Intel Core i5 8279U vs Intel Core Ultra 7 255HX
CPU · Specs Compare
General Parameters
Release Date
May 2019
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Arrow Lake
Processor Number
i5-8279U
255HX
Integrated Graphics
Iris Plus Graphics 655
Arc Graphics (4-Cores)
Generation
—
Ultra 7 (Arrow Lake)
Package
Manufacturing Process
14 nm
3 nm
Socket
BGA-1528
FCBGA-2114
Power Consumption
28 W
45-55 W
Peak Operating Temperature
100 °C
105 °C
Max Turbo Power Consumption
—
160 W
Foundry
—
Intel
Package
—
FC-LGA18V
CPU Performance
Performance Cores
4
8
Performance Core Threads
8
8
Performance Core Base Frequency
2.4 GHz
2.4 GHz
Performance Core Turbo Frequency
4.1 GHz
5.2 GHz
Total Core Count
4
20
Total Thread Count
8
20
Bus Frequency
100 MHz
100 MHz
Multiplier
24x
24
L1 Cache
32 K per core
112 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
6 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
1.8 GHz
Efficiency Core Turbo Frequency
—
4.5 GHz
SMP
—
1
Memory Parameters
Memory Types
DDR4-2400, LPDDR3-2133
DDR5-6400
Max Memory Size
32 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
37.5 GB/s
102.4 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1150 MHz
1850 MHz
Shader Units
384
512
Texture Units
48
32
Raster Operation Units
6
16
Execution Units
48
64
Power Consumption
15 W
14
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
16
24
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
1,085
2,030
Cinebench R23
4,440
25,611
Geekbench 6
1,313
3,102
Geekbench 5
951
—
Geekbench 6
4,465
15,879
Geekbench 5
3,929
—
Blender
59
—
Passmark CPU
2,365
—
Passmark CPU
7,732
—
Cinebench 2024
—
132
Cinebench 2024
—
1,590
▲ Specs Compare
Data sourced from official specifications and benchmark tests.