In depth comparison and review of Intel Core i9 9900KF (9th Gen) and Intel Xeon Platinum 8256. 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.
| GENERAL | Intel Core i9 9900KF (9th Gen) | Intel Xeon Platinum 8256 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i9 9900KF (9th Gen) | Intel Xeon Platinum 8256 |
|---|
| Type | Intel Core i9 9900KF (9th Gen) | Intel Xeon Platinum 8256 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1151 Socket | LGA3647 Socket |
| Manufacturing Process | 14 nm | 14 nm |
| Thermal Design Power | 95 W | 105 W |
| Thermal Specification | 100 °C | 72 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | - |
| PCI Express Lanes Qty | 16 | 48 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 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 | Hyper-Threading Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | 8 threads |
| Clock Speed (Frequency) | 3.6 GHz | 3.8 GHz |
| Max Turbo Speed | 5 GHz | 3.9 GHz |
| CACHE MEMORY |
|---|
| Cache | 16 MB | 16.5 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 16 MB | Smart Cache - 16.5 MB |
| MISCELLANEOUS | Intel Core i9 9900KF (9th Gen) | Intel Xeon Platinum 8256 |
|---|
| Included Accessories | - | Performance heatsink |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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