AMD EPYC 7443P vs AMD EPYC 7742

Comparative analysis of AMD EPYC 7443P 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 7443P

AMD EPYC 7742

Differences

Reasons to consider the AMD EPYC 7443P

CPU is newer: launch date 1 year(s) 7 month(s) later
Around 18% higher clock speed: 4.0 GHz vs 3.4 GHz
Around 13% lower typical power consumption: 200 Watt vs 225 Watt
Around 42% better performance in PassMark - Single thread mark: 2908 vs 2046

Specifications (specs)
Launch date	15 Mar 2021 vs 7 Aug 2019
Maximum frequency	4.0 GHz vs 3.4 GHz
Thermal Design Power (TDP)	200 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	2908 vs 2046

Reasons to consider the AMD EPYC 7742

40 more cores, run more applications at once: 64 vs 24
80 more threads: 128 vs 48
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 65% better performance in PassMark - CPU mark: 94081 vs 56948

Specifications (specs)
Number of cores	64 vs 24
Number of threads	128 vs 48
L1 cache	4 MB vs 1536 KB
L2 cache	32 MB vs 12 MB
L3 cache	256 MB vs 128 MB
Benchmarks
PassMark - CPU mark	94081 vs 56948

Compare benchmarks

CPU 1: AMD EPYC 7443P
CPU 2: AMD EPYC 7742

PassMark - Single thread mark

CPU 1

CPU 2

2908

2046

PassMark - CPU mark

CPU 1

CPU 2

56948

94081

Name	AMD EPYC 7443P	AMD EPYC 7742
PassMark - Single thread mark	2908	2046
PassMark - CPU mark	56948	94081

Compare specifications (specs)

	AMD EPYC 7443P	AMD EPYC 7742
Essentials
Architecture codename	Zen 3	Zen 2
Launch date	15 Mar 2021	7 Aug 2019
Launch price (MSRP)	$1337
OPN PIB	100-100000342WOF
OPN Tray	100-000000342
Place in performance rating	243	216
Vertical segment	Server	Server
Performance
Base frequency	2.85 GHz	2.25 GHz
L1 cache	1536 KB	4 MB
L2 cache	12 MB	32 MB
L3 cache	128 MB	256 MB
Manufacturing process technology	7 nm+	7 nm, 14 nm
Maximum frequency	4.0 GHz	3.4 GHz
Number of cores	24	64
Number of threads	48	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	165-200 Watt
Socket Count	1P
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
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™)