Intel Core i7 8665U vs AMD Ryzen 5 8640U
We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and AMD Ryzen 5 8640U with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 8665U 's Advantages
Lower TDP (15W vs 30W)
AMD Ryzen 5 8640U 's Advantages
Released 4 years and 8 months late
Better graphics card performance
Higher specification of memory (7500 vs 2400)
Larger memory bandwidth (89.6GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 1.9GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 14nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 8665U
1244
AMD Ryzen 5 8640U
+43%
1780
Cinebench R23 Multi Core
Intel Core i7 8665U
3752
AMD Ryzen 5 8640U
+200%
11267
Geekbench 6 Single Core
Intel Core i7 8665U
1484
AMD Ryzen 5 8640U
+63%
2419
Geekbench 6 Multi Core
Intel Core i7 8665U
3939
AMD Ryzen 5 8640U
+162%
10350
General Parameters
Apr 2019
Release Date
Dec 2023
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Whiskey Lake
Core Architecture
Hawk Point
i7-8665U
Processor Number
-
BGA-1528
Socket
FP7
UHD Graphics 620
Integrated Graphics
Radeon 760M
-
Generation
Ryzen 5 (Zen 4 (Hawk Point))
Package
-
Transistor Count
25 billions
14 nm
Manufacturing Process
4 nm
-
-
-
15 W
Power Consumption
15-30 W
-
-
-
100 °C
Peak Operating Temperature
100°C
-
Foundry
TSMC
-
Die Size
178 mm²
-
-
-
-
-
-
-
-
-
CPU Performance
4
Performance Cores
6
8
Performance Core Threads
12
1.9 GHz
Performance Core Base Frequency
3.5 GHz
4.8 GHz
Performance Core Turbo Frequency
4.9 GHz
-
-
-
-
-
-
-
-
-
-
-
-
4
Total Core Count
6
8
Total Thread Count
12
-
Bus Frequency
100 MHz
19x
Multiplier
35x
-
-
-
32 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
8 MB shared
L3 Cache
16 MB shared
No
Unlocked Multiplier
No
-
-
-
-
-
SMP
1
-
-
-
-
-
-
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR5-5600, LPDDR5x-7500
64 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
1500 MHz
1150 MHz
GPU Max Dynamic Frequency
2600 MHz
192
Shader Units
384
24
Texture Units
24
3
Raster Operation Units
16
24
Execution Units
6
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
4.06 TFLOPS
AI Accelerator
-
-
-
-
-
-
Miscellaneous
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
-
