AMD Ryzen 5 7645HX vs AMD Ryzen 9 3950X
CPU · Specs Compare
General Parameters
Release Date
Jan 2023
Nov 2019
Manufacturer
AMD
AMD
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Dragon Range)
Zen 2
Integrated Graphics
Radeon 610M
N/A
Package
Manufacturing Process
5 nm
7 nm
Socket
FL1
AM4
Power Consumption
45-75 W
105 W
Peak Operating Temperature
100°C
—
Transistor Count
—
3.8 billions
CPU Performance
Performance Cores
6
16
Performance Core Threads
12
32
Performance Core Base Frequency
4.0 GHz
3.5 GHz
Performance Core Turbo Frequency
5 GHz
4.7 GHz
Total Core Count
6
16
Total Thread Count
12
32
Bus Frequency
100 MHz
100 MHz
Multiplier
40x
35x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
32 MB shared
64 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-5200
DDR4-3200
Max Memory Size
64 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
83.2 GB/s
47.68 GB/s
ECC Memory Support
No
Yes
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
—
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
16
Benchmark
Cinebench R23
1,800
1,349
Cinebench R23
13,954
24,396
Geekbench 6
2,720
1,709
Geekbench 5
1,895
—
Geekbench 6
11,906
11,656
Geekbench 5
11,141
—
Cinebench 2024
—
72
Cinebench 2024
—
1,325
Passmark CPU
—
2,692
Passmark CPU
—
38,953
▲ Specs Compare
Data sourced from official specifications and benchmark tests.