Pentium III 550E vs Ryzen 9 9900X
Primary details
Comparing Ryzen 9 9900X and Pentium III 550E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 108 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 66.82 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 27.09 | no data |
| Architecture codename | Granite Ridge (2024) | Coppermine (1999−2001) |
| Release date | 15 August 2024 (less than a year ago) | 25 October 1999 (25 years ago) |
| Launch price (MSRP) | $499 | $368 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 9900X and Pentium III 550E 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 | 12 (Dodeca-Core) | 1 (Single-Core) |
| Threads | 24 | 1 |
| Base clock speed | 4.4 GHz | no data |
| Boost clock speed | 5.6 GHz | 0.55 GHz |
| L1 cache | 80 KB (per core) | 32 KB |
| L2 cache | 1 MB (per core) | 256 KB |
| L3 cache | 64 MB (shared) | no data |
| Chip lithography | 4 nm | 180 nm |
| Die size | 2x 70.6 mm2 | 106 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | no data | 85 °C |
| Number of transistors | 16,630 million | 28 million |
| 64 bit support | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 9900X and Pentium III 550E 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 | 2 |
| Socket | AM5 | 370 |
| Power consumption (TDP) | 120 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 9900X and Pentium III 550E. You'll probably need this information if you require some particular technology.
| Instruction set extensions | SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A | no data |
| AES-NI | + | - |
| AVX | + | - |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 9900X and Pentium III 550E are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9900X and Pentium III 550E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 9900X and Pentium III 550E.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 24 | no data |
Pros & cons summary
| Recency | 15 August 2024 | 25 October 1999 |
| Physical cores | 12 | 1 |
| Threads | 24 | 1 |
| Chip lithography | 4 nm | 180 nm |
| Power consumption (TDP) | 120 Watt | 15 Watt |
Ryzen 9 9900X has an age advantage of 24 years, 1100% more physical cores and 2300% more threads, and a 4400% more advanced lithography process.
Pentium III 550E, on the other hand, has 700% lower power consumption.
We couldn't decide between Ryzen 9 9900X and Pentium III 550E. We've got no test results to judge.
Should you still have questions on choice between Ryzen 9 9900X and Pentium III 550E, ask them in Comments section, and we shall answer.
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