
Core 2 Duo T9500 vs Core 2 Extreme QX9300

Core 2 Duo T9500

Core 2 Extreme QX9300
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 Duo T9500 is positioned at rank 343 and the Core 2 Extreme QX9300 is on rank 924, so the Core 2 Duo T9500 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 Duo T9500
Performance Per Dollar Core 2 Extreme QX9300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T9500 | Core 2 Extreme QX9300 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T9500 | Core 2 Extreme QX9300 |
|---|---|---|
| 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 Core 2 Duo T9500 and Core 2 Extreme QX9300

Core 2 Duo T9500
The Core 2 Duo T9500 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,799 points. Launch price was $530.

Core 2 Extreme QX9300
The Core 2 Extreme QX9300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.53 GHz, with boost up to 2.53 GHz. L3 cache: 0 kB. L2 cache: 12 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 1,805 points. Launch price was $249.
Processing Power
The Core 2 Duo T9500 packs 2 cores / 2 threads, while the Core 2 Extreme QX9300 offers 4 cores / 4 threads — the Core 2 Extreme QX9300 has 2 more cores. Boost clocks reach 2.6 GHz on the Core 2 Duo T9500 versus 2.53 GHz on the Core 2 Extreme QX9300 — a 2.7% clock advantage for the Core 2 Duo T9500 (base: 2.6 GHz vs 2.53 GHz). Both are built on the Penryn (2008−2011) architecture using a 45 nm process. In PassMark, the Core 2 Duo T9500 scores 1,799 against the Core 2 Extreme QX9300's 1,805 — a 0.3% lead for the Core 2 Extreme QX9300. L3 cache: 6 MB L2 Cache on the Core 2 Duo T9500 vs 0 kB on the Core 2 Extreme QX9300.
| Feature | Core 2 Duo T9500 | Core 2 Extreme QX9300 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.6 GHz+3% | 2.53 GHz |
| Base Clock | 2.6 GHz+3% | 2.53 GHz |
| L3 Cache | 6 MB L2 Cache | 0 kB |
| L2 Cache | 6 MB | 12 MB+100% |
| Process | 45 nm | 45 nm |
| Architecture | Penryn (2008−2011) | Penryn (2008−2011) |
| PassMark | 1,799 | 1,805 |
Memory & Platform
Both processors use the PGA478 socket with PCIe 1.1.
| Feature | Core 2 Duo T9500 | Core 2 Extreme QX9300 |
|---|---|---|
| Socket | PGA478 | PGA478 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR3-1066 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
Advanced Features
Virtualization: VT-x (Core 2 Duo T9500) / not specified (Core 2 Extreme QX9300). Primary use case: Core 2 Duo T9500 targets Budget. Direct competitor: Core 2 Duo T9500 rivals Athlon Silver 3050U.
| Feature | Core 2 Duo T9500 | Core 2 Extreme QX9300 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
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