AMD EPYC 7702 vs AMD EPYC 7742

Comparative analysis of AMD EPYC 7702 and AMD EPYC 7742 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 7702

AMD EPYC 7742

Differences

Reasons to consider the AMD EPYC 7702

Around 13% lower typical power consumption: 200 Watt vs 225 Watt
Around 3% better performance in PassMark - Single thread mark: 2116 vs 2046

Specifications (specs)
Thermal Design Power (TDP)	200 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	2116 vs 2046

Reasons to consider the AMD EPYC 7742

Around 1% higher clock speed: 3.4 GHz vs 3.35 GHz
Around 1% better performance in PassMark - CPU mark: 94081 vs 93307

Specifications (specs)
Maximum frequency	3.4 GHz vs 3.35 GHz
Benchmarks
PassMark - CPU mark	94081 vs 93307

Compare benchmarks

CPU 1: AMD EPYC 7702
CPU 2: AMD EPYC 7742

PassMark - Single thread mark

CPU 1

CPU 2

2116

2046

PassMark - CPU mark

CPU 1

CPU 2

93307

94081

Name	AMD EPYC 7702	AMD EPYC 7742
PassMark - Single thread mark	2116	2046
PassMark - CPU mark	93307	94081

Compare specifications (specs)

	AMD EPYC 7702	AMD EPYC 7742
Essentials
Architecture codename	Zen 2	Zen 2
Launch date	7 Aug 2019	7 Aug 2019
Launch price (MSRP)	$6450
OPN PIB	100-100000038WOF
OPN Tray	100-000000038
Place in performance rating	153	160
Vertical segment	Server	Server
Performance
Base frequency	2.0 GHz	2.25 GHz
L1 cache	4 MB	4 MB
L2 cache	32 MB	32 MB
L3 cache	256 MB	256 MB
Manufacturing process technology	7 nm, 14 nm	7 nm, 14 nm
Maximum frequency	3.35 GHz	3.4 GHz
Number of cores	64	64
Number of threads	128	128
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	204.8 GB/s	190.7 GB/s
Maximum memory size	4 TB	4 TB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Socket Count	1P/2P
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	200 Watt	225 Watt
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	128	128
PCI Express revision	4.0	4.0
PCIe configurations	x16, x8	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™)