ProductCore i7-3820Core i7-6900K
Brand Intel Intel
Street Price (Approx) ~ $295
Search low Core i7-3820 price (Amazon)
~ $1089
Search low Core i7-6900K price (Amazon)
# CPU Cores 48
Frequency (GHz) 3.6 GHz3.2 GHz
Cache (MB) 1020
TDP (Watts) 130 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2012-01-012016-03-01
TechnicalsCore i7-3820Core i7-6900K
Dimensions (2D) 52.5x52.5 mm
Conflict Free? 1
# CPU Cores 48
Threads/Core 816
Frequency (GHz) 3.6 GHz3.2 GHz
Turbo Frequency (GHz) 3.8 GHz3.7 GHz
Cache (MB) 1020
Instructions Width (bits) 6464
Instructions Extensions SSE4.2, AVX, AES
Lithography Process (nm) 32 nm14 nm
TDP (Watts) 130 W140 W
Max RAM 64 GB128 GB
RAM Types DDR3 1066/1333/1600DDR4 2400/2133
# Memory Channels 44
Memory Bandwidth (GB/Sec) 51.2GB/s
Max CPU / Package 11
GPU None
PCI-E Version 23
PCI-E Max Lanes # 4040
Compatible Sockets FCLGA2011-3
Intel Turbo Boost Version 22
Intel V-Pro NoNo
Intel Hyper-Thread YesYes
Intel Virtualization (VTX) YesYes
Intel Directed I/O (VTD) YesYes
Intel Ext. Page Tables (EPT) YesYes
Intel 64 YesYes
Idle States YesYes
Enhanced Speedstep Yes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Smart Response Technology YesYes
Intel AES New Instructions YesYes
Trusted Execution NoNo
Execution Disable YesYes

 

Intel Core i7-3820 vs. Intel Core i7-6900K Specs & Speed Benchmarks

Intel Core i7-3820 vs. Intel Core i7-6900K Specs & Speed Benchmarks

Geekbench 4 Multi

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Geekbench 4 Single

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Memory Bandwidth (GB/Sec)

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Geekbench 4 Multi / Price (Market)

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