Home Comparison Intel Core i7 8559U vs Intel Core i5 1235U

Intel Core i7 8559U vs Intel Core i5 1235U

Intel Core i7 8559U
VS
Intel Core i5 1235U
Intel Core i7 8559U
Intel Core i5 1235U
We compared two laptop CPUs: Intel Core i7 8559U with 4 cores 2.7GHz and Intel Core i5 1235U with 10 cores 1.3GHz . 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 1.3GHz)
Intel Core i5 1235U 's Advantages
Released 3 years and 10 months late
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 28W)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i7 8559U
1416
Intel Core i5 1235U +49%
2123
Geekbench 6 Multi Core
Intel Core i7 8559U
4869
Intel Core i5 1235U +36%
6631
Blender
Intel Core i7 8559U
69
Intel Core i5 1235U +97%
136
Intel Core i7 8559U
VS
Intel Core i5 1235U

General Parameters

Apr 2018
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Kaby Lake-R
Core Architecture
Alder Lake-U
-
Processor Number
i5-1235U
Intel BGA 1356
Socket
BGA-1744
Iris Pro Plus
Integrated Graphics
Iris Xe Graphics (80EU)
Core i7 (Kaby Lake-U Refresh)
Generation
-

Package

14 nm
Manufacturing Process
10 nm
28 W
Power Consumption
15 W
72 °C
Peak Operating Temperature
100 °C
Intel
Foundry
-
123 mm²
Die Size
-

CPU Performance

-
Performance Cores
2
2.7 GHz
Performance Core Base Frequency
1.3 GHz
4.5 GHz
Performance Core Turbo Frequency
4.4 GHz
-
Efficiency Cores
8
4
Total Core Count
10
8
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
27.0
Multiplier
13x
64 KB per core
L1 Cache
80 K per core
256 KB per core
L2 Cache
1280 K per core
8 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR4-2400, LPDDR3-2133
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
32 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
76.8 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
1200 MHz
-
Shader Units
640
-
Texture Units
40
-
Raster Operation Units
20
-
Execution Units
80
-
Power Consumption
15 W
-
Graphics Performance
1.41 TFLOPS

Miscellaneous

Intel Core i7 8559U
Official Website
Intel Core i5 1235U
-
PCIe Version
4.0
-
PCIe Lanes
20

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