AMD Ryzen 9 Pro 9945 vs AMD Ryzen 3 8440U
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
Dec 2023
Manufacturer
Amd
Amd
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Zen 4 (Hawk Point)
Processor Number
9945
—
Integrated Graphics
Radeon Graphics
Radeon 740M
Generation
—
Ryzen 3 (Zen 4 (Hawk Point))
Package
Manufacturing Process
4 nm
4 nm
Socket
AM5
FP8
Power Consumption
65 W
15-30 W
Peak Operating Temperature
95 °C
100 °C
Transistor Count
—
20.9 billions
Foundry
—
TSMC
Die Size
—
137 mm²
Package
—
FP7, FP7r2
CPU Performance
Performance Cores
12
1
Performance Core Threads
24
2
Performance Core Base Frequency
3.4 GHz
3.0 GHz
Performance Core Turbo Frequency
5.4 GHz
4.7 GHz
Total Core Count
12
4
Total Thread Count
24
8
Bus Frequency
100 MHz
100 MHz
Multiplier
34
30
L1 Cache
80 K per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
64 MB shared
8 MB shared
Unlocked Multiplier
Yes
No
Efficiency Cores
—
3
Efficiency Core Threads
—
6
Efficiency Core Base Frequency
—
2.8 GHz
Efficiency Core Turbo Frequency
—
3.3 GHz
SMP
—
1
Memory Parameters
Memory Types
DDR5-5600
DDR5-5600,LPDDR5x-7500
Max Memory Bandwidth
89.6 GB/s
89.6 GB/s
ECC Memory Support
Yes
No
Max Memory Size
—
256 GB
Max Memory Channels
—
2
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
800 MHz
GPU Max Dynamic Frequency
2200 MHz
2500 MHz
Shader Units
128
256
Texture Units
8
16
Raster Operation Units
4
8
Execution Units
2
4
Power Consumption
15
15
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
14
Benchmark
Cinebench R23
2,117
—
Cinebench R23
19,948
—
Geekbench 6
3,284
—
Geekbench 6
16,188
—
Cinebench 2024
135
—
Cinebench 2024
1,230
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.