Pentium III 866 vs FX-8320E
Primary details
Comparing FX-8320E and Pentium III 866 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1615 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.69 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 3.11 | no data |
| Architecture codename | Vishera (2012−2015) | Coppermine T (2000) |
| Release date | 2 September 2014 (10 years ago) | 20 March 2000 (24 years ago) |
| Launch price (MSRP) | $147 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
FX-8320E and Pentium III 866 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 | 8 (Octa-Core) | 1 (Single-Core) |
| Threads | 8 | 1 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 4 GHz | 0.87 GHz |
| L1 cache | no data | 32 KB |
| L2 cache | 8192 KB | 256 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 32 nm | 180 nm |
| Die size | 315 mm2 | 106 mm2 |
| Maximum core temperature | 71 °C | no data |
| Maximum case temperature (TCase) | no data | 80 °C |
| Number of transistors | 1,200 million | 28 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| P0 Vcore voltage | Min: 1.075 V - Max: 1.2875 V | no data |
Compatibility
Information on FX-8320E and Pentium III 866 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 | 1 | 2 |
| Socket | AM3+ | 370 |
| Power consumption (TDP) | 95 Watt | 27 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by FX-8320E and Pentium III 866. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by FX-8320E and Pentium III 866 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by FX-8320E and Pentium III 866. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by FX-8320E and Pentium III 866.
| PCIe version | n/a | no data |
Pros & cons summary
| Recency | 2 September 2014 | 20 March 2000 |
| Physical cores | 8 | 1 |
| Threads | 8 | 1 |
| Chip lithography | 32 nm | 180 nm |
| Power consumption (TDP) | 95 Watt | 27 Watt |
FX-8320E has an age advantage of 14 years, 700% more physical cores and 700% more threads, and a 462.5% more advanced lithography process.
Pentium III 866, on the other hand, has 251.9% lower power consumption.
We couldn't decide between FX-8320E and Pentium III 866. We've got no test results to judge.
Should you still have questions on choice between FX-8320E and Pentium III 866, ask them in Comments section, and we shall answer.
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