Intel Core Ultra 7 255HX vs Intel Core i3 1305U
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Jan 2023
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Raptor Lake
Processor Number
255HX
i3-1305U
Integrated Graphics
Arc Graphics (4-Cores)
UHD Graphics (64EU)
Generation
Ultra 7 (Arrow Lake)
—
Package
Manufacturing Process
3 nm
10 nm
Socket
FCBGA-2114
BGA-1744
Power Consumption
45-55 W
12-15 W
Max Turbo Power Consumption
160 W
55 W
Peak Operating Temperature
105 °C
100°C
Foundry
Intel
—
Package
FC-LGA18V
—
CPU Performance
Performance Cores
8
1
Performance Core Threads
8
2
Performance Core Base Frequency
2.4 GHz
1.6 GHz
Performance Core Turbo Frequency
5.2 GHz
4.5 GHz
Efficiency Cores
12
4
Efficiency Core Threads
12
4
Efficiency Core Base Frequency
1.8 GHz
1.3 GHz
Efficiency Core Turbo Frequency
4.5 GHz
3.3 GHz
Total Core Count
20
5
Total Thread Count
20
6
Bus Frequency
100 MHz
100 MHz
Multiplier
24
16x
L1 Cache
112 K per core
80 K per core
L2 Cache
2 MB per core
1280 K per core
L3 Cache
30 MB shared
10 MB shared
Unlocked Multiplier
Yes
No
SMP
1
—
Memory Parameters
Memory Types
DDR5-6400
DDR5-5200, DDR4-3200, LPDDR5-5200, LPDDR5x-5200, LPDDR4x-4267
Max Memory Size
192 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
76.8 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1850 MHz
1250 MHz
Shader Units
512
512
Texture Units
32
32
Raster Operation Units
16
16
Execution Units
64
64
Power Consumption
14
45 W
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
24
20
Benchmark
Cinebench R23
2,030
1,593
Cinebench R23
25,611
4,392
Geekbench 6
3,102
1,803
Geekbench 6
15,879
3,566
Cinebench 2024
132
—
Cinebench 2024
1,590
—
Geekbench 5
—
1,526
Geekbench 5
—
5,000
Blender
—
26
▲ Specs Compare
Data sourced from official specifications and benchmark tests.