Ryzen 5 8540U vs Pentium 4 660
Primary details
Comparing Pentium 4 660 and Ryzen 5 8540U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 661 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Pentium 4 | no data |
| Power efficiency | no data | 39.58 |
| Architecture codename | Prescott 2M | Hawk Point-U (Zen 4 + Zen 4c) (2023) |
| Release date | no data (2024 years ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Pentium 4 660 and Ryzen 5 8540U 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 | 12 |
| Base clock speed | 3.6 GHz | 3.2 GHz |
| Boost clock speed | 3.6 GHz | 4.9 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 2 MB L2 Cache | 16 MB (shared) |
| Chip lithography | 90 nm | 4 nm |
| Die size | no data | 137 mm2 |
| Maximum core temperature | 71 °C | 100 °C |
| Number of transistors | no data | 20,900 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.2V-1.4V | no data |
Compatibility
Information on Pentium 4 660 and Ryzen 5 8540U 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 | PLGA775,PPGA775 | FP7 |
| Power consumption (TDP) | 115 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 4 660 and Ryzen 5 8540U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Precision Boost 2 | no data | + |
Security technologies
Pentium 4 660 and Ryzen 5 8540U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 4 660 and Ryzen 5 8540U are enumerated here.
| AMD-V | - | + |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 660 and Ryzen 5 8540U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 740M |
Peripherals
Specifications and connection of peripherals supported by Pentium 4 660 and Ryzen 5 8540U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 14 |
Pros & cons summary
| Physical cores | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 90 nm | 4 nm |
| Power consumption (TDP) | 115 Watt | 28 Watt |
Ryzen 5 8540U has 500% more physical cores and 1100% more threads, a 2150% more advanced lithography process, and 310.7% lower power consumption.
We couldn't decide between Pentium 4 660 and Ryzen 5 8540U. We've got no test results to judge.
Note that Pentium 4 660 is a desktop processor while Ryzen 5 8540U is a notebook one.
Should you still have questions on choice between Pentium 4 660 and Ryzen 5 8540U, ask them in Comments section, and we shall answer.
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