 1403

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 Pentium 1403 is positioned at rank 404 and the Xeon E5345 is on rank 887, so the Pentium 1403 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 1403
Performance Per Dollar Xeon E5345
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 1403 | Xeon E5345 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Legacy / 32 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Pentium 1403 | Xeon E5345 |
|---|---|---|
| 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 Pentium 1403 and Xeon E5345

Pentium 1403
The Pentium 1403 is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 2.6 GHz. L3 cache: 5 MB. Built on 32 nm process technology. Thermal design power (TDP): 80 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 1,851 points. Launch price was $69.

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 Pentium 1403 packs 2 cores / 2 threads, while the Xeon E5345 offers 4 cores / 4 threads — the Xeon E5345 has 2 more cores. The Xeon E5345 is built on the Clovertown (2006−2007) architecture. In PassMark, the Pentium 1403 scores 1,851 against the Xeon E5345's 1,868 — a 0.9% lead for the Xeon E5345. L3 cache: 5 MB on the Pentium 1403 vs 8 MB L2 Cache on the Xeon E5345.
| Feature | Pentium 1403 | Xeon E5345 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | — | 0.33 GHz |
| Base Clock | 2.6 GHz+12% | 2.33 GHz |
| L3 Cache | 5 MB | 8 MB L2 Cache+60% |
| L2 Cache | — | 4 MB (total) |
| Process | 32 nm-51% | 65 nm |
| Architecture | — | Clovertown (2006−2007) |
| PassMark | 1,851 | 1,868 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















