Pentium III 800 vs Athlon II Neo K345
Primary details
Comparing Athlon II Neo K345 and Pentium III 800 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3088 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Athlon II Neo | no data |
| Power efficiency | 2.60 | no data |
| Architecture codename | Champlain (2010−2011) | Coppermine T (2000) |
| Release date | 18 December 2010 (14 years ago) | no data |
Detailed specifications
Athlon II Neo K345 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 | 1.4 GHz | 0.8 GHz |
| Bus rate | 2000 MHz | no data |
| L1 cache | 256 KB | 8 KB |
| L2 cache | 1 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 Athlon II Neo K345 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) | 12 Watt | 38 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II Neo K345 and Pentium III 800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | SSE4A, AMD64, Enhanced Virus Protection, Virtualization, PowerNow, HyperTransport 3.0 | no data |
| PowerNow | + | - |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II Neo K345 and Pentium III 800 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II Neo K345 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) | 12 Watt | 38 Watt |
Athlon II Neo K345 has 100% more physical cores and 100% more threads, a 300% more advanced lithography process, and 216.7% lower power consumption.
We couldn't decide between Athlon II Neo K345 and Pentium III 800. We've got no test results to judge.
Be aware that Athlon II Neo K345 is a notebook processor while Pentium III 800 is a desktop one.
Should you still have questions on choice between Athlon II Neo K345 and Pentium III 800, ask them in Comments section, and we shall answer.
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