
Core m5-6Y54

Turion II Ultra M660
Core m5-6Y54 vs Turion II Ultra M660 Performance Spectrum
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.
Core m5-6Y54 vs Turion II Ultra M660 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core m5-6Y54 vs Turion II Ultra M660: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core m5-6Y54
2015Why buy it
- ✅+0.7% higher PassMark.
- ✅100+% more PCIe lanes (10 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with HD Graphics 515, while Turion II Ultra M660 needs a discrete GPU.
Trade-offs
- ❌Worse for gaming: lower average FPS than Turion II Ultra M660 across 50 shared CPU benchmark tests.
- ❌Launch MSRP is still $281 MSRP, while Turion II Ultra M660 mostly shows up through inconsistent older-market listings.
- ❌125% higher power demand at 4.5W vs 2W.
Turion II Ultra M660
2009Why buy it
- ✅Better for gaming: +3.0% higher average FPS across 50 shared CPU benchmark tests.
- ✅Draws 2W instead of 5W, a 3W reduction.
Trade-offs
- ❌Lower PassMark (2,278 vs 2,294).
- ❌No integrated graphics, while Core m5-6Y54 can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Core m5-6Y54 better than Turion II Ultra M660?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core m5-6Y54 vs Turion II Ultra M660 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 133.3% 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 — 100% 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+133% | DDR2-800 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| 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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