Home Comparison AMD Ryzen 5 8640U vs AMD Ryzen 3 5400U

AMD Ryzen 5 8640U vs AMD Ryzen 3 5400U

AMD Ryzen 5 8640U
VS
AMD Ryzen 3 5400U
AMD Ryzen 5 8640U
AMD Ryzen 3 5400U
We compared two laptop CPUs: AMD Ryzen 5 8640U with 6 cores 3.5GHz and AMD Ryzen 3 5400U with 4 cores 2.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8640U 's Advantages
Released 2 years and 11 months late
Higher specification of memory (7500 vs 4266)
Larger memory bandwidth (89.6GB/s vs 51.2GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.6GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 7nm)
AMD Ryzen 3 5400U 's Advantages
Lower TDP (25W vs 30W)

Score

Benchmark

Geekbench 6 Single Core
AMD Ryzen 5 8640U +47%
2419
AMD Ryzen 3 5400U
1639
Geekbench 6 Multi Core
AMD Ryzen 5 8640U +130%
10350
AMD Ryzen 3 5400U
4483
AMD Ryzen 5 8640U
VS
AMD Ryzen 3 5400U

General Parameters

Dec 2023
Release Date
Jan 2021
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Hawk Point
Core Architecture
Cezanne
FP7
Socket
FP6
Radeon 760M
Integrated Graphics
Radeon RX Vega 6
Ryzen 5 (Zen 4 (Hawk Point))
Generation
-

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
7 nm
15-30 W
Power Consumption
10-25 W
100°C
Peak Operating Temperature
105 °C
TSMC
Foundry
-
178 mm²
Die Size
-

CPU Performance

6
Performance Cores
4
12
Performance Core Threads
8
3.5 GHz
Performance Core Base Frequency
2.6 GHz
4.9 GHz
Performance Core Turbo Frequency
4 GHz
6
Total Core Count
4
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
26x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
512 K per core
16 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR4-3200, LPDDR4-4266
256 GB
Max Memory Size
32 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
51.2 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
1500 MHz
GPU Base Frequency
-
2600 MHz
GPU Max Dynamic Frequency
1600 MHz
384
Shader Units
384
24
Texture Units
24
16
Raster Operation Units
8
6
Execution Units
-
15 W
Power Consumption
15 W
4.06 TFLOPS
Graphics Performance
-

Miscellaneous

AMD Ryzen 5 8640U
Official Website
AMD Ryzen 3 5400U
4.0
PCIe Version
3.0
20
PCIe Lanes
12

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