Intel Core i5 8259U vs Intel Core Ultra 7 366H
CPU Specs Compare
General Parameters
Release Date
Apr 2018
Jan 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Panther Lake
Processor Number
i5-8259U
366H
Integrated Graphics
Iris Plus Graphics 655
Graphics 4 Xe3
Generation
-
Intel Core Ultra Series 3
Package
Manufacturing Process
14 nm
3 nm
Socket
BGA-1528
Custom
Power Consumption
28 W
15-25 W
Peak Operating Temperature
100 °C
100 °C
Max Turbo Power Consumption
-
80 W
CPU Performance
Performance Cores
4
4
Performance Core Threads
8
4
Performance Core Base Frequency
2.3 GHz
2.0 GHz
Performance Core Turbo Frequency
3.8 GHz
4.8 GHz
Total Core Count
4
16
Total Thread Count
8
16
Multiplier
23x
20
L1 Cache
64 K per core
192 K per core
L2 Cache
256 K per core
2560 K per core
L3 Cache
6 MB shared
18 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
-
12
Efficiency Core Threads
-
12
Efficiency Core Base Frequency
-
1.6 GHz
Efficiency Core Turbo Frequency
-
3.8 GHz
Bus Frequency
-
100 MHz
Memory Parameters
Memory Types
DDR4-2400, LPDDR3-2133
LPDDR5X-8533,DDR5-7200
Max Memory Size
32 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
37.5 GB/s
136.5 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
800 MHz
GPU Max Dynamic Frequency
1050 MHz
2500 MHz
Shader Units
384
1024
Texture Units
48
64
Raster Operation Units
6
32
Execution Units
48
4
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
7680 x 4320 @ 60Hz
Miscellaneous
AI Accelerator
Theoretical performance
-
50 TOPS
📊 Benchmark
Geekbench 6
1,220
2,760
Geekbench 6
4,337
16,088