Intel Core Ultra 7 265K vs Intel Core i9 12900K
We compared two desktop CPUs: Intel Core Ultra 7 265K with 20 cores 3.9GHz and Intel Core i9 12900K with 16 cores 32GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 265K '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)
Intel Core i9 12900K 's Advantages
Higher base frequency (32GHz vs 3.9GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 265K
+13%
2303
Intel Core i9 12900K
2028
Cinebench R23 Multi Core
Intel Core Ultra 7 265K
+32%
36296
Intel Core i9 12900K
27422
Geekbench 6 Single Core
Intel Core Ultra 7 265K
+19%
3155
Intel Core i9 12900K
2631
Geekbench 6 Multi Core
Intel Core Ultra 7 265K
+25%
21388
Intel Core i9 12900K
17004
Cinebench 2024 Single Core
Intel Core Ultra 7 265K
+9%
137
Intel Core i9 12900K
125
Cinebench 2024 Multi Core
Intel Core Ultra 7 265K
+28%
2025
Intel Core i9 12900K
1574
Blender
Intel Core Ultra 7 265K
+15%
489
Intel Core i9 12900K
422
General Parameters
Oct 2024
Release Date
Oct 2021
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Alder Lake
265K
Processor Number
i9-12900K
FCLGA-1851
Socket
LGA-1700
Arc Xe-LPG
Integrated Graphics
UHD Graphics 770
Ultra 7(Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
10 nm
125 W
Power Consumption
125 W
250 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
100°C
TSMC
Foundry
-
CPU Performance
8
Performance Cores
8
8
Performance Core Threads
16
3.9 GHz
Performance Core Base Frequency
3,2 GHz
5.4 GHz
Performance Core Turbo Frequency
5.1 GHz
12
Efficiency Cores
8
12
Efficiency Core Threads
8
3.3 GHz
Efficiency Core Base Frequency
2.4 GHz
4.6 GHz
Efficiency Core Turbo Frequency
3.9 GHz
20
Total Core Count
16
20
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
39
Multiplier
32x
112 KB per core
L0 Cache
-
192 KB per core
L1 Cache
64 K per core
3 MB per core
L2 Cache
14 MB shared
30 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
Yes
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR5-4800, DDR4-3200
256 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
76.8 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
2000 MHz
GPU Max Dynamic Frequency
1550 MHz
512
Shader Units
256
32
Texture Units
16
16
Raster Operation Units
8
64
Execution Units
32
14
Power Consumption
15 W
2 TFLOPS
Graphics Performance
0.78 TFLOPS
AI Accelerator
Intel AI Boost
NPU
-
13 TOPS
Theoretical performance
-
