Detailed comparison and review of Intel Xeon E3-1275 and Intel Xeon E7-4809V4. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Xeon E3-1275 | Intel Xeon E7-4809V4 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | - | 2 (specifications are for single item) |
| PROCESSOR | Intel Xeon E3-1275 | Intel Xeon E7-4809V4 |
|---|
| Type | Intel Xeon E3-1275 | Intel Xeon E7-4809V4 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1155 Socket | LGA2011 Socket |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 95 W | 115 W |
| Thermal Specification | 72.6 °C | - |
| PCI Express Revision | 2.0 | 3.0 |
| PCI Express Configurations | - | X16, x4, x8 |
| PCI Express Lanes Qty | 20 | 32 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI) | Hyper-Threading Technology, integrated memory controller, Intel QuickPath Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 3.4 GHz | 2.1 GHz |
| Max Turbo Speed | 3.8 GHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 20 MB |
|---|---|---|
| Cache Level 1 Size | 256 KB | - |
| Cache Memory Details | Smart Cache - 8 MB | 20 MB |
| Installed Size | 8 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E3-1275 | Intel Xeon E7-4809V4 |
|---|
| Type | Intel HD Graphics P3000 | - |
|---|---|---|
| Base Frequency | 850 MHz | - |
| Max Dynamic Frequency | 1.35 GHz | - |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1275 | Intel Xeon E7-4809V4 |
|---|
| Expansion Slots | - | 24 (total) / 24 (free) x memory - DIMM 288-pin |
|---|---|---|
| Compatible Slots | 1 x processor - LGA1155 Socket | - |
| MISCELLANEOUS | Intel Xeon E3-1275 | Intel Xeon E7-4809V4 |
|---|
| Included Accessories | Heat sink | 2 hot swap fans |
|---|---|---|
| Compliant Standards | Halogen-free | - |
| Service & Support | Limited warranty - 3 years | - |
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