Intel Core i9 12900K vs AMD Ryzen 9 8945HX
CPU Specs Compare
General Parameters
Release Date
Oct 2021
Apr 2025
Manufacturer
Intel
Amd
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Zen 4 (Dragon Range)
Processor Number
i9-12900K
-
Integrated Graphics
UHD Graphics 770
Radeon 610M
Generation
-
Ryzen 9 (Zen 4 (Dragon Range))
Package
Manufacturing Process
10 nm
5 nm
Socket
LGA-1700
FL1
Power Consumption
125 W
55 W
Peak Operating Temperature
100°C
100 °C
Transistor Count
-
13.14 billions
Max Turbo Power Consumption
-
75 W
Foundry
-
TSMC
Die Size
-
2x71 mm²
I/O Process Size
-
6 nm
I/O Die Size
-
122 mm²
Package
-
µFC-BGAFL1
CPU Performance
Performance Cores
8
16
Performance Core Threads
16
32
Performance Core Base Frequency
3,2 GHz
2.5 GHz
Performance Core Turbo Frequency
5.1 GHz
5.4 GHz
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
2.4 GHz
-
Efficiency Core Turbo Frequency
3.9 GHz
-
Total Core Count
16
16
Total Thread Count
24
32
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
24
L1 Cache
64 K per core
64 K per core
L2 Cache
14 MB shared
1 MB per core
L3 Cache
30 MB shared
64 MB shared
Unlocked Multiplier
Yes
Yes
SMP
-
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR5-5200
Max Memory Size
128 GB
-
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
-
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1550 MHz
2200 MHz
Shader Units
256
-
Texture Units
16
-
Raster Operation Units
8
-
Execution Units
32
-
Power Consumption
15 W
-
📊 Benchmark
Cinebench R23
2,028
2,001
Cinebench R23
27,422
34,973
Geekbench 6
2,631
2,766
Geekbench 6
17,004
16,747
Blender
422
-
Cinebench 2024
-
113
Cinebench 2024
-
1,719
Passmark CPU
-
4,035
Passmark CPU
-
55,980