AMD Ryzen 9 3900XT vs AMD Ryzen AI 5 435G
CPU · Specs Compare
General Parameters
Release Date
Jul 2020
Mar 2026
Manufacturer
AMD
AMD
Type
Desktop
Desktop
Instruction Set
x86-64
—
Core Architecture
Zen 2 (Matisse)
Gorgon Point
Integrated Graphics
No
Radeon 840M
Generation
—
Ryzen AI 400 (Zen 5 / Zen 5c)
Package
Transistor Count
3.8 billions
—
Manufacturing Process
7 nm
4 nm
Socket
AM4
AMD Socket AM5
Power Consumption
105 W
65 W
Peak Operating Temperature
95°C
95°C
Foundry
—
TSMC
Package
—
FC-LGA1718
CPU Performance
Performance Cores
12
—
Performance Core Threads
24
—
Performance Core Base Frequency
3.8 GHz
2 GHz
Performance Core Turbo Frequency
4.7 GHz
4.5 GHz
Total Core Count
12
6
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
20.0
L1 Cache
64 K per core
80 KB per core
L2 Cache
512 K per core
1 MB per core
L3 Cache
64 MB shared
4 MB
Unlocked Multiplier
Yes
Yes
Efficiency Core Base Frequency
—
2000 MHz
Efficiency Core Turbo Frequency
—
3.4 GHz
SMP
—
1
Memory Parameters
Memory Types
DDR4-3200
DDR5-5600
Max Memory Size
128 GB
—
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
—
ECC Memory Support
Yes
Yes
Miscellaneous
PCIe Version
4.0
4
PCIe Lanes
24
10
Benchmark
Cinebench R23
1,350
—
Cinebench R23
18,437
—
Geekbench 6
1,763
—
Geekbench 5
1,311
—
Geekbench 6
11,025
—
Geekbench 5
12,279
—
Blender
261
—
Passmark CPU
2,769
—
Passmark CPU
32,856
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.