Core 2 Quad Q9450 vs Phenom II X4 920
Core 2 Quad Q9450
Phenom II X4 920
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 Q9450 is positioned at rank 1049 and the Phenom II X4 920 is on rank 289, so the Phenom II X4 920 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 Q9450
Performance Per Dollar Phenom II X4 920
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Quad Q9450 | Phenom II X4 920 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Yorkfield (2007−2009) / 45 nm) | 🛑 Legacy (Deneb (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Quad Q9450 | Phenom II X4 920 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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.
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of Core 2 Quad Q9450 and Phenom II X4 920
Core 2 Quad Q9450
The Core 2 Quad Q9450 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 2.67 GHz. L3 cache: 0 kB. L2 cache: 12 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,208 points. Launch price was $249.
Phenom II X4 920
The Phenom II X4 920 is manufactured by AMD. It was released in 8 January 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 2,202 points. Launch price was $90.
Processing Power
Both the Core 2 Quad Q9450 and Phenom II X4 920 share an identical 4-core/4-thread configuration. Boost clocks reach 2.67 GHz on the Core 2 Quad Q9450 versus 2.8 GHz on the Phenom II X4 920 — a 4.8% clock advantage for the Phenom II X4 920 (base: 2.66 GHz vs 2.8 GHz). The Core 2 Quad Q9450 uses the Yorkfield (2007−2009) architecture (45 nm), while the Phenom II X4 920 uses Deneb (2009−2011) (45 nm). In PassMark, the Core 2 Quad Q9450 scores 2,208 against the Phenom II X4 920's 2,202 — a 0.3% lead for the Core 2 Quad Q9450. L3 cache: 0 kB on the Core 2 Quad Q9450 vs 6 MB (total) on the Phenom II X4 920.
| Feature | Core 2 Quad Q9450 | Phenom II X4 920 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.67 GHz | 2.8 GHz+5% |
| Base Clock | 2.66 GHz | 2.8 GHz+5% |
| L3 Cache | 0 kB | 6 MB (total) |
| L2 Cache | 12 MB (total)+2300% | 512 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Yorkfield (2007−2009) | Deneb (2009−2011) |
| PassMark | 2,208 | 2,202 |
Memory & Platform
The Core 2 Quad Q9450 uses the LGA775 socket (PCIe 1.1), while the Phenom II X4 920 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Quad Q9450 | Phenom II X4 920 |
|---|---|---|
| Socket | LGA775 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
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