AMD Ryzen 9 Pro 9945 vs AMD Ryzen 5 8400F
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
May 2024
Manufacturer
Amd
Amd
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Zen 4 (Phoenix)
Processor Number
9945
—
Integrated Graphics
Radeon Graphics
No
Generation
—
Ryzen 5 (Zen 4 (Phoenix))
Package
Manufacturing Process
4 nm
4 nm
Socket
AM5
AM5
Power Consumption
65 W
45-65 W
Peak Operating Temperature
95 °C
95 °C
Transistor Count
—
25 billions
Foundry
—
TSMC
Die Size
—
178 mm²
Package
—
FC-LGA1718
CPU Performance
Performance Cores
12
6
Performance Core Threads
24
12
Performance Core Base Frequency
3.4 GHz
4.2 GHz
Performance Core Turbo Frequency
5.4 GHz
4.7 GHz
Total Core Count
12
6
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
34
42
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
16 MB shared
Unlocked Multiplier
Yes
Yes
SMP
—
1
Memory Parameters
Memory Types
DDR5-5600
DDR5-5200
Max Memory Bandwidth
89.6 GB/s
83.2 GB/s
ECC Memory Support
Yes
No
Max Memory Size
—
256 GB
Max Memory Channels
—
2
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
400 MHz
—
GPU Max Dynamic Frequency
2200 MHz
—
Shader Units
128
—
Texture Units
8
—
Raster Operation Units
4
—
Execution Units
2
—
Power Consumption
15
—
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
20
Benchmark
Cinebench R23
2,117
1,691
Cinebench R23
19,948
13,361
Geekbench 6
3,284
2,500
Geekbench 6
16,188
10,760
Cinebench 2024
135
—
Cinebench 2024
1,230
—
Passmark CPU
—
3,553
Passmark CPU
—
23,127
▲ Specs Compare
Data sourced from official specifications and benchmark tests.