ProductCore i7-5775RCore i9-7900X X-series
Brand Intel Intel
Street Price (Approx)
Search low Core i7-5775R price (Amazon)
~ $920
Search low Core i9-7900X X-series price (Amazon)
# CPU Cores 410
Frequency (GHz) 3.3 GHz3.3 GHz
Cache (MB) 13.75
TDP (Watts) 65 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2015-03-012017-03-01
TechnicalsCore i7-5775RCore i9-7900X X-series
Dimensions (2D) 37.5x37.5 mm
Conflict Free? 11
# CPU Cores 410
Threads/Core 820
Frequency (GHz) 3.3 GHz3.3 GHz
Turbo Frequency (GHz) 3.8 GHz4.3 GHz
Cache (MB) 13.75
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 # 1644
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 i9-7900X X-series Specs & Speed Benchmarks

Intel Core i7-5775R vs. Intel Core i9-7900X X-series Specs & Speed Benchmarks

Geekbench 4 Multi

Higher is better

Geekbench 4 Single

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Memory Bandwidth (GB/Sec)

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Geekbench 4 Multi / Price (Market)

Higher is better