
Core 2 Extreme X9000 vs Core 2 Duo E8435

Core 2 Extreme X9000

Core 2 Duo E8435
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 X9000 is positioned at rank 915 and the Core 2 Duo E8435 is on rank 1152, so the Core 2 Extreme X9000 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 X9000
Performance Per Dollar Core 2 Duo E8435
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme X9000 | Core 2 Duo E8435 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($74) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme X9000 | Core 2 Duo E8435 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($74) |
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.

Path of Exile 2

League of Legends
Technical Specifications
Side-by-side comparison of Core 2 Extreme X9000 and Core 2 Duo E8435

Core 2 Extreme X9000
The Core 2 Extreme X9000 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 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,108 points. Launch price was $851.

Core 2 Duo E8435
The Core 2 Duo E8435 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 3.067 GHz, with boost up to 0.07 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 44 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,104 points. Launch price was $249.
Processing Power
Both the Core 2 Extreme X9000 and Core 2 Duo E8435 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Extreme X9000 versus 0.07 GHz on the Core 2 Duo E8435 — a 190.2% clock advantage for the Core 2 Extreme X9000 (base: 2.8 GHz vs 3.067 GHz). Both are built on the Penryn (2008−2011) architecture using a 45 nm process. In PassMark, the Core 2 Extreme X9000 scores 1,108 against the Core 2 Duo E8435's 1,104 — a 0.4% lead for the Core 2 Extreme X9000.
| Feature | Core 2 Extreme X9000 | Core 2 Duo E8435 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz+3900% | 0.07 GHz |
| Base Clock | 2.8 GHz | 3.067 GHz+10% |
| L3 Cache | 6 MB L2 Cache | — |
| L2 Cache | 6 MB | 6 MB (total) |
| Process | 45 nm | 45 nm |
| Architecture | Penryn (2008−2011) | Penryn (2008−2011) |
| PassMark | 1,108 | 1,104 |
| Geekbench 6 Single | — | 257 |
Memory & Platform
The Core 2 Extreme X9000 uses the PGA478 socket (PCIe 1.1), while the Core 2 Duo E8435 uses P (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core 2 Extreme X9000 | Core 2 Duo E8435 |
|---|---|---|
| Socket | PGA478 | P |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Core 2 Extreme X9000) / VT-x, VT-d (Core 2 Duo E8435).
| Feature | Core 2 Extreme X9000 | Core 2 Duo E8435 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
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