Core 2 Extreme X6800 vs Core 2 Extreme X7900
Core 2 Extreme X6800
Core 2 Extreme X7900
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 X6800 is positioned at rank 1042 and the Core 2 Extreme X7900 is on rank 1162, so the Core 2 Extreme X6800 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 X6800
Performance Per Dollar Core 2 Extreme X7900
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme X6800 | Core 2 Extreme X7900 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Conroe XE (2006) / 65 nm) | 🛑 Legacy (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme X6800 | Core 2 Extreme X7900 |
|---|---|---|
| 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 Extreme X6800 and Core 2 Extreme X7900
Core 2 Extreme X6800
The Core 2 Extreme X6800 is manufactured by Intel. It was released in 27 July 2006 (19 years ago). It is based on the Conroe XE (2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.933 GHz, with boost up to 0.93 GHz. L3 cache: 0 kB. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 75 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,118 points. Launch price was $999.
Core 2 Extreme X7900
The Core 2 Extreme X7900 is manufactured by Intel. It was released in 1 September 2007 (18 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Memory support: DDR1. Passmark benchmark score: 1,115 points. Launch price was $851.
Processing Power
Both the Core 2 Extreme X6800 and Core 2 Extreme X7900 share an identical 2-core/2-thread configuration. Boost clocks reach 0.93 GHz on the Core 2 Extreme X6800 versus 2.8 GHz on the Core 2 Extreme X7900 — a 100.3% clock advantage for the Core 2 Extreme X7900 (base: 2.933 GHz vs 2.8 GHz). The Core 2 Extreme X6800 uses the Conroe XE (2006) architecture (65 nm), while the Core 2 Extreme X7900 uses Merom (2006−2008) (65 nm). In PassMark, the Core 2 Extreme X6800 scores 1,118 against the Core 2 Extreme X7900's 1,115 — a 0.3% lead for the Core 2 Extreme X6800. Both processors carry 0 kB of L3 cache.
| Feature | Core 2 Extreme X6800 | Core 2 Extreme X7900 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 0.93 GHz | 2.8 GHz+201% |
| Base Clock | 2.933 GHz+5% | 2.8 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 4 MB (total) | 4 MB |
| Process | 65 nm | 65 nm |
| Architecture | Conroe XE (2006) | Merom (2006−2008) |
| PassMark | 1,118 | 1,115 |
Memory & Platform
The Core 2 Extreme X6800 uses the LGA775 socket (PCIe 1.1), while the Core 2 Extreme X7900 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core 2 Extreme X6800 | Core 2 Extreme X7900 |
|---|---|---|
| Socket | LGA775 | PGA478 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Core 2 Extreme X6800) / VT-x (Core 2 Extreme X7900). Primary use case: Core 2 Extreme X7900 targets Mobile.
| Feature | Core 2 Extreme X6800 | Core 2 Extreme X7900 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Mobile |
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