Product Compare

Intel Core i5 6400 vs Intel Core Ultra 7 155U

	CPU Intel Core i5 6400	CPU Intel Core Ultra 7 155U
General Parameters
Release Date	Sep 2015	Dec 2023
Manufacturer	Intel	Intel
Type	Desktop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Skylake	Meteor Lake
Processor Number	i5-6400	155U
Integrated Graphics	HD Graphics 530	Arc Graphics (4-Cores)
Package
Manufacturing Process	14 nm	7 nm
Socket	LGA-1151	FCBGA-2049
Power Consumption	65 W	12-15 W
Max Turbo Power Consumption		57 W
Peak Operating Temperature		110 °C
CPU Performance
Performance Cores	4	2
Performance Core Threads	4	4
Performance Core Base Frequency	2.7 GHz	1.7 GHz
Performance Core Turbo Frequency	3.3 GHz	4.8 GHz
Total Core Count	4	12
Total Thread Count	4	14
Bus Frequency	100 MHz	100 MHz
Multiplier	27x	17
L1 Cache	64 K per core	112 K per core
L2 Cache	256 K per core	2 MB per core
L3 Cache	6 MB shared	12 MB shared
Unlocked Multiplier	No	No
Efficiency Cores		10
Efficiency Core Threads		10
Efficiency Core Base Frequency		1.2 GHz
Efficiency Core Turbo Frequency		3.8 GHz
Memory Parameters
Memory Types	DDR4-2133, DDR3L-1600	LPDDR5-7467,LPDDR5x-7467,DDR5-5600
Max Memory Size	64 GB	96 GB
Max Memory Channels	2	2
Max Memory Bandwidth	34.1 GB/s	120 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Max Dynamic Frequency	950 MHz	1950 MHz
GPU Base Frequency		300 MHz
Shader Units		512
Texture Units		32
Raster Operation Units		16
Execution Units		64
Power Consumption		14
Max Resolution		7680x4320 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	3.0	4.0
PCIe Lanes	16	20
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2
Benchmarks
Cinebench R23 Single Core	898	1730
Cinebench R23 Multi Core	3214	9875
Geekbench 6 Single Core	1143	2314
Geekbench 6 Multi Core	3312	9486
Blender	49	140
Passmark CPU Single Core	1961	3413
Passmark CPU Multi Core	5151	16486