AMD Ryzen 9 3900XT vs AMD Ryzen 9 9900X
CPU · Specs Compare
General Parameters
Release Date
Jul 2020
Jun 2024
Manufacturer
AMD
Amd
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2 (Matisse)
Zen 5 (Granite Ridge)
Integrated Graphics
No
Radeon Graphics
Generation
—
Ryzen 9 (Zen 5 (Granite Ridge))
Series
—
Ryzen 9000 Series
Package
Transistor Count
3.8 billions
—
Manufacturing Process
7 nm
4 nm
Socket
AM4
AM5
Power Consumption
105 W
120 W
Peak Operating Temperature
95°C
95 °C
Foundry
—
TSMC
I/O Process Size
—
6 nm
Package
—
FC-LGA1718
CPU Performance
Performance Cores
12
12
Performance Core Threads
24
24
Performance Core Base Frequency
3.8 GHz
4.4 GHz
Performance Core Turbo Frequency
4.7 GHz
5.6 GHz
Total Core Count
12
12
Total Thread Count
24
24
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
44x
L1 Cache
64 K per core
80 K per core
L2 Cache
512 K per core
1 MB per core
L3 Cache
64 MB shared
64 MB shared
Unlocked Multiplier
Yes
Yes
SMP
—
1
Memory Parameters
Memory Types
DDR4-3200
DDR5-5600
Max Memory Size
128 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
89.6 GB/s
ECC Memory Support
Yes
Yes
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
24
28
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
MHz
GPU Max Dynamic Frequency
—
2200 MHz
Execution Units
—
2
Benchmark
Cinebench R23
1,350
2,232
Cinebench R23
18,437
32,626
Geekbench 6
1,763
3,342
Geekbench 5
1,311
—
Geekbench 6
11,025
19,527
Geekbench 5
12,279
—
Blender
261
—
Passmark CPU
2,769
4,648
Passmark CPU
32,856
53,832
Cinebench 2024
—
134
Cinebench 2024
—
1,764
▲ Specs Compare
Data sourced from official specifications and benchmark tests.