Home Comparison AMD Ryzen 3 5400U vs AMD Ryzen 5 7645HX

AMD Ryzen 3 5400U vs AMD Ryzen 5 7645HX

AMD Ryzen 3 5400U
VS
AMD Ryzen 5 7645HX
AMD Ryzen 3 5400U
AMD Ryzen 5 7645HX
We compared two laptop CPUs: AMD Ryzen 3 5400U with 4 cores 2.6GHz and AMD Ryzen 5 7645HX with 6 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 3 5400U 's Advantages
Lower TDP (25W vs 75W)
AMD Ryzen 5 7645HX 's Advantages
Released 2 years late
Higher specification of memory (5200 vs 4266)
Larger memory bandwidth (83.2GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.0GHz vs 2.6GHz)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Geekbench 6 Single Core
AMD Ryzen 3 5400U
1639
AMD Ryzen 5 7645HX +65%
2720
Geekbench 6 Multi Core
AMD Ryzen 3 5400U
4483
AMD Ryzen 5 7645HX +165%
11906
Geekbench 5 Single Core
AMD Ryzen 3 5400U
1227
AMD Ryzen 5 7645HX +54%
1895
Geekbench 5 Multi Core
AMD Ryzen 3 5400U
4025
AMD Ryzen 5 7645HX +176%
11141
AMD Ryzen 3 5400U
VS
AMD Ryzen 5 7645HX

General Parameters

Jan 2021
Release Date
Jan 2023
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Cezanne
Core Architecture
Zen 4 (Dragon Range)
FP6
Socket
FL1
Radeon RX Vega 6
Integrated Graphics
Radeon 610M

Package

7 nm
Manufacturing Process
5 nm
10-25 W
Power Consumption
45-75 W
105 °C
Peak Operating Temperature
100°C

CPU Performance

4
Performance Cores
6
8
Performance Core Threads
12
2.6 GHz
Performance Core Base Frequency
4.0 GHz
4 GHz
Performance Core Turbo Frequency
5 GHz
4
Total Core Count
6
8
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
26x
Multiplier
40x
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
1 MB per core
8 MB shared
L3 Cache
32 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-3200, LPDDR4-4266
Memory Types
DDR5-5200
32 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
51.2 GB/s
Max Memory Bandwidth
83.2 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
1500 MHz
1600 MHz
GPU Max Dynamic Frequency
2200 MHz
384
Shader Units
128
24
Texture Units
8
8
Raster Operation Units
4
-
Execution Units
2
15 W
Power Consumption
15 W
-
Graphics Performance
0.49 TFLOPS

Miscellaneous

AMD Ryzen 3 5400U
Official Website
AMD Ryzen 5 7645HX
3.0
PCIe Version
5.0
12
PCIe Lanes
28

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