Xeon 6990E+ vs EPYC Embedded 9755
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 7.93 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Turin (2024−2025) | Clearwater Forest (2026) |
| Release date | 11 March 2025 (1 year ago) | 31 May 2026 (less than a year ago) |
Detailed specifications
Basic parameters of EPYC Embedded 9755 and Xeon 6990E+: 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 | 288 |
| Threads | 256 | 288 |
| Base clock speed | 2.7 GHz | 2.2 GHz |
| Boost clock speed | 4.1 GHz | 3.2 GHz |
| L1 cache | 80 KB (per core) | 96 KB (per core) |
| L2 cache | 1 MB (per core) | 4 MB (per module) |
| L3 cache | 512 MB (shared) | 576 MB (shared) |
| Chip lithography | 4 nm | 3 nm |
| Die size | 16x 70.6 mm2 | no data |
| Maximum case temperature (TCase) | no data | 76 °C |
| Number of transistors | 133,040 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC Embedded 9755 and Xeon 6990E+ 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 | 2 |
| Socket | SP5 | 7529 |
| Power consumption (TDP) | 500 Watt | 450 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC Embedded 9755 and Xeon 6990E+. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Precision Boost 2 | + | no data |
Security technologies
EPYC Embedded 9755 and Xeon 6990E+ technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC Embedded 9755 and Xeon 6990E+ are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC Embedded 9755 and Xeon 6990E+. 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 | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC Embedded 9755 and Xeon 6990E+.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 128 | 96 |
Pros & cons summary
| Recency | 11 March 2025 | 31 May 2026 |
| Physical cores | 128 | 288 |
| Threads | 256 | 288 |
| Chip lithography | 4 nm | 3 nm |
| Power consumption (TDP) | 500 Watt | 450 Watt |
Xeon 6990E+ has an age advantage of 1 year, 125% more physical cores and 13% more threads, a 33% more advanced lithography process, and 11% lower power consumption.
We couldn't decide between AMD EPYC Embedded 9755 and Intel Xeon 6990E+. We've got no test results to judge.
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