Intel Core i7 1355U vs AMD Ryzen 9 7940HX

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We compared two laptop CPUs: Intel Core i7 1355U with 10 cores 1.7GHz and AMD Ryzen 9 7940HX with 16 cores 2.4GHz . 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

Better graphics card performance

Higher specification of memory (LPDDR5-6400 vs DDR5-5200)

Larger memory bandwidth (89.6GB/s vs 83.2GB/s)

Lower TDP (12W vs 55W)

AMD Ryzen 9 7940HX's Advantages

Released 1 years late

Newer PCIe version (5.0 vs 4.0)

Higher base frequency (2.4GHz vs 1.7GHz)

Larger L3 cache size (64MB vs 12MB)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1355U

1800

AMD Ryzen 9 7940HX +4%

1882

Cinebench R23 Multi Core

Intel Core i7 1355U

9362

AMD Ryzen 9 7940HX +255%

33284

Geekbench 6 Single Core

Intel Core i7 1355U

2379

AMD Ryzen 9 7940HX +12%

2688

Geekbench 6 Multi Core

Intel Core i7 1355U

7945

AMD Ryzen 9 7940HX +97%

15655

Intel Core i7 1355U

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AMD Ryzen 9 7940HX

General Parameters

Jan 2023

Release Date

Jan 2024

Intel

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Raptor Lake

Core Architecture

Zen 4 (Dragon Range)

i7-1355U

Processor Number

-

BGA-1744

Socket

AMD Socket FL1

Iris Xe Graphics (96EU)

Integrated Graphics

Radeon 610M

Package

-

Transistor Count

13.14 billions

10 nm

Manufacturing Process

5 nm

BGA-1744

Socket

AMD Socket FL1

12-15 W

Power Consumption

55 W

55W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100°C

CPU Performance

2

Performance Cores

16

4

Performance Core Threads

32

1.7 GHz

Performance Core Base Frequency

2.4 GHz

5 GHz

Performance Core Turbo Frequency

5.2 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.2 GHz

Efficiency Core Base Frequency

-

3.7 GHz

Efficiency Core Turbo Frequency

-

10

Total Core Count

16

12

Total Thread Count

32

100MHz

Bus Frequency

100MHz

17x

Multiplier

24

80K per core

L1 Cache

64K per core

1280K per core

L2 Cache

1MB per core

12MB shared

L3 Cache

64MB

No

Unlocked Multiplier

Yes

Memory Parameters

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

Memory Types

DDR5-5200

96GB

Max Memory Size

64GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

-

Graphics Card Parameters

True

Integrated Graphics

True

300 MHz

GPU Base Frequency

400 MHz

1300 MHz

GPU Max Dynamic Frequency

2200 MHz

768

Shader Units

128

48

Texture Units

8

24

Raster Operation Units

4

96

Execution Units

2

15 W

Power Consumption

15 W

1.69 TFLOPS

Graphics Performance

0.563 TFLOPS

Miscellaneous

Intel Core i7 1355U

Official Website

4.0

PCIe Version

5.0

20

PCIe Lanes

28

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