AMD EPYC 4344P vs AMD EPYC 7642

Comparative analysis of AMD EPYC 4344P and AMD EPYC 7642 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 4344P

AMD EPYC 7642

Differences

Reasons to consider the AMD EPYC 4344P

CPU is newer: launch date 4 year(s) 9 month(s) later
Around 56% higher clock speed: 5.3 GHz vs 3.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
3.5x lower typical power consumption: 65 Watt vs 225 Watt
Around 80% better performance in PassMark - Single thread mark: 3850 vs 2142

Specifications (specs)
Launch date	21 May 2024 vs 7 Aug 2019
Maximum frequency	5.3 GHz vs 3.4 GHz
Manufacturing process technology	5 nm vs 7 nm
Thermal Design Power (TDP)	65 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	3850 vs 2142

Reasons to consider the AMD EPYC 7642

Processor is unlocked, an unlocked multiplier allows for easier overclocking
40 more cores, run more applications at once: 48 vs 8
80 more threads: 96 vs 16
9x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
8x more L3 cache, more data can be stored in the L3 cache for quick access later
2.7x better performance in PassMark - CPU mark: 92995 vs 34198

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	48 vs 8
Number of threads	96 vs 16
L1 cache	4.5 MB vs 64 KB (per core)
L2 cache	24 MB vs 1 MB (per core)
L3 cache	256 MB vs 32 MB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	92995 vs 34198

Compare benchmarks

CPU 1: AMD EPYC 4344P
CPU 2: AMD EPYC 7642

PassMark - Single thread mark

CPU 1

CPU 2

3850

2142

PassMark - CPU mark

CPU 1

CPU 2

34198

92995

Name	AMD EPYC 4344P	AMD EPYC 7642
PassMark - Single thread mark	3850	2142
PassMark - CPU mark	34198	92995

Compare specifications (specs)

	AMD EPYC 4344P	AMD EPYC 7642
Essentials
Launch date	21 May 2024	7 Aug 2019
Launch price (MSRP)	$329
Place in performance rating	171	146
Architecture codename		Zen 2
Vertical segment		Server
Performance
Base frequency	3.8 GHz	2.4 GHz
Die size	71 mm²
L1 cache	64 KB (per core)	4.5 MB
L2 cache	1 MB (per core)	24 MB
L3 cache	32 MB (shared)	256 MB
Manufacturing process technology	5 nm	7 nm
Maximum case temperature (TCase)	61°C
Maximum core temperature	95°C
Maximum frequency	5.3 GHz	3.4 GHz
Number of cores	8	48
Number of threads	16	96
Transistor count	6,570 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.7 GB/s
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	AM5	SP3
Thermal Design Power (TDP)	65 Watt	225 Watt
Peripherals
PCIe configurations	Gen 5, 28 Lanes, (CPU only)	x16, x8
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™)