In depth comparison and review of Intel Xeon E5-4640 and Intel Xeon E7-4820V4. 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 | Intel Xeon E7-4820V4 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | 2 (specifications are for single item) | - |
| PROCESSOR | Intel Xeon E5-4640 | Intel Xeon E7-4820V4 |
|---|
| Type | Intel Xeon E5-4640 | Intel Xeon E7-4820V4 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA2011 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 95 W | 115 W |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | - | X16, x4, x8 |
| PCI Express Lanes Qty | 40 | 32 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Hyper-Threading Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 10-core |
|---|---|---|
| Number of Threads | 16 threads | 20 threads |
| Clock Speed (Frequency) | 2.4 GHz | 2 GHz |
| Max Turbo Speed | 2.8 GHz | - |
| Bus Speed | 1600 MHz | 1866 MHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 25 MB |
|---|---|---|
| Cache Memory Details | L3 - 16 MB | 25 MB |
| Installed Size | 20 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-4640 | Intel Xeon E7-4820V4 |
|---|
| Expansion Slots | - | 24 (total) / 24 (free) x memory - DIMM 288-pin |
|---|---|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
| MISCELLANEOUS | Intel Xeon E5-4640 | Intel Xeon E7-4820V4 |
|---|
| Included Accessories | - | 2 hot swap fans |
|---|---|---|
| Compliant Standards | Halogen-free | - |
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