ProductCore i7-5775RCore i7-6900K
Brand Intel Intel
Street Price (Approx)
Search low Core i7-5775R price (Amazon)
~ $1089
Search low Core i7-6900K price (Amazon)
# CPU Cores 48
Frequency (GHz) 3.3 GHz3.2 GHz
Cache (MB) 20
TDP (Watts) 65 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2015-03-012016-03-01
TechnicalsCore i7-5775RCore i7-6900K
Dimensions (2D) 37.5x37.5 mm
Conflict Free? 11
# CPU Cores 48
Threads/Core 816
Frequency (GHz) 3.3 GHz3.2 GHz
Turbo Frequency (GHz) 3.8 GHz3.7 GHz
Cache (MB) 20
Instructions Width (bits) 6464
Instructions Extensions SSE4.1/4.2, AVX 2.0
Lithography Process (nm) 14 nm14 nm
TDP (Watts) 65 W140 W
Max RAM 32 GB128 GB
RAM Types DDR3L-1333/1600/1866 @ 1.5VDDR4 2400/2133
# Memory Channels 24
Memory Bandwidth (GB/Sec) 29.86GB/s
Max CPU / Package 11
GPU None
PCI-E Version 33
PCI-E Configurations Up to 1x16, 2x8, 1x8+2x4
PCI-E Max Lanes # 1640
Compatible Sockets FCBGA1364FCLGA2011-3
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 Yes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Intel SIPP No
Intel SMB Advantage No
Smart Response Technology Yes
Intel AES New Instructions YesYes
Intel Secure Key Yes
Intel OS Guard Yes
Trusted Execution NoNo
Execution Disable YesYes

 

Intel Core i7-5775R 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

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