CPU
GPU
Core m5-6Y54
Turion II Ultra M660
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 Core m5-6Y54 is positioned at rank 1132 and the Turion II Ultra M660 is on rank 220, 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 Core m5-6Y54
Performance Per Dollar Turion II Ultra M660
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core m5-6Y54 | Turion II Ultra M660 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($281) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Skylake-Y (2015) / 14 nm) | 🛑 Legacy (Caspian (2009) / 45 nm) |
💎 Value Proposition
| Insight | Core m5-6Y54 | Turion II Ultra M660 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($281) | ✅ 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 Core m5-6Y54 and Turion II Ultra M660
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.
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.
Processing Power
The Core m5-6Y54 packs 2 cores / 4 threads, matching the Turion II Ultra M660's 2 cores. Boost clocks reach 2.7 GHz on the Core m5-6Y54 versus 2.7 GHz on the Turion II Ultra M660 — identical boost frequencies. The Core m5-6Y54 uses the Skylake-Y (2015) architecture (14 nm), while the Turion II Ultra M660 uses Caspian (2009) (45 nm). In PassMark, the Core m5-6Y54 scores 2,294 against the Turion II Ultra M660's 2,278 — a 0.7% lead for the Core m5-6Y54.
| Feature | Core m5-6Y54 | Turion II Ultra M660 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.7 GHz | 2.7 GHz |
| Base Clock | 1.1 GHz | — |
| L3 Cache | 4 MB (total) | — |
| L2 Cache | 256 kB (per core) | 2 MB+700% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Skylake-Y (2015) | Caspian (2009) |
| PassMark | 2,294 | 2,278 |
| Geekbench 6 Single | 875 | — |
| Geekbench 6 Multi | 1,648 | — |
Memory & Platform
The Core m5-6Y54 uses the FCBGA1515 socket (PCIe 3.0), while the Turion II Ultra M660 uses S1g3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR3-1866 on the Core m5-6Y54 versus DDR2-800 on the Turion II Ultra M660 — 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: 10 (Core m5-6Y54) vs 0 (Turion II Ultra M660) — the Core m5-6Y54 offers 10 more lanes for additional GPUs or NVMe drives.
| Feature | Core m5-6Y54 | Turion II Ultra M660 |
|---|---|---|
| Socket | FCBGA1515 | S1g3 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | LPDDR3-1866+50% | DDR2-800 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 10 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core m5-6Y54) vs AMD-V (Turion II Ultra M660). The Core m5-6Y54 includes integrated graphics (HD Graphics 515), while the Turion II Ultra M660 requires a dedicated GPU. Primary use case: Core m5-6Y54 targets Enthusiast, Turion II Ultra M660 targets Mobile. Direct competitor: Core m5-6Y54 rivals Pentium Gold 4415Y.
| Feature | Core m5-6Y54 | Turion II Ultra M660 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 515 | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | Enthusiast | Mobile |
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