Intel Core i7 1255U vs Intel Core i3 1215U
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core i3 1215U with 6 cores 1.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 1255U Advantages
Better graphics card performance
Higher base frequency (1.7GHz vs 1.2GHz)
Larger L3 cache size (12MB vs 10MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 1255U
+7%
1701
Intel Core i3 1215U
1581
Cinebench R23 Multi Core
Intel Core i7 1255U
+42%
8233
Intel Core i3 1215U
5768
Geekbench 6 Single Core
Intel Core i7 1255U
+37%
2248
Intel Core i3 1215U
1640
Geekbench 6 Multi Core
Intel Core i7 1255U
+89%
7162
Intel Core i3 1215U
3776
Blender
Intel Core i7 1255U
+62%
125
Intel Core i3 1215U
77
Geekbench 5 Single Core
Intel Core i7 1255U
+3%
1628
Intel Core i3 1215U
1572
Geekbench 5 Multi Core
Intel Core i7 1255U
+23%
7372
Intel Core i3 1215U
5963
Passmark CPU Single Core
Intel Core i7 1255U
3308
Intel Core i3 1215U
+3%
3408
Passmark CPU Multi Core
Intel Core i7 1255U
+21%
13792
Intel Core i3 1215U
11350
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-U
i7-1255U
Processor Number
i3-1215U
BGA-1744
Socket
BGA-1744
Iris Xe Graphics (96EU)
Integrated Graphics
UHD Graphics (64EU)
Package
10 nm
Manufacturing Process
10 nm
12-15 W
Power Consumption
15 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C
CPU Performance
2
Performance Cores
2
4
Performance Core Threads
-
1.7 GHz
Performance Core Base Frequency
1.2 GHz
4.7 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Efficiency Cores
4
8
Efficiency Core Threads
-
1.2 GHz
Efficiency Core Base Frequency
-
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
6
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
12x
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
10 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
1100 MHz
768
Shader Units
512
48
Texture Units
32
24
Raster Operation Units
16
96
Execution Units
64
15 W
Power Consumption
45 W
1.69 TFLOPS
Graphics Performance
1.43 TFLOPS
