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Processors → AMD EPYC 7251

AMD EPYC 7251

Basic information:
Released2017
Segment Server
Socket Socket SP3
Number of cores 8
Number of threads 16
Base frequency 2100 MHz
Turbo Core 2900 MHz
Unlocked multiplier no
Architecture (core) Naples
Lithography 14 nm
Transistors, mil.4800
TDP 120 W
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Internal memory
L1 Cache, Кb 8x64 + 8x32
L2 Cache, Кb 8x512
L3 Cache, Кb 32768
Integrated modules
iGPU no
Memory controller8-channel
(DDR4-2400)
PCIe controllerPCI Express 3.0 (128 lines)
Other modules • GPIO
• I2C controller
• LPC bus
• Secure processor
• SPI controller
• USB 3.0 controller
Instructions, technology
• MMX
• SSE
• SSE2
• SSE3
• SSSE3
• SSE4 (SSE4.1 + SSE4.2)
• SSE4A
• AES (Advanced Encryption Standard)
• AVX (Advanced Vector Extensions)
• AVX 2 (Advanced Vector Extensions)
• BMI1 (Bit Manipulation inst. 1)
• SHA (Secure Hash Algorithm extensions)
• F16C (16-bit Floating-Point conversion)
• FMA3 (3-operand Fused Multiply-Add)
• AMD64
• EVP (Enhanced Virus Protection)
• AMD-V (AMD Virtualization)
• SMAP (Supervisor Mode Access Prevention)
• SMEP
• Precision Boost
• SMT (Simultaneous MultiThreading)




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