Intel Core i3 1305U vs Intel Core Ultra 7 255U
CPU Specs Compare
General Parameters
Release Date
Jan 2023
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Raptor Lake
Arrow Lake
Processor Number
i3-1305U
255U
Integrated Graphics
UHD Graphics (64EU)
Arc Graphics (4-Cores)
Package
Manufacturing Process
10 nm
3 nm
Socket
BGA-1744
FCBGA-2049
Power Consumption
12-15 W
12-15 W
Max Turbo Power Consumption
55 W
57 W
Peak Operating Temperature
100°C
110 °C
CPU Performance
Performance Cores
1
2
Performance Core Threads
2
4
Performance Core Base Frequency
1.6 GHz
2.0 GHz
Performance Core Turbo Frequency
4.5 GHz
5.2 GHz
Efficiency Cores
4
10
Efficiency Core Threads
4
10
Efficiency Core Base Frequency
1.3 GHz
1.7 GHz
Efficiency Core Turbo Frequency
3.3 GHz
4.2 GHz
Total Core Count
5
12
Total Thread Count
6
14
Bus Frequency
100 MHz
100 MHz
Multiplier
16x
20
L1 Cache
80 K per core
112 K per core
L2 Cache
1280 K per core
2 MB per core
L3 Cache
10 MB shared
12 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR5-5200, DDR4-3200, LPDDR5-5200, LPDDR5x-5200, LPDDR4x-4267
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
64 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
-
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1250 MHz
2100 MHz
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
-
Power Consumption
45 W
-
📊 Benchmark
Cinebench R23
1,593
1,803
Cinebench R23
4,392
11,888
Geekbench 6
1,803
2,582
Geekbench 5
1,526
-
Geekbench 6
3,566
10,941
Geekbench 5
5,000
-
Blender
26
-
Cinebench 2024
-
101
Cinebench 2024
-
588