Detailed comparison and review of Intel Core i7 7820X X-series (7th Gen) and AMD Ryzen 9 7900X. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Core i7 7820X X-series (7th Gen) | AMD Ryzen 9 7900X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i7 7820X X-series (7th Gen) | AMD Ryzen 9 7900X |
|---|
| Type | Intel Core i7 7820X X-series (7th Gen) | AMD Ryzen 9 7900X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2066 Socket | Socket AM5 |
| Manufacturing Process | 14 nm | 5 nm |
| Thermal Design Power | 140 W | 170 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 3.0 | 4.0 |
| PCI Express Lanes Qty | 28 | - |
| 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), Intel Virtualization Technology for Directed I/O (VT-d), Intel Advanced Vector Extensions 2 (AVX2.0), Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported, Intel Advanced Vector Extensions 512 (AVX-512) | AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 12-core |
|---|---|---|
| Number of Threads | 16 threads | 24 threads |
| Clock Speed (Frequency) | 3.6 GHz | 4.7 GHz |
| Max Turbo Speed | 4.3 GHz | 5.6 GHz |
| CACHE MEMORY |
|---|
| Cache | 11 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - Smart Cache - 11 MB | L1 - 768 KB L2 - 12 MB L3 - 64 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 7820X X-series (7th Gen) | AMD Ryzen 9 7900X |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2.2 GHz |
| MISCELLANEOUS | Intel Core i7 7820X X-series (7th Gen) | AMD Ryzen 9 7900X |
|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - parts and labour - 3 years |
|---|
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