ProductCore i7-3970X Extreme EditionCore i7-7820X X-series
Brand Intel Intel
Street Price (Approx) ~ $425
Search low Core i7-3970X Extreme Edition price (Amazon)
~ $455
Search low Core i7-7820X X-series price (Amazon)
# CPU Cores 68
Frequency (GHz) 3.5 GHz3.6 GHz
Cache (MB) 1511
TDP (Watts) 150 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2012-10-012017-03-01
TechnicalsCore i7-3970X Extreme EditionCore i7-7820X X-series
Dimensions (2D) 52.5x52.5 mm
Conflict Free? 1
# CPU Cores 68
Threads/Core 1216
Frequency (GHz) 3.5 GHz3.6 GHz
Turbo Frequency (GHz) 4 GHz4.3 GHz
Cache (MB) 1511
Instructions Width (bits) 6464
Instructions Extensions SSE4.2, AVX, AESSSE4.1/4.2, AVX 2.0, AVX-512
Lithography Process (nm) 32 nm14 nm
TDP (Watts) 150 W140 W
Max RAM 64 GB128 GB
RAM Types DDR3 1066/1333/1600DDR4-2666
# Memory Channels 44
Memory Bandwidth (GB/Sec) 51.2GB/s
Max CPU / Package 11
PCI-E Version 23
PCI-E Max Lanes # 4028
Compatible Sockets FCLGA2066
Intel Turbo Boost Version 22
Intel V-Pro No
Intel Hyper-Thread YesYes
Intel Virtualization (VTX) YesYes
Intel Directed I/O (VTD) YesYes
Intel Ext. Page Tables (EPT) Yes
Intel 64 YesYes
Idle States Yes
Enhanced Speedstep Yes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Smart Response Technology Yes
Intel AES New Instructions YesYes
Trusted Execution No
Execution Disable YesYes

 

Intel Core i7-3970X Extreme Edition vs. Intel Core i7-7820X X-series Specs & Speed Benchmarks

Intel Core i7-3970X Extreme Edition vs. Intel Core i7-7820X X-series Specs & Speed Benchmarks

Geekbench 4 Multi

Higher is better

Geekbench 4 Single

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Memory Bandwidth (GB/Sec)

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Geekbench 4 Multi / Price (Market)

Higher is better