ProductCore i7-6800KCore i7-4790
Brand Intel Intel
Street Price (Approx) ~ $434
Search low Core i7-6800K price (Amazon)
~ $475
Search low Core i7-4790 price (Amazon)
# CPU Cores 64
Frequency (GHz) 3.4 GHz3.6 GHz
Cache (MB) 158
TDP (Watts) 140 W84 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2016-03-012014-03-01
TechnicalsCore i7-6800KCore i7-4790
Dimensions (2D) 37.5x37.5 mm
Conflict Free? 11
# CPU Cores 64
Threads/Core 128
Frequency (GHz) 3.4 GHz3.6 GHz
Turbo Frequency (GHz) 3.6 GHz4 GHz
Cache (MB) 158
Instructions Width (bits) 6464
Instructions Extensions SSE4.1/4.2, AVX 2.0
Lithography Process (nm) 14 nm22 nm
TDP (Watts) 140 W84 W
Max RAM 128 GB32 GB
RAM Types DDR4 2400/2133DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
# Memory Channels 42
Memory Bandwidth (GB/Sec) 25.6GB/s
Max CPU / Package 11
GPU None
PCI-E Version 33
PCI-E Configurations Up to 1x16, 2x8, 1x8+2x4
PCI-E Max Lanes # 2816
Compatible Sockets FCLGA2011-3FCLGA1150
Intel Turbo Boost Version 22
Intel V-Pro NoYes
Intel Hyper-Thread YesYes
Intel Virtualization (VTX) YesYes
Intel Directed I/O (VTD) YesYes
Intel Ext. Page Tables (EPT) YesYes
Intel TSX Sync. Extensions No
Intel 64 YesYes
Intel MyWiFi Yes
Idle States YesYes
Enhanced Speedstep Yes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Intel SIPP Yes
Intel SMB Advantage Yes
Smart Response Technology Yes
Intel AES New Instructions YesYes
Intel Secure Key Yes
Intel OS Guard Yes
Trusted Execution NoYes
Execution Disable YesYes


Intel Core i7-6800K vs. Intel Core i7-4790 Specs & Speed Benchmarks

CPU Speed

These tests are designed to stress the CPU components of the processor

Geekbench 4 Multi, Higher is better

Geekbench 4 Single, Higher is better

Memory Bandwidth (GB/Sec), Higher is better


Performance/Price (Value)

Some of the same tests as above, but shown as a relation to the price. This shows what performance you get for each additional dollar spent. The higher the score, and the more value you get for your money

Geekbench 4 Multi / Price, Higher is better