AMD Ryzen 9 7945HX3D vs Intel Core i7 8557U

VS

AMD Ryzen 9 7945HX3D

Intel Core i7 8557U

We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz and Intel Core i7 8557U with 4 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7945HX3D 's Advantages

Released 4 years late

Higher specification of memory (5200 vs 2400)

Larger memory bandwidth (83.2GB/s vs 37.5GB/s)

Newer PCIe version (5 vs 3.0)

Higher base frequency (2.3GHz vs 1.7GHz)

Larger L3 cache size (128MB vs 8MB)

More modern manufacturing process (5nm vs 14nm)

Intel Core i7 8557U 's Advantages

Better graphics card performance

Lower TDP (15W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7945HX3D +64%

1940

Intel Core i7 8557U

1180

Cinebench R23 Multi Core

AMD Ryzen 9 7945HX3D +625%

33329

Intel Core i7 8557U

4595

Geekbench 6 Single Core

AMD Ryzen 9 7945HX3D +214%

2783

Intel Core i7 8557U

884

Geekbench 6 Multi Core

AMD Ryzen 9 7945HX3D +400%

16080

Intel Core i7 8557U

3216

Blender

AMD Ryzen 9 7945HX3D +813%

475

Intel Core i7 8557U

52

Geekbench 5 Single Core

AMD Ryzen 9 7945HX3D +107%

2138

Intel Core i7 8557U

1031

Geekbench 5 Multi Core

AMD Ryzen 9 7945HX3D +386%

19153

Intel Core i7 8557U

3935

AMD Ryzen 9 7945HX3D

VS

Intel Core i7 8557U

General Parameters

Jul 2023

Release Date

Jul 2019

AMD

Manufacturer

Intel

Laptop

Type

Laptop

-

Instruction Set

x86-64

Dragon Range

Core Architecture

Coffee Lake

-

Processor Number

i7-8557U

AMD Socket FL1

Socket

BGA-1528

Radeon 610M

Integrated Graphics

Iris Plus Graphics 645

Ryzen 9 (Zen 4 (Dragon Range))

Generation

-

Package

17.84 billions

Transistor Count

-

5 nm

Manufacturing Process

14 nm

55 W

Power Consumption

15 W

89 °C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

2x71 mm²

Die Size

-

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

CPU Performance

-

Performance Cores

4

-

Performance Core Threads

8

2.3 GHz

Performance Core Base Frequency

1.7 GHz

5.4 GHz

Performance Core Turbo Frequency

4.5 GHz

16

Total Core Count

4

32

Total Thread Count

8

100 MHz

Bus Frequency

-

23.0

Multiplier

17x

64 KB per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

256 K per core

128 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5200

Memory Types

DDR4-2400, LPDDR3-2133

64 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

37.5 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

2200 MHz

GPU Max Dynamic Frequency

1150 MHz

-

Shader Units

384

-

Texture Units

48

-

Raster Operation Units

6

2

Execution Units

48

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

0.49 TFLOPS

Graphics Performance

0.81 TFLOPS

Miscellaneous

AMD Ryzen 9 7945HX3D

Official Website

Intel Core i7 8557U

5

PCIe Version

3.0

28

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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