AMD EPYC 7642 vs AMD EPYC 7343

Comparative analysis of AMD EPYC 7642 and AMD EPYC 7343 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 7642

AMD EPYC 7343

Differences

Reasons to consider the AMD EPYC 7642

Processor is unlocked, an unlocked multiplier allows for easier overclocking
32 more cores, run more applications at once: 48 vs 16
64 more threads: 96 vs 32
4.5x more L1 cache, more data can be stored in the L1 cache for quick access later
3x 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 27% better performance in PassMark - CPU mark: 94050 vs 73934

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	48 vs 16
Number of threads	96 vs 32
L1 cache	4.5 MB vs 1 MB
L2 cache	24 MB vs 8 MB
L3 cache	256 MB vs 128 MB
Benchmarks
PassMark - CPU mark	94050 vs 73934

Reasons to consider the AMD EPYC 7343

CPU is newer: launch date 1 year(s) 7 month(s) later
Around 15% higher clock speed: 3.9 GHz vs 3.4 GHz
Around 18% lower typical power consumption: 190 Watt vs 225 Watt
Around 31% better performance in PassMark - Single thread mark: 2806 vs 2140

Specifications (specs)
Launch date	15 Mar 2021 vs 7 Aug 2019
Maximum frequency	3.9 GHz vs 3.4 GHz
Thermal Design Power (TDP)	190 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	2806 vs 2140

Compare benchmarks

CPU 1: AMD EPYC 7642
CPU 2: AMD EPYC 7343

PassMark - Single thread mark

CPU 1

CPU 2

2140

2806

PassMark - CPU mark

CPU 1

CPU 2

94050

73934

Name	AMD EPYC 7642	AMD EPYC 7343
PassMark - Single thread mark	2140	2806
PassMark - CPU mark	94050	73934

Compare specifications (specs)

	AMD EPYC 7642	AMD EPYC 7343
Essentials
Architecture codename	Zen 2	Zen 3
Launch date	7 Aug 2019	15 Mar 2021
Place in performance rating	110	101
Vertical segment	Server	Server
Launch price (MSRP)		$1565
OPN PIB		100-100000338WOF
OPN Tray		100-000000338
Performance
Base frequency	2.4 GHz	3.2 GHz
L1 cache	4.5 MB	1 MB
L2 cache	24 MB	8 MB
L3 cache	256 MB	128 MB
Manufacturing process technology	7 nm	7 nm+
Maximum frequency	3.4 GHz	3.9 GHz
Number of cores	48	16
Number of threads	96	32
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	190.7 GB/s	190.73 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
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	225 Watt	190 Watt
Configurable TDP		165-200 Watt
Socket Count		1P/2P
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™)