Intel Core i9 12900T vs Intel Core Ultra 9 285T
We compared two desktop CPUs: Intel Core i9 12900T with 16 cores 1.4GHz and Intel Core Ultra 9 285T with 24 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 9 285T 's Advantages
Released 3 years late
Higher specification of memory (6400 vs 4800)
Larger memory bandwidth (102.4GB/s vs 76.8GB/s)
Larger L3 cache size (36MB vs 30MB)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 12900T
2362
Intel Core Ultra 9 285T
+34%
3187
Geekbench 6 Multi Core
Intel Core i9 12900T
12384
Intel Core Ultra 9 285T
+49%
18565
General Parameters
Jan 2022
Release Date
Jan 2025
Intel
Manufacturer
Intel
Desktop
Type
Desktop
Alder Lake-S
Core Architecture
Arrow Lake-S
Intel Socket 1700
Socket
Intel Socket 1851
UHD Graphics 770
Integrated Graphics
Arc Xe-LPG Graphics 64EU
Core i9 (Alder Lake-S)
Generation
Ultra 9 (Arrow Lake)
Package
-
Transistor Count
17.8 billions
10 nm
Manufacturing Process
3 nm
35 W
Power Consumption
35 W
72 °C
Peak Operating Temperature
105°C
Intel
Foundry
TSMC
215 mm²
Die Size
243 mm²
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
16
1.4 GHz
Performance Core Base Frequency
1.4 GHz
4.9 GHz
Performance Core Turbo Frequency
5.4 GHz
8
Efficiency Cores
16
8
Efficiency Core Threads
16
1000 MHz
Efficiency Core Base Frequency
1200 MHz
3.6 GHz
Efficiency Core Turbo Frequency
4.6 GHz
16
Total Core Count
24
24
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
14.0
Multiplier
14.0
80 KB per core
L1 Cache
192 KB per core
1.25 MB per core
L2 Cache
3 MB per core
30 MB shared
L3 Cache
36 MB shared
Yes
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR4-3200, DDR5-4800
Memory Types
DDR5-6400
-
Max Memory Size
256 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
600 MHz
1550 MHz
GPU Max Dynamic Frequency
1800 MHz
-
Shader Units
512
32
Execution Units
4
-
Graphics Performance
1.79 TFLOPS
