CPU
GPU
Core 2 Quad Q8400
Xeon X3320
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 Core 2 Quad Q8400 is positioned at rank 975 and the Xeon X3320 is on rank 858, so the Xeon X3320 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Quad Q8400
Performance Per Dollar Xeon X3320
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Quad Q8400 | Xeon X3320 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($128) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Yorkfield (2007−2009) / 45 nm) | 🛑 Legacy (Legacy / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Quad Q8400 | Xeon X3320 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($128) | ✅ 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 Core 2 Quad Q8400 and Xeon X3320
Core 2 Quad Q8400
The Core 2 Quad Q8400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 0 kB. L2 cache: 4 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,076 points. Launch price was $249.
Xeon X3320
The Xeon X3320 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 2.5 GHz. L3 cache: 6 MB L2 Cache. Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 2,082 points. Launch price was $800.
Processing Power
The Core 2 Quad Q8400 is built on the Yorkfield (2007−2009) architecture. In PassMark, the Core 2 Quad Q8400 scores 2,076 against the Xeon X3320's 2,082 — a 0.3% lead for the Xeon X3320. L3 cache: 0 kB on the Core 2 Quad Q8400 vs 6 MB L2 Cache on the Xeon X3320.
| Feature | Core 2 Quad Q8400 | Xeon X3320 |
|---|---|---|
| Cores / Threads | 4 / 4 | — |
| Boost Clock | 0.67 GHz | — |
| Base Clock | 2.66 GHz+6% | 2.5 GHz |
| L3 Cache | 0 kB | 6 MB L2 Cache |
| L2 Cache | 4 MB (total) | — |
| Process | 45 nm | 45 nm |
| Architecture | Yorkfield (2007−2009) | — |
| PassMark | 2,076 | 2,082 |
| Cinebench R23 Multi | 852 | — |
| Geekbench 6 Single | 369 | — |
| Geekbench 6 Multi | 1,155 | — |
Memory & Platform
Both processors use the LGA775 socket with PCIe 1.1.
| Feature | Core 2 Quad Q8400 | Xeon X3320 |
|---|---|---|
| Socket | LGA775 | LGA775 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR3 1333 MHz | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: true (Core 2 Quad Q8400) / not specified (Xeon X3320). Primary use case: Core 2 Quad Q8400 targets Desktop.
| Feature | Core 2 Quad Q8400 | Xeon X3320 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
| Target Use | Desktop | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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