ProductCore i7-3960X Extreme EditionCore i7-6850K
Brand Intel Intel
Street Price (Approx) ~ $765
Search low Core i7-3960X Extreme Edition price (Amazon)
~ $617
Search low Core i7-6850K price (Amazon)
# CPU Cores 66
Frequency (GHz) 3.3 GHz3.6 GHz
Cache (MB) 1515
TDP (Watts) 130 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2011-10-012016-03-01
TechnicalsCore i7-3960X Extreme EditionCore i7-6850K
Dimensions (2D) 52.5x52.5 mm
Conflict Free? 1
# CPU Cores 66
Threads/Core 1212
Frequency (GHz) 3.3 GHz3.6 GHz
Turbo Frequency (GHz) 3.9 GHz3.8 GHz
Cache (MB) 1515
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 i7-3960X Extreme Edition vs. Intel Core i7-6850K Specs & Speed Benchmarks

Intel Core i7-3960X Extreme Edition vs. Intel Core i7-6850K Specs & Speed Benchmarks

Geekbench 4 Multi

Higher is better
Intel Pentium® G4560Intel Core i3-7101EIntel Core i3-7320Intel Core i5-7500TIntel Core i7-7700Intel Core i5-7640X X-seriesCore i7-3960X Extreme EditionIntel Core i7-7740X X-seriesIntel Core i7-6850KIntel Core i7-6850KIntel Core i7-7800X X-seriesIntel Core i7-6900KCore i7-6950X Extreme EditionIntel Core i7-7820X X-seriesIntel Core i9-7900X X-series500075001000012500150001750020000225002500027500300003250035000

Geekbench 4 Single

Higher is better
Core i7-3960X Extreme EditionIntel Pentium® G4560Intel Core i5-7500TCore i7-6950X Extreme EditionIntel Core i3-7101EIntel Core i7-6900KIntel Core i7-6850KIntel Core i7-6850KIntel Core i7-7700Intel Core i3-7320Intel Core i7-7800X X-seriesIntel Core i7-7820X X-seriesIntel Core i9-7900X X-seriesIntel Core i7-7740X X-seriesIntel Core i5-7640X X-series325035003750400042504500475050005250550057506000

Memory Bandwidth (GB/Sec)

Higher is better
Intel Core i3-7101ECore i7-3960X Extreme Edition27.53032.53537.54042.54547.55052.5

Geekbench 4 Multi / Price (Market)

Higher is better
00.06250.1250.18750.250.31250.3750.43750.50.56250.6250.68750.750.81250.8750.93751