Product Compare

Intel Core Ultra 7 255H vs Intel Core i9 14900KS

	CPU Intel Core Ultra 7 255H	CPU Intel Core i9 14900KS
General Parameters
Release Date	Jan 2025	Mar 2024
Manufacturer	Intel	Intel
Type	Laptop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Arrow Lake	Raptor Lake Refresh
Processor Number	255H	i9-14900KS
Integrated Graphics	Arc Graphics 140T	UHD Graphics 770
Package
Manufacturing Process	3 nm	10 nm
Socket	FCBGA-2049	LGA-1700
Power Consumption	20-28 W	150 W
Max Turbo Power Consumption	115 W	253 W
Peak Operating Temperature	110 °C	100°C
CPU Performance
Performance Cores	6	8
Performance Core Threads	6	16
Performance Core Base Frequency	2.0 GHz	3.2 GHz
Performance Core Turbo Frequency	5.1 GHz	6.2 GHz
Efficiency Cores	10	16
Efficiency Core Threads	10	16
Efficiency Core Base Frequency	1.5 GHz	2.4 GHz
Efficiency Core Turbo Frequency	4.4 GHz	4.5 GHz
Total Core Count	16	24
Total Thread Count	16	32
Bus Frequency	100 MHz	100 MHz
Multiplier	20	32x
L1 Cache	112 K per core	80 K per core
L2 Cache	2 MB per core	2 MB per core
L3 Cache	24 MB shared	36 MB shared
Unlocked Multiplier	No	Yes
Memory Parameters
Memory Types	LPDDR5-8400,LPDDR5x-8400,DDR5-6400	DDR5-5600, DDR4-3200
Max Memory Size	128 GB	192 GB
Max Memory Channels	2	2
ECC Memory Support	No	Yes
Max Memory Bandwidth		89.6 GB/s
Graphics Card Parameters
Integrated Graphics	true	true
GPU Max Dynamic Frequency	2250 MHz	1650 MHz
GPU Base Frequency		300 MHz
Shader Units		256
Texture Units		16
Raster Operation Units		8
Execution Units		32
Power Consumption		15 W
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	5.0	5.0
PCIe Lanes	28	20
Benchmarks
Cinebench R23 Single Core	2029	2398
Cinebench R23 Multi Core	20521	40976
Geekbench 6 Single Core	2823	3444
Geekbench 6 Multi Core	15662	24020
Cinebench 2024 Single Core	115	142
Cinebench 2024 Multi Core	1102	2158
Blender	278	603