AMD EPYC 7773X vs AMD EPYC 7543

Comparative analysis of AMD EPYC 7773X and AMD EPYC 7543 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 7543

Differences

Reasons to consider the AMD EPYC 7773X

CPU is newer: launch date 1 year(s) 0 month(s) later
32 more cores, run more applications at once: 64 vs 32
64 more threads: 128 vs 64
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 5% better performance in PassMark - CPU mark: 103367 vs 98074

Specifications (specs)
Launch date	22 Mar 2022 vs 15 Mar 2021
Number of cores	64 vs 32
Number of threads	128 vs 64
L1 cache	4 MB vs 2 MB
L2 cache	32 MB vs 16 MB
L3 cache	768 MB vs 256 MB
Benchmarks
PassMark - CPU mark	103367 vs 98074

Reasons to consider the AMD EPYC 7543

Around 6% higher clock speed: 3.7 GHz vs 3.5 GHz
Around 17% lower typical power consumption: 240 Watt vs 280 Watt
Around 10% better performance in PassMark - Single thread mark: 2621 vs 2379

Specifications (specs)
Maximum frequency	3.7 GHz vs 3.5 GHz
Thermal Design Power (TDP)	240 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	2621 vs 2379

Compare benchmarks

CPU 1: AMD EPYC 7773X
CPU 2: AMD EPYC 7543

PassMark - Single thread mark

CPU 1

CPU 2

2379

2621

PassMark - CPU mark

CPU 1

CPU 2

103367

98074

Name	AMD EPYC 7773X	AMD EPYC 7543
PassMark - Single thread mark	2379	2621
PassMark - CPU mark	103367	98074

Compare specifications (specs)

	AMD EPYC 7773X	AMD EPYC 7543
Essentials
Architecture codename	Zen 3	Zen 3
Launch date	22 Mar 2022	15 Mar 2021
Launch price (MSRP)	$8800	$3761
OPN PIB	100-100000504WOF	100-100000345WOF
OPN Tray	100-000000504	100-000000345
Place in performance rating	65	59
Vertical segment	Server	Server
Performance
Base frequency	2.2 GHz	2.8 GHz
L1 cache	4 MB	2 MB
L2 cache	32 MB	16 MB
L3 cache	768 MB	256 MB
Manufacturing process technology	7 nm	7 nm+
Maximum frequency	3.5 GHz	3.7 GHz
Number of cores	64	32
Number of threads	128	64
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	225-280 Watt	225-240 Watt
Socket Count	1P/2P	1P/2P
Sockets supported	SP3	SP3
Thermal Design Power (TDP)	280 Watt	240 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™)