Intel Core i7 1255U vs Intel Core i5 1240P
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core i5 1240P with 12 cores 1.7GHz . 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
Better graphics card performance
Lower TDP (15W vs 28W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 1255U
+6%
1701
Intel Core i5 1240P
1594
Cinebench R23 Multi Core
Intel Core i7 1255U
8233
Intel Core i5 1240P
+12%
9235
Geekbench 6 Single Core
Intel Core i7 1255U
+8%
2248
Intel Core i5 1240P
2079
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
Intel Core i5 1240P
+13%
8155
Blender
Intel Core i7 1255U
+2%
125
Intel Core i5 1240P
122
Geekbench 5 Single Core
Intel Core i7 1255U
+2%
1628
Intel Core i5 1240P
1583
Geekbench 5 Multi Core
Intel Core i7 1255U
7372
Intel Core i5 1240P
+6%
7859
Passmark CPU Single Core
Intel Core i7 1255U
+1%
3308
Intel Core i5 1240P
3247
Passmark CPU Multi Core
Intel Core i7 1255U
13792
Intel Core i5 1240P
+25%
17267
General Parameters
Feb 2022
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Alder Lake-P
i7-1255U
Processor Number
i5-1240P
BGA-1744
Socket
BGA-1744
Iris Xe Graphics (96EU)
Integrated Graphics
Iris Xe Graphics (80EU)
Package
10 nm
Manufacturing Process
10 nm
12-15 W
Power Consumption
28 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C
CPU Performance
2
Performance Cores
4
4
Performance Core Threads
-
1.7 GHz
Performance Core Base Frequency
1.7 GHz
4.7 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Efficiency Cores
8
8
Efficiency Core Threads
-
1.2 GHz
Efficiency Core Base Frequency
-
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
12
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
17x
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
12 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
300 MHz
1250 MHz
GPU Max Dynamic Frequency
1300 MHz
768
Shader Units
640
48
Texture Units
40
24
Raster Operation Units
20
96
Execution Units
80
15 W
Power Consumption
15 W
1.69 TFLOPS
Graphics Performance
1.41 TFLOPS
