Side by side comparison and review of Intel Xeon E5649 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 E5649 | AMD Ryzen 7 7800X3D |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5649 | AMD Ryzen 7 7800X3D |
|---|
| Type | Intel Xeon E5649 | AMD Ryzen 7 7800X3D |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | Socket AM5 |
| Core Voltage | 0.75 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 5 nm |
| Thermal Design Power | 80 W | 120 W |
| Thermal Specification | 76.2 °C | 120 °C |
| PCI Express Revision | - | 5.0 |
| PCI Express Lanes Qty | - | 28 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology | AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | 8-core |
|---|---|---|
| Number of Threads | 12 threads | 16 threads |
| Clock Speed (Frequency) | 2.53 GHz | 4.2 GHz |
| Max Turbo Speed | 2.93 GHz | 5 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 96 MB |
|---|---|---|
| Cache Memory Details | L3 - 12 MB L2 - 6 x 256 KB |
L3 - 96 MB L2 - 8 MB L1 - 512 KB |
| Installed Size | 12 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E5649 | AMD Ryzen 7 7800X3D |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2200 MHz |
| EXPANSION & CONNECTIVITY | Intel Xeon E5649 | AMD Ryzen 7 7800X3D |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E5649 | AMD Ryzen 7 7800X3D |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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