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Processors → AMD EPYC 7643

AMD EPYC 7643

Basic information:
Released2021
Segment Server
Socket Socket SP3
Number of cores 48
Number of threads 96
Base frequency 2300 MHz
Turbo Core 3600 MHz
Unlocked multiplier no
Architecture (core) Milan
Lithography 7 nm
TDP 225 W
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Internal memory
L1 Cache, Кb 48x32 + 48x32
L2 Cache, Кb 48x512
L3 Cache, Кb 262144
Integrated modules
iGPU no
Memory controller8-channel
(DDR4-3200)
ECC memory supported
PCIe controllerPCI Express 4.0 (128 lines)
Other modules • GPIO
• I2C controller
• LPC bus
• SATA 3.0 controller
• SD controller
• Secure processor
• SPI controller
• USB 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, BMI2 (Bit Manipulation inst.)
• 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
• Secure Encrypted Virtualization
• Secure Memory Encryption
• Precision Boost 2
• SMT (Simultaneous MultiThreading)




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