
Xeon X5365 vs Core 2 Duo T6600

Xeon X5365

Core 2 Duo T6600
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 X5365 is positioned at rank 823 and the Core 2 Duo T6600 is on rank 13, so the Core 2 Duo T6600 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5365
Performance Per Dollar Core 2 Duo T6600
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5365 | Core 2 Duo T6600 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($4) |
| Longevity | 🛑 Legacy (Legacy / 65 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Xeon X5365 | Core 2 Duo T6600 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($4) |
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 X5365 and Core 2 Duo T6600

Xeon X5365
The Xeon X5365 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 3 GHz. L3 cache: 8 MB L2 Cache. Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 150 Watt. Passmark benchmark score: 2,331 points. Launch price was $800.

Core 2 Duo T6600
The Core 2 Duo T6600 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 2.2 GHz, with boost up to 2.2 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: 2,355 points. Launch price was $249.
Processing Power
The Core 2 Duo T6600 is built on the Penryn (2008−2011) architecture. In PassMark, the Xeon X5365 scores 2,331 against the Core 2 Duo T6600's 2,355 — a 1% lead for the Core 2 Duo T6600. L3 cache: 8 MB L2 Cache on the Xeon X5365 vs 2 MB L2 Cache on the Core 2 Duo T6600.
| Feature | Xeon X5365 | Core 2 Duo T6600 |
|---|---|---|
| Cores / Threads | — | 2 / 2 |
| Boost Clock | — | 2.2 GHz |
| Base Clock | 3 GHz+36% | 2.2 GHz |
| L3 Cache | 8 MB L2 Cache+300% | 2 MB L2 Cache |
| L2 Cache | — | 2 MB |
| Process | 65 nm | 45 nm-31% |
| Architecture | — | Penryn (2008−2011) |
| PassMark | 2,331 | 2,355+1% |
| Geekbench 6 Single | — | 200 |
| Geekbench 6 Multi | — | 350 |
Memory & Platform
The Xeon X5365 uses the LGA771 socket (PCIe 5.0), while the Core 2 Duo T6600 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Xeon X5365 | Core 2 Duo T6600 |
|---|---|---|
| Socket | LGA771 | PGA478 |
| PCIe Generation | PCIe 5.0+355% | PCIe 1.1 |
| Max RAM Speed | — | DDR3-800 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Xeon X5365) / VT-x (Core 2 Duo T6600). Primary use case: Core 2 Duo T6600 targets Legacy Laptop.
| Feature | Xeon X5365 | Core 2 Duo T6600 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Legacy Laptop |
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