General information
Type cpu / microprocessor
Market segment server
Family intel xeon e7-4800
Model number e7-4820
Cpu part number at80615005772ac is an oem/tray microprocessor
Frequency 2000 mhz
Turbo frequency 2267 mhz
Bus speed 5.86 gt/s qpi (2933 mhz)
Clock multiplier 15
Package 1567-land flip-chip land grid array
Socket socket 1567 (lga1567)
Size 2.22" x 1.94" / 5.647cm x 4.917cm
Introduction date apr 3, 2011
S-spec numbers
Production processors
Part number slc3g
At80615005772ac +
Architecture / microarchitecture
Microarchitecture nehalem
Platform boxboro-ex
Processor core westmere-ex
Core stepping a2 (slc3g)
Cpuid 206f2 (slc3g)
Manufacturing process 0.032 micron high-k metal gate process
Data width 64 bit
The number of cores 8
The number of threads 16
Floating point unit integrated
Level 2 cache size 8 x 256 kb
Level 3 cache size 18 mb
Physical memory 32 gb
Multiprocessing up to 4 processors
Low power features enhanced speedstep technology
On-chip peripherals 4-channel ddr3 memory controller
Electrical/thermal parameters
Maximum operating temperature 64¡ãc
Thermal design power 105 watt
Notes on intel at80615005772ac
Memory controller supports ddr3-1333 memory
Ecc memory is supported
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