ProductCore i5-7400Core i9-7900X X-series
Brand Intel Intel
Street Price (Approx) ~ $175
Search low Core i5-7400 price (Amazon)
~ $920
Search low Core i9-7900X X-series price (Amazon)
# CPU Cores 410
Frequency (GHz) 3 GHz3.3 GHz
Cache (MB) 613.75
TDP (Watts) 65 W140 W
Product Segment DesktopDesktop
Status ReleasedReleased
Announced On 2017-01-012017-03-01
TechnicalsCore i5-7400Core i9-7900X X-series
Dimensions (2D) 37.5x37.5 mm
Conflict Free? 11
# CPU Cores 410
Threads/Core 420
Frequency (GHz) 3 GHz3.3 GHz
Turbo Frequency (GHz) 3.5 GHz4.3 GHz
Cache (MB) 613.75
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 64 GB128 GB
RAM Types DDR4-2133/2400, DDR3L-1333/1600 @ 1.35VDDR4-2666
# Memory Channels 24
Max CPU / Package 11
GPU Intel® HD Graphics 630
PCI-E Version 33
PCI-E Max Lanes # 1644
Compatible Sockets FCLGA1151FCLGA2066
Intel Turbo Boost Version 22
Intel V-Pro No
Intel Hyper-Thread Yes
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 YesYes
Thermal MonitoringTech. Yes
Intel ID Protect Yes
Intel SIPP No
Intel AES New Instructions YesYes
Intel Secure Key Yes
Intel SGX Yes
Intel MPX Yes
Intel OS Guard Yes
Execution Disable YesYes


Intel Core i5-7400 vs. Intel Core i9-7900X 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


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