AMD EPYC 7543P vs AMD EPYC 7443P

Comparative analysis of AMD EPYC 7543P and AMD EPYC 7443P 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 7543P

AMD EPYC 7443P

Differences

Reasons to consider the AMD EPYC 7543P

8 more cores, run more applications at once: 32 vs 24
16 more threads: 64 vs 48
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% 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 17% better performance in PassMark - CPU mark: 66687 vs 57193

Specifications (specs)
Number of cores	32 vs 24
Number of threads	64 vs 48
L1 cache	2 MB vs 1536 KB
L2 cache	16 MB vs 12 MB
L3 cache	256 MB vs 128 MB
Benchmarks
PassMark - CPU mark	66687 vs 57193

Reasons to consider the AMD EPYC 7443P

Around 8% higher clock speed: 4.0 GHz vs 3.7 GHz
Around 20% lower typical power consumption: 200 Watt vs 240 Watt
Around 6% better performance in PassMark - Single thread mark: 2915 vs 2741

Specifications (specs)
Maximum frequency	4.0 GHz vs 3.7 GHz
Thermal Design Power (TDP)	200 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	2915 vs 2741

Compare benchmarks

CPU 1: AMD EPYC 7543P
CPU 2: AMD EPYC 7443P

PassMark - Single thread mark

CPU 1

CPU 2

2741

2915

PassMark - CPU mark

CPU 1

CPU 2

66687

57193

Name	AMD EPYC 7543P	AMD EPYC 7443P
PassMark - Single thread mark	2741	2915
PassMark - CPU mark	66687	57193

Compare specifications (specs)

	AMD EPYC 7543P	AMD EPYC 7443P
Essentials
Architecture codename	Zen 3	Zen 3
Launch date	15 Mar 2021	15 Mar 2021
Launch price (MSRP)	$2730	$1337
OPN PIB	100-100000341WOF	100-100000342WOF
OPN Tray	100-000000341	100-000000342
Place in performance rating	144	167
Vertical segment	Server	Server
Performance
Base frequency	2.8 GHz	2.85 GHz
L1 cache	2 MB	1536 KB
L2 cache	16 MB	12 MB
L3 cache	256 MB	128 MB
Manufacturing process technology	7 nm+	7 nm+
Maximum frequency	3.7 GHz	4.0 GHz
Number of cores	32	24
Number of threads	64	48
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Maximum memory bandwidth	190.73 GB/s	190.73 GB/s
Maximum memory size	4 TB	4 TB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Configurable TDP	225-240 Watt	165-200 Watt
Socket Count	1P	1P
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	240 Watt	200 Watt
Peripherals
Max number of PCIe lanes	128	128
PCI Express revision	4.0	4.0
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™)