Intel Xeon Gold 6421N vs Intel Xeon Platinum 8358

Comparative analysis of Intel Xeon Gold 6421N and Intel Xeon Platinum 8358 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 6421N

Intel Xeon Platinum 8358

Differences

Reasons to consider the Intel Xeon Gold 6421N

CPU is newer: launch date 1 year(s) 9 month(s) later
Around 6% higher clock speed: 3.6 GHz vs 3.40 GHz
Around 25% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 35% lower typical power consumption: 185 Watt vs 250 Watt
Around 26% better performance in PassMark - Single thread mark: 2978 vs 2358

Specifications (specs)
Launch date	10 Jan 2023 vs 6 Apr 2021
Maximum frequency	3.6 GHz vs 3.40 GHz
L1 cache	80K (per core) vs 2 MB
Thermal Design Power (TDP)	185 Watt vs 250 Watt
Benchmarks
PassMark - Single thread mark	2978 vs 2358

Reasons to consider the Intel Xeon Platinum 8358

524288x more L2 cache, more data can be stored in the L2 cache for quick access later
838860.8x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 41% better performance in PassMark - CPU mark: 83074 vs 58797

Specifications (specs)
L2 cache	32 MB vs 2MB (per core)
L3 cache	48 MB vs 60MB
Benchmarks
PassMark - CPU mark	83074 vs 58797

Compare benchmarks

CPU 1: Intel Xeon Gold 6421N
CPU 2: Intel Xeon Platinum 8358

PassMark - Single thread mark

CPU 1

CPU 2

2978

2358

PassMark - CPU mark

CPU 1

CPU 2

58797

83074

Name	Intel Xeon Gold 6421N	Intel Xeon Platinum 8358
PassMark - Single thread mark	2978	2358
PassMark - CPU mark	58797	83074

Compare specifications (specs)

	Intel Xeon Gold 6421N	Intel Xeon Platinum 8358
Essentials
Launch date	10 Jan 2023	6 Apr 2021
Launch price (MSRP)	$2368	$3950
Place in performance rating	212	208
Architecture codename		Ice Lake
Processor Number		8358
Series		3rd Generation Intel Xeon Scalable Processors
Status		Launched
Vertical segment		Server
Performance
Base frequency	1800 MHz	2.60 GHz
L1 cache	80K (per core)	2 MB
L2 cache	2MB (per core)	32 MB
L3 cache	60MB	48 MB
Manufacturing process technology	10 nm	10 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	3.6 GHz	3.40 GHz
Number of cores	32	32
Number of threads	64	64
Unlocked
Maximum core temperature		81°C
Number of Ultra Path Interconnect (UPI) Links		3
Memory
ECC memory support
Supported memory types	DDR5-4400 MHz, Eight-channel	DDR4-3200
Max memory channels		8
Maximum memory size		6 TB
Supported memory frequency		3200 MHz
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	4677	FCLGA4189
Thermal Design Power (TDP)	185 Watt	250 Watt
Package Size		77.5mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)
Max number of PCIe lanes		64
PCI Express revision		4.0
Scalability		2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
Instruction set extensions		Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units		2
Speed Shift technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)