AMD Ryzen 9 9900X3D vs AMD Ryzen 9 3900X
We compared two desktop CPUs: AMD Ryzen 9 9900X3D with 12 cores 4.4GHz and AMD Ryzen 9 3900X with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen 9 9900X3D 's Advantages
Released 5 years and 6 months late
Integrated graphics card
Higher specification of memory (5600 vs 3200)
Larger memory bandwidth (89.6GB/s vs 47.68GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (4.4GHz vs 3.8GHz)
Larger L3 cache size (128MB vs 64MB)
More modern manufacturing process (4nm vs 7nm)
AMD Ryzen 9 3900X 's Advantages
Lower TDP (105W vs 120W)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 9 9900X3D
+67%
2188
AMD Ryzen 9 3900X
1306
Cinebench R23 Multi Core
AMD Ryzen 9 9900X3D
+107%
38334
AMD Ryzen 9 3900X
18454
Geekbench 6 Single Core
AMD Ryzen 9 9900X3D
+77%
3271
AMD Ryzen 9 3900X
1842
Geekbench 6 Multi Core
AMD Ryzen 9 9900X3D
+64%
19229
AMD Ryzen 9 3900X
11715
Cinebench 2024 Single Core
AMD Ryzen 9 9900X3D
+79%
140
AMD Ryzen 9 3900X
78
Cinebench 2024 Multi Core
AMD Ryzen 9 9900X3D
+97%
2114
AMD Ryzen 9 3900X
1068
General Parameters
Jan 2025
Release Date
Jul 2019
Amd
Manufacturer
AMD
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 5 (Granite Ridge)
Core Architecture
Zen 2
9900X3D
Processor Number
-
AM5
Socket
AM4
Radeon Graphics
Integrated Graphics
N/A
Ryzen 9 (Zen 5 (Granite Ridge))
Generation
-
Package
16.63 billions
Transistor Count
3.8 billions
4 nm
Manufacturing Process
7 nm
120 W
Power Consumption
105 W
230 W
Max Turbo Power Consumption
-
95 °C
Peak Operating Temperature
95 °C
TSMC
Foundry
-
2x70.6 mm²
Die Size
-
6 nm
I/O Process Size
-
122 mm²
I/O Die Size
-
CPU Performance
12
Performance Cores
12
24
Performance Core Threads
24
4.4 GHz
Performance Core Base Frequency
3.8 GHz
5.5 GHz
Performance Core Turbo Frequency
4.6 GHz
12
Total Core Count
12
24
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
43
Multiplier
38x
80 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
512 K per core
128 MB shared
L3 Cache
64 MB shared
Yes
Unlocked Multiplier
Yes
1
SMP
-
Memory Parameters
DDR5-5600
Memory Types
DDR4-3200
192 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
47.68 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
-
MHz
GPU Base Frequency
-
2200 MHz
GPU Max Dynamic Frequency
-
2
Execution Units
-
