Intel Core i7 1255U vs Intel Celeron 7305
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Celeron 7305 with 5 cores 1.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 1255U 's Advantages
Higher base frequency (1.7GHz vs 1.1GHz)
Larger L3 cache size (12MB vs 8MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 1255U
+311%
2248
Intel Celeron 7305
546
Geekbench 6 Multi Core
Intel Core i7 1255U
+473%
7162
Intel Celeron 7305
1248
Geekbench 5 Single Core
Intel Core i7 1255U
+282%
1628
Intel Celeron 7305
426
Geekbench 5 Multi Core
Intel Core i7 1255U
+494%
7372
Intel Celeron 7305
1240
General Parameters
Feb 2022
Release Date
Jan 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Alder Lake
i7-1255U
Processor Number
7305
BGA-1744
Socket
BGA-1744
Iris Xe Graphics (96EU)
Integrated Graphics
UHD Graphics (48 EU)
Package
10 nm
Manufacturing Process
10 nm
12-15 W
Power Consumption
12-15 W
55 W
Max Turbo Power Consumption
55 W
100°C
Peak Operating Temperature
100°C
CPU Performance
2
Performance Cores
1
4
Performance Core Threads
1
1.7 GHz
Performance Core Base Frequency
1.1 GHz
4.7 GHz
Performance Core Turbo Frequency
-
8
Efficiency Cores
4
8
Efficiency Core Threads
4
1.2 GHz
Efficiency Core Base Frequency
0.9 GHz
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
5
12
Total Thread Count
5
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
11x
80 K per core
L1 Cache
80 K per core
1280 K per core
L2 Cache
1280 K per core
12 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1250 MHz
GPU Max Dynamic Frequency
1100 MHz
768
Shader Units
-
48
Texture Units
-
24
Raster Operation Units
-
96
Execution Units
-
15 W
Power Consumption
-
1.69 TFLOPS
Graphics Performance
-
