ProductCore i7-5775RCore i7-7820X X-series
Brand Intel Intel
Street Price (Approx)
Search low Core i7-5775R price (Amazon)
~ $455
Search low Core i7-7820X X-series price (Amazon)
# CPU Cores 48
Frequency (GHz) 3.3 GHz3.6 GHz
Cache (MB) 11
TDP (Watts) 65 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2015-03-012017-03-01
TechnicalsCore i7-5775RCore i7-7820X X-series
Dimensions (2D) 37.5x37.5 mm
Conflict Free? 11
# CPU Cores 48
Threads/Core 816
Frequency (GHz) 3.3 GHz3.6 GHz
Turbo Frequency (GHz) 3.8 GHz4.3 GHz
Cache (MB) 11
Instructions Width (bits) 6464
Instructions Extensions SSE4.1/4.2, AVX 2.0SSE4.1/4.2, AVX 2.0, AVX-512
Lithography Process (nm) 14 nm14 nm
TDP (Watts) 65 W140 W
Max RAM 32 GB128 GB
RAM Types DDR3L-1333/1600/1866 @ 1.5VDDR4-2666
# Memory Channels 24
Memory Bandwidth (GB/Sec) 29.86GB/s
Max CPU / Package 11
PCI-E Version 33
PCI-E Configurations Up to 1x16, 2x8, 1x8+2x4
PCI-E Max Lanes # 1628
Compatible Sockets FCBGA1364FCLGA2066
Intel Turbo Boost Version 22
Intel V-Pro No
Intel Hyper-Thread YesYes
Intel Virtualization (VTX) YesYes
Intel Directed I/O (VTD) YesYes
Intel Ext. Page Tables (EPT) Yes
Intel TSX Sync. Extensions Yes
Intel 64 YesYes
Idle States Yes
Enhanced Speedstep Yes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Intel SIPP No
Intel SMB Advantage No
Intel AES New Instructions YesYes
Intel Secure Key Yes
Intel OS Guard Yes
Trusted Execution No
Execution Disable YesYes


Intel Core i7-5775R vs. Intel Core i7-7820X X-series 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