Intel Core i9 12900T vs Intel Core Ultra 5 245KF
We compared two desktop CPUs: Intel Core i9 12900T with 16 cores 1.4GHz and Intel Core Ultra 5 245KF with 14 cores 4.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 12900T 's Advantages
Integrated graphics card
Larger L3 cache size (30MB vs 24MB)
Lower TDP (35W vs 125W)
Intel Core Ultra 5 245KF 's Advantages
Released 2 years and 9 months late
Higher specification of memory (6400 vs 4800)
Larger memory bandwidth (102.4GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 5)
Higher base frequency (4.2GHz vs 1.4GHz)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 12900T
1865
Intel Core Ultra 5 245KF
+14%
2131
Cinebench R23 Multi Core
Intel Core i9 12900T
22804
Intel Core Ultra 5 245KF
+10%
25194
Geekbench 6 Single Core
Intel Core i9 12900T
2362
Intel Core Ultra 5 245KF
+24%
2942
Geekbench 6 Multi Core
Intel Core i9 12900T
12384
Intel Core Ultra 5 245KF
+42%
17612
Blender
Intel Core i9 12900T
153
Intel Core Ultra 5 245KF
+107%
317
General Parameters
Jan 2022
Release Date
Oct 2024
Intel
Manufacturer
Intel
Desktop
Type
Desktop
-
Instruction Set
x86-64
Alder Lake-S
Core Architecture
Arrow Lake
-
Processor Number
245KF
Intel Socket 1700
Socket
FCLGA-1851
UHD Graphics 770
Integrated Graphics
No
Core i9 (Alder Lake-S)
Generation
Ultra 5(Arrow Lake)
Package
-
Transistor Count
17.8 billions
10 nm
Manufacturing Process
3 nm
35 W
Power Consumption
125 W
-
Max Turbo Power Consumption
159 W
72 °C
Peak Operating Temperature
105 °C
Intel
Foundry
TSMC
215 mm²
Die Size
-
CPU Performance
8
Performance Cores
6
16
Performance Core Threads
6
1.4 GHz
Performance Core Base Frequency
4.2 GHz
4.9 GHz
Performance Core Turbo Frequency
5.2 GHz
8
Efficiency Cores
8
8
Efficiency Core Threads
8
1000 MHz
Efficiency Core Base Frequency
3.6 GHz
3.6 GHz
Efficiency Core Turbo Frequency
4.6 GHz
16
Total Core Count
14
24
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
14.0
Multiplier
42
80 KB per core
L1 Cache
112 K per core
1.25 MB per core
L2 Cache
3 MB per core
30 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
Yes
1
SMP
1
Memory Parameters
DDR4-3200, DDR5-4800
Memory Types
DDR5-6400
-
Max Memory Size
192 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
-
300 MHz
GPU Base Frequency
-
1550 MHz
GPU Max Dynamic Frequency
-
32
Execution Units
-
