Intel Core i7 8559U vs Intel Core i7 8665U
We compared two laptop CPUs: Intel Core i7 8559U with 4 cores 2.7GHz 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 i7 8559U 's Advantages
Higher base frequency (2.7GHz vs 1.9GHz)
Intel Core i7 8665U 's Advantages
Released 1 years late
Lower TDP (15W vs 28W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 8559U
1416
Intel Core i7 8665U
+4%
1484
Geekbench 6 Multi Core
Intel Core i7 8559U
+23%
4869
Intel Core i7 8665U
3939
Blender
Intel Core i7 8559U
+27%
69
Intel Core i7 8665U
54
General Parameters
Apr 2018
Release Date
Apr 2019
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Kaby Lake-R
Core Architecture
Whiskey Lake
-
Processor Number
i7-8665U
Intel BGA 1356
Socket
BGA-1528
Iris Pro Plus
Integrated Graphics
UHD Graphics 620
Core i7 (Kaby Lake-U Refresh)
Generation
-
Package
14 nm
Manufacturing Process
14 nm
28 W
Power Consumption
15 W
72 °C
Peak Operating Temperature
100 °C
Intel
Foundry
-
123 mm²
Die Size
-
CPU Performance
-
Performance Cores
4
-
Performance Core Threads
8
2.7 GHz
Performance Core Base Frequency
1.9 GHz
4.5 GHz
Performance Core Turbo Frequency
4.8 GHz
4
Total Core Count
4
8
Total Thread Count
8
100 MHz
Bus Frequency
-
27.0
Multiplier
19x
64 KB per core
L1 Cache
32 K per core
256 KB per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
1
SMP
-
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
1200 MHz
GPU Max Dynamic Frequency
1150 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS
Miscellaneous
-
PCIe Version
3.0
-
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
