Intel Core i7 1355U vs Intel Core i7 1255U

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We compared two laptop CPUs: Intel Core i7 1355U with 10 cores 1.7GHz and Intel Core i7 1255U with 10 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 1355U's Advantages

Released 11 months late

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

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1355U +8%

1800

Intel Core i7 1255U

1656

Cinebench R23 Multi Core

Intel Core i7 1355U +11%

9362

Intel Core i7 1255U

8369

Geekbench 6 Single Core

Intel Core i7 1355U +5%

2379

Intel Core i7 1255U

2248

Geekbench 6 Multi Core

Intel Core i7 1355U +10%

7945

Intel Core i7 1255U

7162

Blender

Intel Core i7 1355U +46%

113

Intel Core i7 1255U

77

Geekbench 5 Single Core

Intel Core i7 1355U +4%

1709

Intel Core i7 1255U

1628

Geekbench 5 Multi Core

Intel Core i7 1355U +13%

8398

Intel Core i7 1255U

7372

Passmark CPU Single Core

Intel Core i7 1355U +8%

3594

Intel Core i7 1255U

3308

Passmark CPU Multi Core

Intel Core i7 1355U +10%

15257

Intel Core i7 1255U

13792

Intel Core i7 1355U

VS

Intel Core i7 1255U

General Parameters

Jan 2023

Release Date

Feb 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Raptor Lake

Core Architecture

Alder Lake

i7-1355U

Processor Number

i7-1255U

BGA-1744

Socket

BGA-1744

Iris Xe Graphics (96EU)

Integrated Graphics

Iris Xe Graphics (96EU)

Package

10 nm

Manufacturing Process

10 nm

BGA-1744

Socket

BGA-1744

12-15 W

Power Consumption

12-15 W

55W

Max Turbo Power Consumption

55W

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

1.7 GHz

5 GHz

Performance Core Turbo Frequency

4.7 GHz

8

Efficiency Cores

8

Efficiency Core Threads

8

1.2 GHz

Efficiency Core Base Frequency

1.2 GHz

3.7 GHz

Efficiency Core Turbo Frequency

3.5 GHz

10

Total Core Count

10

12

Total Thread Count

12

100MHz

Bus Frequency

100MHz

17x

Multiplier

17x

80K per core

L1 Cache

80K per core

1280K per core

L2 Cache

1280K per core

12MB shared

L3 Cache

12MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5200, DDR4-3200, LPDDR5-6400, LPDDR5x-6400, LPDDR4x-4267

Memory Types

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267

96GB

Max Memory Size

64GB

2

Max Memory Channels

2

89.6 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

1300 MHz

GPU Max Dynamic Frequency

1250 MHz

768

Shader Units

768

48

Texture Units

48

24

Raster Operation Units

24

96

Execution Units

96

15 W

Power Consumption

15 W

1.69 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

Intel Core i7 1355U

Official Website

Intel Core i7 1255U

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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