Core i3-10100 vs Pentium III 866
Primary details
Comparing Pentium III 866 and Core i3-10100 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 1116 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 18.50 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Coppermine T (2000) | Comet Lake-S (2020) |
| Release date | 20 March 2000 (24 years ago) | 30 April 2020 (4 years ago) |
| Launch price (MSRP) | no data | $130 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium III 866 and Core i3-10100 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 | 1 (Single-Core) | 4 (Quad-Core) |
| Threads | 1 | 8 |
| Base clock speed | no data | 3.6 GHz |
| Boost clock speed | 0.87 GHz | 4.3 GHz |
| L1 cache | 32 KB | 256 KB |
| L2 cache | 256 KB | 1 MB |
| L3 cache | 0 KB | 6 MB |
| Chip lithography | 180 nm | 14 nm |
| Die size | 106 mm2 | 126 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 80 °C | 72 °C |
| Number of transistors | 28 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium III 866 and Core i3-10100 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 | 2 | 1 |
| Socket | 370 | FCLGA1200 |
| Power consumption (TDP) | 27 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 866 and Core i3-10100. You'll probably need this information if you require some particular technology.
| AES-NI | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | no data | + |
Security technologies
Pentium III 866 and Core i3-10100 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium III 866 and Core i3-10100 are enumerated here.
| AMD-V | no data | + |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 866 and Core i3-10100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
| Maximum memory bandwidth | no data | 41.6 GB/s |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel UHD Graphics 630 |
Peripherals
Specifications and connection of peripherals supported by Pentium III 866 and Core i3-10100.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 20 March 2000 | 30 April 2020 |
| Physical cores | 1 | 4 |
| Threads | 1 | 8 |
| Chip lithography | 180 nm | 14 nm |
| Power consumption (TDP) | 27 Watt | 65 Watt |
Pentium III 866 has 140.7% lower power consumption.
i3-10100, on the other hand, has an age advantage of 20 years, 300% more physical cores and 700% more threads, and a 1185.7% more advanced lithography process.
We couldn't decide between Pentium III 866 and Core i3-10100. We've got no test results to judge.
Should you still have questions on choice between Pentium III 866 and Core i3-10100, ask them in Comments section, and we shall answer.
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