ProductCore i7-5820KCore i9-7900X X-series
Brand Intel Intel
Street Price (Approx) ~ $384
Search low Core i7-5820K price (Amazon)
~ $920
Search low Core i9-7900X X-series price (Amazon)
# CPU Cores 610
Frequency (GHz) 3.3 GHz3.3 GHz
Cache (MB) 1513.75
TDP (Watts) 140 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2014-06-012017-03-01
TechnicalsCore i7-5820KCore i9-7900X X-series
Dimensions (2D) 52.5x52.5 mm
Conflict Free? 11
# CPU Cores 610
Threads/Core 1220
Frequency (GHz) 3.3 GHz3.3 GHz
Turbo Frequency (GHz) 3.6 GHz4.3 GHz
Cache (MB) 1513.75
Instructions Width (bits) 6464
Instructions Extensions SSE4.2, AVX 2.0, AESSSE4.1/4.2, AVX 2.0, AVX-512
Lithography Process (nm) 22 nm14 nm
TDP (Watts) 140 W140 W
Max RAM 64 GB128 GB
RAM Types DDR4 1333/1600/2133DDR4-2666
# Memory Channels 44
Memory Bandwidth (GB/Sec) 68GB/s
Max CPU / Package 11
PCI-E Version 33
PCI-E Max Lanes # 2844
Compatible Sockets LGA2011-v3FCLGA2066
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 64 YesYes
Idle States Yes
Enhanced Speedstep Yes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Smart Response Technology Yes
Intel AES New Instructions YesYes
Trusted Execution No
Execution Disable YesYes

 

Intel Core i7-5820K vs. Intel Core i9-7900X X-series Specs & Speed Benchmarks

Intel Core i7-5820K vs. Intel Core i9-7900X X-series Specs & Speed Benchmarks

Geekbench 4 Multi

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Geekbench 4 Single

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Memory Bandwidth (GB/Sec)

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Geekbench 4 Multi / Price (Market)

Higher is better