Pentium III 800 vs Phenom II X2 N660
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | 2x AMD Phenom II | no data |
| Designer | AMD | Intel |
| Architecture codename | Champlain (2010−2011) | Coppermine T (2000) |
| Release date | 1 January 2011 (14 years ago) | no data |
Detailed specifications
Phenom II X2 N660 and Pentium III 800 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 3 GHz | 0.8 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 256 KB | 8 KB |
| L2 cache | 2 MB | 256 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 180 nm |
| Die size | no data | 80 mm2 |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | no data | 44 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X2 N660 and Pentium III 800 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.
| Number of CPUs in a configuration | no data | 1 |
| Socket | S1 | 370 |
| Power consumption (TDP) | 35 Watt | 38 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X2 N660 and Pentium III 800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization | no data |
| VirusProtect | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X2 N660 and Pentium III 800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Pros & cons summary
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 45 nm | 180 nm |
| Power consumption (TDP) | 35 Watt | 38 Watt |
Phenom II X2 N660 has 100% more physical cores and 100% more threads, a 300% more advanced lithography process, and 8.6% lower power consumption.
We couldn't decide between AMD Phenom II X2 N660 and Intel Pentium III 800. We've got no test results to judge.
Be aware that Phenom II X2 N660 is a notebook processor while Pentium III 800 is a desktop one.
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