CPU
GPU
Turion II Ultra M660
Core 2 Duo P7450
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 Turion II Ultra M660 is positioned at rank 220 and the Core 2 Duo P7450 is on rank 15, so the Core 2 Duo P7450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Turion II Ultra M660
Performance Per Dollar Core 2 Duo P7450
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Turion II Ultra M660 | Core 2 Duo P7450 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Caspian (2009) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Turion II Ultra M660 | Core 2 Duo P7450 |
|---|---|---|
| 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 Turion II Ultra M660 and Core 2 Duo P7450
Turion II Ultra M660
The Turion II Ultra M660 is manufactured by AMD. It was released in 2007-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.7 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 2 MB. Memory support: DDR2. Passmark benchmark score: 2,278 points. Launch price was $69.
Core 2 Duo P7450
The Core 2 Duo P7450 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 2.13 GHz, with boost up to 2.13 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,306 points. Launch price was $249.
Processing Power
Both the Turion II Ultra M660 and Core 2 Duo P7450 share an identical 2-core/2-thread configuration. Boost clocks reach 2.7 GHz on the Turion II Ultra M660 versus 2.13 GHz on the Core 2 Duo P7450 — a 23.6% clock advantage for the Turion II Ultra M660. The Turion II Ultra M660 uses the Caspian (2009) architecture (45 nm), while the Core 2 Duo P7450 uses Penryn (2008−2011) (45 nm). In PassMark, the Turion II Ultra M660 scores 2,278 against the Core 2 Duo P7450's 2,306 — a 1.2% lead for the Core 2 Duo P7450.
| Feature | Turion II Ultra M660 | Core 2 Duo P7450 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.7 GHz+27% | 2.13 GHz |
| Base Clock | — | 2.13 GHz |
| L3 Cache | — | 3 MB L2 Cache |
| L2 Cache | 2 MB | 3 MB+50% |
| Process | 45 nm | 45 nm |
| Architecture | Caspian (2009) | Penryn (2008−2011) |
| PassMark | 2,278 | 2,306+1% |
| Geekbench 6 Single | — | 250 |
| Geekbench 6 Multi | — | 450 |
Memory & Platform
The Turion II Ultra M660 uses the S1g3 socket (PCIe 2.0), while the Core 2 Duo P7450 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Turion II Ultra M660 versus DDR3-1066 on the Core 2 Duo P7450 — the Core 2 Duo P7450 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Turion II Ultra M660) vs 16 (Core 2 Duo P7450) — the Core 2 Duo P7450 offers 16 more lanes for additional GPUs or NVMe drives.
| Feature | Turion II Ultra M660 | Core 2 Duo P7450 |
|---|---|---|
| Socket | S1g3 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR2-800 | DDR3-1066+50% |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Turion II Ultra M660) vs Disabled (Core 2 Duo P7450). Primary use case: Turion II Ultra M660 targets Mobile, Core 2 Duo P7450 targets Laptop.
| Feature | Turion II Ultra M660 | Core 2 Duo P7450 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | Disabled |
| Target Use | Mobile | Laptop |
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