Intel Xeon Gold 6434 vs AMD EPYC 7642

Comparative analysis of Intel Xeon Gold 6434 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.

Intel Xeon Gold 6434

AMD EPYC 7642

Differences

Reasons to consider the Intel Xeon Gold 6434

CPU is newer: launch date 3 year(s) 5 month(s) later
Around 21% higher clock speed: 4.1 GHz vs 3.4 GHz
Around 15% lower typical power consumption: 195 Watt vs 225 Watt
Around 57% better performance in PassMark - Single thread mark: 3367 vs 2142

Specifications (specs)
Launch date	10 Jan 2023 vs 7 Aug 2019
Maximum frequency	4.1 GHz vs 3.4 GHz
Thermal Design Power (TDP)	195 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	3367 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
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm
7.2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
11.4x more L3 cache, more data can be stored in the L3 cache for quick access later
2x better performance in PassMark - CPU mark: 92995 vs 46362

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	48 vs 8
Number of threads	96 vs 16
Manufacturing process technology	7 nm vs 10 nm
L1 cache	4.5 MB vs 80 KB (per core)
L2 cache	24 MB vs 2 MB (per core)
L3 cache	256 MB vs 22.5 MB
Benchmarks
PassMark - CPU mark	92995 vs 46362

Compare benchmarks

CPU 1: Intel Xeon Gold 6434
CPU 2: AMD EPYC 7642

PassMark - Single thread mark

CPU 1

CPU 2

3367

2142

PassMark - CPU mark

CPU 1

CPU 2

46362

92995

Name	Intel Xeon Gold 6434	AMD EPYC 7642
PassMark - Single thread mark	3367	2142
PassMark - CPU mark	46362	92995

Compare specifications (specs)

	Intel Xeon Gold 6434	AMD EPYC 7642
Essentials
Launch date	10 Jan 2023	7 Aug 2019
Launch price (MSRP)	$2607
Place in performance rating	195	200
Architecture codename		Zen 2
Vertical segment		Server
Performance
Base frequency	3.7 GHz	2.4 GHz
L1 cache	80 KB (per core)	4.5 MB
L2 cache	2 MB (per core)	24 MB
L3 cache	22.5 MB	256 MB
Manufacturing process technology	10 nm	7 nm
Maximum case temperature (TCase)	64°C
Maximum frequency	4.1 GHz	3.4 GHz
Number of cores	8	48
Number of threads	16	96
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	2	2
Sockets supported	4677	SP3
Thermal Design Power (TDP)	195 Watt	225 Watt
Peripherals
PCIe configurations	Gen 5, 80 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™)