Ryzen 9 5900X vs EPYC Embedded 9755
Aggregate performance score
EPYC Embedded 9755 outperforms Ryzen 9 5900X by a whopping 322% 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 | 2 | 340 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 14.21 |
| Market segment | Server | Desktop processor |
| Series | no data | AMD Ryzen 9 |
| Power efficiency | 7.92 | 8.94 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Turin (2024−2025) | Vermeer (Zen3) (2020−2022) |
| Release date | 11 March 2025 (1 year ago) | 8 October 2020 (5 years ago) |
| Launch price (MSRP) | no data | $549 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of EPYC Embedded 9755 and Ryzen 9 5900X: 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 | 128 | 12 (Dodeca-Core) |
| Threads | 256 | 24 |
| Base clock speed | 2.7 GHz | 3.7 GHz |
| Boost clock speed | 4.1 GHz | 4.8 GHz |
| Multiplier | no data | 37 |
| L1 cache | 80 KB (per core) | 768 KB |
| L2 cache | 1 MB (per core) | 6 MB |
| L3 cache | 512 MB (shared) | 64 MB |
| Chip lithography | 4 nm | 7 nm, 12 nm |
| Die size | 16x 70.6 mm2 | 2x 74 mm2 (CCD) |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | 133,040 million | 0 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC Embedded 9755 and Ryzen 9 5900X 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 | 2 | 1 |
| Socket | SP5 | AM4 |
| Power consumption (TDP) | 500 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC Embedded 9755 and Ryzen 9 5900X. 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 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC Embedded 9755 and Ryzen 9 5900X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC Embedded 9755 and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | 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 | N/A | - |
Peripherals
Specifications and connection of peripherals supported by EPYC Embedded 9755 and Ryzen 9 5900X.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 128 | no data |
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 | 95.79 | 22.71 |
| Recency | 11 March 2025 | 8 October 2020 |
| Physical cores | 128 | 12 |
| Threads | 256 | 24 |
| Chip lithography | 4 nm | 7 nm |
| Power consumption (TDP) | 500 Watt | 105 Watt |
EPYC Embedded 9755 has a 76% higher aggregate performance score, an age advantage of 4 years, 91% more physical cores and 91% more threads, and a 43% more advanced lithography process.
Ryzen 9 5900X, on the other hand, has 79% lower power consumption.
The AMD EPYC Embedded 9755 is our recommended choice as it beats the AMD Ryzen 9 5900X in performance tests.
Be aware that EPYC Embedded 9755 is a server/workstation processor while Ryzen 9 5900X is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
