Intel Core i9 12900K vs AMD Ryzen 5 7645HX
CPU Specs Compare
General Parameters
Release Date
Oct 2021
Jan 2023
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
Package
Manufacturing Process
10 nm
5 nm
Socket
LGA-1700
FL1
Power Consumption
125 W
45-75 W
Peak Operating Temperature
100°C
100°C
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
12
Performance Core Base Frequency
3,2 GHz
4.0 GHz
Performance Core Turbo Frequency
5.1 GHz
5 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
6
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
40x
L1 Cache
64 K per core
64 K per core
L2 Cache
14 MB shared
1 MB per core
L3 Cache
30 MB shared
32 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR5-5200
Max Memory Size
128 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
83.2 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
1500 MHz
GPU Max Dynamic Frequency
1550 MHz
2200 MHz
Shader Units
256
128
Texture Units
16
8
Raster Operation Units
8
4
Execution Units
32
2
Power Consumption
15 W
15 W
📊 Benchmark
Cinebench R23
2,028
1,800
Cinebench R23
27,422
13,954
Geekbench 6
2,631
2,720
Geekbench 6
17,004
11,906
Blender
422
-
Geekbench 5
-
1,895
Geekbench 5
-
11,141