CPU
GPU
Xeon 2.66
Sempron LE-1300
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 2.66 is positioned at rank 1028 and the Sempron LE-1300 is on rank 905, so the Sempron LE-1300 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon 2.66
Performance Per Dollar Sempron LE-1300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 2.66 | Sempron LE-1300 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Prestonia (2002) / 130 nm) | 🛑 Legacy (Sparta (2007) / 65 nm) |
💎 Value Proposition
| Insight | Xeon 2.66 | Sempron LE-1300 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ 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 Xeon 2.66 and Sempron LE-1300
Xeon 2.66
The Xeon 2.66 is manufactured by Intel. It was released in 2015-01-01. It is based on the Prestonia (2002) architecture. It features 1 cores and 1 threads. Max frequency: 2.66 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA604. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 445 points. Launch price was $800.
Sempron LE-1300
The Sempron LE-1300 is manufactured by AMD. It was released in Outubro 2007 (18 years ago). It is based on the Sparta (2007) architecture. It features 1 cores and 1 threads. Max frequency: 2.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 438 points. Launch price was $12.
Processing Power
Both the Xeon 2.66 and Sempron LE-1300 share an identical 1-core/1-thread configuration. Boost clocks reach 2.66 GHz on the Xeon 2.66 versus 2.3 GHz on the Sempron LE-1300 — a 14.5% clock advantage for the Xeon 2.66. The Xeon 2.66 uses the Prestonia (2002) architecture (130 nm), while the Sempron LE-1300 uses Sparta (2007) (65 nm). In PassMark, the Xeon 2.66 scores 445 against the Sempron LE-1300's 438 — a 1.6% lead for the Xeon 2.66. Both processors carry 0 kB of L3 cache.
| Feature | Xeon 2.66 | Sempron LE-1300 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.66 GHz+16% | 2.3 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512 kB |
| Process | 130 nm | 65 nm-50% |
| Architecture | Prestonia (2002) | Sparta (2007) |
| PassMark | 445+2% | 438 |
Memory & Platform
The Xeon 2.66 uses the PGA604 socket (PCIe 2.0), while the Sempron LE-1300 uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon 2.66 | Sempron LE-1300 |
|---|---|---|
| Socket | PGA604 | AM2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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