Intel Core i3 1005G1 vs Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core i3 1005G1 with 2 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 i3 1005G1 's Advantages
Lower TDP (15W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 5 years and 5 months late
Higher specification of memory (6400 vs 3733)
Larger memory bandwidth (102.4GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.4GHz vs 1.2GHz)
Larger L3 cache size (30MB vs 4MB)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i3 1005G1
1099
Intel Core Ultra 7 255HX
+84%
2030
Cinebench R23 Multi Core
Intel Core i3 1005G1
2442
Intel Core Ultra 7 255HX
+948%
25611
Geekbench 6 Single Core
Intel Core i3 1005G1
603
Intel Core Ultra 7 255HX
+414%
3102
Geekbench 6 Multi Core
Intel Core i3 1005G1
1029
Intel Core Ultra 7 255HX
+1443%
15879
General Parameters
Aug 2019
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Ice Lake
Core Architecture
Arrow Lake
i3-1005G1
Processor Number
255HX
BGA-1526
Socket
FCBGA-2114
UHD Graphics G1
Integrated Graphics
Arc Graphics (4-Cores)
-
Generation
Ultra 7 (Arrow Lake)
Package
10 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
2
Performance Cores
8
4
Performance Core Threads
8
1.2 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
2
Total Core Count
20
4
Total Thread Count
20
-
Bus Frequency
100 MHz
12x
Multiplier
24
96 K per core
L1 Cache
112 K per core
512 K per core
L2 Cache
2 MB per core
4 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR4-3200, LPDDR4-3733
Memory Types
DDR5-6400
64 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
51.2 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
300 MHz
900 MHz
GPU Max Dynamic Frequency
1850 MHz
256
Shader Units
512
32
Texture Units
32
4
Raster Operation Units
16
-
Execution Units
64
15 W
Power Consumption
14
5120x3200 - 60 Hz
Max Resolution
-
-
Graphics Performance
1.9 TFLOPS
Miscellaneous
3.0
PCIe Version
5.0
-
PCIe Lanes
24
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-
