Intel Xeon Platinum 8458P (4th Gen) vs. AMD EPYC 7643 (3rd Gen)

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon Platinum 8458P (4th Gen) and AMD EPYC 7643 (3rd Gen). Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

Intel Xeon Platinum 8458P (4th Gen) vs. AMD EPYC 7643 (3rd Gen) Benchmark Chart
GENERAL Intel Xeon Platinum 8458P (4th Gen) AMD EPYC 7643 (3rd Gen)
Product Type Processor Processor
PROCESSOR Intel Xeon Platinum 8458P (4th Gen) AMD EPYC 7643 (3rd Gen)
Type Intel Xeon Platinum 8458P (4th Gen) AMD EPYC 7643 (3rd Gen)
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket FCLGA4677 Socket Socket SP3
Thermal Design Power 350 W 225 W
Thermal Specification 78 °C -
PCI Express Revision 5.0 4.0
PCI Express Lanes Qty 80 128
Architecture Features Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Intel VT-x with Extended Page Tables (EPT), Intel TSX-NI, Intel QuickAssist Technology, Intel OS Guard, Intel Software Guard Extensions (SGX), Intel Speed Shift Technology, Mode-based Execute Control (MBE), Intel Run Sure Technology, Intel Boot Guard, Intel Deep Learning Boost (DL Boost), Intel Resource Director Technology (RDT), Intel Speed Select technology - Performance Profile, Intel Speed Select technology - Core Power, Intel Speed Select technology - Turbo Frequency, Intel Control-Flow Enforcement Technology, Intel Total Memory Encryption, Intel Platform Firmware Resilience Support, Intel Crypto Acceleration, Instruction Set 64-bit, Intel Dynamic Load Balancer (DLB), Intel Data Streaming Accelerator (DSA), Intel QuickAssist Software Acceleration, Activating Intel On Demand Feature, Intel In-memory Analytics Accelerator, Intel Advanced Matrix Extensions (AMX), 512 GB maximum Enclave Page Cache (EPC) size for Intel SGX AMD Infinity Architecture, AMD Infinity Guard
PERFORMANCE
Number of Cores 44-core 48-core
Number of Threads 88 threads 96 threads
Clock Speed (Frequency) 2.7 GHz 2.3 GHz
Max Turbo Speed 3.8 GHz 3.6 GHz
CACHE MEMORY
Cache 82.5 MB 256 MB
Cache Memory Details Smart Cache - 82.5 MB L3 - 256 MB
MISCELLANEOUS Intel Xeon Platinum 8458P (4th Gen) AMD EPYC 7643 (3rd Gen)
Service & Support Limited warranty - 1 year -
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