Core 2 Extreme X9100 vs Core 2 Duo SL9600
Core 2 Extreme X9100
Core 2 Duo SL9600
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 Extreme X9100 is positioned at rank 277 and the Core 2 Duo SL9600 is on rank 1177, so the Core 2 Extreme X9100 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 Extreme X9100
Performance Per Dollar Core 2 Duo SL9600
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme X9100 | Core 2 Duo SL9600 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($851) | ✅ More affordable ($316) |
| Longevity | 🛑 Legacy (Penryn XE (2008) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme X9100 | Core 2 Duo SL9600 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+168%) |
| Upfront Cost | ⚠️ Higher cost ($851) | ✅ More affordable ($316) |
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 Extreme X9100 and Core 2 Duo SL9600
Core 2 Extreme X9100
The Core 2 Extreme X9100 is manufactured by Intel. It was released in 1 July 2008 (17 years ago). It is based on the Penryn XE (2008) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,063 points. Launch price was $851.
Core 2 Duo SL9600
The Core 2 Duo SL9600 is manufactured by Intel. It was released in 1 March 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.13 GHz, with boost up to 2.13 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 17 Watt. Passmark benchmark score: 2,054 points. Launch price was $316.
Processing Power
Both the Core 2 Extreme X9100 and Core 2 Duo SL9600 share an identical 2-core/2-thread configuration. Boost clocks reach 0.07 GHz on the Core 2 Extreme X9100 versus 2.13 GHz on the Core 2 Duo SL9600 — a 187.3% clock advantage for the Core 2 Duo SL9600 (base: 3.06 GHz vs 2.13 GHz). The Core 2 Extreme X9100 uses the Penryn XE (2008) architecture (45 nm), while the Core 2 Duo SL9600 uses Penryn (2008−2011) (45 nm). In PassMark, the Core 2 Extreme X9100 scores 2,063 against the Core 2 Duo SL9600's 2,054 — a 0.4% lead for the Core 2 Extreme X9100. L3 cache: 0 kB on the Core 2 Extreme X9100 vs 6 MB L2 Cache on the Core 2 Duo SL9600.
| Feature | Core 2 Extreme X9100 | Core 2 Duo SL9600 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 0.07 GHz | 2.13 GHz+2943% |
| Base Clock | 3.06 GHz+44% | 2.13 GHz |
| L3 Cache | 0 kB | 6 MB L2 Cache |
| L2 Cache | 6 MB | 6 MB |
| Process | 45 nm | 45 nm |
| Architecture | Penryn XE (2008) | Penryn (2008−2011) |
| PassMark | 2,063 | 2,054 |
Memory & Platform
The Core 2 Extreme X9100 uses the PGA478 socket (PCIe 1.1), while the Core 2 Duo SL9600 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core 2 Extreme X9100 | Core 2 Duo SL9600 |
|---|---|---|
| Socket | PGA478 | BGA956 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | — | DDR3-1066 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Core 2 Extreme X9100) / VT-x, VT-d (Core 2 Duo SL9600). Primary use case: Core 2 Duo SL9600 targets Mobile.
| Feature | Core 2 Extreme X9100 | Core 2 Duo SL9600 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Mobile |
Value Analysis
The Core 2 Extreme X9100 launched at $851 MSRP, while the Core 2 Duo SL9600 debuted at $316.
| Feature | Core 2 Extreme X9100 | Core 2 Duo SL9600 |
|---|---|---|
| MSRP | $851 | $316-63% |
| Release Date | 2008 | 2009 |
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