
Turion II Ultra M660

Ryzen 7 3700X
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. The Turion II Ultra M660 is positioned at rank #220 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Turion II Ultra M660
Performance Per Dollar Ryzen 7 3700X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Turion II Ultra M660 | Ryzen 7 3700X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($140) |
| Longevity | 🛑 Legacy (Caspian (2009) / 45 nm) | ✨ Modern (Matisse (Zen 2) (2019−2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Turion II Ultra M660 | Ryzen 7 3700X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($140) |
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 Ryzen 7 3700X

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.

Ryzen 7 3700X
The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.
Processing Power
The Turion II Ultra M660 packs 2 cores / 2 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the Ryzen 7 3700X has 6 more cores. Boost clocks reach 2.7 GHz on the Turion II Ultra M660 versus 4.4 GHz on the Ryzen 7 3700X — a 47.9% clock advantage for the Ryzen 7 3700X. The Turion II Ultra M660 uses the Caspian (2009) architecture (45 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Turion II Ultra M660 scores 2,278 against the Ryzen 7 3700X's 22,430 — a 163.1% lead for the Ryzen 7 3700X.
| Feature | Turion II Ultra M660 | Ryzen 7 3700X |
|---|---|---|
| Cores / Threads | 2 / 2 | 8 / 16+300% |
| Boost Clock | 2.7 GHz | 4.4 GHz+63% |
| Base Clock | — | 3.6 GHz |
| L3 Cache | — | 32 MB |
| L2 Cache | 2 MB+300% | 512K (per core) |
| Process | 45 nm | 7 nm, 12 nm-84% |
| Architecture | Caspian (2009) | Matisse (Zen 2) (2019−2020) |
| PassMark | 2,278 | 22,430+885% |
Memory & Platform
The Turion II Ultra M660 uses the S1g3 socket (PCIe 2.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Turion II Ultra M660 versus DDR4-3200 on the Ryzen 7 3700X — the Ryzen 7 3700X supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 3700X supports up to 128 GB of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Turion II Ultra M660) vs 24 (Ryzen 7 3700X) — the Ryzen 7 3700X offers 24 more lanes for additional GPUs or NVMe drives.
| Feature | Turion II Ultra M660 | Ryzen 7 3700X |
|---|---|---|
| Socket | S1g3 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR2-800 | DDR4-3200+100% |
| Max RAM Capacity | 8 GB | 128 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 24 |
Advanced Features
Virtualization: AMD-V (Turion II Ultra M660) / not specified (Ryzen 7 3700X). Primary use case: Turion II Ultra M660 targets Mobile.
| Feature | Turion II Ultra M660 | Ryzen 7 3700X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Mobile | — |
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