Product Compare

Intel Core i5 8400T vs Intel Core i9 14900

	CPU Intel Core i5 8400T	CPU Intel Core i9 14900
General Parameters
Release Date	Apr 2018	Jan 2024
Manufacturer	Intel	Intel
Type	Desktop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Coffee Lake	Raptor Lake Refresh
Processor Number	i5-8400T	i9-14900
Integrated Graphics	UHD Graphics 630	UHD Graphics 770
Package
Manufacturing Process	14 nm	10 nm
Socket	LGA-1151	LGA-1700
Power Consumption	35 W	65 W
Peak Operating Temperature	100 °C	100°C
Max Turbo Power Consumption		219 W
CPU Performance
Performance Cores	6	8
Performance Core Threads	6	16
Performance Core Base Frequency	1.7 GHz	2.0 GHz
Performance Core Turbo Frequency	3.3 GHz	5.8 GHz
Total Core Count	6	24
Total Thread Count	6	32
Bus Frequency	100 MHz	100 MHz
Multiplier	17x	20x
L1 Cache	64 K per core	80 K per core
L2 Cache	256 K per core	2 MB per core
L3 Cache	9 MB shared	36 MB shared
Unlocked Multiplier	No	No
Efficiency Cores		16
Efficiency Core Threads		16
Efficiency Core Base Frequency		1.5 GHz
Efficiency Core Turbo Frequency		4.3 GHz
Memory Parameters
Memory Types	DDR4-2666	DDR5-5600, DDR4-3200
Max Memory Size	128 GB	192 GB
Max Memory Channels	2	2
Max Memory Bandwidth	41.6 GB/s	89.6 GB/s
ECC Memory Support	No	Yes
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	350 MHz	300 MHz
GPU Max Dynamic Frequency	1050 MHz	1650 MHz
Shader Units	192	256
Texture Units	24	16
Raster Operation Units	3	8
Execution Units	24	32
Power Consumption	15 W	15 W
Max Resolution	4096x2304 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	3.0	5.0
PCIe Lanes	16	20
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2
Benchmarks
Cinebench R23 Single Core	774	2236
Cinebench R23 Multi Core	3638	34901
Geekbench 6 Single Core	1120	2958
Geekbench 6 Multi Core	3670	19826
Passmark CPU Single Core	1917	4660
Passmark CPU Multi Core	7447	50020