AMD EPYC 7351 vs AMD EPYC 7551

Comparative analysis of AMD EPYC 7351 and AMD EPYC 7551 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.

AMD EPYC 7351

AMD EPYC 7551

Differences

Reasons to consider the AMD EPYC 7351

Around 6% lower typical power consumption: 155/170 Watt vs 180 Watt
Around 20% better performance in Geekbench 4 - Single Core: 3547 vs 2956
Around 17% better performance in Geekbench 4 - Multi-Core: 23587 vs 20125

Specifications (specs)
Thermal Design Power (TDP)	155/170 Watt vs 180 Watt
Benchmarks
Geekbench 4 - Single Core	3547 vs 2956
Geekbench 4 - Multi-Core	23587 vs 20125

Reasons to consider the AMD EPYC 7551

16 more cores, run more applications at once: 32 vs 16
32 more threads: 64 vs 32
Around 3% higher clock speed: 3 GHz vs 2.9 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 1790 vs 1747
2.3x better performance in PassMark - CPU mark: 57841 vs 25431

Specifications (specs)
Number of cores	32 vs 16
Number of threads	64 vs 32
Maximum frequency	3 GHz vs 2.9 GHz
L1 cache	96 KB (per core) vs 96 KB (per core)
L2 cache	512 KB (per core) vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1790 vs 1747
PassMark - CPU mark	57841 vs 25431

Compare benchmarks

CPU 1: AMD EPYC 7351
CPU 2: AMD EPYC 7551

PassMark - Single thread mark

CPU 1

CPU 2

1747

1790

PassMark - CPU mark

CPU 1

CPU 2

25431

57841

Geekbench 4 - Single Core

CPU 1

CPU 2

3547

2956

Geekbench 4 - Multi-Core

CPU 1

CPU 2

23587

20125

Name	AMD EPYC 7351	AMD EPYC 7551
PassMark - Single thread mark	1747	1790
PassMark - CPU mark	25431	57841
Geekbench 4 - Single Core	3547	2956
Geekbench 4 - Multi-Core	23587	20125

Compare specifications (specs)

	AMD EPYC 7351	AMD EPYC 7551
Essentials
Architecture codename	Zen	Zen
Family	AMD EPYC	AMD EPYC
Launch date	June 2017	June 2017
Place in performance rating	248	263
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	2.4 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	2.9 GHz	3 GHz
Number of cores	16	32
Number of threads	32	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™)