AMD EPYC 7H12 vs AMD EPYC 7343

Comparative analysis of AMD EPYC 7H12 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 7H12

AMD EPYC 7343

Differences

Reasons to consider the AMD EPYC 7H12

Processor is unlocked, an unlocked multiplier allows for easier overclocking
48 more cores, run more applications at once: 64 vs 16
96 more threads: 128 vs 32
6x more L1 cache, more data can be stored in the L1 cache for quick access later
4x 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 34% better performance in PassMark - CPU mark: 97573 vs 73010

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	64 vs 16
Number of threads	128 vs 32
L1 cache	6 MB vs 1 MB
L2 cache	32 MB vs 8 MB
L3 cache	256 MB vs 128 MB
Benchmarks
PassMark - CPU mark	97573 vs 73010

Reasons to consider the AMD EPYC 7343

CPU is newer: launch date 1 year(s) 5 month(s) later
Around 18% higher clock speed: 3.9 GHz vs 3.3 GHz
Around 47% lower typical power consumption: 190 Watt vs 280 Watt
Around 41% better performance in PassMark - Single thread mark: 2852 vs 2022

Specifications (specs)
Launch date	15 Mar 2021 vs 18 Sep 2019
Maximum frequency	3.9 GHz vs 3.3 GHz
Thermal Design Power (TDP)	190 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	2852 vs 2022

Compare benchmarks

CPU 1: AMD EPYC 7H12
CPU 2: AMD EPYC 7343

PassMark - Single thread mark

CPU 1

CPU 2

2022

2852

PassMark - CPU mark

CPU 1

CPU 2

97573

73010

Name	AMD EPYC 7H12	AMD EPYC 7343
PassMark - Single thread mark	2022	2852
PassMark - CPU mark	97573	73010

Compare specifications (specs)

	AMD EPYC 7H12	AMD EPYC 7343
Essentials
Architecture codename	Zen 2	Zen 3
Launch date	18 Sep 2019	15 Mar 2021
Place in performance rating	198	158
Launch price (MSRP)		$1565
OPN PIB		100-100000338WOF
OPN Tray		100-000000338
Vertical segment		Server
Performance
Base frequency	2.6 GHz	3.2 GHz
Die size	74 mm²
L1 cache	6 MB	1 MB
L2 cache	32 MB	8 MB
L3 cache	256 MB	128 MB
Manufacturing process technology	7 nm	7 nm+
Maximum frequency	3.3 GHz	3.9 GHz
Number of cores	64	16
Number of threads	128	32
Transistor count	3800 million
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Supported memory types	DDR4-3200	DDR4-3200
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	280 Watt	190 Watt
Configurable TDP		165-200 Watt
Socket Count		1P/2P
Peripherals
PCI Express revision	4.0	4.0
Max number of PCIe lanes		128
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™)