AMD Ryzen 9 Pro 9945 vs Intel Core i9 12900T
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
Jan 2022
Manufacturer
Amd
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
—
Core Architecture
Zen 5 (Granite Ridge)
Alder Lake-S
Processor Number
9945
—
Integrated Graphics
Radeon Graphics
UHD Graphics 770
Generation
—
Core i9 (Alder Lake-S)
Package
Manufacturing Process
4 nm
10 nm
Socket
AM5
Intel Socket 1700
Power Consumption
65 W
35 W
Peak Operating Temperature
95 °C
72 °C
Foundry
—
Intel
Die Size
—
215 mm²
Package
—
FC-LGA16A
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
3.4 GHz
1.4 GHz
Performance Core Turbo Frequency
5.4 GHz
4.9 GHz
Total Core Count
12
16
Total Thread Count
24
24
Bus Frequency
100 MHz
100 MHz
Multiplier
34
14.0
L1 Cache
80 K per core
80 KB per core
L2 Cache
1 MB per core
1.25 MB per core
L3 Cache
64 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
Efficiency Cores
—
8
Efficiency Core Threads
—
8
Efficiency Core Base Frequency
—
1000 MHz
Efficiency Core Turbo Frequency
—
3.6 GHz
SMP
—
1
Memory Parameters
Memory Types
DDR5-5600
DDR4-3200, DDR5-4800
Max Memory Bandwidth
89.6 GB/s
76.8 GB/s
ECC Memory Support
Yes
No
Max Memory Channels
—
2
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
300 MHz
GPU Max Dynamic Frequency
2200 MHz
1550 MHz
Shader Units
128
—
Texture Units
8
—
Raster Operation Units
4
—
Execution Units
2
32
Power Consumption
15
—
Miscellaneous
PCIe Version
5.0
5
PCIe Lanes
28
20
Benchmark
Cinebench R23
2,117
1,865
Cinebench R23
19,948
22,804
Geekbench 6
3,284
2,362
Geekbench 6
16,188
12,384
Cinebench 2024
135
—
Cinebench 2024
1,230
—
Blender
—
153
▲ Specs Compare
Data sourced from official specifications and benchmark tests.