CPU
GPU
Xeon X3330
Core 2 Duo T6400
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 X3330 is positioned at rank 854 and the Core 2 Duo T6400 is on rank 49, so the Core 2 Duo T6400 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X3330
Performance Per Dollar Core 2 Duo T6400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X3330 | Core 2 Duo T6400 |
|---|---|---|
| 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 / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Xeon X3330 | Core 2 Duo T6400 |
|---|---|---|
| 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 Xeon X3330 and Core 2 Duo T6400
Xeon X3330
The Xeon X3330 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 2.66 GHz. L3 cache: 6 MB L2 Cache. Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 2,102 points. Launch price was $800.
Core 2 Duo T6400
The Core 2 Duo T6400 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 GHz, with boost up to 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: 2,115 points. Launch price was $249.
Processing Power
The Core 2 Duo T6400 is built on the Penryn (2008−2011) architecture. In PassMark, the Xeon X3330 scores 2,102 against the Core 2 Duo T6400's 2,115 — a 0.6% lead for the Core 2 Duo T6400. L3 cache: 6 MB L2 Cache on the Xeon X3330 vs 2 MB L2 Cache on the Core 2 Duo T6400.
| Feature | Xeon X3330 | Core 2 Duo T6400 |
|---|---|---|
| Cores / Threads | — | 2 / 2 |
| Boost Clock | — | 2 GHz |
| Base Clock | 2.66 GHz+33% | 2 GHz |
| L3 Cache | 6 MB L2 Cache+200% | 2 MB L2 Cache |
| L2 Cache | — | 2 MB |
| Process | 45 nm | 45 nm |
| Architecture | — | Penryn (2008−2011) |
| PassMark | 2,102 | 2,115 |
| Geekbench 6 Single | — | 650 |
| Geekbench 6 Multi | — | 1,300 |
Memory & Platform
The Xeon X3330 uses the LGA775 socket (PCIe 2.0), while the Core 2 Duo T6400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Xeon X3330 | Core 2 Duo T6400 |
|---|---|---|
| Socket | LGA775 | 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 | — | 0 |
Advanced Features
Virtualization: not specified (Xeon X3330) / No (Core 2 Duo T6400). Primary use case: Core 2 Duo T6400 targets Mobile.
| Feature | Xeon X3330 | Core 2 Duo T6400 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | No |
| Target Use | — | Mobile |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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