Intel Xeon Gold 6421N vs AMD EPYC 7473X

Comparative analysis of Intel Xeon Gold 6421N and AMD EPYC 7473X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon Gold 6421N

AMD EPYC 7473X

Differences

Reasons to consider the Intel Xeon Gold 6421N

CPU is newer: launch date 9 month(s) later
8 more cores, run more applications at once: 32 vs 24
16 more threads: 64 vs 48
Around 67% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 30% lower typical power consumption: 185 Watt vs 240 Watt
Around 35% better performance in PassMark - Single thread mark: 2978 vs 2201

Specifications (specs)
Launch date	10 Jan 2023 vs 22 Mar 2022
Number of cores	32 vs 24
Number of threads	64 vs 48
L1 cache	80K (per core) vs 1.5 MB
Thermal Design Power (TDP)	185 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	2978 vs 2201

Reasons to consider the AMD EPYC 7473X

Around 3% higher clock speed: 3.7 GHz vs 3.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm
196608x more L2 cache, more data can be stored in the L2 cache for quick access later
13421772.8x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 38% better performance in PassMark - CPU mark: 81282 vs 58797

Specifications (specs)
Maximum frequency	3.7 GHz vs 3.6 GHz
Manufacturing process technology	7 nm vs 10 nm
L2 cache	12 MB vs 2MB (per core)
L3 cache	768 MB vs 60MB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	81282 vs 58797

Compare benchmarks

CPU 1: Intel Xeon Gold 6421N
CPU 2: AMD EPYC 7473X

PassMark - Single thread mark

CPU 1

CPU 2

2978

2201

PassMark - CPU mark

CPU 1

CPU 2

58797

81282

Name	Intel Xeon Gold 6421N	AMD EPYC 7473X
PassMark - Single thread mark	2978	2201
PassMark - CPU mark	58797	81282

Compare specifications (specs)

	Intel Xeon Gold 6421N	AMD EPYC 7473X
Essentials
Launch date	10 Jan 2023	22 Mar 2022
Launch price (MSRP)	$2368	$3900
Place in performance rating	191	205
Architecture codename		Zen 3
Performance
Base frequency	1800 MHz	2.8 GHz
L1 cache	80K (per core)	1.5 MB
L2 cache	2MB (per core)	12 MB
L3 cache	60MB	768 MB
Manufacturing process technology	10 nm	7 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	3.6 GHz	3.7 GHz
Number of cores	32	24
Number of threads	64	48
Unlocked
Die size		81 mm²
Transistor count		33200 million
Memory
ECC memory support
Supported memory types	DDR5-4400 MHz, Eight-channel	DDR4-3200
Max memory channels		8
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	4677
Thermal Design Power (TDP)	185 Watt	240 Watt
Configurable TDP		225-280 Watt
Socket Count		SP3
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)
Max number of PCIe lanes		128
PCI Express revision		4.0