Intel Core i7 1255U vs Intel Core i3 1315U

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We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core i3 1315U 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 's Advantages

Better graphics card performance

Higher base frequency (1.7GHz vs 1.2GHz)

Larger L3 cache size (12MB vs 10MB)

Lower TDP (12W vs 15W)

Intel Core i3 1315U 's Advantages

Released 11 months late

Higher specification of memory (LPDDR5x-6400 vs LPDDR5-5200)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1255U

1669

Intel Core i3 1315U

1665

Cinebench R23 Multi Core

Intel Core i7 1255U +34%

8335

Intel Core i3 1315U

6206

Geekbench 6 Single Core

Intel Core i7 1255U +9%

2248

Intel Core i3 1315U

2056

Geekbench 6 Multi Core

Intel Core i7 1255U +18%

7162

Intel Core i3 1315U

6031

Blender

Intel Core i7 1255U +8%

77

Intel Core i3 1315U

71

Geekbench 5 Single Core

Intel Core i7 1255U

1628

Intel Core i3 1315U

1623

Geekbench 5 Multi Core

Intel Core i7 1255U +19%

7372

Intel Core i3 1315U

6153

Passmark CPU Single Core

Intel Core i7 1255U +4%

3308

Intel Core i3 1315U

3170

Passmark CPU Multi Core

Intel Core i7 1255U +10%

13792

Intel Core i3 1315U

12513

Intel Core i7 1255U

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Intel Core i3 1315U

General Parameters

Feb 2022

Release Date

Jan 2023

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Raptor Lake

i7-1255U

Processor Number

i3-1315U

BGA-1744

Socket

BGA-1744

Iris Xe Graphics (96EU)

Integrated Graphics

UHD Graphics (64EU)

Package

10 nm

Manufacturing Process

10 nm

BGA-1744

Socket

BGA-1744

12-15 W

Power Consumption

15 W

55 W

Max Turbo Power Consumption

55 W

100°C

Peak Operating Temperature

100°C

CPU Performance

2

Performance Cores

2

4

Performance Core Threads

4

1.7 GHz

Performance Core Base Frequency

1.2 GHz

4.7 GHz

Performance Core Turbo Frequency

4.5 GHz

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

3.3 GHz

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

DDR5-5200, DDR4-3200, LPDDR5x-6400, LPDDR5-6400, 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

1250 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

Miscellaneous

Intel Core i7 1255U

Official Website

Intel Core i3 1315U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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