Intel Core i9 9900KS (9th Gen) vs. AMD EPYC 7643P

CPU Comparison, Reviews and Tests

Side by side comparison and review of Intel Core i9 9900KS (9th Gen) and AMD EPYC 7643P. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Core i9 9900KS (9th Gen) vs. AMD EPYC 7643P Benchmark Chart
GENERAL Intel Core i9 9900KS (9th Gen) AMD EPYC 7643P
Product Type Processor Processor
PROCESSOR Intel Core i9 9900KS (9th Gen) AMD EPYC 7643P
Type Intel Core i9 9900KS (9th Gen) AMD EPYC 7643P
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1151 Socket Socket SP3
Socket Count - 1P
Manufacturing Process 14 nm -
Thermal Design Power 127 W 240 W
Thermal Specification 100 °C -
PCI Express Revision 3.0 4.0
PCI Express Configurations 1x16, 2x8, 1x8+2x4 -
PCI Express Lanes Qty 16 -
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel OS Guard, Intel Software Guard Extensions (SGX), Intel Memory Protection Extensions (MPX), Intel Optane Memory Supported, Intel Boot Guard AMD Infinity Architecture, AMD Infinity Guard
PERFORMANCE
Number of Cores 8-core 48-core
Number of Threads 16 threads 96 threads
Clock Speed (Frequency) 4 GHz 2.3 GHz
Max Turbo Speed 5 GHz 3.6 GHz
CACHE MEMORY
Cache 16 MB 256 MB
Cache Memory Details Smart Cache - 16 MB L3 - 256 MB
INTEGRATED GRAPHICS (GPU) Intel Core i9 9900KS (9th Gen) AMD EPYC 7643P
Type Intel UHD Graphics 630 -
Base Frequency 350 MHz -
Max Dynamic Frequency 1.2 GHz -
Max Supported Memory Size 64 GB -
Max Supported Resolution 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) -
Features Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Triple Display Capable -
MISCELLANEOUS Intel Core i9 9900KS (9th Gen) AMD EPYC 7643P
Service & Support Limited warranty - 3 years -
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