ProductCore i7-7700KCore i7-6900K
Brand Intel Intel
Street Price (Approx) ~ $295
Search low Core i7-7700K price (Amazon)
~ $1089
Search low Core i7-6900K price (Amazon)
# CPU Cores 48
Frequency (GHz) 4.2 GHz3.2 GHz
Cache (MB) 820
TDP (Watts) 91 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2017-01-012016-03-01
TechnicalsCore i7-7700KCore i7-6900K
Dimensions (2D) 37.5x37.5 mm
Conflict Free? 11
# CPU Cores 48
Threads/Core 816
Frequency (GHz) 4.2 GHz3.2 GHz
Turbo Frequency (GHz) 4.5 GHz3.7 GHz
Cache (MB) 820
Instructions Width (bits) 6464
Instructions Extensions SSE4.1/4.2, AVX 2.0
Lithography Process (nm) 14 nm14 nm
TDP (Watts) 91 W140 W
Max RAM 64 GB128 GB
RAM Types DDR4-2133/2400, DDR3L-1333/1600 @ 1.35VDDR4 2400/2133
# Memory Channels 24
Max CPU / Package 11
GPU Intel® HD Graphics 630None
PCI-E Version 33
PCI-E Max Lanes # 1640
Compatible Sockets FCLGA1151FCLGA2011-3
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 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 i7-7700K vs. Intel Core i7-6900K 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