AMD EPYC 9654P vs AMD EPYC 7643

Comparative analysis of AMD EPYC 9654P 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.

AMD EPYC 9654P

AMD EPYC 7643

Differences

Reasons to consider the AMD EPYC 9654P

CPU is newer: launch date 1 year(s) 7 month(s) later
48 more cores, run more applications at once: 96 vs 48
96 more threads: 192 vs 96
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm+
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later

Launch date	10 Nov 2022 vs 15 Mar 2021
Number of cores	96 vs 48
Number of threads	192 vs 96
Manufacturing process technology	5 nm vs 7 nm+
L1 cache	6 MB vs 3 MB
L2 cache	96 MB vs 24 MB
L3 cache	384 MB vs 256 MB

Reasons to consider the AMD EPYC 7643

Around 50% lower typical power consumption: 240 Watt vs 360 Watt
Around 3% better performance in PassMark - Single thread mark: 2689 vs 2616
Around 2% better performance in PassMark - CPU mark: 115676 vs 113949

Specifications (specs)
Thermal Design Power (TDP)	240 Watt vs 360 Watt
Benchmarks
PassMark - Single thread mark	2689 vs 2616
PassMark - CPU mark	115676 vs 113949

Compare benchmarks

CPU 1: AMD EPYC 9654P
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

2616

2689

PassMark - CPU mark

CPU 1

CPU 2

113949

115676

Name	AMD EPYC 9654P	AMD EPYC 7643
PassMark - Single thread mark	2616	2689
PassMark - CPU mark	113949	115676

Compare specifications (specs)

	AMD EPYC 9654P	AMD EPYC 7643
Essentials
Architecture codename	Zen 4	Zen 3
Launch date	10 Nov 2022	15 Mar 2021
Launch price (MSRP)	$10625	$4995
OPN Tray	100-100000803	100-000000326
Place in performance rating	28	22
OPN PIB		100-100000326WOF
Vertical segment		Server
Performance
Base frequency	2.4 GHz	2.3 GHz
Die size	72 mm²
L1 cache	6 MB	3 MB
L2 cache	96 MB	24 MB
L3 cache	384 MB	256 MB
Manufacturing process technology	5 nm	7 nm+
Maximum core temperature	3.7 GHz
Number of cores	96	48
Number of threads	192	96
Transistor count	78840 million
Unlocked
Maximum frequency		3.6 GHz
Memory
ECC memory support
Max memory channels	12	8
Supported memory types	DDR5-4800	DDR4-3200
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Configurable TDP	320-400 Watt	225-240 Watt
Max number of CPUs in a configuration	2
Package Size	FC-LGA6096
Sockets supported	SP5	SP3
Thermal Design Power (TDP)	360 Watt	240 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	128	128
PCI Express revision	5.0	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™)