Ultra 3 205 vs Ryzen 9 7900X
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 182 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 7.27 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Raphael (Zen4) (2022−2023) | Arrow Lake-S (2024−2025) |
| Release date | 27 September 2022 (3 years ago) | August 2025 (recently) |
| Launch price (MSRP) | no data | $140 |
Detailed specifications
Ryzen 9 7900X and Core Ultra 3 205 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) | 8 (Octa-Core) |
| Threads | 24 | 8 |
| Base clock speed | 4.7 GHz | 3.8 GHz |
| Boost clock speed | 5.6 GHz | 4.9 GHz |
| L1 cache | 64K (per core) | 192 KB (per core) |
| L2 cache | 1 MB (per core) | 3 MB (per core) |
| L3 cache | 64 MB (shared) | 15 MB (shared) |
| Chip lithography | 5 nm | 3 nm |
| Die size | 2x 70 (CCD) mm2 + 122 (I/O) mm2 | 243 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 47 °C | no data |
| Number of transistors | CCD: 6,5 Mrd + IOD: 3,4 Mrd Million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 7900X and Core Ultra 3 205 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 | AM5 | 1851 |
| Power consumption (TDP) | 170 Watt | 57 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7900X and Core Ultra 3 205. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 7900X and Core Ultra 3 205 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7900X and Core Ultra 3 205 are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7900X and Core Ultra 3 205. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics (Ryzen 7000) | Arc Xe-LPG Graphics 16EU |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7900X and Core Ultra 3 205.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 24 | 24 |
Pros & cons summary
| Physical cores | 12 | 8 |
| Threads | 24 | 8 |
| Chip lithography | 5 nm | 3 nm |
| Power consumption (TDP) | 170 Watt | 57 Watt |
Ryzen 9 7900X has 50% more physical cores and 200% more threads.
Ultra 3 205, on the other hand, has a 66.7% more advanced lithography process, and 198.2% lower power consumption.
We couldn't decide between AMD Ryzen 9 7900X and Intel Core Ultra 3 205. We've got no test results to judge.
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