Intel Core i5 8259U vs Intel Core i7 8665U
We compared two laptop CPUs: Intel Core i5 8259U with 4 cores 2.3GHz and Intel Core i7 8665U with 4 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 8259U Advantages
Better graphics card performance
Higher base frequency (2.3GHz vs 1.9GHz)
Intel Core i7 8665U Advantages
Released 1 years late
Larger L3 cache size (8MB vs 6MB)
Lower TDP (15W vs 28W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 8259U
899
Intel Core i7 8665U
+38%
1244
Cinebench R23 Multi Core
Intel Core i5 8259U
3564
Intel Core i7 8665U
+5%
3752
Geekbench 6 Single Core
Intel Core i5 8259U
1220
Intel Core i7 8665U
+21%
1484
Geekbench 6 Multi Core
Intel Core i5 8259U
+10%
4337
Intel Core i7 8665U
3939
Blender
Intel Core i5 8259U
+20%
65
Intel Core i7 8665U
54
Geekbench 5 Single Core
Intel Core i5 8259U
918
Intel Core i7 8665U
+15%
1056
Geekbench 5 Multi Core
Intel Core i5 8259U
+29%
3945
Intel Core i7 8665U
3056
Passmark CPU Single Core
Intel Core i5 8259U
+2%
2239
Intel Core i7 8665U
2192
Passmark CPU Multi Core
Intel Core i5 8259U
+28%
8002
Intel Core i7 8665U
6232
General Parameters
Apr 2018
Release Date
Apr 2019
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Whiskey Lake
i5-8259U
Processor Number
i7-8665U
BGA-1528
Socket
BGA-1528
Iris Plus Graphics 655
Integrated Graphics
UHD Graphics 620
Package
14 nm
Manufacturing Process
14 nm
28 W
Power Consumption
15 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
4
Performance Cores
4
8
Performance Core Threads
8
2.3 GHz
Performance Core Base Frequency
1.9 GHz
3.8 GHz
Performance Core Turbo Frequency
4.8 GHz
4
Total Core Count
4
8
Total Thread Count
8
23x
Multiplier
19x
64 K per core
L1 Cache
32 K per core
256 K per core
L2 Cache
256 K per core
6 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR4-2400, LPDDR3-2133
32 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
37.5 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1050 MHz
GPU Max Dynamic Frequency
1150 MHz
384
Shader Units
192
48
Texture Units
24
6
Raster Operation Units
3
48
Execution Units
24
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
0.81 TFLOPS
Graphics Performance
0.38 TFLOPS
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
