AMD EPYC 7642 vs AMD EPYC 7702
Comparative analysis of AMD EPYC 7642 and AMD EPYC 7702 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 7642
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 1% higher clock speed: 3.4 GHz vs 3.35 GHz
- Around 13% more L1 cache; more data can be stored in the L1 cache for quick access later
- Around 1% better performance in PassMark - Single thread mark: 2140 vs 2116
- Around 1% better performance in PassMark - CPU mark: 94050 vs 93307
Specifications (specs) | |
Unlocked | Unlocked vs Locked |
Maximum frequency | 3.4 GHz vs 3.35 GHz |
L1 cache | 4.5 MB vs 4 MB |
Benchmarks | |
PassMark - Single thread mark | 2140 vs 2116 |
PassMark - CPU mark | 94050 vs 93307 |
Reasons to consider the AMD EPYC 7702
- 16 more cores, run more applications at once: 64 vs 48
- 32 more threads: 128 vs 96
- Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
- Around 13% lower typical power consumption: 200 Watt vs 225 Watt
Number of cores | 64 vs 48 |
Number of threads | 128 vs 96 |
L2 cache | 32 MB vs 24 MB |
Thermal Design Power (TDP) | 200 Watt vs 225 Watt |
Compare benchmarks
CPU 1: AMD EPYC 7642
CPU 2: AMD EPYC 7702
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD EPYC 7642 | AMD EPYC 7702 |
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PassMark - Single thread mark | 2140 | 2116 |
PassMark - CPU mark | 94050 | 93307 |
Compare specifications (specs)
AMD EPYC 7642 | AMD EPYC 7702 | |
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Essentials |
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Architecture codename | Zen 2 | Zen 2 |
Launch date | 7 Aug 2019 | 7 Aug 2019 |
Place in performance rating | 136 | 153 |
Vertical segment | Server | Server |
Launch price (MSRP) | $6450 | |
OPN PIB | 100-100000038WOF | |
OPN Tray | 100-000000038 | |
Performance |
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Base frequency | 2.4 GHz | 2.0 GHz |
L1 cache | 4.5 MB | 4 MB |
L2 cache | 24 MB | 32 MB |
L3 cache | 256 MB | 256 MB |
Manufacturing process technology | 7 nm | 7 nm, 14 nm |
Maximum frequency | 3.4 GHz | 3.35 GHz |
Number of cores | 48 | 64 |
Number of threads | 96 | 128 |
Unlocked | ||
Memory |
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ECC memory support | ||
Max memory channels | 8 | 8 |
Maximum memory bandwidth | 190.7 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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Max number of CPUs in a configuration | 2 | |
Sockets supported | SP3 | SP3 |
Thermal Design Power (TDP) | 225 Watt | 200 Watt |
Socket Count | 1P/2P | |
Peripherals |
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Max number of PCIe lanes | 128 | 128 |
PCI Express revision | 4.0 | 4.0 |
PCIe configurations | x16, x8 | 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™) |