AMD EPYC 7452 vs AMD EPYC 7742

Comparative analysis of AMD EPYC 7452 and AMD EPYC 7742 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.

AMD EPYC 7452

AMD EPYC 7742

Differences

Reasons to consider the AMD EPYC 7452

Around 45% lower typical power consumption: 155 Watt vs 225 Watt

Thermal Design Power (TDP)	155 Watt vs 225 Watt

Reasons to consider the AMD EPYC 7742

32 more cores, run more applications at once: 64 vs 32
64 more threads: 128 vs 64
Around 1% higher clock speed: 3.4 GHz vs 3.35 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
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 12% better performance in PassMark - Single thread mark: 2046 vs 1829
Around 44% better performance in PassMark - CPU mark: 94081 vs 65147

Specifications (specs)
Number of cores	64 vs 32
Number of threads	128 vs 64
Maximum frequency	3.4 GHz vs 3.35 GHz
L1 cache	4 MB vs 2 MB
L2 cache	32 MB vs 16 MB
L3 cache	256 MB vs 128 MB
Benchmarks
PassMark - Single thread mark	2046 vs 1829
PassMark - CPU mark	94081 vs 65147

Compare benchmarks

CPU 1: AMD EPYC 7452
CPU 2: AMD EPYC 7742

PassMark - Single thread mark

CPU 1

CPU 2

1829

2046

PassMark - CPU mark

CPU 1

CPU 2

65147

94081

Name	AMD EPYC 7452	AMD EPYC 7742
PassMark - Single thread mark	1829	2046
PassMark - CPU mark	65147	94081

Compare specifications (specs)

	AMD EPYC 7452	AMD EPYC 7742
Essentials
Architecture codename	Zen 2	Zen 2
Launch date	7 Aug 2019	7 Aug 2019
Launch price (MSRP)	$2025
OPN PIB	100-100000057WOF
OPN Tray	100-000000057
Place in performance rating	573	216
Vertical segment	Server	Server
Performance
Base frequency	2.35 GHz	2.25 GHz
L1 cache	2 MB	4 MB
L2 cache	16 MB	32 MB
L3 cache	128 MB	256 MB
Manufacturing process technology	7 nm, 14 nm	7 nm, 14 nm
Maximum frequency	3.35 GHz	3.4 GHz
Number of cores	32	64
Number of threads	64	128
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	190.7 GB/s	190.7 GB/s
Maximum memory size	4 TB	4 TB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Max number of CPUs in a configuration	2	2
Socket Count	1P/2P
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	155 Watt	225 Watt
Peripherals
Max number of PCIe lanes	128	128
PCI Express revision	4.0	4.0
PCIe configurations	x16, x8	x16, x8
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)