Intel Xeon Gold 5420+ vs AMD EPYC 7643

Comparative analysis of Intel Xeon Gold 5420+ and AMD EPYC 7643 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon Gold 5420+

AMD EPYC 7643

Differences

Reasons to consider the Intel Xeon Gold 5420+

CPU is newer: launch date 1 year(s) 9 month(s) later
Around 14% higher clock speed: 4.10 GHz vs 3.6 GHz
Around 17% lower typical power consumption: 205 Watt vs 240 Watt
Around 21% better performance in PassMark - Single thread mark: 3255 vs 2689

Specifications (specs)
Launch date	10 Jan 2023 vs 15 Mar 2021
Maximum frequency	4.10 GHz vs 3.6 GHz
Thermal Design Power (TDP)	205 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	3255 vs 2689

Reasons to consider the AMD EPYC 7643

20 more cores, run more applications at once: 48 vs 28
40 more threads: 96 vs 56
Around 37% more L1 cache; more data can be stored in the L1 cache for quick access later
449389.7x more L2 cache, more data can be stored in the L2 cache for quick access later
4.9x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 26% better performance in PassMark - CPU mark: 115676 vs 91859

Specifications (specs)
Number of cores	48 vs 28
Number of threads	96 vs 56
L1 cache	3 MB vs 80K (per core)
L2 cache	24 MB vs 2MB (per core)
L3 cache	256 MB vs 52.5 MB (shared)
Benchmarks
PassMark - CPU mark	115676 vs 91859

Compare benchmarks

CPU 1: Intel Xeon Gold 5420+
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

3255

2689

PassMark - CPU mark

CPU 1

CPU 2

91859

115676

Name	Intel Xeon Gold 5420+	AMD EPYC 7643
PassMark - Single thread mark	3255	2689
PassMark - CPU mark	91859	115676

Compare specifications (specs)

	Intel Xeon Gold 5420+	AMD EPYC 7643
Essentials
Architecture codename	Sapphire Rapids	Zen 3
Launch date	10 Jan 2023	15 Mar 2021
Launch price (MSRP)	$1848	$4995
Place in performance rating	29	22
Processor Number	5420+
Series	4th Generation Intel Xeon Scalable Processors
Vertical segment	Server	Server
OPN PIB		100-100000326WOF
OPN Tray		100-000000326
Performance
Base frequency	2.00 GHz	2.3 GHz
L1 cache	80K (per core)	3 MB
L2 cache	2MB (per core)	24 MB
L3 cache	52.5 MB (shared)	256 MB
Manufacturing process technology	7 nm	7 nm+
Maximum core temperature	84
Maximum frequency	4.10 GHz	3.6 GHz
Number of cores	28	48
Number of threads	56	96
Unlocked
Memory
Max memory channels	8	8
Maximum memory size	4 TB	4 TB
Supported memory types	Up to DDR5 4400 MT/s 1DPC and 2DPC	DDR4-3200
ECC memory support
Maximum memory bandwidth		190.73 GB/s
Compatibility
Package Size	77.5mm x 56.5mm
Sockets supported	FCLGA4677	SP3
Thermal Design Power (TDP)	205 Watt	240 Watt
Configurable TDP		225-240 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	80	128
PCI Express revision	5	4.0
Scalability	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Run Sure Technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Instruction set extensions	Intel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
Speed Shift technology
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)