Side by side comparison and review of Intel Xeon D-1521 and AMD Ryzen 7 7800X3D. 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 Xeon D-1521 | AMD Ryzen 7 7800X3D |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon D-1521 | AMD Ryzen 7 7800X3D |
|---|
| Type | Intel Xeon D-1521 | AMD Ryzen 7 7800X3D |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | FCBGA1667 Socket | Socket AM5 |
| Manufacturing Process | 14 nm | 5 nm |
| Thermal Design Power | 45 W | 120 W |
| Thermal Specification | - | 120 °C |
| PCI Express Revision | 2.0/3.0 | 5.0 |
| PCI Express Configurations | X16, x4, x8 | - |
| PCI Express Lanes Qty | 32 | 28 |
| Architecture Features | Enhanced SpeedStep technology, 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), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel OS Guard | AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 2.4 GHz | 4.2 GHz |
| Max Turbo Speed | 2.7 GHz | 5 GHz |
| CACHE MEMORY |
|---|
| Cache | 6 MB | 96 MB |
|---|---|---|
| Cache Memory Details | 6 MB | L3 - 96 MB L2 - 8 MB L1 - 512 KB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon D-1521 | AMD Ryzen 7 7800X3D |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2200 MHz |
| MISCELLANEOUS | Intel Xeon D-1521 | AMD Ryzen 7 7800X3D |
|---|
| Service & Support | - | Limited warranty - 3 years |
|---|
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