Product Compare

Intel Core i9 12900T vs Intel Core Ultra 7 255U

	CPU Intel Core i9 12900T	CPU Intel Core Ultra 7 255U
General Parameters
Release Date	Jan 2022	Jan 2025
Manufacturer	Intel	Intel
Type	Desktop	Laptop
Core Architecture	Alder Lake-S	Arrow Lake
Integrated Graphics	UHD Graphics 770	Arc Graphics (4-Cores)
Generation	Core i9 (Alder Lake-S)
Instruction Set		x86-64
Processor Number		255U
Package
Manufacturing Process	10 nm	3 nm
Socket	Intel Socket 1700	FCBGA-2049
Power Consumption	35 W	12-15 W
Peak Operating Temperature	72 °C	110 °C
Foundry	Intel
Die Size	215 mm²
Package	FC-LGA16A
Max Turbo Power Consumption		57 W
CPU Performance
Performance Cores	8	2
Performance Core Threads	16	4
Performance Core Base Frequency	1.4 GHz	2.0 GHz
Performance Core Turbo Frequency	4.9 GHz	5.2 GHz
Efficiency Cores	8	10
Efficiency Core Threads	8	10
Efficiency Core Base Frequency	1000 MHz	1.7 GHz
Efficiency Core Turbo Frequency	3.6 GHz	4.2 GHz
Total Core Count	16	12
Total Thread Count	24	14
Bus Frequency	100 MHz	100 MHz
Multiplier	14.0	20
L1 Cache	80 KB per core	112 K per core
L2 Cache	1.25 MB per core	2 MB per core
L3 Cache	30 MB shared	12 MB shared
Unlocked Multiplier	Yes	No
SMP	1
Memory Parameters
Memory Types	DDR4-3200, DDR5-4800	LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Channels	2	2
Max Memory Bandwidth	76.8 GB/s
ECC Memory Support	No	No
Max Memory Size		128 GB
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz
GPU Max Dynamic Frequency	1550 MHz	2100 MHz
Execution Units	32
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	5	4.0
PCIe Lanes	20	20
Benchmarks
Cinebench R23 Single Core	1865	1803
Cinebench R23 Multi Core	22804	11888
Geekbench 6 Single Core	2362	2582
Geekbench 6 Multi Core	12384	10941