
Celeron G5900T vs Core 2 Quad Q9505

Celeron G5900T

Core 2 Quad Q9505
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G5900T
Performance Per Dollar Core 2 Quad Q9505
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G5900T | Core 2 Quad Q9505 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($50) | ⚠️ Higher cost ($150) |
| Longevity | ✨ Modern (Legacy / 14 nm) | 🛑 Legacy (Yorkfield (2007−2009) / 45 nm) |
💎 Value Proposition
| Insight | Celeron G5900T | Core 2 Quad Q9505 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+202%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($50) | ⚠️ Higher cost ($150) |
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 Celeron G5900T and Core 2 Quad Q9505

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.

Core 2 Quad Q9505
The Core 2 Quad Q9505 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 2.83 GHz, with boost up to 0.83 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,176 points. Launch price was $249.
Processing Power
The Celeron G5900T packs 2 cores / 2 threads, while the Core 2 Quad Q9505 offers 4 cores / 4 threads — the Core 2 Quad Q9505 has 2 more cores. The Core 2 Quad Q9505 is built on the Yorkfield (2007−2009) architecture. In PassMark, the Celeron G5900T scores 2,192 against the Core 2 Quad Q9505's 2,176 — a 0.7% lead for the Celeron G5900T. L3 cache: 2 MB Intel® Smart Cache on the Celeron G5900T vs 6 MB L2 Cache on the Core 2 Quad Q9505.
| Feature | Celeron G5900T | Core 2 Quad Q9505 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | — | 0.83 GHz |
| Base Clock | 3.2 GHz+13% | 2.83 GHz |
| L3 Cache | 2 MB Intel® Smart Cache | 6 MB L2 Cache+200% |
| L2 Cache | — | 6 MB (total) |
| Process | 14 nm-69% | 45 nm |
| Architecture | — | Yorkfield (2007−2009) |
| PassMark | 2,192 | 2,176 |
| Geekbench 6 Single | 748 | — |
| Geekbench 6 Multi | 750 | — |
Memory & Platform
The Celeron G5900T uses the LGA1200 socket (PCIe 3.0), while the Core 2 Quad Q9505 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Celeron G5900T versus DDR3-1333 on the Core 2 Quad Q9505 — the Celeron G5900T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G5900T supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G5900T) vs 0 (Core 2 Quad Q9505) — the Celeron G5900T offers 16 more lanes for additional GPUs or NVMe drives.
| Feature | Celeron G5900T | Core 2 Quad Q9505 |
|---|---|---|
| Socket | LGA1200 | LGA775 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR4-2666+33% | DDR3-1333 |
| Max RAM Capacity | 128 GB+700% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. The Celeron G5900T includes integrated graphics (UHD Graphics 610), while the Core 2 Quad Q9505 requires a dedicated GPU. Primary use case: Celeron G5900T targets Budget, Core 2 Quad Q9505 targets Desktop. Direct competitor: Celeron G5900T rivals Pentium Gold G6400T.
| Feature | Celeron G5900T | Core 2 Quad Q9505 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics 610 | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Budget | Desktop |
Value Analysis
The Celeron G5900T launched at $42 MSRP, while the Core 2 Quad Q9505 debuted at $213. At current prices ($50 vs $150), the Celeron G5900T is $100 cheaper. In terms of value (PassMark points per dollar), the Celeron G5900T delivers 43.8 pts/$ vs 14.5 pts/$ for the Core 2 Quad Q9505 — making the Celeron G5900T the 100.5% better value option.
| Feature | Celeron G5900T | Core 2 Quad Q9505 |
|---|---|---|
| MSRP | $42-80% | $213 |
| Avg Price (30d) | $50-67% | $150 |
| Performance per Dollar | 43.8+202% | 14.5 |
| Release Date | 2020 | 2009 |
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