AMD EPYC 9474F vs AMD EPYC 7643

Comparative analysis of AMD EPYC 9474F 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 9474F

AMD EPYC 7643

Differences

Reasons to consider the AMD EPYC 9474F

CPU is newer: launch date 1 year(s) 7 month(s) later
Around 14% higher clock speed: 4.1 GHz vs 3.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm+
Around 18% better performance in PassMark - Single thread mark: 3183 vs 2689

Specifications (specs)
Launch date	10 Nov 2022 vs 15 Mar 2021
Maximum frequency	4.1 GHz vs 3.6 GHz
Manufacturing process technology	5 nm vs 7 nm+
Benchmarks
PassMark - Single thread mark	3183 vs 2689

Reasons to consider the AMD EPYC 7643

524288x more L2 cache, more data can be stored in the L2 cache for quick access later
1048576x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 50% lower typical power consumption: 240 Watt vs 360 Watt
Around 10% better performance in PassMark - CPU mark: 115676 vs 105003

Specifications (specs)
L2 cache	24 MB vs 1MB (per core)
L3 cache	256 MB vs 256MB (shared)
Thermal Design Power (TDP)	240 Watt vs 360 Watt
Benchmarks
PassMark - CPU mark	115676 vs 105003

Compare benchmarks

CPU 1: AMD EPYC 9474F
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

3183

2689

PassMark - CPU mark

CPU 1

CPU 2

105003

115676

Name	AMD EPYC 9474F	AMD EPYC 7643
PassMark - Single thread mark	3183	2689
PassMark - CPU mark	105003	115676

Compare specifications (specs)

	AMD EPYC 9474F	AMD EPYC 7643
Essentials
Architecture codename	Zen 4 (Genoa)	Zen 3
Launch date	10 Nov 2022	15 Mar 2021
Place in performance rating	18	23
Launch price (MSRP)		$4995
OPN PIB		100-100000326WOF
OPN Tray		100-000000326
Vertical segment		Server
Performance
Base frequency	3.6 GHz	2.3 GHz
Die size	8x 72 mm²
L1 cache	64K (per core)	3 MB
L2 cache	1MB (per core)	24 MB
L3 cache	256MB (shared)	256 MB
Manufacturing process technology	5 nm	7 nm+
Maximum frequency	4.1 GHz	3.6 GHz
Number of cores	48	48
Number of threads	96	96
Transistor count	52,560 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Twelve-channel	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Configurable TDP	320-400 W	225-240 Watt
Max number of CPUs in a configuration	2
Sockets supported	SP5	SP3
Thermal Design Power (TDP)	360 Watt	240 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 5, 128 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™)