Pentium III 800 vs i5-7640K
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 | Desktop processor | Desktop processor |
| Designer | Intel | Intel |
| Architecture codename | Kaby Lake-X (2017) | Coppermine T (2000) |
| Release date | no data | no data |
Detailed specifications
Core i5-7640K 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | no data | 1 |
| Boost clock speed | 3.9 GHz | 0.8 GHz |
| L1 cache | 64 KB (per core) | 8 KB |
| L2 cache | 256 KB (per core) | 256 KB |
| L3 cache | 6144 KB (shared) | 0 KB |
| Chip lithography | 14 nm | 180 nm |
| Die size | no data | 80 mm2 |
| Maximum case temperature (TCase) | 72 °C | 69 °C |
| Number of transistors | no data | 44 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-7640K 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 | 1 | 1 |
| Socket | 1151 | 370 |
| Power consumption (TDP) | 112 Watt | 38 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-7640K and Pentium III 800. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-7640K and Pentium III 800 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-7640K and Pentium III 800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | no data |
Pros & cons summary
| Physical cores | 4 | 1 |
| Chip lithography | 14 nm | 180 nm |
| Power consumption (TDP) | 112 Watt | 38 Watt |
i5-7640K has 300% more physical cores, and a 1186% more advanced lithography process.
Pentium III 800, on the other hand, has 195% lower power consumption.
We couldn't decide between Intel Core i5-7640K and Intel Pentium III 800. We've got no test results to judge.
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