AMD EPYC 7453 vs AMD EPYC 7742

Comparative analysis of AMD EPYC 7453 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 7453

AMD EPYC 7742

Differences

Reasons to consider the AMD EPYC 7453

CPU is newer: launch date 1 year(s) 7 month(s) later
Around 1% higher clock speed: 3.45 GHz vs 3.4 GHz
Around 16% better performance in PassMark - Single thread mark: 2371 vs 2046

Specifications (specs)
Launch date	15 Mar 2021 vs 7 Aug 2019
Maximum frequency	3.45 GHz vs 3.4 GHz
Benchmarks
PassMark - Single thread mark	2371 vs 2046

Reasons to consider the AMD EPYC 7742

36 more cores, run more applications at once: 64 vs 28
72 more threads: 128 vs 56
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
2.3x 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 17% better performance in PassMark - CPU mark: 94081 vs 80327

Specifications (specs)
Number of cores	64 vs 28
Number of threads	128 vs 56
L1 cache	4 MB vs 1792 KB
L2 cache	32 MB vs 14 MB
L3 cache	256 MB vs 64 MB
Benchmarks
PassMark - CPU mark	94081 vs 80327

Compare benchmarks

CPU 1: AMD EPYC 7453
CPU 2: AMD EPYC 7742

PassMark - Single thread mark

CPU 1

CPU 2

2371

2046

PassMark - CPU mark

CPU 1

CPU 2

80327

94081

Name	AMD EPYC 7453	AMD EPYC 7742
PassMark - Single thread mark	2371	2046
PassMark - CPU mark	80327	94081

Compare specifications (specs)

	AMD EPYC 7453	AMD EPYC 7742
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	15 Mar 2021	7 Aug 2019
Launch price (MSRP)	$1570
OPN PIB	100-100000319WOF
OPN Tray	100-000000319
Place in performance rating	222	216
Vertical segment	Server	Server
Performance
Base frequency	2.75 GHz	2.25 GHz
L1 cache	1792 KB	4 MB
L2 cache	14 MB	32 MB
L3 cache	64 MB	256 MB
Manufacturing process technology	7 nm+	7 nm, 14 nm
Maximum frequency	3.45 GHz	3.4 GHz
Number of cores	28	64
Number of threads	56	128
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	190.73 GB/s	190.7 GB/s
Maximum memory size	4 TB	4 TB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Configurable TDP	225-240 Watt
Socket Count	2P
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	225 Watt	225 Watt
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	128	128
PCI Express revision	4.0	4.0
PCIe configurations		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™)