AMD Ryzen 9 3900X vs AMD Ryzen 9 7900
CPU · Specs Compare
General Parameters
Release Date
Jul 2019
Jan 2023
Manufacturer
AMD
Amd
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2
Zen 4 (Raphael)
Integrated Graphics
N/A
Radeon Graphics (Ryzen 7000)
Package
Transistor Count
3.8 billions
13.1 billions
Manufacturing Process
7 nm
5 nm
Socket
AM4
AM5
Power Consumption
105 W
65 W
Peak Operating Temperature
95 °C
95 °C
Max Turbo Power Consumption
—
90 W
CPU Performance
Performance Cores
12
12
Performance Core Threads
24
24
Performance Core Base Frequency
3.8 GHz
3.7 GHz
Performance Core Turbo Frequency
4.6 GHz
5.4 GHz
Total Core Count
12
12
Total Thread Count
24
24
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
37x
L1 Cache
64 K per core
64 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
Memory Parameters
Memory Types
DDR4-3200
DDR5-5200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
83.2 GB/s
ECC Memory Support
Yes
Yes
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
16
28
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
400 MHz
GPU Max Dynamic Frequency
—
2200 MHz
Shader Units
—
128
Texture Units
—
8
Raster Operation Units
—
4
Execution Units
—
2
Power Consumption
—
15 W
Benchmark
Cinebench R23
1,306
2,034
Cinebench R23
18,454
29,358
Geekbench 6
1,842
2,946
Geekbench 5
1,319
—
Geekbench 6
11,715
17,413
Geekbench 5
11,991
—
Cinebench 2024
78
111
Cinebench 2024
1,068
1,525
Passmark CPU
2,683
4,149
Passmark CPU
32,531
48,837
Blender
—
463
▲ Specs Compare
Data sourced from official specifications and benchmark tests.