AMD Ryzen 9 3900XT vs AMD Ryzen 7 7800X3D
CPU · Specs Compare
General Parameters
Release Date
Jul 2020
Jan 2023
Manufacturer
AMD
AMD
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2 (Matisse)
Zen 4 (Raphael)
Integrated Graphics
No
Radeon Graphics (Ryzen 7000)
Package
Transistor Count
3.8 billions
6.57 billions
Manufacturing Process
7 nm
5 nm
Socket
AM4
AM5
Power Consumption
105 W
120 W
Peak Operating Temperature
95°C
89°C
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
3.8 GHz
4.4 GHz
Performance Core Turbo Frequency
4.7 GHz
5 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
44x
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
96 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
24
24
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
1500 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
1,350
1,817
Cinebench R23
18,437
17,762
Geekbench 6
1,763
2,607
Geekbench 5
1,311
1,940
Geekbench 6
11,025
14,702
Geekbench 5
12,279
13,605
Blender
261
332
Passmark CPU
2,769
—
Passmark CPU
32,856
—
Cinebench 2024
—
108
Cinebench 2024
—
1,093
▲ Specs Compare
Data sourced from official specifications and benchmark tests.