In depth comparison and review of Intel Xeon E5-4640 and AMD Ryzen 9 7900. 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 E5-4640 | AMD Ryzen 9 7900 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | 2 (specifications are for single item) | - |
| PROCESSOR | Intel Xeon E5-4640 | AMD Ryzen 9 7900 |
|---|
| Type | Intel Xeon E5-4640 | AMD Ryzen 9 7900 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | Socket AM5 |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 5 nm |
| Thermal Design Power | 95 W | 65 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 3.0 | 5.0 |
| PCI Express Lanes Qty | 40 | 28 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | 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) | 2.4 GHz | 3.7 GHz |
| Max Turbo Speed | 2.8 GHz | 5.4 GHz |
| Bus Speed | 1600 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 16 MB | L1 - 768 KB L2 - 12 MB L3 - 64 MB |
| Installed Size | 20 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E5-4640 | AMD Ryzen 9 7900 |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2.2 GHz |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-4640 | AMD Ryzen 9 7900 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-4640 | AMD Ryzen 9 7900 |
|---|
| Included Accessories | - | AMD Wraith Prism |
|---|---|---|
| Compliant Standards | Halogen-free | - |
| Service & Support | - | Limited warranty - parts and labour - 3 years |
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