In depth comparison and review of Intel Xeon E5-2403 and Intel Xeon E3-1275V2. 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 E5-2403 | Intel Xeon E3-1275V2 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2403 | Intel Xeon E3-1275V2 |
|---|
| Type | Intel Xeon E5-2403 | Intel Xeon E3-1275V2 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1356 Socket | LGA1155 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 80 W | 69 W |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | - | 1x16+1x4, 1x8+3x4, 2x8+1x4 |
| PCI Express Lanes Qty | 24 | - |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Trusted Execution Technology | 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) |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 4 threads | 8 threads |
| Clock Speed (Frequency) | 1.8 GHz | 3.5 GHz |
| Max Turbo Speed | - | 3.9 GHz |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 10 MB | 8 MB |
|---|---|---|
| Cache Memory Details | 10 MB | Smart Cache - 8 MB |
| Installed Size | 10 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E5-2403 | Intel Xeon E3-1275V2 |
|---|
| 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 E5-2403 | Intel Xeon E3-1275V2 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-2403 | Intel Xeon E3-1275V2 |
|---|
| Included Accessories | Passive heatsink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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