Side by side comparison and review of Intel Xeon E5-2643V3 and AMD Athlon II X4 845. 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 E5-2643V3 | AMD Athlon II X4 845 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2643V3 | AMD Athlon II X4 845 |
|---|
| Type | Intel Xeon E5-2643V3 | AMD Athlon II X4 845 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011-v3 Socket | Socket FM2+ |
| Core Voltage | 0.65 V - 1.30 V | - |
| Manufacturing Process | 22 nm | 28 nm |
| Thermal Design Power | 135 W | 65 W |
| Thermal Specification | 77 °C | 71.3 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Configurations | X16, x4, x8 | - |
| PCI Express Lanes Qty | 40 | - |
| Architecture Features | Integrated memory controller | AMD Virtualization |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 4 threads |
| Clock Speed (Frequency) | 3.4 GHz | 3.5 GHz |
| Max Turbo Speed | 3.7 GHz | 3.8 GHz |
| Bus Speed | 4800 MHz | - |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 2 MB |
|---|---|---|
| Cache Memory Details | 20 MB | L2 - 2 MB |
| Installed Size | 20 MB | - |
| MISCELLANEOUS | Intel Xeon E5-2643V3 | AMD Athlon II X4 845 |
|---|
| Included Accessories | Additional fan | Near Silent Thermal Solution |
|---|---|---|
| Compliant Standards | RoHS | AES |
| Service & Support | Limited warranty - 1 year | - |
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