Intel Core i9 12900K vs Intel Core Ultra 5 245K
We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and Intel Core Ultra 5 245K 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 12900K 's Advantages
Higher base frequency (32GHz vs 4.2GHz)
Larger L3 cache size (30MB vs 24MB)
Intel Core Ultra 5 245K 's Advantages
Released 3 years late
Better graphics card performance
Higher specification of memory (6400 vs 4800)
Larger memory bandwidth (102.4GB/s vs 76.8GB/s)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 12900K
2028
Intel Core Ultra 5 245K
+4%
2118
Cinebench R23 Multi Core
Intel Core i9 12900K
+9%
27422
Intel Core Ultra 5 245K
25099
Geekbench 6 Single Core
Intel Core i9 12900K
2631
Intel Core Ultra 5 245K
+13%
2982
Geekbench 6 Multi Core
Intel Core i9 12900K
17004
Intel Core Ultra 5 245K
+5%
17867
Cinebench 2024 Single Core
Intel Core i9 12900K
125
Intel Core Ultra 5 245K
+8%
136
Cinebench 2024 Multi Core
Intel Core i9 12900K
+3%
1574
Intel Core Ultra 5 245K
1526
Blender
Intel Core i9 12900K
+10%
422
Intel Core Ultra 5 245K
382
Geekbench 5 Single Core
Intel Core i9 12900K
1970
Intel Core Ultra 5 245K
+14%
2248
Geekbench 5 Multi Core
Intel Core i9 12900K
17028
Intel Core Ultra 5 245K
+7%
18354
Passmark CPU Single Core
Intel Core i9 12900K
4173
Intel Core Ultra 5 245K
+12%
4679
Passmark CPU Multi Core
Intel Core i9 12900K
41390
Intel Core Ultra 5 245K
+4%
43435
General Parameters
Oct 2021
Release Date
Oct 2024
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Arrow Lake
i9-12900K
Processor Number
245K
LGA-1700
Socket
FCLGA-1851
UHD Graphics 770
Integrated Graphics
Arc Xe2 (Arrow Lake-S)
-
Generation
Ultra 5(Arrow Lake)
Package
-
Transistor Count
17.8 billions
10 nm
Manufacturing Process
3 nm
125 W
Power Consumption
125 W
-
Max Turbo Power Consumption
159 W
100°C
Peak Operating Temperature
105 °C
-
Foundry
TSMC
CPU Performance
8
Performance Cores
6
16
Performance Core Threads
6
3,2 GHz
Performance Core Base Frequency
4.2 GHz
5.1 GHz
Performance Core Turbo Frequency
5.2 GHz
8
Efficiency Cores
8
8
Efficiency Core Threads
8
2.4 GHz
Efficiency Core Base Frequency
3.6 GHz
3.9 GHz
Efficiency Core Turbo Frequency
4.6 GHz
16
Total Core Count
14
24
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
42
64 K per core
L1 Cache
112 K per core
14 MB shared
L2 Cache
3 MB per core
30 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR5-6400
128 GB
Max Memory Size
192 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
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1550 MHz
GPU Max Dynamic Frequency
1900 MHz
256
Shader Units
512
16
Texture Units
16
8
Raster Operation Units
8
32
Execution Units
64
15 W
Power Consumption
-
0.78 TFLOPS
Graphics Performance
1.95 TFLOPS
