Product Compare

Intel Core i9 12900KS vs Intel Core Ultra 9 285

	CPU Intel Core i9 12900KS	CPU Intel Core Ultra 9 285
General Parameters
Release Date	Apr 2022	Dec 2024
Manufacturer	Intel	Intel
Type	Desktop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Alder Lake-S	Arrow Lake
Processor Number	i9-12900KS	285
Integrated Graphics	UHD Graphics 770	Arc Graphics
Generation		Ultra 9 (Arrow Lake)
Package
Manufacturing Process	10 nm	3 nm
Socket	LGA-1700	FCLGA-1851
Power Consumption	150 W	65 W
Peak Operating Temperature	100 °C	105 °C
Transistor Count		17.8 billions
Max Turbo Power Consumption		182 W
Foundry		TSMC
Die Size		243 mm²
Package		FC-LGA18W
CPU Performance
Performance Cores	8	8
Performance Core Base Frequency	3.4 GHz	2.5 GHz
Performance Core Turbo Frequency	5.5 GHz	5.6 GHz
Efficiency Cores	8	16
Total Core Count	16	24
Total Thread Count	24	24
Bus Frequency	100 MHz	100 MHz
Multiplier	34x	25
L1 Cache	64 K per core	192 K per core
L2 Cache	14 MB shared	3 MB per core
L3 Cache	30 MB shared	36 MB shared
Unlocked Multiplier	Yes	No
Performance Core Threads		8
Efficiency Core Threads		16
Efficiency Core Base Frequency		1.9 GHz
Efficiency Core Turbo Frequency		4.6 GHz
SMP		1
Memory Parameters
Memory Types	DDR5-4800, DDR4-3200	DDR5-6400
Max Memory Size	128 GB	256 GB
Max Memory Channels	2	2
Max Memory Bandwidth	76.8 GB/s	102.4 GB/s
ECC Memory Support	Yes	Yes
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz	600 MHz
GPU Max Dynamic Frequency	1550 MHz	2000 MHz
Shader Units	256	512
Texture Units	16
Raster Operation Units	8
Execution Units	32	4
Power Consumption	15 W
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	5.0	5.0
PCIe Lanes	20	24
Benchmarks
Cinebench R23 Single Core	2082	2178
Cinebench R23 Multi Core	27796	33309
Geekbench 6 Single Core	2559	3194
Geekbench 6 Multi Core	15546	21649