Turion II Ultra M660 vs Core m5-6Y54
Turion II Ultra M660
Core m5-6Y54
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 m5-6Y54 is on rank 1132, so the Turion II Ultra M660 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 m5-6Y54
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Turion II Ultra M660 | Core m5-6Y54 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($281) |
| Longevity | 🛑 Legacy (Caspian (2009) / 45 nm) | 🛑 Legacy (Skylake-Y (2015) / 14 nm) |
💎 Value Proposition
| Insight | Turion II Ultra M660 | Core m5-6Y54 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($281) |
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 m5-6Y54
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 m5-6Y54
The Core m5-6Y54 is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake-Y (2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 2.7 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 2,294 points. Launch price was $281.
Processing Power
The Turion II Ultra M660 packs 2 cores / 2 threads, matching the Core m5-6Y54's 2 cores. Boost clocks reach 2.7 GHz on the Turion II Ultra M660 versus 2.7 GHz on the Core m5-6Y54 — identical boost frequencies. The Turion II Ultra M660 uses the Caspian (2009) architecture (45 nm), while the Core m5-6Y54 uses Skylake-Y (2015) (14 nm). In PassMark, the Turion II Ultra M660 scores 2,278 against the Core m5-6Y54's 2,294 — a 0.7% lead for the Core m5-6Y54.
| Feature | Turion II Ultra M660 | Core m5-6Y54 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.7 GHz | 2.7 GHz |
| Base Clock | — | 1.1 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 2 MB+700% | 256 kB (per core) |
| Process | 45 nm | 14 nm-69% |
| Architecture | Caspian (2009) | Skylake-Y (2015) |
| PassMark | 2,278 | 2,294 |
| Geekbench 6 Single | — | 875 |
| Geekbench 6 Multi | — | 1,648 |
Memory & Platform
The Turion II Ultra M660 uses the S1g3 socket (PCIe 2.0), while the Core m5-6Y54 uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Turion II Ultra M660 versus LPDDR3-1866 on the Core m5-6Y54 — the Core m5-6Y54 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core m5-6Y54 supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Turion II Ultra M660) vs 10 (Core m5-6Y54) — the Core m5-6Y54 offers 10 more lanes for additional GPUs or NVMe drives.
| Feature | Turion II Ultra M660 | Core m5-6Y54 |
|---|---|---|
| Socket | S1g3 | FCBGA1515 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR2-800 | LPDDR3-1866+50% |
| Max RAM Capacity | 8 GB | 16 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 10 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Turion II Ultra M660) vs VT-x, VT-d (Core m5-6Y54). The Core m5-6Y54 includes integrated graphics (HD Graphics 515), while the Turion II Ultra M660 requires a dedicated GPU. Primary use case: Turion II Ultra M660 targets Mobile, Core m5-6Y54 targets Enthusiast. Direct competitor: Core m5-6Y54 rivals Pentium Gold 4415Y.
| Feature | Turion II Ultra M660 | Core m5-6Y54 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics 515 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Mobile | Enthusiast |
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