Ryzen 5 7645HX vs Pentium 4 HT 640
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 535 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | no data | 35.24 |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Prescott (2001−2005) | Dragon Range (Zen4) (2023) |
| Release date | February 2005 (20 years ago) | 4 January 2023 (2 years ago) |
Detailed specifications
Pentium 4 HT 640 and Ryzen 5 7645HX 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 | 2 | 12 |
| Base clock speed | no data | 4 GHz |
| Boost clock speed | 3.2 GHz | 5 GHz |
| L1 cache | 28 KB | 64K (per core) |
| L2 cache | 2 MB | 1 MB (per core) |
| L3 cache | 0 KB | 32 MB (shared) |
| Chip lithography | 90 nm | 5 nm |
| Die size | 109 mm2 | 71 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 169 million | 6570 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Pentium 4 HT 640 and Ryzen 5 7645HX 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 | 775 | FL1 |
| Power consumption (TDP) | 84 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 4 HT 640 and Ryzen 5 7645HX. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 4 HT 640 and Ryzen 5 7645HX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 640 and Ryzen 5 7645HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M (400 - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Pentium 4 HT 640 and Ryzen 5 7645HX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
Pros & cons summary
| Physical cores | 1 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 90 nm | 5 nm |
| Power consumption (TDP) | 84 Watt | 45 Watt |
Ryzen 5 7645HX has 500% more physical cores and 500% more threads, a 1700% more advanced lithography process, and 86.7% lower power consumption.
We couldn't decide between Intel Pentium 4 HT 640 and AMD Ryzen 5 7645HX. We've got no test results to judge.
Note that Pentium 4 HT 640 is a desktop processor while Ryzen 5 7645HX is a notebook one.
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