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× Xeon E3-1275 | CPU2 | CPU3 | CPU4 | CPU5 | CPU6 |
| Released | 2011 | |||||
| Category | Server | |||||
| Socket | LGA1155 | |||||
| Cores | 4 | |||||
| Threads | 8 | |||||
| Base frequency | 3400 MHz | |||||
| Auto Boost | to 3800 MHz | |||||
| L1 Cache, Кb | 4x32 + 4x32 | |||||
| L2 Cache, Кb | 256x4 | |||||
| L3 Cache, Кb | 8192 | |||||
| Architecture (core) | Sandy Bridge | |||||
| Lithography | 32 nm | |||||
| Transistors, mil. | 1160 | |||||
| TDP | 95 W | |||||
| Max. temperature | 72,6° C | |||||
| Bus | 5 GT/s DMI | |||||
| Integrated GPU | Intel HD Graphics P3000 850 - 1350 MHz | |||||
| Memory (RAM) | DDR3-1066, DDR3-1333 (channels - 2) | |||||
| PCIe | PCI Express 2.0 (20 lines) | |||||
| Integrated modules | ||||||
| Instructions, technologies | • MMX • SSE • SSE2 • SSE3 • SSSE3 • SSE4 • AES • AVX • EM64T • NX • VT-x • VT-d • Hyper-Threading • Turbo Boost • Turbo Boost 2.0 • TXT • Enhanced SpeedStep tech. | |||||
| Other features | • ECC memory support | |||||
| more... |
Overall performance rating 
iGPU performance
 PassMark
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| Intel Xeon E3-1275 | 5498 (100 %) |
Geekbench 4
Cinebench R11.5
Cinebench R15
X264 HD Benchmark 4.0
WinRAR
3DMark 06 CPU
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