In depth comparison and review of Intel Core 2 Quad Q8400 and AMD Ryzen 7 7800X3D. 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 2 Quad Q8400 | AMD Ryzen 7 7800X3D |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core 2 Quad Q8400 | AMD Ryzen 7 7800X3D |
|---|
| Type | Intel Core 2 Quad Q8400 | AMD Ryzen 7 7800X3D |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA775 Socket | Socket AM5 |
| Manufacturing Process | 45 nm | 5 nm |
| Thermal Design Power | 95 W | 120 W |
| Thermal Specification | 71.4 °C | 120 °C |
| PCI Express Revision | - | 5.0 |
| PCI Express Lanes Qty | - | 28 |
| Architecture Features | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 2 | AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | - | 16 threads |
| Clock Speed (Frequency) | 2.66 GHz | 4.2 GHz |
| Max Turbo Speed | - | 5 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 4 MB | 96 MB |
|---|---|---|
| Cache Memory Details | L2 - 4 MB | L3 - 96 MB L2 - 8 MB L1 - 512 KB |
| Installed Size | 4 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Core 2 Quad Q8400 | AMD Ryzen 7 7800X3D |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2200 MHz |
| EXPANSION & CONNECTIVITY | Intel Core 2 Quad Q8400 | AMD Ryzen 7 7800X3D |
|---|
| Compatible Slots | 1 x processor - LGA775 Socket | - |
|---|
| MISCELLANEOUS | Intel Core 2 Quad Q8400 | AMD Ryzen 7 7800X3D |
|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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