AMD EPYC 7401 vs AMD EPYC 7551

Comparative analysis of AMD EPYC 7401 and AMD EPYC 7551 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD EPYC 7401

  • Around 6% lower typical power consumption: 155/170 Watt vs 180 Watt
  • Around 20% better performance in Geekbench 4 - Single Core: 3541 vs 2956
  • Around 23% better performance in Geekbench 4 - Multi-Core: 24681 vs 20125
  • Around 7% better performance in PassMark - Single thread mark: 1850 vs 1726
Specifications (specs)
Thermal Design Power (TDP) 155/170 Watt vs 180 Watt
Benchmarks
Geekbench 4 - Single Core 3541 vs 2956
Geekbench 4 - Multi-Core 24681 vs 20125
PassMark - Single thread mark 1850 vs 1726

Reasons to consider the AMD EPYC 7551

  • 8 more cores, run more applications at once: 32 vs 24
  • 16 more threads: 64 vs 48
  • Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 1% better performance in PassMark - CPU mark: 55754 vs 55280
Specifications (specs)
Number of cores 32 vs 24
Number of threads 64 vs 48
L1 cache 96 KB (per core) vs 96 KB (per core)
L2 cache 512 KB (per core) vs 512 KB (per core)
Benchmarks
PassMark - CPU mark 55754 vs 55280

Compare benchmarks

CPU 1: AMD EPYC 7401
CPU 2: AMD EPYC 7551

Geekbench 4 - Single Core
CPU 1
CPU 2
3541
2956
Geekbench 4 - Multi-Core
CPU 1
CPU 2
24681
20125
PassMark - Single thread mark
CPU 1
CPU 2
1850
1726
PassMark - CPU mark
CPU 1
CPU 2
55280
55754
Name AMD EPYC 7401 AMD EPYC 7551
Geekbench 4 - Single Core 3541 2956
Geekbench 4 - Multi-Core 24681 20125
PassMark - Single thread mark 1850 1726
PassMark - CPU mark 55280 55754

Compare specifications (specs)

AMD EPYC 7401 AMD EPYC 7551

Essentials

Architecture codename Zen Zen
Family AMD EPYC AMD EPYC
Launch date June 2017 June 2017
Place in performance rating 120 239
Series AMD EPYC 7000 Series AMD EPYC 7000 Series
Vertical segment Server Server
Price now $3,813.99
Value for money (0-100) 1.43

Performance

64 bit support
Base frequency 2 GHz 2 GHz
Die size 192 mm 192 mm
L1 cache 96 KB (per core) 96 KB (per core)
L2 cache 512 KB (per core) 512 KB (per core)
L3 cache 64 MB 64 MB
Manufacturing process technology 14 nm 14 nm
Maximum frequency 3 GHz 3 GHz
Number of cores 24 32
Number of threads 48 64
Transistor count 4800 million 4800 million
Unlocked

Memory

Max memory channels 8 8
Maximum memory bandwidth 307/341 GB/s 341 GB/s
Supported memory frequency 2400/2666 MHz 2666 MHz
Supported memory types DDR4 DDR4

Compatibility

Max number of CPUs in a configuration 2 2
Socket Count 1P/2P 1P/2P
Sockets supported TR4 TR4
Thermal Design Power (TDP) 155/170 Watt 180 Watt

Peripherals

PCI Express revision x128 x128

Virtualization

AMD Virtualization (AMD-V™)