Intel Core i3 1305U vs Intel Core i7 1255U
CPU Specs Compare
General Parameters
Release Date
Jan 2023
Feb 2022
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Raptor Lake
Alder Lake
Processor Number
i3-1305U
i7-1255U
Integrated Graphics
UHD Graphics (64EU)
Iris Xe Graphics (96EU)
Package
Manufacturing Process
10 nm
10 nm
Socket
BGA-1744
BGA-1744
Power Consumption
12-15 W
12-15 W
Max Turbo Power Consumption
55 W
55 W
Peak Operating Temperature
100°C
100°C
CPU Performance
Performance Cores
1
2
Performance Core Threads
2
4
Performance Core Base Frequency
1.6 GHz
1.7 GHz
Performance Core Turbo Frequency
4.5 GHz
4.7 GHz
Efficiency Cores
4
8
Efficiency Core Threads
4
8
Efficiency Core Base Frequency
1.3 GHz
1.2 GHz
Efficiency Core Turbo Frequency
3.3 GHz
3.5 GHz
Total Core Count
5
10
Total Thread Count
6
12
Bus Frequency
100 MHz
100 MHz
Multiplier
16x
17x
L1 Cache
80 K per core
80 K per core
L2 Cache
1280 K per core
1280 K 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
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
64 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
76.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1250 MHz
1250 MHz
Shader Units
512
768
Texture Units
32
48
Raster Operation Units
16
24
Execution Units
64
96
Power Consumption
45 W
15 W
📊 Benchmark
Cinebench R23
1,593
1,701
Cinebench R23
4,392
8,233
Geekbench 6
1,803
2,248
Geekbench 5
1,526
1,628
Geekbench 6
3,566
7,162
Geekbench 5
5,000
7,372
Blender
26
125
Passmark CPU
-
3,308
Passmark CPU
-
13,792