Xeon 6730P vs EPYC 7643
Aggregate performance score
EPYC 7643 outperforms Xeon 6730P by a minimal 3% 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 | 76 | 84 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 7.25 | 10.66 |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 8.17 | 7.15 |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Milan (2021−2023) | Granite Rapids (2024−2026) |
| Release date | 15 March 2021 (5 years ago) | 24 February 2025 (1 year ago) |
| Launch price (MSRP) | $4,995 | $3,726 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 6730P has 47% better value for money than EPYC 7643.
Performance to price scatter graph
Detailed specifications
Basic parameters of EPYC 7643 and Xeon 6730P: 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 | 48 (Octatetraconta-Core) | 32 (Dotriaconta-Core) |
| Threads | 96 | 64 |
| Base clock speed | 2.3 GHz | 2.5 GHz |
| Boost clock speed | 3.6 GHz | 3.8 GHz |
| Multiplier | 23 | no data |
| L1 cache | 64 KB (per core) | 112 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 256 MB (shared) | 288 MB (shared) |
| Chip lithography | 7 nm+ | Intel 3 nm |
| Die size | 8x 81 mm2 | 2x 598 mm2 |
| Maximum case temperature (TCase) | no data | 79 °C |
| Number of transistors | 33,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on EPYC 7643 and Xeon 6730P 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 | SP3 | FCLGA4710 |
| Power consumption (TDP) | 225 Watt | 250 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7643 and Xeon 6730P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
EPYC 7643 and Xeon 6730P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7643 and Xeon 6730P are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7643 and Xeon 6730P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5(6400MT/s) |
| Maximum memory size | 4 TiB | 4 TB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | 204.795 GB/s | no data |
| ECC memory support | - | + |
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 7643 and Xeon 6730P.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 128 | 88 |
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 | 43.57 | 42.34 |
| Recency | 15 March 2021 | 24 February 2025 |
| Physical cores | 48 | 32 |
| Threads | 96 | 64 |
| Power consumption (TDP) | 225 Watt | 250 Watt |
EPYC 7643 has a 3% higher aggregate performance score, 50% more physical cores and 50% more threads, and 11% lower power consumption.
Xeon 6730P, on the other hand, has an age advantage of 3 years.
Given the minimal performance differences, no clear winner can be declared between AMD EPYC 7643 and Intel Xeon 6730P.
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