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  • Intel® Core™ i7 X-series i7-3820 3.6 GHz
  • 10 MB Smart Cache LGA 2011 (Socket R)
  • Processor cores: 4 32 nm 64-bit 130 W
  • Maximum internal memory supported by processor: 64 GB DDR3-SDRAM
  • Tray

Intel® Turbo Boost Technology
Intel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don’t.

Intel® Hyper-Threading Technology
Intel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.

Enhanced Intel SpeedStep® Technology
Enhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.

Processor
Generation 3rd Generation
Processor ARK ID 63698
Memory bandwidth supported by processor (max) 51.2 GB/s
CPU multiplier (bus/core ratio) 44
Bus type DMI2
VID Voltage Range 0.6 - 1.35 V
Thermal Design Power (TDP) 130 W
Processor cache type Smart Cache
Processor cache 10 MB
Processor boost frequency 3.8 GHz
Processor operating modes 64-bit
System bus rate 5 GT/s
Processor threads 8
Processor series Intel Core i7-3800 Desktop Series
Component for Laptop
Cooler included No
Processor lithography 32 nm
Processor socket LGA 2011 (Socket R)
Processor cores 4
Processor base frequency 3.6 GHz
Processor model i7-3820
Processor generation 3rd gen Intel® Core™ i7
Processor family Intel® Core™ i7 X-series
Processor manufacturer Intel
Memory
ECC No
Memory channels Quad-channel
Memory clock speeds supported by processor 1066,1333,1600 MHz
Memory types supported by processor DDR3-SDRAM
Maximum internal memory supported by processor 64 GB
Graphics
On-board graphics card No
Features
Commodity Classification Automated Tracking System (CCATS) G077159
Export Control Classification Number (ECCN) 5A992C
Embedded options available No
PCI Express CEM revision 2.0
CPU configuration (max) 1
Supported instruction sets SSE4.2, AVX
PCI Express slots version 2.0
Maximum number of PCI Express lanes 40
Market segment Desktop
Execute Disable Bit Yes
Idle States Yes
Thermal Monitoring Technologies Yes
Processor special features
Intel VT-x with Extended Page Tables (EPT) Yes
Intel Identity Protection Technology version 1.00
Intel 64 Yes
Intel Virtualization Technology (VT-x) Yes
Intel Virtualization Technology for Directed I/O (VT-d) Yes
Intel Smart Response Technology version 1.00
Intel Demand Based Switching No
Intel Enhanced Halt State Yes
Intel® vPro™ Platform Eligibility No
Conflict-Free processor No
Intel® Turbo Boost Technology 2.0 frequency 3.8 GHz
Intel® Hyper Threading Technology (Intel® HT Technology) Yes
Intel® Turbo Boost Technology 2.0
Intel® AES New Instructions (Intel® AES-NI) Yes
Intel Trusted Execution Technology No
Intel® Smart Response Technology Yes
Intel® Identity Protection Technology (Intel® IPT) Yes
Enhanced Intel SpeedStep Technology Yes
General
Product family Core
Product series i7
Operational conditions
Tcase 66.8 °C
Maximum operating temperature 66.8 °C
Technical details
Bus bandwidth 5
Bus type units GT/s
Processor brand name Intel Core i7 X-seriesIntel Core i7 X-series processor
Last change 63903513
Product family Intel High End Desktop Processors
Launch date Q1'12
Status Discontinued
Maximum memory 64.23 GB
Bus speed 5 GT/s
Processor cache 10240 KB
Supported memory types DDR3-SDRAM
Product type Processor
Packaging data
Package type Tray
Logistics data
Harmonized System (HS) code 8542310001
Weight & dimensions
Processor package size 52.5mm x 45mm
Other features
Maximum internal memory 65768 MB
L1 cache 0.128 MB
Intel® Virtualization Technology (Intel® VT) Yes