AMD EPYC 7643 vs AMD EPYC 7502
Comparative analysis of AMD EPYC 7643 and AMD EPYC 7502 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.
Differences
Reasons to consider the AMD EPYC 7643
- CPU is newer: launch date 1 year(s) 7 month(s) later
- 16 more cores, run more applications at once: 48 vs 32
- 32 more threads: 96 vs 64
- Around 7% higher clock speed: 3.6 GHz vs 3.35 GHz
- Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
- Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 10% better performance in PassMark - CPU mark: 88348 vs 80300
Specifications (specs) | |
Launch date | 15 Mar 2021 vs 7 Aug 2019 |
Number of cores | 48 vs 32 |
Number of threads | 96 vs 64 |
Maximum frequency | 3.6 GHz vs 3.35 GHz |
L1 cache | 3 MB vs 2 MB |
L2 cache | 24 MB vs 16 MB |
L3 cache | 256 MB vs 128 MB |
Benchmarks | |
PassMark - CPU mark | 88348 vs 80300 |
Reasons to consider the AMD EPYC 7502
- Around 33% lower typical power consumption: 180 Watt vs 240 Watt
- Around 14% better performance in PassMark - Single thread mark: 2189 vs 1915
Specifications (specs) | |
Thermal Design Power (TDP) | 180 Watt vs 240 Watt |
Benchmarks | |
PassMark - Single thread mark | 2189 vs 1915 |
Compare benchmarks
CPU 1: AMD EPYC 7643
CPU 2: AMD EPYC 7502
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD EPYC 7643 | AMD EPYC 7502 |
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PassMark - Single thread mark | 1915 | 2189 |
PassMark - CPU mark | 88348 | 80300 |
Compare specifications (specs)
AMD EPYC 7643 | AMD EPYC 7502 | |
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Essentials |
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Architecture codename | Zen 3 | Zen 2 |
Launch date | 15 Mar 2021 | 7 Aug 2019 |
Launch price (MSRP) | $4995 | $2600 |
OPN PIB | 100-100000326WOF | 100-100000054WOF |
OPN Tray | 100-000000326 | 100-000000054 |
Place in performance rating | 224 | 216 |
Vertical segment | Server | Server |
Family | EPYC | |
Processor Number | 7502 | |
Series | 7002 | |
Performance |
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Base frequency | 2.3 GHz | 2.5 GHz |
L1 cache | 3 MB | 2 MB |
L2 cache | 24 MB | 16 MB |
L3 cache | 256 MB | 128 MB |
Manufacturing process technology | 7 nm+ | |
Maximum frequency | 3.6 GHz | 3.35 GHz |
Number of cores | 48 | 32 |
Number of threads | 96 | 64 |
Unlocked | ||
Memory |
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ECC memory support | ||
Max memory channels | 8 | 8 |
Maximum memory bandwidth | 190.73 GB/s | 204.8 GB/s |
Maximum memory size | 4 TB | 4 TB |
Supported memory types | DDR4-3200 | DDR4-3200 |
Compatibility |
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Configurable TDP | 225-240 Watt | |
Socket Count | 1P/2P | 1P/2P |
Sockets supported | SP3 | SP3 |
Thermal Design Power (TDP) | 240 Watt | 180 Watt |
Peripherals |
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Max number of PCIe lanes | 128 | 128 |
PCI Express revision | 4.0 | 4.0 |
PCIe configurations | x16, x8 | |
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™) |