In depth comparison and review of Intel Xeon E5-4640 and Intel Xeon E7-4820. 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 E7-4820 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | 2 (specifications are for single item) | - |
| PROCESSOR | Intel Xeon E5-4640 | Intel Xeon E7-4820 |
|---|
| Type | Intel Xeon E5-4640 | Intel Xeon E7-4820 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA1567 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 95 W | 105 W |
| Thermal Specification | - | 64 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Lanes Qty | 40 | - |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 8-core |
|---|---|---|
| Number of Threads | 16 threads | 16 threads |
| Clock Speed (Frequency) | 2.4 GHz | 2 GHz |
| Max Turbo Speed | 2.8 GHz | 2.27 GHz |
| Bus Speed | 1600 MHz | 2933 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 18 MB |
|---|---|---|
| Cache Memory Details | L3 - 16 MB | L3 - 18 MB L2 - 8 x 256 KB |
| Installed Size | 20 MB | 18 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-4640 | Intel Xeon E7-4820 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | 2 x processor - LGA1567 Socket |
|---|
| MISCELLANEOUS | Intel Xeon E5-4640 | Intel Xeon E7-4820 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | Halogen-free | RoHS |
| Service & Support | - | Limited warranty - 1 year |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
