AMD EPYC 7663 vs AMD EPYC 7401

Comparative analysis of AMD EPYC 7663 and AMD EPYC 7401 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD EPYC 7663

• CPU is newer: launch date 3 year(s) 9 month(s) later
• 32 more cores, run more applications at once: 56 vs 24
• 64 more threads: 112 vs 48
• Around 17% higher clock speed: 3.5 GHz vs 3 GHz
• A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
• Around 56% more L1 cache; more data can be stored in the L1 cache for quick access later
• 2.3x more L2 cache, more data can be stored in the L2 cache for quick access later
• 4x more L3 cache, more data can be stored in the L3 cache for quick access later
• Around 41% better performance in PassMark - Single thread mark: 2606 vs 1850
• Around 48% better performance in PassMark - CPU mark: 82087 vs 55280

Reasons to consider the AMD EPYC 7401

• Processor is unlocked, an unlocked multiplier allows for easier overclocking
• Around 41% lower typical power consumption: 155/170 Watt vs 240 Watt

Compare benchmarks

CPU 1: AMD EPYC 7663
CPU 2: AMD EPYC 7401

PassMark - Single thread mark	CPU 1 CPU 2	2606 1850
PassMark - CPU mark	CPU 1 CPU 2	82087 55280

Compare specifications (specs)