
Xeon L5430

Core 2 Duo T6500
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 L5430 is positioned at rank 972 and the Core 2 Duo T6500 is on rank 178, so the Core 2 Duo T6500 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5430
Performance Per Dollar Core 2 Duo T6500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5430 | Core 2 Duo T6500 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($380) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Xeon L5430 | Core 2 Duo T6500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($380) | ✅ 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 L5430 and Core 2 Duo T6500

Xeon L5430
The Xeon L5430 is manufactured by Intel. It was released in 8 September 2008 (17 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 50 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,260 points. Launch price was $562.

Core 2 Duo T6500
The Core 2 Duo T6500 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,249 points. Launch price was $249.
Processing Power
The Xeon L5430 packs 4 cores / 4 threads, while the Core 2 Duo T6500 offers 2 cores / 2 threads — the Xeon L5430 has 2 more cores. Boost clocks reach 0.67 GHz on the Xeon L5430 versus 2.1 GHz on the Core 2 Duo T6500 — a 103.2% clock advantage for the Core 2 Duo T6500 (base: 2.66 GHz vs 2.1 GHz). The Xeon L5430 uses the Harpertown (2007−2008) architecture (45 nm), while the Core 2 Duo T6500 uses Penryn (2008−2011) (45 nm). In PassMark, the Xeon L5430 scores 2,260 against the Core 2 Duo T6500's 2,249 — a 0.5% lead for the Xeon L5430. L3 cache: 12 MB L2 Cache on the Xeon L5430 vs 2 MB L2 Cache on the Core 2 Duo T6500.
| Feature | Xeon L5430 | Core 2 Duo T6500 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 0.67 GHz | 2.1 GHz+213% |
| Base Clock | 2.66 GHz+27% | 2.1 GHz |
| L3 Cache | 12 MB L2 Cache+500% | 2 MB L2 Cache |
| L2 Cache | 6 MB (total)+200% | 2 MB |
| Process | 45 nm | 45 nm |
| Architecture | Harpertown (2007−2008) | Penryn (2008−2011) |
| PassMark | 2,260 | 2,249 |
Memory & Platform
The Xeon L5430 uses the LGA771 socket (PCIe 2.0), while the Core 2 Duo T6500 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Xeon L5430 | Core 2 Duo T6500 |
|---|---|---|
| Socket | LGA771 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon L5430) / false (Core 2 Duo T6500).
| Feature | Xeon L5430 | Core 2 Duo T6500 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | false |
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