ProductCore i7-6800KCore i7-7700K
Brand Intel Intel
Street Price (Approx) ~ $434
Search low Core i7-6800K price (Amazon)
~ $295
Search low Core i7-7700K price (Amazon)
# CPU Cores 64
Frequency (GHz) 3.4 GHz4.2 GHz
Cache (MB) 158
TDP (Watts) 140 W91 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2016-03-012017-01-01
TechnicalsCore i7-6800KCore i7-7700K
Dimensions (2D) 37.5x37.5 mm
Conflict Free? 11
# CPU Cores 64
Threads/Core 128
Frequency (GHz) 3.4 GHz4.2 GHz
Turbo Frequency (GHz) 3.6 GHz4.5 GHz
Cache (MB) 158
Instructions Width (bits) 6464
Instructions Extensions SSE4.1/4.2, AVX 2.0
Lithography Process (nm) 14 nm14 nm
TDP (Watts) 140 W91 W
Max RAM 128 GB64 GB
RAM Types DDR4 2400/2133DDR4-2133/2400, DDR3L-1333/1600 @ 1.35V
# Memory Channels 42
Max CPU / Package 11
GPU NoneIntel® HD Graphics 630
PCI-E Version 33
PCI-E Max Lanes # 2816
Compatible Sockets FCLGA2011-3FCLGA1151
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 TSX Sync. Extensions Yes
Intel 64 YesYes
Idle States YesYes
Enhanced Speedstep YesYes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Intel SIPP No
Smart Response Technology Yes
Intel AES New Instructions YesYes
Intel Secure Key Yes
Intel SGX Yes
Intel MPX Yes
Intel OS Guard Yes
Trusted Execution No
Execution Disable YesYes


Intel Core i7-6800K vs. Intel Core i7-7700K 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


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