Intel Xeon Platinum 8454H vs AMD EPYC 7643

Comparative analysis of Intel Xeon Platinum 8454H and AMD EPYC 7643 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 Platinum 8454H

AMD EPYC 7643

Differences

Reasons to consider the Intel Xeon Platinum 8454H

CPU is newer: launch date 1 year(s) 9 month(s) later
2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 40% better performance in PassMark - Single thread mark: 2831 vs 2020

Specifications (specs)
Launch date	10 Jan 2023 vs 15 Mar 2021
L2 cache	2 MB (per core) vs 24 MB
Benchmarks
PassMark - Single thread mark	2831 vs 2020

Reasons to consider the AMD EPYC 7643

16 more cores, run more applications at once: 48 vs 32
32 more threads: 96 vs 64
Around 6% higher clock speed: 3.6 GHz vs 3.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 10 nm
Around 20% more L1 cache; more data can be stored in the L1 cache for quick access later
3.1x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 13% lower typical power consumption: 240 Watt vs 270 Watt
Around 47% better performance in PassMark - CPU mark: 91554 vs 62347

Specifications (specs)
Number of cores	48 vs 32
Number of threads	96 vs 64
Maximum frequency	3.6 GHz vs 3.4 GHz
Manufacturing process technology	7 nm+ vs 10 nm
L1 cache	3 MB vs 80 KB (per core)
L3 cache	256 MB vs 82.5 MB
Thermal Design Power (TDP)	240 Watt vs 270 Watt
Benchmarks
PassMark - CPU mark	91554 vs 62347

Compare benchmarks

CPU 1: Intel Xeon Platinum 8454H
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

2831

2020

PassMark - CPU mark

CPU 1

CPU 2

62347

91554

Name	Intel Xeon Platinum 8454H	AMD EPYC 7643
PassMark - Single thread mark	2831	2020
PassMark - CPU mark	62347	91554

Compare specifications (specs)

	Intel Xeon Platinum 8454H	AMD EPYC 7643
Essentials
Launch date	10 Jan 2023	15 Mar 2021
Launch price (MSRP)	$6540	$4995
Place in performance rating	224	238
Architecture codename		Zen 3
OPN PIB		100-100000326WOF
OPN Tray		100-000000326
Vertical segment		Server
Performance
Base frequency	2.1 GHz	2.3 GHz
Die size	4x 477 mm²
L1 cache	80 KB (per core)	3 MB
L2 cache	2 MB (per core)	24 MB
L3 cache	82.5 MB	256 MB
Manufacturing process technology	10 nm	7 nm+
Maximum case temperature (TCase)	71°C
Maximum frequency	3.4 GHz	3.6 GHz
Number of cores	32	48
Number of threads	64	96
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	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	8
Sockets supported	4677	SP3
Thermal Design Power (TDP)	270 Watt	240 Watt
Configurable TDP		225-240 Watt
Socket Count		1P/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™)