AMD EPYC 7H12 vs AMD EPYC 7642

Comparative analysis of AMD EPYC 7H12 and AMD EPYC 7642 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 7642

Differences

Reasons to consider the AMD EPYC 7H12

CPU is newer: launch date 1 month(s) later
16 more cores, run more applications at once: 64 vs 48
32 more threads: 128 vs 96
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 4% better performance in PassMark - CPU mark: 97573 vs 94050

Specifications (specs)
Launch date	18 Sep 2019 vs 7 Aug 2019
Number of cores	64 vs 48
Number of threads	128 vs 96
L1 cache	6 MB vs 4.5 MB
L2 cache	32 MB vs 24 MB
Benchmarks
PassMark - CPU mark	97573 vs 94050

Reasons to consider the AMD EPYC 7642

Around 3% higher clock speed: 3.4 GHz vs 3.3 GHz
Around 24% lower typical power consumption: 225 Watt vs 280 Watt
Around 6% better performance in PassMark - Single thread mark: 2140 vs 2022

Specifications (specs)
Maximum frequency	3.4 GHz vs 3.3 GHz
Thermal Design Power (TDP)	225 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	2140 vs 2022

Compare benchmarks

CPU 1: AMD EPYC 7H12
CPU 2: AMD EPYC 7642

PassMark - Single thread mark

CPU 1

CPU 2

2022

2140

PassMark - CPU mark

CPU 1

CPU 2

97573

94050

Name	AMD EPYC 7H12	AMD EPYC 7642
PassMark - Single thread mark	2022	2140
PassMark - CPU mark	97573	94050

Compare specifications (specs)

	AMD EPYC 7H12	AMD EPYC 7642
Essentials
Architecture codename	Zen 2	Zen 2
Launch date	18 Sep 2019	7 Aug 2019
Place in performance rating	139	136
Vertical segment		Server
Performance
Base frequency	2.6 GHz	2.4 GHz
Die size	74 mm²
L1 cache	6 MB	4.5 MB
L2 cache	32 MB	24 MB
L3 cache	256 MB	256 MB
Manufacturing process technology	7 nm	7 nm
Maximum frequency	3.3 GHz	3.4 GHz
Number of cores	64	48
Number of threads	128	96
Transistor count	3800 million
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Supported memory types	DDR4-3200	DDR4-3200
Maximum memory bandwidth		190.7 GB/s
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	2	2
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	280 Watt	225 Watt
Peripherals
PCI Express revision	4.0	4.0
Max number of PCIe lanes		128
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™)