AMD EPYC 7662 vs AMD EPYC 7301

Comparative analysis of AMD EPYC 7662 and AMD EPYC 7301 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD EPYC 7662

AMD EPYC 7301

Differences

Reasons to consider the AMD EPYC 7662

CPU is newer: launch date 2 year(s) 8 month(s) later
48 more cores, run more applications at once: 64 vs 16
96 more threads: 128 vs 32
Around 22% higher clock speed: 3.3 GHz vs 2.7 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
2.7x 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
4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 26% better performance in PassMark - Single thread mark: 2089 vs 1654
2.8x better performance in PassMark - CPU mark: 97178 vs 34148

Specifications (specs)
Launch date	19 Feb 2020 vs June 2017
Number of cores	64 vs 16
Number of threads	128 vs 32
Maximum frequency	3.3 GHz vs 2.7 GHz
Manufacturing process technology	7 nm, 14 nm vs 14 nm
L1 cache	4 MB vs 96 KB (per core)
L2 cache	32 MB vs 512 KB (per core)
L3 cache	256 MB vs 64 MB
Benchmarks
PassMark - Single thread mark	2089 vs 1654
PassMark - CPU mark	97178 vs 34148

Reasons to consider the AMD EPYC 7301

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 32% lower typical power consumption: 155/170 Watt vs 225 Watt

Unlocked	Unlocked vs Locked
Thermal Design Power (TDP)	155/170 Watt vs 225 Watt

Compare benchmarks

CPU 1: AMD EPYC 7662
CPU 2: AMD EPYC 7301

PassMark - Single thread mark

CPU 1

CPU 2

2089

1654

PassMark - CPU mark

CPU 1

CPU 2

97178

34148

Name	AMD EPYC 7662	AMD EPYC 7301
PassMark - Single thread mark	2089	1654
PassMark - CPU mark	97178	34148
Geekbench 4 - Single Core		2802
Geekbench 4 - Multi-Core		15384

Compare specifications (specs)

	AMD EPYC 7662	AMD EPYC 7301
Essentials
Architecture codename	Zen 3	Zen
Launch date	19 Feb 2020	June 2017
OPN PIB	100-100000137WOF
OPN Tray	100-000000137
Place in performance rating	187	560
Vertical segment	Server	Server
Family		AMD EPYC
Series		AMD EPYC 7000 Series
Performance
Base frequency	2.0 GHz	2.2 GHz
L1 cache	4 MB	96 KB (per core)
L2 cache	32 MB	512 KB (per core)
L3 cache	256 MB	64 MB
Manufacturing process technology	7 nm, 14 nm	14 nm
Maximum frequency	3.3 GHz	2.7 GHz
Number of cores	64	16
Number of threads	128	32
Unlocked
64 bit support
Die size		192 mm
Transistor count		4800 million
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	190.73 GB/s	307/341 GB/s
Maximum memory size	4 TB
Supported memory types	DDR4-3200	DDR4
Supported memory frequency		2400/2666 MHz
Compatibility
Socket Count	1P/2P	1P/2P
Sockets supported	SP3	TR4
Thermal Design Power (TDP)	225 Watt	155/170 Watt
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	128
PCI Express revision	4.0	x128
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™)