Xeon 6766E vs EPYC 9754
Primary details
Comparing EPYC 9754 and Xeon 6766E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 12 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.03 | no data |
| Market segment | Server | Server |
| Power efficiency | 16.62 | no data |
| Architecture codename | Bergamo (2023) | Sierra Forest (2024) |
| Release date | 13 June 2023 (1 year ago) | 3 June 2024 (less than a year ago) |
| Launch price (MSRP) | $11,900 | $10,257 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 9754 and Xeon 6766E 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 | 128 | 144 |
| Threads | 256 | 144 |
| Base clock speed | 2.25 GHz | 1.9 GHz |
| Boost clock speed | 3.1 GHz | 2.7 GHz |
| L1 cache | 64 KB (per core) | 96 KB (per core) |
| L2 cache | 1 MB (per core) | 4 MB (per module) |
| L3 cache | 256 MB (shared) | 108 MB (shared) |
| Chip lithography | 5 nm | 5 nm |
| Die size | 8x 73 mm2 | no data |
| Maximum case temperature (TCase) | no data | 84 °C |
| Number of transistors | 71,000 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC 9754 and Xeon 6766E 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 | 4710 |
| Power consumption (TDP) | 360 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9754 and Xeon 6766E. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
EPYC 9754 and Xeon 6766E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9754 and Xeon 6766E 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 9754 and Xeon 6766E. 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 9754 and Xeon 6766E.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 128 | 88 |
Pros & cons summary
| Recency | 13 June 2023 | 3 June 2024 |
| Physical cores | 128 | 144 |
| Threads | 256 | 144 |
| Power consumption (TDP) | 360 Watt | 250 Watt |
EPYC 9754 has 77.8% more threads.
Xeon 6766E, on the other hand, has an age advantage of 11 months, 12.5% more physical cores, and 44% lower power consumption.
We couldn't decide between EPYC 9754 and Xeon 6766E. We've got no test results to judge.
Should you still have questions on choice between EPYC 9754 and Xeon 6766E, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
