AMD Ryzen 9 3900XT vs AMD Ryzen 7 3800X
We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and AMD Ryzen 7 3800X with 8 cores 3.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen 9 3900XT Advantages
Released 1 years late
Larger L3 cache size (64MB vs 32MB)
AMD Ryzen 7 3800X Advantages
Higher base frequency (3.9GHz vs 3.8GHz)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 9 3900XT
1350
AMD Ryzen 7 3800X
1340
Cinebench R23 Multi Core
AMD Ryzen 9 3900XT
+33%
18437
AMD Ryzen 7 3800X
13812
Geekbench 6 Single Core
AMD Ryzen 9 3900XT
+1%
1763
AMD Ryzen 7 3800X
1743
Geekbench 6 Multi Core
AMD Ryzen 9 3900XT
+27%
11025
AMD Ryzen 7 3800X
8625
Cinebench 2024 Single Core
AMD Ryzen 9 3900XT
+1%
79
AMD Ryzen 7 3800X
78
Cinebench 2024 Multi Core
AMD Ryzen 9 3900XT
+46%
1074
AMD Ryzen 7 3800X
731
Geekbench 5 Single Core
AMD Ryzen 9 3900XT
1311
AMD Ryzen 7 3800X
+1%
1333
Geekbench 5 Multi Core
AMD Ryzen 9 3900XT
+29%
12279
AMD Ryzen 7 3800X
9479
Passmark CPU Single Core
AMD Ryzen 9 3900XT
+2%
2769
AMD Ryzen 7 3800X
2695
Passmark CPU Multi Core
AMD Ryzen 9 3900XT
+40%
32856
AMD Ryzen 7 3800X
23418
General Parameters
Jul 2020
Release Date
Jul 2019
AMD
Manufacturer
Amd
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 2 (Matisse)
Core Architecture
Zen 2
AM4
Socket
AM4
No
Integrated Graphics
No
Package
3.8 billions
Transistor Count
3.8 billions
7 nm
Manufacturing Process
7 nm
105 W
Power Consumption
105 W
95°C
Peak Operating Temperature
95°C
CPU Performance
12
Performance Cores
8
24
Performance Core Threads
16
3.8 GHz
Performance Core Base Frequency
3.9 GHz
4.7 GHz
Performance Core Turbo Frequency
4.5 GHz
12
Total Core Count
8
24
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
38x
Multiplier
39x
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
512 K per core
64 MB shared
L3 Cache
32 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-3200
Memory Types
DDR4-3200
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
47.68 GB/s
Max Memory Bandwidth
47.68 GB/s
Yes
ECC Memory Support
Yes
