Intel Core i5 8250U vs Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core i5 8250U with 4 cores 1.6GHz and Intel Core Ultra 7 255HX with 20 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 8250U 's Advantages
Lower TDP (15W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 7 years and 5 months late
Better graphics card performance
Higher specification of memory (6400 vs 2400)
Larger memory bandwidth (102.4GB/s vs 37.5GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.4GHz vs 1.6GHz)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (3nm vs 14nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 8250U
898
Intel Core Ultra 7 255HX
+126%
2030
Cinebench R23 Multi Core
Intel Core i5 8250U
3085
Intel Core Ultra 7 255HX
+730%
25611
Geekbench 6 Single Core
Intel Core i5 8250U
1191
Intel Core Ultra 7 255HX
+160%
3102
Geekbench 6 Multi Core
Intel Core i5 8250U
3252
Intel Core Ultra 7 255HX
+388%
15879
General Parameters
Aug 2017
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Kaby Lake R
Core Architecture
Arrow Lake
i5-8250U
Processor Number
255HX
BGA-1356
Socket
FCBGA-2114
UHD Graphics 620
Integrated Graphics
Arc Graphics (4-Cores)
-
Generation
Ultra 7 (Arrow Lake)
Package
14 nm
Manufacturing Process
3 nm
15 W
Power Consumption
45-55 W
-
Max Turbo Power Consumption
160 W
100 °C
Peak Operating Temperature
105 °C
-
Foundry
Intel
CPU Performance
4
Performance Cores
8
8
Performance Core Threads
8
1.6 GHz
Performance Core Base Frequency
2.4 GHz
3.4 GHz
Performance Core Turbo Frequency
5.2 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.8 GHz
-
Efficiency Core Turbo Frequency
4.5 GHz
4
Total Core Count
20
8
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
16x
Multiplier
24
64 K per core
L1 Cache
112 K per core
256 K per core
L2 Cache
2 MB per core
6 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
DDR5-6400
32 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1100 MHz
GPU Max Dynamic Frequency
1850 MHz
192
Shader Units
512
24
Texture Units
32
3
Raster Operation Units
16
24
Execution Units
64
15 W
Power Consumption
14
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
1.9 TFLOPS
Miscellaneous
3.0
PCIe Version
5.0
12
PCIe Lanes
24
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
