Intel Core i7 8557U vs AMD Ryzen 9 7940HS

VS

Intel Core i7 8557U

AMD Ryzen 9 7940HS

We compared two laptop CPUs: Intel Core i7 8557U with 4 cores 1.7GHz and AMD Ryzen 9 7940HS with 8 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 8557U 's Advantages

Lower TDP (15W vs 54W)

AMD Ryzen 9 7940HS 's Advantages

Released 3 years and 9 months late

Better graphics card performance

Higher specification of memory (7500 vs 2400)

Larger memory bandwidth (89.6GB/s vs 37.5GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (4.0GHz vs 1.7GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 8557U

1180

AMD Ryzen 9 7940HS +52%

1804

Cinebench R23 Multi Core

Intel Core i7 8557U

4595

AMD Ryzen 9 7940HS +244%

15820

Geekbench 6 Single Core

Intel Core i7 8557U

884

AMD Ryzen 9 7940HS +186%

2534

Geekbench 6 Multi Core

Intel Core i7 8557U

3216

AMD Ryzen 9 7940HS +299%

12852

Blender

Intel Core i7 8557U

52

AMD Ryzen 9 7940HS +450%

286

Geekbench 5 Single Core

Intel Core i7 8557U

1031

AMD Ryzen 9 7940HS +94%

2010

Geekbench 5 Multi Core

Intel Core i7 8557U

3935

AMD Ryzen 9 7940HS +214%

12376

Passmark CPU Single Core

Intel Core i7 8557U

2510

AMD Ryzen 9 7940HS +55%

3910

Passmark CPU Multi Core

Intel Core i7 8557U

7875

AMD Ryzen 9 7940HS +287%

30545

Intel Core i7 8557U

VS

AMD Ryzen 9 7940HS

General Parameters

Jul 2019

Release Date

Apr 2023

Intel

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Zen 4 (Phoenix)

i7-8557U

Processor Number

-

BGA-1528

Socket

FP8

Iris Plus Graphics 645

Integrated Graphics

Radeon 780M

Package

-

Transistor Count

25 billions

14 nm

Manufacturing Process

4 nm

15 W

Power Consumption

35-54 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

4

Performance Cores

8

Performance Core Threads

16

1.7 GHz

Performance Core Base Frequency

4.0 GHz

4.5 GHz

Performance Core Turbo Frequency

5.2 GHz

4

Total Core Count

8

Total Thread Count

16

-

Bus Frequency

100 MHz

17x

Multiplier

40x

32 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

8 MB

8 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

DDR5-5600, LPDDR5x-7500

32 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

37.5 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

800 MHz

1150 MHz

GPU Max Dynamic Frequency

2800 MHz

384

Shader Units

768

48

Texture Units

48

6

Raster Operation Units

32

48

Execution Units

12

15 W

Power Consumption

15

4096x2304 - 60 Hz

Max Resolution

7680x4320 - 60 Hz

0.81 TFLOPS

Graphics Performance

8.12 TFLOPS

AI Accelerator

-

NPU

AMD Ryzen™ AI

-

Theoretical performance

10 TOPS

Miscellaneous

Intel Core i7 8557U

Official Website

AMD Ryzen 9 7940HS

3.0

PCIe Version

4.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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