AMD Ryzen 9 3900XT vs AMD Ryzen 5 7640U
CPU Specs Compare
General Parameters
Release Date
Jul 2020
May 2023
Manufacturer
AMD
AMD
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2 (Matisse)
Zen 4 (Phoenix)
Integrated Graphics
No
Radeon 760M
Package
Transistor Count
3.8 billions
25 billions
Manufacturing Process
7 nm
4 nm
Socket
AM4
FP8
Power Consumption
105 W
15-30 W
Peak Operating Temperature
95°C
100 °C
CPU Performance
Performance Cores
12
6
Performance Core Threads
24
12
Performance Core Base Frequency
3.8 GHz
3.5 GHz
Performance Core Turbo Frequency
4.7 GHz
4.9 GHz
Total Core Count
12
6
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
35
L1 Cache
64 K per core
64 K per core
L2 Cache
512 K per core
6 MB
L3 Cache
64 MB shared
16 MB
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-3200
DDR5-5600, LPDDR5x-7500
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
89.6 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
-
true
GPU Base Frequency
-
800 MHz
GPU Max Dynamic Frequency
-
2600 MHz
Shader Units
-
512
Texture Units
-
32
Raster Operation Units
-
16
Execution Units
-
8
Power Consumption
-
15
AI Accelerator
NPU
-
AMD Ryzen™ AI
Theoretical performance
-
10 TOPS
📊 Benchmark
Cinebench R23
1,350
1,633
Cinebench R23
18,437
11,000
Geekbench 6
1,763
2,337
Geekbench 5
1,311
-
Geekbench 6
11,025
10,412
Geekbench 5
12,279
-
Blender
261
181
Passmark CPU
2,769
3,506
Passmark CPU
32,856
21,172