AMD EPYC 7742 vs AMD EPYC 7401

Comparative analysis of AMD EPYC 7742 and AMD EPYC 7401 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD EPYC 7742

• CPU is newer: launch date 2 year(s) 2 month(s) later
• 40 more cores, run more applications at once: 64 vs 24
• 80 more threads: 128 vs 48
• Around 13% higher clock speed: 3.4 GHz vs 3 GHz
• A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
• Around 78% more L1 cache; more data can be stored in the L1 cache for quick access later
• 2.7x 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 11% better performance in PassMark - Single thread mark: 2046 vs 1850
• Around 70% better performance in PassMark - CPU mark: 94081 vs 55280

Reasons to consider the AMD EPYC 7401

• Processor is unlocked, an unlocked multiplier allows for easier overclocking
• Around 32% lower typical power consumption: 155/170 Watt vs 225 Watt

Compare benchmarks

CPU 1: AMD EPYC 7742
CPU 2: AMD EPYC 7401

PassMark - Single thread mark	CPU 1 CPU 2	2046 1850
PassMark - CPU mark	CPU 1 CPU 2	94081 55280

Compare specifications (specs)