i5-9400F vs Pentium 4 660
Primary details
Comparing Pentium 4 660 and Core i5-9400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 1094 |
| Place by popularity | not in top-100 | 25 |
| Cost-effectiveness evaluation | no data | 9.07 |
| Market segment | Desktop processor | Desktop processor |
| Series | Pentium 4 | Intel Core i5 |
| Power efficiency | no data | 8.68 |
| Architecture codename | Prescott 2M | Coffee Lake-R (2018−2019) |
| Release date | no data (2024 years ago) | 8 January 2019 (5 years ago) |
| Launch price (MSRP) | no data | $182 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium 4 660 and Core i5-9400F 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) | 6 (Hexa-Core) |
| Threads | 1 | 6 |
| Base clock speed | 3.6 GHz | 2.9 GHz |
| Boost clock speed | 3.6 GHz | 4.1 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | 800 MHz | 4 × 8 GT/s |
| Multiplier | no data | 29 |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 256K (per core) |
| L3 cache | 2 MB L2 Cache | 9 MB (shared) |
| Chip lithography | 90 nm | 14 nm |
| Die size | no data | 149 mm2 |
| Maximum core temperature | 71 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| VID voltage range | 1.2V-1.4V | no data |
Compatibility
Information on Pentium 4 660 and Core i5-9400F 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 (Uniprocessor) |
| Socket | PLGA775,PPGA775 | FCLGA1151 |
| Power consumption (TDP) | 115 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 4 660 and Core i5-9400F. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Pentium 4 660 and Core i5-9400F technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 4 660 and Core i5-9400F are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 660 and Core i5-9400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-2666 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
Peripherals
Specifications and connection of peripherals supported by Pentium 4 660 and Core i5-9400F.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Physical cores | 1 | 6 |
| Threads | 1 | 6 |
| Chip lithography | 90 nm | 14 nm |
| Power consumption (TDP) | 115 Watt | 65 Watt |
i5-9400F has 500% more physical cores and 500% more threads, a 542.9% more advanced lithography process, and 76.9% lower power consumption.
We couldn't decide between Pentium 4 660 and Core i5-9400F. We've got no test results to judge.
Should you still have questions on choice between Pentium 4 660 and Core i5-9400F, ask them in Comments section, and we shall answer.
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