AMD EPYC 9124 vs AMD EPYC 7542

Comparative analysis of AMD EPYC 9124 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 9124

AMD EPYC 7542

Differences

Reasons to consider the AMD EPYC 9124

CPU is newer: launch date 3 year(s) 3 month(s) later
Around 9% higher clock speed: 3.7 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 13% lower typical power consumption: 200 Watt vs 225 Watt
Around 13% better performance in PassMark - Single thread mark: 2346 vs 2073

Specifications (specs)
Launch date	10 Nov 2022 vs 7 Aug 2019
Maximum frequency	3.7 GHz vs 3.4 GHz
Manufacturing process technology	5 nm vs 7 nm, 14 nm
Thermal Design Power (TDP)	200 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	2346 vs 2073

Reasons to consider the AMD EPYC 7542

16 more cores, run more applications at once: 32 vs 16
32 more threads: 64 vs 32
2x more L1 cache, more data can be stored in the L1 cache for quick access later
1048576x more L2 cache, more data can be stored in the L2 cache for quick access later
2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 17% better performance in PassMark - CPU mark: 73885 vs 63027

Specifications (specs)
Number of cores	32 vs 16
Number of threads	64 vs 32
L1 cache	2 MB vs 64K (per core)
L2 cache	16 MB vs 1MB (per core)
L3 cache	128 MB vs 64MB (shared)
Benchmarks
PassMark - CPU mark	73885 vs 63027

Compare benchmarks

CPU 1: AMD EPYC 9124
CPU 2: AMD EPYC 7542

PassMark - Single thread mark

CPU 1

CPU 2

2346

2073

PassMark - CPU mark

CPU 1

CPU 2

63027

73885

Name	AMD EPYC 9124	AMD EPYC 7542
PassMark - Single thread mark	2346	2073
PassMark - CPU mark	63027	73885

Compare specifications (specs)

	AMD EPYC 9124	AMD EPYC 7542
Essentials
Launch date	10 Nov 2022	7 Aug 2019
Launch price (MSRP)	$1083	$3400
Place in performance rating	311	293
Architecture codename		Zen 2
OPN PIB		100-100000075WOF
OPN Tray		100-000000075
Vertical segment		Server
Performance
Base frequency	3 GHz	2.9 GHz
Die size	4x 72 mm²
L1 cache	64K (per core)	2 MB
L2 cache	1MB (per core)	16 MB
L3 cache	64MB (shared)	128 MB
Manufacturing process technology	5 nm	7 nm, 14 nm
Maximum frequency	3.7 GHz	3.4 GHz
Number of cores	16	32
Number of threads	32	64
Transistor count	26,280 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	200-240 Watt
Max number of CPUs in a configuration	2
Sockets supported	SP5	SP3
Thermal Design Power (TDP)	200 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™)