Intel Core i5 1240U vs Intel Core i7 1280P

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Intel Core i5 1240U

Intel Core i7 1280P

We compared two laptop CPUs: Intel Core i5 1240U with 10 cores 1.1GHz and Intel Core i7 1280P with 14 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 1240U 's Advantages

Lower TDP (9W vs 28W)

Intel Core i7 1280P 's Advantages

Better graphics card performance

Higher specification of memory (5200 vs 5200)

Higher base frequency (1.8GHz vs 1.1GHz)

Larger L3 cache size (24MB vs 12MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i5 1240U +2%

2213

Intel Core i7 1280P

2168

Geekbench 6 Multi Core

Intel Core i5 1240U

7583

Intel Core i7 1280P +39%

10563

Geekbench 5 Single Core

Intel Core i5 1240U

1639

Intel Core i7 1280P +5%

1737

Geekbench 5 Multi Core

Intel Core i5 1240U

6388

Intel Core i7 1280P +61%

10341

Passmark CPU Single Core

Intel Core i5 1240U

3223

Intel Core i7 1280P +2%

3302

Passmark CPU Multi Core

Intel Core i5 1240U

14269

Intel Core i7 1280P +42%

20334

Intel Core i5 1240U

VS

Intel Core i7 1280P

General Parameters

Feb 2022

Release Date

Feb 2022

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake-U

Core Architecture

Alder Lake-P

i5-1240U

Processor Number

i7-1280P

BGA-1781

Socket

BGA-1744

Iris Xe Graphics G7 (80EU)

Integrated Graphics

Iris Xe Graphics (96EU)

Package

10 nm

Manufacturing Process

10 nm

9 W

Power Consumption

20-28 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

2

Performance Cores

6

1.1 GHz

Performance Core Base Frequency

1.8 GHz

4.4 GHz

Performance Core Turbo Frequency

4.8 GHz

8

Efficiency Cores

8

10

Total Core Count

14

12

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

11x

Multiplier

18x

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

24 MB shared

No

Unlocked Multiplier

No

Memory Parameters

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

900 MHz

GPU Max Dynamic Frequency

1450 MHz

640

Shader Units

768

40

Texture Units

48

20

Raster Operation Units

24

80

Execution Units

96

15 W

Power Consumption

15 W

1.41 TFLOPS

Graphics Performance

1.69 TFLOPS

Miscellaneous

Intel Core i5 1240U

Official Website

Intel Core i7 1280P

4.0

PCIe Version

4.0

14

PCIe Lanes

20

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