Intel Xeon Platinum 8454H vs Intel Xeon Gold 6421N

Comparative analysis of Intel Xeon Platinum 8454H and Intel Xeon Gold 6421N 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 Platinum 8454H

Intel Xeon Gold 6421N

Differences

Reasons to consider the Intel Xeon Platinum 8454H

1048576x more L2 cache, more data can be stored in the L2 cache for quick access later
1441792x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 6% better performance in PassMark - CPU mark: 62347 vs 58797

Specifications (specs)
L2 cache	2 MB (per core) vs 2MB (per core)
L3 cache	82.5 MB vs 60MB
Max number of CPUs in a configuration	8 vs 1
Benchmarks
PassMark - CPU mark	62347 vs 58797

Reasons to consider the Intel Xeon Gold 6421N

Around 6% higher clock speed: 3.6 GHz vs 3.4 GHz
Around 46% lower typical power consumption: 185 Watt vs 270 Watt
Around 5% better performance in PassMark - Single thread mark: 2978 vs 2831

Specifications (specs)
Maximum frequency	3.6 GHz vs 3.4 GHz
Thermal Design Power (TDP)	185 Watt vs 270 Watt
Benchmarks
PassMark - Single thread mark	2978 vs 2831

Compare benchmarks

CPU 1: Intel Xeon Platinum 8454H
CPU 2: Intel Xeon Gold 6421N

PassMark - Single thread mark

CPU 1

CPU 2

2831

2978

PassMark - CPU mark

CPU 1

CPU 2

62347

58797

Name	Intel Xeon Platinum 8454H	Intel Xeon Gold 6421N
PassMark - Single thread mark	2831	2978
PassMark - CPU mark	62347	58797

Compare specifications (specs)

	Intel Xeon Platinum 8454H	Intel Xeon Gold 6421N
Essentials
Launch date	10 Jan 2023	10 Jan 2023
Launch price (MSRP)	$6540	$2368
Place in performance rating	196	191
Performance
Base frequency	2.1 GHz	1800 MHz
Die size	4x 477 mm²
L1 cache	80 KB (per core)	80K (per core)
L2 cache	2 MB (per core)	2MB (per core)
L3 cache	82.5 MB	60MB
Manufacturing process technology	10 nm	10 nm
Maximum case temperature (TCase)	71°C	85°C
Maximum frequency	3.4 GHz	3.6 GHz
Number of cores	32	32
Number of threads	64	64
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5-4400 MHz, Eight-channel
Compatibility
Max number of CPUs in a configuration	8	1
Sockets supported	4677	4677
Thermal Design Power (TDP)	270 Watt	185 Watt
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)	Gen 5, 80 Lanes, (CPU only)