AMD Ryzen 9 3900X vs AMD Ryzen 7 7800X
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
—
Manufacturing Process
7 nm
5 nm
Socket
AM4
AM5
Power Consumption
105 W
105 W
Peak Operating Temperature
95 °C
95 °C
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
3.8 GHz
4.5 GHz
Performance Core Turbo Frequency
4.6 GHz
5.4 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
45
L1 Cache
64 K per core
—
L2 Cache
512 K per core
1 MB per core
L3 Cache
64 MB shared
40 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
—
ECC Memory Support
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
Benchmark
Cinebench R23
1,306
—
Cinebench R23
18,454
—
Geekbench 6
1,842
—
Geekbench 5
1,319
2,097
Geekbench 6
11,715
—
Geekbench 5
11,991
16,163
Cinebench 2024
78
—
Cinebench 2024
1,068
—
Passmark CPU
2,683
—
Passmark CPU
32,531
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.