AMD EPYC 7452 vs AMD EPYC 7551

Comparative analysis of AMD EPYC 7452 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 7452

AMD EPYC 7551

Differences

Reasons to consider the AMD EPYC 7452

CPU is newer: launch date 2 year(s) 2 month(s) later
Around 12% higher clock speed: 3.35 GHz vs 3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 16% lower typical power consumption: 155 Watt vs 180 Watt
Around 24% better performance in PassMark - Single thread mark: 2160 vs 1742
Around 37% better performance in PassMark - CPU mark: 77746 vs 56671

Specifications (specs)
Launch date	7 Aug 2019 vs June 2017
Maximum frequency	3.35 GHz vs 3 GHz
Manufacturing process technology	7 nm, 14 nm vs 14 nm
L3 cache	128 MB vs 64 MB
Thermal Design Power (TDP)	155 Watt vs 180 Watt
Benchmarks
PassMark - Single thread mark	2160 vs 1742
PassMark - CPU mark	77746 vs 56671

Reasons to consider the AMD EPYC 7551

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later

Unlocked	Unlocked vs Locked
L1 cache	96 KB (per core) vs 2 MB

Compare benchmarks

CPU 1: AMD EPYC 7452
CPU 2: AMD EPYC 7551

PassMark - Single thread mark

CPU 1

CPU 2

2160

1742

PassMark - CPU mark

CPU 1

CPU 2

77746

56671

Name	AMD EPYC 7452	AMD EPYC 7551
PassMark - Single thread mark	2160	1742
PassMark - CPU mark	77746	56671
Geekbench 4 - Single Core		2956
Geekbench 4 - Multi-Core		20125

Compare specifications (specs)

	AMD EPYC 7452	AMD EPYC 7551
Essentials
Architecture codename	Zen 2	Zen
Launch date	7 Aug 2019	June 2017
Launch price (MSRP)	$2025
OPN PIB	100-100000057WOF
OPN Tray	100-000000057
Place in performance rating	196	230
Vertical segment	Server	Server
Family		AMD EPYC
Price now		$3,813.99
Series		AMD EPYC 7000 Series
Value for money (0-100)		1.43
Performance
Base frequency	2.35 GHz	2 GHz
L1 cache	2 MB	96 KB (per core)
L2 cache	16 MB	512 KB (per core)
L3 cache	128 MB	64 MB
Manufacturing process technology	7 nm, 14 nm	14 nm
Maximum frequency	3.35 GHz	3 GHz
Number of cores	32	32
Number of threads	64	64
64 bit support
Die size		192 mm
Transistor count		4800 million
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	190.7 GB/s	341 GB/s
Maximum memory size	4 TB
Supported memory types	DDR4-3200	DDR4
Supported memory frequency		2666 MHz
Compatibility
Max number of CPUs in a configuration	2	2
Socket Count	1P/2P	1P/2P
Sockets supported	SP3	TR4
Thermal Design Power (TDP)	155 Watt	180 Watt
Peripherals
Max number of PCIe lanes	128
PCI Express revision	4.0	x128
PCIe configurations	x16, x8
Virtualization
AMD Virtualization (AMD-V™)