Home Comparison AMD Ryzen 5 8640U vs AMD Ryzen 7 6800U

AMD Ryzen 5 8640U vs AMD Ryzen 7 6800U

AMD Ryzen 5 8640U
VS
AMD Ryzen 7 6800U
AMD Ryzen 5 8640U
AMD Ryzen 7 6800U​
We compared two laptop CPUs: AMD Ryzen 5 8640U with 6 cores 3.5GHz and AMD Ryzen 7 6800U with 8 cores 2.7GHz . 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 1 years and 11 months late
Better graphics card performance
Higher specification of memory (7500 vs 6400)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (3.5GHz vs 2.7GHz)
More modern manufacturing process (4nm vs 6nm)
AMD Ryzen 7 6800U 's Advantages
Lower TDP (28W vs 30W)

Score

Benchmark

Cinebench R23 Single Core
AMD Ryzen 5 8640U +20%
1780
AMD Ryzen 7 6800U
1475
Cinebench R23 Multi Core
AMD Ryzen 5 8640U +8%
11267
AMD Ryzen 7 6800U
10400
Geekbench 6 Single Core
AMD Ryzen 5 8640U +113%
2419
AMD Ryzen 7 6800U
1134
Geekbench 6 Multi Core
AMD Ryzen 5 8640U +79%
10350
AMD Ryzen 7 6800U
5774
AMD Ryzen 5 8640U
VS
AMD Ryzen 7 6800U

General Parameters

Dec 2023
Release Date
Jan 2022
AMD
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Hawk Point
Core Architecture
Rembrandt
FP7
Socket
FP7
Radeon 760M
Integrated Graphics
Radeon 680M
Ryzen 5 (Zen 4 (Hawk Point))
Generation
-

Package

25 billions
Transistor Count
-
4 nm
Manufacturing Process
6 nm
15-30 W
Power Consumption
15-28 W
100°C
Peak Operating Temperature
95 °C
TSMC
Foundry
-
178 mm²
Die Size
-

CPU Performance

6
Performance Cores
8
12
Performance Core Threads
16
3.5 GHz
Performance Core Base Frequency
2.7 GHz
4.9 GHz
Performance Core Turbo Frequency
4.7 GHz
6
Total Core Count
8
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
27x
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
16 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5600, LPDDR5x-7500
Memory Types
DDR5-4800, LPDDR5-6400
256 GB
Max Memory Size
-
2
Max Memory Channels
4
89.6 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
-

Graphics Card Parameters

true
Integrated Graphics
true
1500 MHz
GPU Base Frequency
2000 MHz
2600 MHz
GPU Max Dynamic Frequency
2200 MHz
384
Shader Units
768
24
Texture Units
48
16
Raster Operation Units
32
6
Execution Units
12
15 W
Power Consumption
15 W
4.06 TFLOPS
Graphics Performance
3.686 TFLOPS

Miscellaneous

AMD Ryzen 5 8640U
Official Website
AMD Ryzen 7 6800U
4.0
PCIe Version
4.0
20
PCIe Lanes
20

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