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Processors → Intel Xeon E5-2643 v4

Intel Xeon E5-2643 v4

Basic information:
Released2016
Segment Server
Socket LGA2011-3
Bus9.6 GT/s QPI
Number of cores 6
Number of threads 12
Base frequency 3400 MHz
Turbo Boost 3700 MHz
Unlocked multiplier no
Architecture (core) Broadwell-EP
Lithography 14 nm
Transistors, mil.3600
TDP 135 W
Max. temperature75° C
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Internal memory
L1 Cache, Кb 32+32x6
L2 Cache, Кb 256x6
L3 Cache, Кb 20480
Integrated modules
iGPU no
Memory controller4-channel
(DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400)
ECC memory supported
PCIe controllerPCI Express 3.0 (40 lines)
Other modules no
Instructions, technology
• MMX
• SSE
• SSE2
• SSE3
• SSSE3
• SSE4 (SSE4.1 + SSE4.2)
• AES (Advanced Encryption Standard inst.)
• AVX (Advanced Vector Extensions)
• AVX 2.0 (Advanced Vector Extensions 2.0)
• BMI1, BMI2 (Bit Manipulation inst.)
• F16C (16-bit Floating-Point conversion)
• FMA3 (3-operand Fused Multiply-Add inst.)
• EM64T (Intel 64)
• NX (XD, Execute disable bit)
• VT-x (Virtualization technology)
• VT-d (Virtualization for directed I/O)
• Hyper-Threading
• Turbo Boost
• Turbo Boost 2.0
• TXT (Trusted Execution tech.)
• Enhanced SpeedStep tech.




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