Athlon II X2 245 vs Core 2 Extreme X7800
Athlon II X2 245
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 X2 245 is positioned at rank 862 and the Core 2 Extreme X7800 is on rank 1145, so the Athlon II X2 245 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 X2 245
Performance Per Dollar Core 2 Extreme X7800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 245 | Core 2 Extreme X7800 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Merom XE (2007) / 65 nm) |
💎 Value Proposition
| Insight | Athlon II X2 245 | 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 X2 245 and Core 2 Extreme X7800
Athlon II X2 245
The Athlon II X2 245 is manufactured by AMD. It was released in 23 July 2009 (16 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,134 points. Launch price was $35.
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 X2 245 and Core 2 Extreme X7800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.9 GHz on the Athlon II X2 245 versus 2.6 GHz on the Core 2 Extreme X7800 — a 10.9% clock advantage for the Athlon II X2 245 (base: 2.9 GHz vs 2.6 GHz). The Athlon II X2 245 uses the Regor (2009−2013) architecture (45 nm), while the Core 2 Extreme X7800 uses Merom XE (2007) (65 nm). In PassMark, the Athlon II X2 245 scores 1,134 against the Core 2 Extreme X7800's 1,138 — a 0.4% lead for the Core 2 Extreme X7800. L3 cache: 0 kB on the Athlon II X2 245 vs 4 MB L2 Cache on the Core 2 Extreme X7800.
| Feature | Athlon II X2 245 | Core 2 Extreme X7800 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.9 GHz+12% | 2.6 GHz |
| Base Clock | 2.9 GHz+12% | 2.6 GHz |
| L3 Cache | 0 kB | 4 MB L2 Cache |
| L2 Cache | 2 MB | 4 MB+100% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Regor (2009−2013) | Merom XE (2007) |
| PassMark | 1,134 | 1,138 |
Memory & Platform
The Athlon II X2 245 uses the AM3 socket (PCIe 2.0), while the Core 2 Extreme X7800 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Athlon II X2 245 versus DDR2-667 on the Core 2 Extreme X7800 — the Athlon II X2 245 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X2 245 supports up to 16 of RAM compared to 4 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X2 245) vs 16 (Core 2 Extreme X7800) — the Core 2 Extreme X7800 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM2+,AM3 (Athlon II X2 245) and Socket P (Core 2 Extreme X7800).
| Feature | Athlon II X2 245 | Core 2 Extreme X7800 |
|---|---|---|
| Socket | AM3 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | 1333+66550% | DDR2-667 |
| Max RAM Capacity | 16 | 4 GB+26214300% |
| 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: true (Athlon II X2 245) vs VT-x (Core 2 Extreme X7800). Direct competitor: Athlon II X2 245 rivals Pentium E5500.
| Feature | Athlon II X2 245 | Core 2 Extreme X7800 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
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