Athlon 300U vs Ryzen 9 PRO 7945
Aggregate performance score
Ryzen 9 PRO 7945 outperforms Athlon 300U by a whopping 1111% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 227 | 2032 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | AMD Athlon |
| Power efficiency | 43.75 | 15.65 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | GlobalFoundries |
| Architecture codename | Raphael (2023−2025) | Raven Ridge 2 (2019) |
| Release date | 13 June 2023 (2 years ago) | 6 January 2019 (6 years ago) |
Detailed specifications
Ryzen 9 PRO 7945 and Athlon 300U 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) | 2 (Dual-core) |
| Threads | 24 | 4 |
| Base clock speed | 3.7 GHz | 2.4 GHz |
| Boost clock speed | 5.4 GHz | 3.3 GHz |
| Bus type | no data | PCIe 3.0 |
| Multiplier | no data | 24 |
| L1 cache | 64 KB (per core) | 128K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 64 MB (shared) | 4 MB (shared) |
| Chip lithography | 5 nm | 14 nm |
| Die size | 2x 71 mm2 | 209.78 mm2 |
| Maximum case temperature (TCase) | 47 °C | no data |
| Number of transistors | 13,140 million | 4940 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
Compatibility
Information on Ryzen 9 PRO 7945 and Athlon 300U 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 (Uniprocessor) |
| Socket | AM5 | FP5 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7945 and Athlon 300U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | XFR, FMA3, SSE 4.2, AVX2, SMT |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 PRO 7945 and Athlon 300U are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 7945 and Athlon 300U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 Dual-channel |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 38.397 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | AMD Radeon RX Vega 3 ( - 1000 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 7945 and Athlon 300U.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 24 | 12 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 26.52 | 2.19 |
| Integrated graphics card | 1.81 | 2.72 |
| Recency | 13 June 2023 | 6 January 2019 |
| Physical cores | 12 | 2 |
| Threads | 24 | 4 |
| Chip lithography | 5 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Ryzen 9 PRO 7945 has a 1111% higher aggregate performance score, an age advantage of 4 years, 500% more physical cores and 500% more threads, and a 180% more advanced lithography process.
Athlon 300U, on the other hand, has 50.3% faster integrated GPU, and 333.3% lower power consumption.
The AMD Ryzen 9 PRO 7945 is our recommended choice as it beats the AMD Athlon 300U in performance tests.
Be aware that Ryzen 9 PRO 7945 is a server/workstation processor while Athlon 300U is a notebook one.
Other comparisons
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