Product Compare

Intel Core Ultra 9 285HX vs Intel Core i9 11900K

	CPU Intel Core Ultra 9 285HX	CPU Intel Core i9 11900K
General Parameters
Release Date	Jan 2025	Mar 2021
Manufacturer	Intel	Intel
Type	Laptop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Arrow Lake	Rocket Lake
Processor Number	285HX	i9-11900K
Integrated Graphics	Arc Graphics (4-Cores)	UHD Graphics 750
Generation	Ultra 9 (Arrow Lake)
Package
Manufacturing Process	3 nm	14 nm
Socket	FCBGA-2114	LGA-1200
Power Consumption	45-55 W	125 W
Max Turbo Power Consumption	160 W
Peak Operating Temperature	105 °C	100°C
Foundry	Intel
Package	FC-LGA18V
CPU Performance
Performance Cores	8	8
Performance Core Threads	8	16
Performance Core Base Frequency	2.8 GHz	3.5 GHz
Performance Core Turbo Frequency	5.5 GHz	5.3 GHz
Efficiency Cores	16
Efficiency Core Threads	16
Efficiency Core Base Frequency	2.1 GHz
Efficiency Core Turbo Frequency	4.6 GHz
Total Core Count	24	8
Total Thread Count	24	16
Bus Frequency	100 MHz	100 MHz
Multiplier	28	35x
L1 Cache	112 K per core	64 K per core
L2 Cache	2 MB per core	512 K per core
L3 Cache	36 MB shared	16 MB shared
Unlocked Multiplier	Yes	Yes
SMP	1
Memory Parameters
Memory Types	DDR5-6400	DDR4-3200
Max Memory Size	192 GB	128 GB
Max Memory Channels	2	2
Max Memory Bandwidth	102.4 GB/s	50 GB/s
ECC Memory Support	Yes	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz	300 MHz
GPU Max Dynamic Frequency	2000 MHz	1300 MHz
Shader Units	512	256
Texture Units	32	64
Raster Operation Units	16	32
Execution Units	64	32
Power Consumption	14	15 W
Max Resolution		3840x2160 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	5.0	4.0
PCIe Lanes	24	20
Benchmarks
Cinebench R23 Single Core	2009	1653
Cinebench R23 Multi Core	35408	16211
Geekbench 6 Single Core	3113	2492
Geekbench 6 Multi Core	21819	11197
Blender	526	205