Intel Core i7 1255U vs Intel Core 5 315
CPU · Specs Compare
General Parameters
Release Date
Feb 2022
Apr 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
—
Core Architecture
Alder Lake
Wildcat Lake
Processor Number
i7-1255U
—
Integrated Graphics
Iris Xe Graphics (96EU)
Intel Xe3 Graphics (2 Xe)
Generation
—
Core 5 (Wildcat Lake)
Package
Manufacturing Process
10 nm
3 nm
Socket
BGA-1744
Intel BGA 1516
Power Consumption
12-15 W
15 W
Max Turbo Power Consumption
55 W
—
Peak Operating Temperature
100°C
100°C
Foundry
—
Intel
Package
—
FC-BGA
CPU Performance
Performance Cores
2
2
Performance Core Threads
4
4
Performance Core Base Frequency
1.7 GHz
1.5 GHz
Performance Core Turbo Frequency
4.7 GHz
4.4 GHz
Efficiency Cores
8
4
Efficiency Core Threads
8
4
Efficiency Core Base Frequency
1.2 GHz
1400 MHz
Efficiency Core Turbo Frequency
3.5 GHz
3.3 GHz
Total Core Count
10
6
Total Thread Count
12
6
Bus Frequency
100 MHz
100 MHz
Multiplier
17x
15.0
L1 Cache
80 K per core
192 KB
L2 Cache
1280 K per core
2.5 MB
L3 Cache
12 MB shared
6 MB shared
Unlocked Multiplier
No
No
SMP
—
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
DDR5-6400, LPDDR5-6400X-7467
Max Memory Size
64 GB
64 GB
Max Memory Channels
2
1
Max Memory Bandwidth
76.8 GB/s
59.7 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1250 MHz
—
Shader Units
768
—
Texture Units
48
—
Raster Operation Units
24
—
Execution Units
96
—
Power Consumption
15 W
—
Miscellaneous
PCIe Version
4.0
4
PCIe Lanes
20
6
AI Accelerator
Theoretical performance
—
15 TOPS
Benchmark
Cinebench R23
1,701
—
Cinebench R23
8,233
—
Geekbench 6
2,248
—
Geekbench 5
1,628
—
Geekbench 6
7,162
—
Geekbench 5
7,372
—
Blender
125
—
Passmark CPU
3,308
—
Passmark CPU
13,792
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.