Home Comparison AMD Ryzen 5 8640U vs AMD Ryzen 5 3450U

AMD Ryzen 5 8640U vs AMD Ryzen 5 3450U

We compared two laptop CPUs: AMD Ryzen 5 8640U with 6 cores 3.5GHz and AMD Ryzen 5 3450U with 4 cores 2.1GHz . 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 3 years and 11 months late
Better graphics card performance
Higher specification of memory (7500 vs 2400)
Larger memory bandwidth (89.6GB/s vs 38.4GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.1GHz)
Larger L3 cache size (16MB vs 4MB)
More modern manufacturing process (4nm vs 12nm)
Lower TDP (30W vs 35W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 8640U +100%
1780
AMD Ryzen 5 3450U
886
Cinebench R23 Multi Core
AMD Ryzen 5 8640U +254%
11267
AMD Ryzen 5 3450U
3181
Geekbench 6 Single Core
AMD Ryzen 5 8640U +151%
2419
AMD Ryzen 5 3450U
961
Geekbench 6 Multi Core
AMD Ryzen 5 8640U +330%
10350
AMD Ryzen 5 3450U
2403
VS

General Parameters

Dec 2023
Release Date
Jan 2020
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Hawk Point
Core Architecture
Zen+
FP7
Socket
FP5
Radeon 760M
Integrated Graphics
Radeon Vega 8
Ryzen 5 (Zen 4 (Hawk Point))
Generation
-

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
12 nm
15-30 W
Power Consumption
12-35 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
2.1 GHz
4.9 GHz
Performance Core Turbo Frequency
3.5 GHz
6
Total Core Count
4
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
21x
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
4 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR4-2400
256 GB
Max Memory Size
32 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
38.4 GB/s
No
ECC Memory Support
-

Graphics Card Parameters

true
Integrated Graphics
true
1500 MHz
GPU Base Frequency
300 MHz
2600 MHz
GPU Max Dynamic Frequency
2400 MHz
384
Shader Units
512
24
Texture Units
32
16
Raster Operation Units
8
6
Execution Units
8
15 W
Power Consumption
65 W
-
Max Resolution
3840x2160 - 60 Hz
4.06 TFLOPS
Graphics Performance
1.13 TFLOPS

Miscellaneous

4.0
PCIe Version
3.0
20
PCIe Lanes
12

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