EPYC 9455 vs Ryzen AI 7 PRO 450
Aggregate performance score
EPYC 9455 outperforms Ryzen AI 7 PRO 450 by a whopping 327% 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 | 562 | 26 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 9.36 |
| Market segment | Laptop | Server |
| Power efficiency | 22.48 | 8.95 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Gorgon Point (2026) | Turin (2024) |
| Release date | 5 January 2026 (less than a year ago) | 10 October 2024 (1 year ago) |
| Launch price (MSRP) | no data | $5,412 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen AI 7 PRO 450 and EPYC 9455 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 | 8 (Octa-Core) | 48 (Octatetraconta-Core) |
| Threads | 16 | 96 |
| Base clock speed | 2 GHz | 3.15 GHz |
| Boost clock speed | 5.1 GHz | 4.4 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 8 MB | 192 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 195 mm2 | 6x 70.6 mm2 |
| Number of transistors | no data | 49,890 million |
| 64 bit support | + | + |
Compatibility
Information on Ryzen AI 7 PRO 450 and EPYC 9455 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 | 2 |
| Socket | FP8 | SP5 |
| Power consumption (TDP) | 28 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen AI 7 PRO 450 and EPYC 9455. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen AI 7 PRO 450 and EPYC 9455 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen AI 7 PRO 450 and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5, LPDDR5X | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 860M | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen AI 7 PRO 450 and EPYC 9455.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 16 | 128 |
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 | 14.92 | 63.64 |
| Recency | 5 January 2026 | 10 October 2024 |
| Physical cores | 8 | 48 |
| Threads | 16 | 96 |
| Power consumption (TDP) | 28 Watt | 300 Watt |
Ryzen AI 7 PRO 450 has an age advantage of 1 year, and 971.4% lower power consumption.
EPYC 9455, on the other hand, has a 326.5% higher aggregate performance score, and 500% more physical cores and 500% more threads.
The AMD EPYC 9455 is our recommended choice as it beats the AMD Ryzen AI 7 PRO 450 in performance tests.
Be aware that Ryzen AI 7 PRO 450 is a notebook processor while EPYC 9455 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.
