Xeon 6766E vs Ryzen 9 7900X
Primary details
Comparing Ryzen 9 7900X and Xeon 6766E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 124 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 18.11 | no data |
| Architecture codename | Raphael (Zen4) (2022−2023) | Sierra Forest (2024) |
| Release date | 27 September 2022 (2 years ago) | 3 June 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $10,257 |
Detailed specifications
Ryzen 9 7900X 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 | 12 (Dodeca-Core) | 144 |
| Threads | 24 | 144 |
| Base clock speed | 4.7 GHz | 1.9 GHz |
| Boost clock speed | 5.6 GHz | 2.7 GHz |
| L1 cache | 64K (per core) | 96 KB (per core) |
| L2 cache | 1 MB (per core) | 4 MB (per module) |
| L3 cache | 64 MB (shared) | 108 MB (shared) |
| Chip lithography | 5 nm | 5 nm |
| Die size | 2x 70 (CCD) mm2 + 122 (I/O) mm2 | no data |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 47 °C | 84 °C |
| Number of transistors | CCD: 6,5 Mrd + IOD: 3,4 Mrd Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 7900X 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 | 1 | 2 |
| Socket | AM5 | 4710 |
| Power consumption (TDP) | 170 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7900X and Xeon 6766E. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 5 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 7900X 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 Ryzen 9 7900X 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 Ryzen 9 7900X and Xeon 6766E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics (Ryzen 7000) | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7900X and Xeon 6766E.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 24 | 88 |
Pros & cons summary
| Recency | 27 September 2022 | 3 June 2024 |
| Physical cores | 12 | 144 |
| Threads | 24 | 144 |
| Power consumption (TDP) | 170 Watt | 250 Watt |
Ryzen 9 7900X has 47.1% lower power consumption.
Xeon 6766E, on the other hand, has an age advantage of 1 year, and 1100% more physical cores and 500% more threads.
We couldn't decide between Ryzen 9 7900X and Xeon 6766E. We've got no test results to judge.
Note that Ryzen 9 7900X is a desktop processor while Xeon 6766E is a server/workstation one.
Should you still have questions on choice between Ryzen 9 7900X and Xeon 6766E, ask them in Comments section, and we shall answer.
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