AMD EPYC 9454 vs AMD EPYC 7542

Comparative analysis of AMD EPYC 9454 and AMD EPYC 7542 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 9454

AMD EPYC 7542

Differences

Reasons to consider the AMD EPYC 9454

CPU is newer: launch date 3 year(s) 3 month(s) later
16 more cores, run more applications at once: 48 vs 32
32 more threads: 96 vs 64
Around 12% higher clock speed: 3.8 GHz vs 3.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm, 14 nm
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 45% better performance in PassMark - Single thread mark: 2982 vs 2063
Around 75% better performance in PassMark - CPU mark: 129701 vs 74148

Specifications (specs)
Launch date	10 Nov 2022 vs 7 Aug 2019
Number of cores	48 vs 32
Number of threads	96 vs 64
Maximum frequency	3.8 GHz vs 3.4 GHz
Manufacturing process technology	5 nm vs 7 nm, 14 nm
L1 cache	64K (per core) vs 2 MB
Benchmarks
PassMark - Single thread mark	2982 vs 2063
PassMark - CPU mark	129701 vs 74148

Reasons to consider the AMD EPYC 7542

349525.3x more L2 cache, more data can be stored in the L2 cache for quick access later
524288x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 29% lower typical power consumption: 225 Watt vs 290 Watt

L2 cache	16 MB vs 1MB (per core)
L3 cache	128 MB vs 256MB (shared)
Thermal Design Power (TDP)	225 Watt vs 290 Watt

Compare benchmarks

CPU 1: AMD EPYC 9454
CPU 2: AMD EPYC 7542

PassMark - Single thread mark

CPU 1

CPU 2

2982

2063

PassMark - CPU mark

CPU 1

CPU 2

129701

74148

Name	AMD EPYC 9454	AMD EPYC 7542
PassMark - Single thread mark	2982	2063
PassMark - CPU mark	129701	74148

Compare specifications (specs)

	AMD EPYC 9454	AMD EPYC 7542
Essentials
Launch date	10 Nov 2022	7 Aug 2019
Launch price (MSRP)	$5225	$3400
Place in performance rating	20	370
Architecture codename		Zen 2
OPN PIB		100-100000075WOF
OPN Tray		100-000000075
Vertical segment		Server
Performance
Base frequency	2.75 GHz	2.9 GHz
Die size	8x 72 mm²
L1 cache	64K (per core)	2 MB
L2 cache	1MB (per core)	16 MB
L3 cache	256MB (shared)	128 MB
Manufacturing process technology	5 nm	7 nm, 14 nm
Maximum frequency	3.8 GHz	3.4 GHz
Number of cores	48	32
Number of threads	96	64
Transistor count	52,560 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Twelve-channel	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.7 GB/s
Maximum memory size		4 TB
Compatibility
Configurable TDP	240-300 Watt
Max number of CPUs in a configuration	2
Sockets supported	SP5	SP3
Thermal Design Power (TDP)	290 Watt	225 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 5, 128 Lanes, (CPU only)
Max number of PCIe lanes		128
PCI Express revision		4.0
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™)