AMD EPYC 7473X vs AMD EPYC 7443

Comparative analysis of AMD EPYC 7473X and AMD EPYC 7443 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 7473X

AMD EPYC 7443

Differences

Reasons to consider the AMD EPYC 7473X

CPU is newer: launch date 1 year(s) 0 month(s) later
6x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 14% better performance in PassMark - CPU mark: 81282 vs 71156

Specifications (specs)
Launch date	22 Mar 2022 vs 15 Mar 2021
L3 cache	768 MB vs 128 MB
Benchmarks
PassMark - CPU mark	81282 vs 71156

Reasons to consider the AMD EPYC 7443

Around 8% higher clock speed: 4.0 GHz vs 3.7 GHz
Around 20% lower typical power consumption: 200 Watt vs 240 Watt
Around 8% better performance in PassMark - Single thread mark: 2380 vs 2201

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	2380 vs 2201

Compare benchmarks

CPU 1: AMD EPYC 7473X
CPU 2: AMD EPYC 7443

PassMark - Single thread mark

CPU 1

CPU 2

2201

2380

PassMark - CPU mark

CPU 1

CPU 2

81282

71156

Name	AMD EPYC 7473X	AMD EPYC 7443
PassMark - Single thread mark	2201	2380
PassMark - CPU mark	81282	71156

Compare specifications (specs)

	AMD EPYC 7473X	AMD EPYC 7443
Essentials
Architecture codename	Zen 3	Zen 3
Launch date	22 Mar 2022	15 Mar 2021
Launch price (MSRP)	$3900	$2010
Place in performance rating	262	285
OPN PIB		100-100000340WOF
OPN Tray		100-000000340
Vertical segment		Server
Performance
Base frequency	2.8 GHz	2.85 GHz
Die size	81 mm²
L1 cache	1.5 MB	1536 KB
L2 cache	12 MB	12 MB
L3 cache	768 MB	128 MB
Manufacturing process technology	7 nm	7 nm+
Maximum frequency	3.7 GHz	4.0 GHz
Number of cores	24	24
Number of threads	48	48
Transistor count	33200 million
Unlocked
Memory
ECC memory support
Max memory channels	8	8
Supported memory types	DDR4-3200	DDR4-3200
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Configurable TDP	225-280 Watt	165-200 Watt
Max number of CPUs in a configuration	2
Socket Count	SP3	2P
Thermal Design Power (TDP)	240 Watt	200 Watt
Sockets supported		SP3
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™)