Ryzen 9 3900 vs Ultra 9 285H
Aggregate performance score
Core Ultra 9 285H outperforms Ryzen 9 3900 by a moderate 10% based on our aggregate benchmark results.
Primary details
Comparing Core Ultra 9 285H and Ryzen 9 3900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 257 | 300 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 20.56 |
| Market segment | Laptop | Desktop processor |
| Series | no data | AMD Matisse (Ryzen 3000 Desktop) |
| Power efficiency | 44.73 | 28.11 |
| Architecture codename | Arrow Lake-H | Matisse (Zen 2) (2019−2020) |
| Release date | no data | 24 September 2019 (5 years ago) |
| Launch price (MSRP) | no data | $499 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core Ultra 9 285H and Ryzen 9 3900 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) | 12 (Dodeca-Core) |
| Threads | 16 | 24 |
| Base clock speed | no data | 3.1 GHz |
| Boost clock speed | 5.4 GHz | 4.3 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 512 KB (per core) |
| L3 cache | no data | 64 MB |
| Chip lithography | no data | 7 nm, 12 nm |
| Die size | no data | 2x 74 mm2 |
| Number of transistors | no data | 7,600 million |
| 64 bit support | - | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Core Ultra 9 285H and Ryzen 9 3900 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 | no data | AM4 |
| Power consumption (TDP) | 45 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 9 285H and Ryzen 9 3900. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 |
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 9 285H and Ryzen 9 3900 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 285H and Ryzen 9 3900. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 51.196 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 9 285H and Ryzen 9 3900.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Performance score | 21.12 | 19.17 |
| Physical cores | 16 | 12 |
| Threads | 16 | 24 |
| Power consumption (TDP) | 45 Watt | 65 Watt |
Ultra 9 285H has a 10.2% higher aggregate performance score, 33.3% more physical cores, and 44.4% lower power consumption.
Ryzen 9 3900, on the other hand, has 50% more threads.
The Core Ultra 9 285H is our recommended choice as it beats the Ryzen 9 3900 in performance tests.
Be aware that Core Ultra 9 285H is a notebook processor while Ryzen 9 3900 is a desktop one.
Should you still have questions on choice between Core Ultra 9 285H and Ryzen 9 3900, ask them in Comments section, and we shall answer.
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