Intel Core i9 12900KF vs Intel Core Ultra 9 285T
We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz 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 i9 12900KF 's Advantages
Higher base frequency (3.2GHz vs 1.4GHz)
Intel Core Ultra 9 285T 's Advantages
Released 3 years and 3 months late
Integrated graphics card
Higher specification of memory (6400 vs 4800)
Larger memory bandwidth (102.4GB/s vs 76.8GB/s)
Newer PCIe version (5 vs 5.0)
Larger L3 cache size (36MB vs 30MB)
More modern manufacturing process (3nm vs 10nm)
Lower TDP (35W vs 125W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 12900KF
2686
Intel Core Ultra 9 285T
+18%
3187
Geekbench 6 Multi Core
Intel Core i9 12900KF
16130
Intel Core Ultra 9 285T
+15%
18565
General Parameters
Oct 2021
Release Date
Jan 2025
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Alder Lake
Core Architecture
Arrow Lake-S
i9-12900KF
Processor Number
-
LGA-1700
Socket
Intel Socket 1851
No
Integrated Graphics
Arc Xe-LPG Graphics 64EU
-
Generation
Ultra 9 (Arrow Lake)
Package
-
Transistor Count
17.8 billions
10 nm
Manufacturing Process
3 nm
125 W
Power Consumption
35 W
241 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
105°C
-
Foundry
TSMC
-
Die Size
243 mm²
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
16
3.2 GHz
Performance Core Base Frequency
1.4 GHz
5.1 GHz
Performance Core Turbo Frequency
5.4 GHz
8
Efficiency Cores
16
8
Efficiency Core Threads
16
2.4 GHz
Efficiency Core Base Frequency
1200 MHz
3.9 GHz
Efficiency Core Turbo Frequency
4.6 GHz
16
Total Core Count
24
24
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
14.0
64 K per core
L1 Cache
192 KB per core
14 MB shared
L2 Cache
3 MB per core
30 MB shared
L3 Cache
36 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR5-6400
128 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
102.4 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Base Frequency
600 MHz
-
GPU Max Dynamic Frequency
1800 MHz
-
Shader Units
512
-
Execution Units
4
-
Graphics Performance
1.79 TFLOPS
