Intel Core i9 12900K vs Intel Core Ultra 9 285
We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and Intel Core Ultra 9 285 with 24 cores 2.5GHz . 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 2.5GHz)
Intel Core Ultra 9 285 's Advantages
Released 3 years and 2 months late
Better graphics card performance
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)
Lower TDP (65W vs 125W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 12900K
2028
Intel Core Ultra 9 285
+7%
2178
Cinebench R23 Multi Core
Intel Core i9 12900K
27422
Intel Core Ultra 9 285
+21%
33309
Geekbench 6 Single Core
Intel Core i9 12900K
2631
Intel Core Ultra 9 285
+21%
3194
Geekbench 6 Multi Core
Intel Core i9 12900K
17004
Intel Core Ultra 9 285
+27%
21649
Cinebench 2024 Single Core
Intel Core i9 12900K
125
Intel Core Ultra 9 285
+6%
133
Cinebench 2024 Multi Core
Intel Core i9 12900K
1574
Intel Core Ultra 9 285
+25%
1979
General Parameters
Oct 2021
Release Date
Dec 2024
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Arrow Lake
i9-12900K
Processor Number
285
LGA-1700
Socket
FCLGA-1851
UHD Graphics 770
Integrated Graphics
Arc Graphics
-
Generation
Ultra 9 (Arrow Lake)
Package
-
Transistor Count
17.8 billions
10 nm
Manufacturing Process
3 nm
125 W
Power Consumption
65 W
-
Max Turbo Power Consumption
182 W
100°C
Peak Operating Temperature
105 °C
-
Foundry
TSMC
-
Die Size
243 mm²
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
8
3,2 GHz
Performance Core Base Frequency
2.5 GHz
5.1 GHz
Performance Core Turbo Frequency
5.6 GHz
8
Efficiency Cores
16
8
Efficiency Core Threads
16
2.4 GHz
Efficiency Core Base Frequency
1.9 GHz
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
25
64 K per core
L1 Cache
192 K 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
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
600 MHz
1550 MHz
GPU Max Dynamic Frequency
2000 MHz
256
Shader Units
512
16
Texture Units
-
8
Raster Operation Units
-
32
Execution Units
4
15 W
Power Consumption
-
0.78 TFLOPS
Graphics Performance
1.79 TFLOPS
