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.
| 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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