Intel Core i5 8257U vs Intel Core i7 8559U
We compared two laptop CPUs: Intel Core i5 8257U with 4 cores 1.4GHz and Intel Core i7 8559U with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 8257U 's Advantages
Released 1 years and 3 months late
Lower TDP (15W vs 28W)
Intel Core i7 8559U 's Advantages
Higher base frequency (2.7GHz vs 1.4GHz)
Larger L3 cache size (8MB vs 6MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 8257U
1210
Intel Core i7 8559U
+17%
1416
Geekbench 6 Multi Core
Intel Core i5 8257U
3922
Intel Core i7 8559U
+24%
4869
Blender
Intel Core i5 8257U
30
Intel Core i7 8559U
+130%
69
General Parameters
Jul 2019
Release Date
Apr 2018
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
-
Coffee Lake
Core Architecture
Kaby Lake-R
i5-8257U
Processor Number
-
BGA-1528
Socket
Intel BGA 1356
Iris Plus Graphics 645
Integrated Graphics
Iris Pro Plus
-
Generation
Core i7 (Kaby Lake-U Refresh)
Package
14 nm
Manufacturing Process
14 nm
15 W
Power Consumption
28 W
100 °C
Peak Operating Temperature
72 °C
-
Foundry
Intel
-
Die Size
123 mm²
CPU Performance
4
Performance Cores
-
8
Performance Core Threads
-
1.4 GHz
Performance Core Base Frequency
2.7 GHz
3.9 GHz
Performance Core Turbo Frequency
4.5 GHz
4
Total Core Count
4
8
Total Thread Count
8
-
Bus Frequency
100 MHz
14x
Multiplier
27.0
32 K per core
L1 Cache
64 KB per core
256 K per core
L2 Cache
256 KB per core
6 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR4-2400, LPDDR3-2133
32 GB
Max Memory Size
32 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
1200 MHz
384
Shader Units
-
48
Texture Units
-
6
Raster Operation Units
-
48
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.81 TFLOPS
Graphics Performance
-
Miscellaneous
3.0
PCIe Version
-
16
PCIe Lanes
-
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
