EPYC 7663 vs Xeon MP 3.66
Primary details
Comparing Xeon MP 3.66 and EPYC 7663 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 30 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 4.60 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 20.38 |
| Architecture codename | Cranford (2005) | Milan (2021−2023) |
| Release date | March 2005 (19 years ago) | 15 March 2021 (3 years ago) |
| Launch price (MSRP) | no data | $6,366 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon MP 3.66 and EPYC 7663 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 | 1 (Single-Core) | 56 (Hexapentaconta-Core) |
| Threads | 1 | 112 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 3.67 GHz | 3.5 GHz |
| Multiplier | no data | 20 |
| L1 cache | 16 KB | 64 KB (per core) |
| L2 cache | 1 MB | 512 KB (per core) |
| L3 cache | 0 KB | 256 MB (shared) |
| Chip lithography | 90 nm | 7 nm+ |
| Die size | no data | 8x 81 mm2 |
| Number of transistors | no data | 33,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Xeon MP 3.66 and EPYC 7663 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 | 604 | SP3 |
| Power consumption (TDP) | 135 Watt | 240 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon MP 3.66 and EPYC 7663. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon MP 3.66 and EPYC 7663 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon MP 3.66 and EPYC 7663. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-3200 |
| Maximum memory size | no data | 4 TiB |
| Maximum memory bandwidth | no data | 204.795 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon MP 3.66 and EPYC 7663.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Physical cores | 1 | 56 |
| Threads | 1 | 112 |
| Chip lithography | 90 nm | 7 nm |
| Power consumption (TDP) | 135 Watt | 240 Watt |
Xeon MP 3.66 has 77.8% lower power consumption.
EPYC 7663, on the other hand, has 5500% more physical cores and 11100% more threads, and a 1185.7% more advanced lithography process.
We couldn't decide between Xeon MP 3.66 and EPYC 7663. We've got no test results to judge.
Should you still have questions on choice between Xeon MP 3.66 and EPYC 7663, ask them in Comments section, and we shall answer.
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