Core 2 Quad Q9450 vs Celeron G5900T
Core 2 Quad Q9450
Celeron G5900T
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. The Core 2 Quad Q9450 is positioned at rank #1049 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Quad Q9450
Performance Per Dollar Celeron G5900T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Quad Q9450 | Celeron G5900T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($50) |
| Longevity | 🛑 Legacy (Yorkfield (2007−2009) / 45 nm) | ✨ Modern (Legacy / 14 nm) |
💎 Value Proposition
| Insight | Core 2 Quad Q9450 | Celeron G5900T |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+236%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($50) |
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 Q9450 and Celeron G5900T
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.
Celeron G5900T
The Celeron G5900T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 3.2 GHz. L3 cache: 2 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 2,192 points. Launch price was $69.
Processing Power
The Core 2 Quad Q9450 packs 4 cores / 4 threads, while the Celeron G5900T offers 2 cores / 2 threads — the Core 2 Quad Q9450 has 2 more cores. The Core 2 Quad Q9450 is built on the Yorkfield (2007−2009) architecture. In PassMark, the Core 2 Quad Q9450 scores 2,208 against the Celeron G5900T's 2,192 — a 0.7% lead for the Core 2 Quad Q9450. L3 cache: 0 kB on the Core 2 Quad Q9450 vs 2 MB Intel® Smart Cache on the Celeron G5900T.
| Feature | Core 2 Quad Q9450 | Celeron G5900T |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.67 GHz | — |
| Base Clock | 2.66 GHz | 3.2 GHz+20% |
| L3 Cache | 0 kB | 2 MB Intel® Smart Cache |
| L2 Cache | 12 MB (total) | — |
| Process | 45 nm | 14 nm-69% |
| Architecture | Yorkfield (2007−2009) | — |
| PassMark | 2,208 | 2,192 |
| Geekbench 6 Single | — | 748 |
| Geekbench 6 Multi | — | 750 |
Memory & Platform
The Core 2 Quad Q9450 uses the LGA775 socket (PCIe 1.1), while the Celeron G5900T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Quad Q9450 | Celeron G5900T |
|---|---|---|
| Socket | LGA775 | LGA1200 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core 2 Quad Q9450) / VT-x (Celeron G5900T). The Celeron G5900T includes integrated graphics (UHD Graphics 610), while the Core 2 Quad Q9450 requires a dedicated GPU. Primary use case: Celeron G5900T targets Budget. Direct competitor: Celeron G5900T rivals Pentium Gold G6400T.
| Feature | Core 2 Quad Q9450 | Celeron G5900T |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics 610 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
Value Analysis
The Core 2 Quad Q9450 launched at $316 MSRP, while the Celeron G5900T debuted at $42. At current prices ($15 vs $50), the Core 2 Quad Q9450 is $35 cheaper. In terms of value (PassMark points per dollar), the Core 2 Quad Q9450 delivers 147.2 pts/$ vs 43.8 pts/$ for the Celeron G5900T — making the Core 2 Quad Q9450 the 108.2% better value option.
| Feature | Core 2 Quad Q9450 | Celeron G5900T |
|---|---|---|
| MSRP | $316 | $42-87% |
| Avg Price (30d) | $15-70% | $50 |
| Performance per Dollar | 147.2+236% | 43.8 |
| Release Date | 2008 | 2020 |
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