In depth comparison and review of Intel Xeon E3-1275V2 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 E3-1275V2 | Intel Xeon E7-4820 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1275V2 | Intel Xeon E7-4820 |
|---|
| Type | Intel Xeon E3-1275V2 | Intel Xeon E7-4820 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1155 Socket | LGA1567 Socket |
| Manufacturing Process | 22 nm | 32 nm |
| Thermal Design Power | 69 W | 105 W |
| Thermal Specification | - | 64 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Configurations | 1x16+1x4, 1x8+3x4, 2x8+1x4 | - |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT) | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 3.5 GHz | 2 GHz |
| Max Turbo Speed | 3.9 GHz | 2.27 GHz |
| Bus Speed | - | 2933 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 18 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 8 MB | L3 - 18 MB L2 - 8 x 256 KB |
| Installed Size | 8 MB | 18 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E3-1275V2 | Intel Xeon E7-4820 |
|---|
| Type | Intel HD Graphics P4000 | - |
|---|---|---|
| Base Frequency | 650 MHz | - |
| Max Dynamic Frequency | 1.25 GHz | - |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1275V2 | Intel Xeon E7-4820 |
|---|
| Compatible Slots | - | 2 x processor - LGA1567 Socket |
|---|
| MISCELLANEOUS | Intel Xeon E3-1275V2 | Intel Xeon E7-4820 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | - | RoHS |
| Service & Support | Limited warranty - 3 years | Limited warranty - 1 year |
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