AMD EPYC 7H12 vs AMD EPYC 7662

Comparative analysis of AMD EPYC 7H12 and AMD EPYC 7662 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 7662

Differences

Reasons to consider the AMD EPYC 7H12

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later

Specifications (specs)
Unlocked	Unlocked vs Locked
L1 cache	6 MB vs 4 MB
Benchmarks
PassMark - CPU mark	97573 vs 97178

Reasons to consider the AMD EPYC 7662

CPU is newer: launch date 5 month(s) later
Around 24% lower typical power consumption: 225 Watt vs 280 Watt
Around 3% better performance in PassMark - Single thread mark: 2089 vs 2022

Specifications (specs)
Launch date	19 Feb 2020 vs 18 Sep 2019
Thermal Design Power (TDP)	225 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	2089 vs 2022

Compare benchmarks

CPU 1: AMD EPYC 7H12
CPU 2: AMD EPYC 7662

PassMark - Single thread mark

CPU 1

CPU 2

2022

2089

PassMark - CPU mark

CPU 1

CPU 2

97573

97178

Name	AMD EPYC 7H12	AMD EPYC 7662
PassMark - Single thread mark	2022	2089
PassMark - CPU mark	97573	97178

Compare specifications (specs)

	AMD EPYC 7H12	AMD EPYC 7662
Essentials
Architecture codename	Zen 2	Zen 3
Launch date	18 Sep 2019	19 Feb 2020
Place in performance rating	139	130
OPN PIB		100-100000137WOF
OPN Tray		100-000000137
Vertical segment		Server
Performance
Base frequency	2.6 GHz	2.0 GHz
Die size	74 mm²
L1 cache	6 MB	4 MB
L2 cache	32 MB	32 MB
L3 cache	256 MB	256 MB
Manufacturing process technology	7 nm	7 nm, 14 nm
Maximum frequency	3.3 GHz	3.3 GHz
Number of cores	64	64
Number of threads	128	128
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	225 Watt
Socket Count		1P/2P
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™)