AMD EPYC 7773X vs AMD EPYC 7742

Comparative analysis of AMD EPYC 7773X 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 7773X

AMD EPYC 7742

Differences

Reasons to consider the AMD EPYC 7773X

CPU is newer: launch date 2 year(s) 7 month(s) later
Around 3% higher clock speed: 3.5 GHz vs 3.4 GHz
3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 19% better performance in PassMark - Single thread mark: 2430 vs 2046
Around 16% better performance in PassMark - CPU mark: 109334 vs 94081

Specifications (specs)
Launch date	22 Mar 2022 vs 7 Aug 2019
Maximum frequency	3.5 GHz vs 3.4 GHz
L3 cache	768 MB vs 256 MB
Benchmarks
PassMark - Single thread mark	2430 vs 2046
PassMark - CPU mark	109334 vs 94081

Reasons to consider the AMD EPYC 7742

Around 24% lower typical power consumption: 225 Watt vs 280 Watt

Thermal Design Power (TDP)	225 Watt vs 280 Watt

Compare benchmarks

CPU 1: AMD EPYC 7773X
CPU 2: AMD EPYC 7742

PassMark - Single thread mark

CPU 1

CPU 2

2430

2046

PassMark - CPU mark

CPU 1

CPU 2

109334

94081

Name	AMD EPYC 7773X	AMD EPYC 7742
PassMark - Single thread mark	2430	2046
PassMark - CPU mark	109334	94081

Compare specifications (specs)

	AMD EPYC 7773X	AMD EPYC 7742
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	22 Mar 2022	7 Aug 2019
Launch price (MSRP)	$8800
OPN PIB	100-100000504WOF
OPN Tray	100-000000504
Place in performance rating	97	216
Vertical segment	Server	Server
Performance
Base frequency	2.2 GHz	2.25 GHz
L1 cache	4 MB	4 MB
L2 cache	32 MB	32 MB
L3 cache	768 MB	256 MB
Manufacturing process technology	7 nm	7 nm, 14 nm
Maximum frequency	3.5 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	190.73 GB/s	190.7 GB/s
Maximum memory size	4 TB	4 TB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Configurable TDP	225-280 Watt
Socket Count	1P/2P
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	280 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
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™)