ProductCore i7-3820Core i7-7740X X-series
Brand Intel Intel
Street Price (Approx) ~ $295
Search low Core i7-3820 price (Amazon)
~ $315
Search low Core i7-7740X X-series price (Amazon)
# CPU Cores 44
Frequency (GHz) 3.6 GHz4.3 GHz
Cache (MB) 108
TDP (Watts) 130 W112 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2012-01-012017-03-01
TechnicalsCore i7-3820Core i7-7740X X-series
Dimensions (2D) 52.5x52.5 mm
Conflict Free? 1
# CPU Cores 44
Threads/Core 88
Frequency (GHz) 3.6 GHz4.3 GHz
Turbo Frequency (GHz) 3.8 GHz4.5 GHz
Cache (MB) 108
Instructions Width (bits) 6464
Instructions Extensions SSE4.2, AVX, AESSSE4.1/4.2, AVX 2.0
Lithography Process (nm) 32 nm14 nm
TDP (Watts) 130 W112 W
Max RAM 64 GB64 GB
RAM Types DDR3 1066/1333/1600DDR4-2666
# Memory Channels 42
Memory Bandwidth (GB/Sec) 51.2GB/s
Max CPU / Package 11
GPU None
PCI-E Version 23
PCI-E Max Lanes # 4016
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
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Smart Response Technology Yes
Intel AES New Instructions YesYes
Trusted Execution No
Execution Disable Yes

 

Intel Core i7-3820 vs. Intel Core i7-7740X X-series Specs & Speed Benchmarks

Intel Core i7-3820 vs. Intel Core i7-7740X 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