Intel Xeon Gold 6421N vs AMD EPYC 7453

Comparative analysis of Intel Xeon Gold 6421N and AMD EPYC 7453 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.

Intel Xeon Gold 6421N

AMD EPYC 7453

Differences

Reasons to consider the Intel Xeon Gold 6421N

CPU is newer: launch date 1 year(s) 9 month(s) later
4 more cores, run more applications at once: 32 vs 28
8 more threads: 64 vs 56
Around 4% higher clock speed: 3.6 GHz vs 3.45 GHz
Around 43% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 22% lower typical power consumption: 185 Watt vs 225 Watt
Around 26% better performance in PassMark - Single thread mark: 2978 vs 2371

Specifications (specs)
Launch date	10 Jan 2023 vs 15 Mar 2021
Number of cores	32 vs 28
Number of threads	64 vs 56
Maximum frequency	3.6 GHz vs 3.45 GHz
L1 cache	80K (per core) vs 1792 KB
Thermal Design Power (TDP)	185 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	2978 vs 2371

Reasons to consider the AMD EPYC 7453

A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 10 nm
229376x more L2 cache, more data can be stored in the L2 cache for quick access later
1118481.1x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 37% better performance in PassMark - CPU mark: 80327 vs 58797

Specifications (specs)
Manufacturing process technology	7 nm+ vs 10 nm
L2 cache	14 MB vs 2MB (per core)
L3 cache	64 MB vs 60MB
Benchmarks
PassMark - CPU mark	80327 vs 58797

Compare benchmarks

CPU 1: Intel Xeon Gold 6421N
CPU 2: AMD EPYC 7453

PassMark - Single thread mark

CPU 1

CPU 2

2978

2371

PassMark - CPU mark

CPU 1

CPU 2

58797

80327

Name	Intel Xeon Gold 6421N	AMD EPYC 7453
PassMark - Single thread mark	2978	2371
PassMark - CPU mark	58797	80327

Compare specifications (specs)

	Intel Xeon Gold 6421N	AMD EPYC 7453
Essentials
Launch date	10 Jan 2023	15 Mar 2021
Launch price (MSRP)	$2368	$1570
Place in performance rating	146	139
Architecture codename		Zen 3
OPN PIB		100-100000319WOF
OPN Tray		100-000000319
Vertical segment		Server
Performance
Base frequency	1800 MHz	2.75 GHz
L1 cache	80K (per core)	1792 KB
L2 cache	2MB (per core)	14 MB
L3 cache	60MB	64 MB
Manufacturing process technology	10 nm	7 nm+
Maximum case temperature (TCase)	85°C
Maximum frequency	3.6 GHz	3.45 GHz
Number of cores	32	28
Number of threads	64	56
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-4400 MHz, Eight-channel	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	4677	SP3
Thermal Design Power (TDP)	185 Watt	225 Watt
Configurable TDP		225-240 Watt
Socket Count		2P
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)
Max number of PCIe lanes		128
PCI Express revision		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™)