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Core i7 vs Core i9-Difference between Intel Core i7 Core i9

This page compares Intel Core i7 vs Core i9 and mentions difference between Core i7 and Core i9 Intel CPU core types.

Introduction:
As we know there are various intel core types used as processor in different computing devices such as laptop, desktop etc. Now-a-days popular intel core types are core-i3, core-i5, core-i7 and core-i9. They are selected based on user requirements such as performance, pricing, power consumption and memory. The same have been compared for core-i7 and core-i9.

Intel Core-i7

Following are the features of Intel Core-i7.
• Code-named : Bloomfield (Nehalem)
• Fabrication: 45 nm
• Instruction set: x86, x86-64, MMX, SSE 4.2
• Socket: LGA 1366
• Bus: Quick path interconnect
• Base clock speed (GHz): 3.5/3.6/4.0/4.3 GHz
• DDR3 RAM
• Chipset support: x58
• It offers best performance.
• cache: 4 x 256KB L2 and 8MB L3
• They support turbo boost and hyper threading.
• It does not have integrated graphics processor.

Intel Core-i9

Following are the features of Intel Core-i9.
• Architecture: Skylake-X
• Base clock speed (GHz): 3.5/3.6/4/4.3 GHz in various models or versions
• Cores/threads: 4/4, 4/8, 6/12, 8/16
• L3 Cache: 6/8/8.25/11 MB
• PCIe lanes: 16/28/44
• TDP: 140W (min.) to 165W (max.)

Following table summarizes difference between Core-i7 and Core-i9.

Specifications Core-i7
with Model 7820X X-Series Processor
Core-i9
with Model 7980XE X-Series Processor
Cores/threads 8/16 18/36
Base Clock Speed (GHz) 3.6 to 4.3 GHz 2.6 to 4.3 GHz
Turbo Boost Enabled, Frequency upto 4.5 GHz Enabled, Frequency upto 4.4 GHz
L3 Cache 11 MB 24.75 MB
Memory Support 4 channels DDR4-2666 4 channels DDR4-2666
PCIE lanes off CPU 28 44
TDP 140 Watt 165 Watt
Socket (LGA) 2066 2066
1KU price $599 $1999

Also refer difference between core i3 vs core i5 vs core i7 >>, CPU vs GPU >> and CPU vs DSP vs FPGA >>.

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