Home Comparison Intel Core 3 100U vs Intel Core Ultra 7 255HX

Intel Core 3 100U vs Intel Core Ultra 7 255HX

Intel Core 3 100U
VS
Intel Core Ultra 7 255HX
Intel Core 3 100U
Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core 3 100U with 6 cores 1.2GHz 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 3 100U 's Advantages
Lower TDP (15W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 1 years late
Higher specification of memory (6400 vs 6400)
Larger memory bandwidth (102.4GB/s vs 83.2GB/s)
Newer PCIe version (5 vs 4.0)
Higher base frequency (2.4GHz vs 1.2GHz)
Larger L3 cache size (24MB vs 10MB)
More modern manufacturing process (3nm vs 10nm)

Score

Intel Core 3 100U
VS
Intel Core Ultra 7 255HX

General Parameters

Jan 2024
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
-
Raptor Lake Refresh
Core Architecture
Arrow Lake
100U
Processor Number
-
BGA-1744
Socket
Intel Socket 1851
Iris Xe Graphics (64EU)
Integrated Graphics
Arc Xe-LPG
Core 3 (Raptor Lake-U)
Generation
Ultra 7 (Arrow Lake)

Package

10 nm
Manufacturing Process
3 nm
12-15 W
Power Consumption
17-55 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C
Intel
Foundry
Intel

CPU Performance

2
Performance Cores
8
4
Performance Core Threads
8
1.2 GHz
Performance Core Base Frequency
2.4 GHz
4.7 GHz
Performance Core Turbo Frequency
5.2 GHz
4
Efficiency Cores
12
4
Efficiency Core Threads
12
0.9 GHz
Efficiency Core Base Frequency
1.8 GHz
3.3 GHz
Efficiency Core Turbo Frequency
4.5 GHz
6
Total Core Count
20
8
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
12x
Multiplier
24
80 K per core
L1 Cache
112 KB per core
1280 K per core
L2 Cache
23 MB
10 MB shared
L3 Cache
24 MB shared
No
Unlocked Multiplier
No
1
SMP
1

Memory Parameters

DDR5-5200, DDR4-3200, LPDDR5-6400, LPDDR5x-6400, LPDDR4x-4267
Memory Types
DDR5-6400
96 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
83.2 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
-
1250 MHz
GPU Max Dynamic Frequency
1900 MHz
512
Shader Units
-
32
Texture Units
-
16
Raster Operation Units
-
64
Execution Units
64
15 W
Power Consumption
-
7680x4320 - 60 Hz
Max Resolution
-
1.21 TFLOPS
Graphics Performance
-

Miscellaneous

Intel Core 3 100U
Official Website
4.0
PCIe Version
5
20
PCIe Lanes

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