AMD Ryzen 9 Pro 9945 vs AMD Ryzen 7 5800X3D
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
Mar 2022
Manufacturer
Amd
Amd
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Zen 3 (Vermeer)
Processor Number
9945
—
Integrated Graphics
Radeon Graphics
No
Package
Manufacturing Process
4 nm
7 nm
Socket
AM5
AM4
Power Consumption
65 W
105 W
Peak Operating Temperature
95 °C
90 °C
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
3.4 GHz
3.4 GHz
Performance Core Turbo Frequency
5.4 GHz
4.5 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
34
34
L1 Cache
80 K per core
64 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
64 MB shared
96 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-5600
DDR4-3200,DDR4-2933,DDR4-2667
Max Memory Bandwidth
89.6 GB/s
47.68 GB/s
ECC Memory Support
Yes
Yes
Max Memory Size
—
128 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
1,476
Cinebench R23
19,948
14,514
Geekbench 6
3,284
2,112
Geekbench 6
16,188
11,193
Cinebench 2024
135
95
Cinebench 2024
1,230
835
Passmark CPU
—
3,232
Passmark CPU
—
28,284
▲ Specs Compare
Data sourced from official specifications and benchmark tests.