Turion II P520 vs Turion II Ultra M660
Aggregate performance score
Turion II Ultra M660 outperforms Turion II P520 by a significant 28% based on our aggregate benchmark results.
Primary details
Comparing Turion II Ultra M660 and Turion II P520 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2716 | 2841 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Turion II Ultra | AMD Turion II |
| Power efficiency | 1.77 | 1.93 |
| Architecture codename | Caspian (2009) | Champlain (2010−2011) |
| Release date | 10 September 2009 (15 years ago) | 12 May 2010 (14 years ago) |
Detailed specifications
Turion II Ultra M660 and Turion II P520 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Boost clock speed | 2.7 GHz | 2.3 GHz |
| Bus rate | 3600 MHz | 3600 MHz |
| L1 cache | no data | 128 KB |
| L2 cache | 2 MB | 2 MB |
| Chip lithography | 45 nm | 45 nm |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Turion II Ultra M660 and Turion II P520 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Socket | Socket S1 (s1g3) 638-pin | S1 (S1g4) |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Turion II Ultra M660 and Turion II P520. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization | MMX, 3DNow, SSE, SSE2, SSE3, SSE4A, AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0 |
| PowerNow | + | - |
| VirusProtect | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Turion II Ultra M660 and Turion II P520 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M660 and Turion II P520. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Pros & cons summary
| Performance score | 0.68 | 0.53 |
| Recency | 10 September 2009 | 12 May 2010 |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Turion II Ultra M660 has a 28.3% higher aggregate performance score.
Turion II P520, on the other hand, has an age advantage of 8 months, and 40% lower power consumption.
The Turion II Ultra M660 is our recommended choice as it beats the Turion II P520 in performance tests.
Should you still have questions on choice between Turion II Ultra M660 and Turion II P520, ask them in Comments section, and we shall answer.
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