Intel Xeon Gold 6421N vs AMD EPYC 7742

Comparative analysis of Intel Xeon Gold 6421N and AMD EPYC 7742 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 7742

Differences

Reasons to consider the Intel Xeon Gold 6421N

CPU is newer: launch date 3 year(s) 5 month(s) later
Around 6% higher clock speed: 3.6 GHz vs 3.4 GHz
Around 22% lower typical power consumption: 185 Watt vs 225 Watt
Around 46% better performance in PassMark - Single thread mark: 2978 vs 2046

Specifications (specs)
Launch date	10 Jan 2023 vs 7 Aug 2019
Maximum frequency	3.6 GHz vs 3.4 GHz
Thermal Design Power (TDP)	185 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	2978 vs 2046

Reasons to consider the AMD EPYC 7742

32 more cores, run more applications at once: 64 vs 32
64 more threads: 128 vs 64
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 10 nm
Around 60% more L1 cache; more data can be stored in the L1 cache for quick access later
524288x more L2 cache, more data can be stored in the L2 cache for quick access later
4473924.3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 60% better performance in PassMark - CPU mark: 94081 vs 58797

Specifications (specs)
Number of cores	64 vs 32
Number of threads	128 vs 64
Manufacturing process technology	7 nm, 14 nm vs 10 nm
L1 cache	4 MB vs 80K (per core)
L2 cache	32 MB vs 2MB (per core)
L3 cache	256 MB vs 60MB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	94081 vs 58797

Compare benchmarks

CPU 1: Intel Xeon Gold 6421N
CPU 2: AMD EPYC 7742

PassMark - Single thread mark

CPU 1

CPU 2

2978

2046

PassMark - CPU mark

CPU 1

CPU 2

58797

94081

Name	Intel Xeon Gold 6421N	AMD EPYC 7742
PassMark - Single thread mark	2978	2046
PassMark - CPU mark	58797	94081

Compare specifications (specs)

	Intel Xeon Gold 6421N	AMD EPYC 7742
Essentials
Launch date	10 Jan 2023	7 Aug 2019
Launch price (MSRP)	$2368
Place in performance rating	212	216
Architecture codename		Zen 2
Vertical segment		Server
Performance
Base frequency	1800 MHz	2.25 GHz
L1 cache	80K (per core)	4 MB
L2 cache	2MB (per core)	32 MB
L3 cache	60MB	256 MB
Manufacturing process technology	10 nm	7 nm, 14 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	3.6 GHz	3.4 GHz
Number of cores	32	64
Number of threads	64	128
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-4400 MHz, Eight-channel	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.7 GB/s
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	4677	SP3
Thermal Design Power (TDP)	185 Watt	225 Watt
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)	x16, x8
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™)