Intel Core Ultra 5 245T vs Intel Core i9 12900KF
We compared two desktop CPUs: Intel Core Ultra 5 245T with 14 cores 2.2GHz and Intel Core i9 12900KF with 16 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 5 245T 's Advantages
Released 3 years and 3 months late
Higher specification of memory (6400 vs 4800)
More modern manufacturing process (3nm vs 10nm)
Lower TDP (65W vs 125W)
Intel Core i9 12900KF 's Advantages
Newer PCIe version (5.0 vs 5)
Higher base frequency (3.2GHz vs 2.2GHz)
Larger L3 cache size (30MB vs 24MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core Ultra 5 245T
+3%
2770
Intel Core i9 12900KF
2686
Geekbench 6 Multi Core
Intel Core Ultra 5 245T
14476
Intel Core i9 12900KF
+11%
16130
General Parameters
Jan 2025
Release Date
Oct 2021
Intel
Manufacturer
Intel
Desktop
Type
Desktop
-
Instruction Set
x86-64
Arrow Lake-S
Core Architecture
Alder Lake
-
Processor Number
i9-12900KF
Intel Socket 1851
Socket
LGA-1700
Arc Xe-LPG Graphics 64EU
Integrated Graphics
No
Ultra 5 (Arrow Lake)
Generation
-
Package
17.8 billions
Transistor Count
-
3 nm
Manufacturing Process
10 nm
65 W
Power Consumption
125 W
-
Max Turbo Power Consumption
241 W
105°C
Peak Operating Temperature
100°C
TSMC
Foundry
-
243 mm²
Die Size
-
CPU Performance
6
Performance Cores
8
12
Performance Core Threads
16
2.2 GHz
Performance Core Base Frequency
3.2 GHz
5.1 GHz
Performance Core Turbo Frequency
5.1 GHz
8
Efficiency Cores
8
8
Efficiency Core Threads
8
1700 MHz
Efficiency Core Base Frequency
2.4 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.9 GHz
14
Total Core Count
16
14
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
22.0
Multiplier
32x
192 KB per core
L1 Cache
64 K per core
3 MB per core
L2 Cache
14 MB shared
24 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR5-4800, DDR4-3200
-
Max Memory Size
128 GB
2
Max Memory Channels
2
-
Max Memory Bandwidth
76.8 GB/s
Yes
ECC Memory Support
Yes
