In depth comparison and review of Intel Xeon E7-4820 and Intel Xeon E5-4640V3. 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 E7-4820 | Intel Xeon E5-4640V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7-4820 | Intel Xeon E5-4640V3 |
|---|
| Type | Intel Xeon E7-4820 | Intel Xeon E5-4640V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1567 Socket | LGA2011 Socket |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 105 W | 105 W |
| Thermal Specification | 64 °C | 87 °C |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | X16, x4, x8 |
| PCI Express Lanes Qty | - | 40 |
| Architecture Features | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 12-core |
|---|---|---|
| Number of Threads | 16 threads | 24 threads |
| Clock Speed (Frequency) | 2 GHz | 1.9 GHz |
| Max Turbo Speed | 2.27 GHz | 2.6 GHz |
| Bus Speed | 2933 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 18 MB | 30 MB |
|---|---|---|
| Cache Memory Details | L3 - 18 MB L2 - 8 x 256 KB |
30 MB |
| Installed Size | 18 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E7-4820 | Intel Xeon E5-4640V3 |
|---|
| Compatible Slots | 2 x processor - LGA1567 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E7-4820 | Intel Xeon E5-4640V3 |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 1 year | - |
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