Intel Core i9 12900T vs AMD Ryzen 5 Pro 9645
CPU Specs Compare
General Parameters
Release Date
Jan 2022
Jan 2026
Manufacturer
Intel
Amd
Type
Desktop
Desktop
Core Architecture
Alder Lake-S
Zen 5 (Granite Ridge)
Integrated Graphics
UHD Graphics 770
Radeon Graphics
Generation
Core i9 (Alder Lake-S)
-
Instruction Set
-
x86-64
Processor Number
-
9645
Package
Manufacturing Process
10 nm
4 nm
Socket
Intel Socket 1700
AM5
Power Consumption
35 W
65 W
Peak Operating Temperature
72 °C
95 °C
Foundry
Intel
-
Die Size
215 mm²
-
Package
FC-LGA16A
-
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
12
Performance Core Base Frequency
1.4 GHz
3.9 GHz
Performance Core Turbo Frequency
4.9 GHz
5.4 GHz
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1000 MHz
-
Efficiency Core Turbo Frequency
3.6 GHz
-
Total Core Count
16
6
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
14.0
39
L1 Cache
80 KB per core
80 K per core
L2 Cache
1.25 MB per core
1 MB per core
L3 Cache
30 MB shared
32 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
-
Memory Parameters
Memory Types
DDR4-3200, DDR5-4800
DDR5-5600
Max Memory Channels
2
-
Max Memory Bandwidth
76.8 GB/s
-
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
400 MHz
GPU Max Dynamic Frequency
1550 MHz
2200 MHz
Execution Units
32
2
Shader Units
-
128
Texture Units
-
8
Raster Operation Units
-
4
Power Consumption
-
15
📊 Benchmark
Cinebench R23
1,865
2,150
Cinebench R23
22,804
17,163
Geekbench 6
2,362
3,285
Geekbench 6
12,384
13,515
Blender
153
-
Cinebench 2024
-
132
Cinebench 2024
-
969
Passmark CPU
-
4,641
Passmark CPU
-
31,474