ProductCore i7-4820KCore i7-7820X X-series
Brand Intel Intel
Street Price (Approx) ~ $395
Search low Core i7-4820K price (Amazon)
~ $455
Search low Core i7-7820X X-series price (Amazon)
# CPU Cores 48
Frequency (GHz) 3.7 GHz3.6 GHz
Cache (MB) 1011
TDP (Watts) 130 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2013-06-012017-03-01
TechnicalsCore i7-4820KCore i7-7820X X-series
Dimensions (2D) 52.5x52.5 mm
Conflict Free? 11
# CPU Cores 48
Threads/Core 816
Frequency (GHz) 3.7 GHz3.6 GHz
Turbo Frequency (GHz) 3.9 GHz4.3 GHz
Cache (MB) 1011
Instructions Width (bits) 6464
Instructions Extensions SSE4.2, AVX, AESSSE4.1/4.2, AVX 2.0, AVX-512
Lithography Process (nm) 22 nm14 nm
TDP (Watts) 130 W140 W
Max RAM 64 GB128 GB
RAM Types DDR3 1333/1600/1866DDR4-2666
# Memory Channels 44
Memory Bandwidth (GB/Sec) 59.7GB/s
Max CPU / Package 11
PCI-E Version 33
PCI-E Max Lanes # 4028
Compatible Sockets FCLGA2066
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 i7-4820K vs. Intel Core i7-7820X X-series Specs & Speed Benchmarks

Intel Core i7-4820K vs. Intel Core i7-7820X 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)

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