Ryzen 9 7900X vs Athlon II Neo K145
Primary details
Comparing Athlon II Neo K145 and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 123 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Athlon II Neo | no data |
| Power efficiency | no data | 18.11 |
| Architecture codename | Nile (2010) | Raphael (Zen4) (2022−2023) |
| Release date | 15 December 2010 (13 years ago) | 27 September 2022 (2 years ago) |
Detailed specifications
Athlon II Neo K145 and Ryzen 9 7900X 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) | 12 (Dodeca-Core) |
| Threads | 1 | 24 |
| Base clock speed | no data | 4.7 GHz |
| Boost clock speed | 1.8 GHz | 5.6 GHz |
| Bus rate | 2000 MHz | no data |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | no data | 64 MB (shared) |
| Chip lithography | 45 nm | 5 nm |
| Die size | no data | 2x 70 (CCD) mm2 + 122 (I/O) mm2 |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | no data | 47 °C |
| Number of transistors | no data | CCD: 6,5 Mrd + IOD: 3,4 Mrd Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon II Neo K145 and Ryzen 9 7900X 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 | S1 | AM5 |
| Power consumption (TDP) | 12 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II Neo K145 and Ryzen 9 7900X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3dDNow!, SSE4A, AMD64, Enhanced Virus Protection, Virtualization | 5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V |
| AES-NI | - | + |
| AVX | - | + |
| VirusProtect | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II Neo K145 and Ryzen 9 7900X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II Neo K145 and Ryzen 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon Graphics (Ryzen 7000) |
Peripherals
Specifications and connection of peripherals supported by Athlon II Neo K145 and Ryzen 9 7900X.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Recency | 15 December 2010 | 27 September 2022 |
| Physical cores | 1 | 12 |
| Threads | 1 | 24 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 12 Watt | 170 Watt |
Athlon II Neo K145 has 1316.7% lower power consumption.
Ryzen 9 7900X, on the other hand, has an age advantage of 11 years, 1100% more physical cores and 2300% more threads, and a 800% more advanced lithography process.
We couldn't decide between Athlon II Neo K145 and Ryzen 9 7900X. We've got no test results to judge.
Be aware that Athlon II Neo K145 is a notebook processor while Ryzen 9 7900X is a desktop one.
Should you still have questions on choice between Athlon II Neo K145 and Ryzen 9 7900X, ask them in Comments section, and we shall answer.
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