Athlon II M340 vs Core 2 Extreme X7800
Athlon II M340
Core 2 Extreme X7800
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 Athlon II M340 is positioned at rank 1001 and the Core 2 Extreme X7800 is on rank 1145, so the Athlon II M340 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II M340
Performance Per Dollar Core 2 Extreme X7800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II M340 | Core 2 Extreme X7800 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Caspian (2009) / 45 nm) | 🛑 Legacy (Merom XE (2007) / 65 nm) |
💎 Value Proposition
| Insight | Athlon II M340 | Core 2 Extreme X7800 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
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 Athlon II M340 and Core 2 Extreme X7800
Athlon II M340
The Athlon II M340 is manufactured by AMD. It was released in 2009-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 1 MB. Memory support: DDR2. Passmark benchmark score: 1,115 points. Launch price was $149.
Core 2 Extreme X7800
The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.
Processing Power
Both the Athlon II M340 and Core 2 Extreme X7800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Athlon II M340 versus 2.6 GHz on the Core 2 Extreme X7800 — a 16.7% clock advantage for the Core 2 Extreme X7800. The Athlon II M340 uses the Caspian (2009) architecture (45 nm), while the Core 2 Extreme X7800 uses Merom XE (2007) (65 nm). In PassMark, the Athlon II M340 scores 1,115 against the Core 2 Extreme X7800's 1,138 — a 2% lead for the Core 2 Extreme X7800.
| Feature | Athlon II M340 | Core 2 Extreme X7800 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.2 GHz | 2.6 GHz+18% |
| Base Clock | — | 2.6 GHz |
| L3 Cache | — | 4 MB L2 Cache |
| L2 Cache | 1 MB | 4 MB+300% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Caspian (2009) | Merom XE (2007) |
| PassMark | 1,115 | 1,138+2% |
| Geekbench 6 Single | 858 | — |
| Geekbench 6 Multi | 1,500 | — |
Memory & Platform
The Athlon II M340 uses the S1g3 socket (PCIe 2.0), while the Core 2 Extreme X7800 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR2-800 memory speed. The Athlon II M340 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II M340) vs 16 (Core 2 Extreme X7800) — the Core 2 Extreme X7800 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: RS880M (Athlon II M340) and Socket P (Core 2 Extreme X7800).
| Feature | Athlon II M340 | Core 2 Extreme X7800 |
|---|---|---|
| Socket | S1g3 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR2-800 | DDR2-667 |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Only the Core 2 Extreme X7800 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (Athlon II M340) vs VT-x (Core 2 Extreme X7800). Primary use case: Athlon II M340 targets Laptop.
| Feature | Athlon II M340 | Core 2 Extreme X7800 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Laptop | — |
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