In depth comparison and review of Intel Xeon E5-2643V2 and Intel Xeon E5-4640V2. 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 E5-2643V2 | Intel Xeon E5-4640V2 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2643V2 | Intel Xeon E5-4640V2 |
|---|
| Type | Intel Xeon E5-2643V2 | Intel Xeon E5-4640V2 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA2011 Socket |
| Core Voltage | 0.65 V - 1.30 V | 0.65 V - 1.30 V |
| Manufacturing Process | 22 nm | 22 nm |
| Thermal Design Power | 130 W | 95 W |
| Thermal Specification | 74 °C | 75 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | X16, x4, x8 | X16, x4, x8 |
| PCI Express Lanes Qty | 40 | 40 |
| Architecture Features | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | 10-core |
|---|---|---|
| Number of Threads | 12 threads | 20 threads |
| Clock Speed (Frequency) | 3.5 GHz | 2.2 GHz |
| Max Turbo Speed | 3.8 GHz | 2.7 GHz |
| Bus Speed | 1866 MHz | - |
| CACHE MEMORY |
|---|
| Cache | 25 MB | 20 MB |
|---|---|---|
| Cache Memory Details | 25 MB | Smart Cache - 20 MB |
| Installed Size | 25 MB | 20 MB |
| MISCELLANEOUS | Intel Xeon E5-2643V2 | Intel Xeon E5-4640V2 |
|---|
| Included Accessories | Passive heatsink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 1 year |
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