EPYC 4585PX vs Ryzen AI 9 HX PRO 375
Aggregate performance score
EPYC 4585PX outperforms Ryzen AI 9 HX PRO 375 by a whopping 113% 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 | 313 | 58 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 66.69 |
| Market segment | Laptop | Server |
| Power efficiency | 28.92 | 10.15 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Strix Point (2024−2025) | Grado (2025) |
| Release date | 6 January 2025 (less than a year ago) | 13 May 2025 (less than a year ago) |
| Launch price (MSRP) | no data | $699 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen AI 9 HX PRO 375 and EPYC 4585PX 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) | 16 (Hexadeca-Core) |
| Threads | 24 | 32 |
| Base clock speed | 2 GHz | 4.3 GHz |
| Boost clock speed | 5.1 GHz | 5.7 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 16 MB | 128 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 233 mm2 | 2x 70.6 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 16,630 million |
| 64 bit support | + | + |
Compatibility
Information on Ryzen AI 9 HX PRO 375 and EPYC 4585PX 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 | FP8 | AM5 |
| Power consumption (TDP) | 28 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen AI 9 HX PRO 375 and EPYC 4585PX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | USB 4, XDNA 2 NPU (55 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen AI 9 HX PRO 375 and EPYC 4585PX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen AI 9 HX PRO 375 and EPYC 4585PX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 890M | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Ryzen AI 9 HX PRO 375 and EPYC 4585PX.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 16 | 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.
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 | 20.94 | 44.62 |
| Integrated graphics card | 20.01 | 1.83 |
| Recency | 6 January 2025 | 13 May 2025 |
| Physical cores | 12 | 16 |
| Threads | 24 | 32 |
| Power consumption (TDP) | 28 Watt | 170 Watt |
Ryzen AI 9 HX PRO 375 has 993.4% faster integrated GPU, and 507.1% lower power consumption.
EPYC 4585PX, on the other hand, has a 113.1% higher aggregate performance score, an age advantage of 4 months, and 33.3% more physical cores and 33.3% more threads.
The AMD EPYC 4585PX is our recommended choice as it beats the AMD Ryzen AI 9 HX PRO 375 in performance tests.
Be aware that Ryzen AI 9 HX PRO 375 is a notebook processor while EPYC 4585PX is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
