AMD EPYC 7643 processor review
EPYC 7643 processor released by AMD; release date: 15 Mar 2021. At the time of release, the processor cost $4995. The processor is designed for server-computers and based on Zen 3 microarchitecture.
CPU is unlocked for overclocking. Total number of cores - 48, threads - 96. Maximum CPU clock speed - 3.6 GHz. Manufacturing process technology - 7 nm+. Cache size: L1 - 3 MB, L2 - 24 MB, L3 - 256 MB.
Supported memory types: DDR4-3200. Maximum memory size: 4 TB.
Supported socket types: SP3. Power consumption (TDP): 240 Watt.
Benchmarks
PassMark Single thread mark |
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PassMark CPU mark |
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Name | Value |
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PassMark - Single thread mark | 1915 |
PassMark - CPU mark | 88348 |
Specifications (specs)
Essentials |
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Architecture codename | Zen 3 |
Launch date | 15 Mar 2021 |
Launch price (MSRP) | $4995 |
OPN PIB | 100-100000326WOF |
OPN Tray | 100-000000326 |
Place in performance rating | 223 |
Vertical segment | Server |
Performance |
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Base frequency | 2.3 GHz |
L1 cache | 3 MB |
L2 cache | 24 MB |
L3 cache | 256 MB |
Manufacturing process technology | 7 nm+ |
Maximum frequency | 3.6 GHz |
Number of cores | 48 |
Number of threads | 96 |
Unlocked | |
Memory |
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ECC memory support | |
Max memory channels | 8 |
Maximum memory bandwidth | 190.73 GB/s |
Maximum memory size | 4 TB |
Supported memory types | DDR4-3200 |
Compatibility |
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Configurable TDP | 225-240 Watt |
Socket Count | 1P/2P |
Sockets supported | SP3 |
Thermal Design Power (TDP) | 240 Watt |
Peripherals |
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Max number of PCIe lanes | 128 |
PCI Express revision | 4.0 |
Advanced Technologies |
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AMD SenseMI | |
Fused Multiply-Add 3 (FMA3) | |
Intel® Advanced Vector Extensions (AVX) | |
Intel® Advanced Vector Extensions 2 (AVX2) | |
Intel® AES New Instructions | |
Virtualization |
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AMD Virtualization (AMD-V™) |