Ryzen 9 8945H vs Ultra 9 285H
Aggregate performance score
Core Ultra 9 285H outperforms Ryzen 9 8945H by a significant 23% based on our aggregate benchmark results.
Primary details
Comparing Core Ultra 9 285H and Ryzen 9 8945H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 228 | 312 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | AMD Hawk Point (Zen 4/4c, Ryzen 8040) |
| Power efficiency | 49.39 | 40.17 |
| Architecture codename | Arrow Lake-H | Hawk Point-HS (Zen 4) (2023−2024) |
| Release date | no data | 6 December 2023 (1 year ago) |
Detailed specifications
Core Ultra 9 285H and Ryzen 9 8945H 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 | 16 (Hexadeca-Core) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | no data | 4 GHz |
| Boost clock speed | 5.4 GHz | 5.2 GHz |
| L1 cache | no data | 512 KB |
| L2 cache | no data | 8 MB |
| L3 cache | no data | 16 MB |
| Chip lithography | no data | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | - | + |
Compatibility
Information on Core Ultra 9 285H and Ryzen 9 8945H 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.
| Socket | no data | FP7/FP7r2/FP8 |
| Power consumption (TDP) | 45 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 9 285H and Ryzen 9 8945H. 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 | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 285H and Ryzen 9 8945H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 780M ( - 2800 MHz) |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Geekbench 6.3 Multi-Core
Pros & cons summary
| Performance score | 23.32 | 18.97 |
| Physical cores | 16 | 8 |
Ultra 9 285H has a 22.9% higher aggregate performance score, and 100% more physical cores.
The Core Ultra 9 285H is our recommended choice as it beats the Ryzen 9 8945H in performance tests.
Should you still have questions on choice between Core Ultra 9 285H and Ryzen 9 8945H, ask them in Comments section, and we shall answer.
Other comparisons
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