In depth comparison and review of Intel Xeon Gold 6421N (4th Gen) and AMD Ryzen 9 7950X. 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 Xeon Gold 6421N (4th Gen) | AMD Ryzen 9 7950X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon Gold 6421N (4th Gen) | AMD Ryzen 9 7950X |
|---|
| Type | Intel Xeon Gold 6421N (4th Gen) | AMD Ryzen 9 7950X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | FCLGA4677 Socket | Socket AM5 |
| Manufacturing Process | - | 5 nm |
| Thermal Design Power | 185 W | 170 W |
| Thermal Specification | 85 °C | 95 °C |
| PCI Express Revision | 5.0 | - |
| PCI Express Lanes Qty | 80 | - |
| 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 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 Data Streaming Accelerator (DSA), Intel QuickAssist Software Acceleration, 128 GB maximum Enclave Page Cache (EPC) size for Intel SGX, Activating Intel On Demand Feature | AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | 32-core | 16-core |
|---|---|---|
| Number of Threads | 64 threads | 32 threads |
| Clock Speed (Frequency) | 1.8 GHz | 4.5 GHz |
| Max Turbo Speed | 3.6 GHz | 5.7 GHz |
| CACHE MEMORY |
|---|
| Cache | 60 MB | 64 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 60 MB | L3 - 64 MB L2 - 16 MB L1 - 1 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon Gold 6421N (4th Gen) | AMD Ryzen 9 7950X |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2.2 GHz |
| MISCELLANEOUS | Intel Xeon Gold 6421N (4th Gen) | AMD Ryzen 9 7950X |
|---|
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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