AMD Ryzen 9 7900 vs AMD Ryzen 7 3800XT
CPU · Specs Compare
General Parameters
Release Date
Jan 2023
Jul 2020
Manufacturer
Amd
AMD
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Raphael)
Zen 2
Integrated Graphics
Radeon Graphics (Ryzen 7000)
N/A
Package
Transistor Count
13.1 billions
3.8 billions
Manufacturing Process
5 nm
7 nm
Socket
AM5
AM4
Power Consumption
65 W
105 W
Max Turbo Power Consumption
90 W
—
Peak Operating Temperature
95 °C
95 °C
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
16
Performance Core Base Frequency
3.7 GHz
3.9 GHz
Performance Core Turbo Frequency
5.4 GHz
4.7 GHz
Total Core Count
12
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
37x
39x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
64 MB shared
32 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-5200
DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
83.2 GB/s
47.68 GB/s
ECC Memory Support
Yes
No
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
—
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
24
Benchmark
Cinebench R23
2,034
1,351
Cinebench R23
29,358
12,952
Geekbench 6
2,946
1,679
Geekbench 6
17,413
6,343
Cinebench 2024
111
81
Cinebench 2024
1,525
734
Blender
463
—
Passmark CPU
4,149
2,793
Passmark CPU
48,837
23,540
Geekbench 5
—
1,319
Geekbench 5
—
9,327
▲ Specs Compare
Data sourced from official specifications and benchmark tests.