Product Compare

Intel Core i5 9400F vs Intel Xeon 6766P-B

	CPU Intel Core i5 9400F	CPU Intel Xeon 6766P-B
General Parameters
Release Date	Jan 2019	Dec 2025
Manufacturer	Intel	Intel
Type	Desktop	Server
Instruction Set	x86-64
Core Architecture	Coffee Lake	Granite Rapids
Processor Number	i5-9400F
Integrated Graphics	N/A	N/A
Generation		Xeon 6 (Granite Rapids-D)
Package
Manufacturing Process	14 nm	5 nm
Socket	LGA-1151	Intel BGA 5026
Power Consumption	65 W	305 W
Peak Operating Temperature	100 °C
Foundry		Intel
Die Size		2x598 mm²
I/O Process Size		10 nm
Package		FC-BGA18N
CPU Performance
Performance Cores	6
Performance Core Threads	6
Performance Core Base Frequency	2.9 GHz	2.3 GHz
Performance Core Turbo Frequency	4.1 GHz	3.5 GHz
Total Core Count	6	64
Total Thread Count	6	128
Bus Frequency	100 MHz	100 MHz
Multiplier	29x	23.0
L1 Cache	64 K per core	112 KB per core
L2 Cache	256 K per core	2 MB per core
L3 Cache	9 MB shared	256 MB shared
Unlocked Multiplier	No	No
SMP		1
Memory Parameters
Memory Types	DDR4-2666	DDR5-6400
Max Memory Size	128 GB	2.25 TB
Max Memory Channels	2	8
Max Memory Bandwidth	41.6 GB/s
ECC Memory Support	No	Yes
Miscellaneous
Official Website	Official Link ↗
PCIe Version	3.0	5
PCIe Lanes	16	32
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2