Ryzen 9 7940HS vs Pentium 4 HT 521
Primary details
Comparing Pentium 4 HT 521 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 299 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | no data | 51.72 |
| Architecture codename | Prescott (2001−2005) | Phoenix-HS (Zen 4) (2023) |
| Release date | June 2005 (19 years ago) | January 2023 (1 year ago) |
Detailed specifications
Pentium 4 HT 521 and Ryzen 9 7940HS 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) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | no data | 4 GHz |
| Boost clock speed | 2.8 GHz | 5.2 GHz |
| L1 cache | 16 KB | 64K (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 90 nm | 4 nm |
| Die size | 109 mm2 | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 125 million | 25,000 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Pentium 4 HT 521 and Ryzen 9 7940HS 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 | FP8 |
| Power consumption (TDP) | 84 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 4 HT 521 and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 4 HT 521 and Ryzen 9 7940HS are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 521 and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 780M |
Peripherals
Specifications and connection of peripherals supported by Pentium 4 HT 521 and Ryzen 9 7940HS.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 1 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 90 nm | 4 nm |
| Power consumption (TDP) | 84 Watt | 35 Watt |
Ryzen 9 7940HS has 700% more physical cores and 700% more threads, a 2150% more advanced lithography process, and 140% lower power consumption.
We couldn't decide between Pentium 4 HT 521 and Ryzen 9 7940HS. We've got no test results to judge.
Note that Pentium 4 HT 521 is a desktop processor while Ryzen 9 7940HS is a notebook one.
Should you still have questions on choice between Pentium 4 HT 521 and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.
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