In depth comparison and review of Intel Xeon E3-1275 and AMD Sempron 145. 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 E3-1275 | AMD Sempron 145 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1275 | AMD Sempron 145 |
|---|
| Type | Intel Xeon E3-1275 | AMD Sempron 145 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1155 Socket | Socket AM3 |
| Manufacturing Process | 32 nm | 45 nm |
| Thermal Design Power | 95 W | 45 W |
| Thermal Specification | 72.6 °C | - |
| PCI Express Revision | 2.0 | - |
| PCI Express Lanes Qty | 20 | - |
| 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) | HyperTransport technology, integrated memory controller, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | - |
|---|---|---|
| Number of Threads | 8 threads | - |
| Clock Speed (Frequency) | 3.4 GHz | 2.8 GHz |
| Max Turbo Speed | 3.8 GHz | - |
| Bus Speed | - | 2000 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 1 MB |
|---|---|---|
| Cache Level 1 Size | 256 KB | 128 KB |
| Cache Memory Details | Smart Cache - 8 MB | L2 - 1 MB |
| Installed Size | 8 MB | 1 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E3-1275 | AMD Sempron 145 |
|---|
| 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 | AMD Sempron 145 |
|---|
| Compatible Slots | 1 x processor - LGA1155 Socket | 1 x processor - Socket AM3 |
|---|
| MISCELLANEOUS | Intel Xeon E3-1275 | AMD Sempron 145 |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | Halogen-free | - |
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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