AMD Ryzen 9 3900XT vs AMD Ryzen 3 3100U
CPU · Specs Compare
General Parameters
Release Date
Jul 2020
Jun 2026
Manufacturer
AMD
AMD
Type
Desktop
Laptop
Instruction Set
x86-64
—
Core Architecture
Zen 2 (Matisse)
Picasso
Integrated Graphics
No
Radeon Vega 8
Generation
—
Ryzen 3 (Zen+ (Picasso))
Package
Transistor Count
3.8 billions
4.94 billions
Manufacturing Process
7 nm
12 nm
Socket
AM4
AMD Socket FP5
Power Consumption
105 W
15 W
Peak Operating Temperature
95°C
105°C
Foundry
—
GlobalFoundries
Die Size
—
210 mm²
Package
—
FP5
CPU Performance
Performance Cores
12
—
Performance Core Threads
24
—
Performance Core Base Frequency
3.8 GHz
1.9 GHz
Performance Core Turbo Frequency
4.7 GHz
3.2 GHz
Total Core Count
12
2
Total Thread Count
24
2
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
19.0
L1 Cache
64 K per core
96 KB per core
L2 Cache
512 K per core
512 KB per core
L3 Cache
64 MB shared
4 MB shared
Unlocked Multiplier
Yes
No
SMP
—
1
Memory Parameters
Memory Types
DDR4-3200
DDR4-2400
Max Memory Size
128 GB
—
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
38.4 GB/s
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
4.0
3
PCIe Lanes
24
—
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.