Intel Xeon w5-3435X vs AMD EPYC 7643

Comparative analysis of Intel Xeon w5-3435X and AMD EPYC 7643 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon w5-3435X

AMD EPYC 7643

Differences

Reasons to consider the Intel Xeon w5-3435X

CPU is newer: launch date 1 year(s) 11 month(s) later
Around 31% higher clock speed: 4.70 GHz vs 3.6 GHz
Around 71% better performance in PassMark - Single thread mark: 3457 vs 2020

Specifications (specs)
Launch date	15 Feb 2023 vs 15 Mar 2021
Maximum frequency	4.70 GHz vs 3.6 GHz
Benchmarks
PassMark - Single thread mark	3457 vs 2020

Reasons to consider the AMD EPYC 7643

32 more cores, run more applications at once: 48 vs 16
64 more threads: 96 vs 32
2.4x more L1 cache, more data can be stored in the L1 cache for quick access later
786432x more L2 cache, more data can be stored in the L2 cache for quick access later
5.7x 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
2x better performance in PassMark - CPU mark: 91554 vs 45831

Specifications (specs)
Number of cores	48 vs 16
Number of threads	96 vs 32
L1 cache	3 MB vs 80K (per core)
L2 cache	24 MB vs 2MB (per core)
L3 cache	256 MB vs 45 MB
Thermal Design Power (TDP)	240 Watt vs 270 Watt
Benchmarks
PassMark - CPU mark	91554 vs 45831

Compare benchmarks

CPU 1: Intel Xeon w5-3435X
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

3457

2020

PassMark - CPU mark

CPU 1

CPU 2

45831

91554

Name	Intel Xeon w5-3435X	AMD EPYC 7643
PassMark - Single thread mark	3457	2020
PassMark - CPU mark	45831	91554

Compare specifications (specs)

	Intel Xeon w5-3435X	AMD EPYC 7643
Essentials
Architecture codename	Sapphire Rapids	Zen 3
Launch date	15 Feb 2023	15 Mar 2021
Launch price (MSRP)	$1589	$4995
Place in performance rating	172	178
Processor Number	w5-3435X
Series	Intel Xeon W Processor
Vertical segment	Workstation	Server
OPN PIB		100-100000326WOF
OPN Tray		100-000000326
Performance
64 bit support
Base frequency	3.10 GHz	2.3 GHz
L1 cache	80K (per core)	3 MB
L2 cache	2MB (per core)	24 MB
L3 cache	45 MB	256 MB
Manufacturing process technology	7 nm	7 nm+
Maximum core temperature	72
Maximum frequency	4.70 GHz	3.6 GHz
Number of cores	16	48
Number of threads	32	96
Unlocked
Memory
Max memory channels	8	8
Maximum memory size	4 TB	4 TB
Supported memory frequency	4800 MHz
Supported memory types	DDR5-4800 (MT/s)	DDR4-3200
ECC memory support
Maximum memory bandwidth		190.73 GB/s
Compatibility
Max number of CPUs in a configuration	1
Package Size	77.5mm x 56.5mm
Sockets supported	FCLGA4677	SP3
Thermal Design Power (TDP)	270 Watt	240 Watt
Configurable TDP		225-240 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	112	128
PCI Express revision	5.0	4.0
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel SSE4.1, Intel AMX, Intel SSE4.2, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
Speed Shift technology
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)