AMD Ryzen 9 7845HX vs Intel Core i5 8257U

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We compared two laptop CPUs: AMD Ryzen 9 7845HX with 12 cores 3.0GHz and Intel Core i5 8257U with 4 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7845HX 's Advantages

Released 3 years and 6 months late

Higher specification of memory (DDR5-5200 vs DDR4-2400)

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

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (3.0GHz vs 1.4GHz)

Larger L3 cache size (64MB vs 6MB)

Intel Core i5 8257U 's Advantages

Better graphics card performance

Lower TDP (15W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7845HX +89%

1886

Intel Core i5 8257U

996

Cinebench R23 Multi Core

AMD Ryzen 9 7845HX +565%

26842

Intel Core i5 8257U

4031

Geekbench 6 Single Core

AMD Ryzen 9 7845HX +114%

2600

Intel Core i5 8257U

1210

Geekbench 6 Multi Core

AMD Ryzen 9 7845HX +227%

12851

Intel Core i5 8257U

3922

Blender

AMD Ryzen 9 7845HX +492%

379

Intel Core i5 8257U

64

Geekbench 5 Single Core

AMD Ryzen 9 7845HX +124%

2052

Intel Core i5 8257U

916

Geekbench 5 Multi Core

AMD Ryzen 9 7845HX +336%

16693

Intel Core i5 8257U

3820

AMD Ryzen 9 7845HX

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Intel Core i5 8257U

General Parameters

Jan 2023

Release Date

Jul 2019

AMD

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Coffee Lake

-

Processor Number

i5-8257U

FL1

Socket

BGA-1528

Radeon 610M

Integrated Graphics

Iris Plus Graphics 645

Package

5 nm

Manufacturing Process

14 nm

FL1

Socket

BGA-1528

45-75 W

Power Consumption

15 W

100°C

Peak Operating Temperature

100 °C

CPU Performance

12

Performance Cores

4

24

Performance Core Threads

8

3.0 GHz

Performance Core Base Frequency

1.4 GHz

5.2 GHz

Performance Core Turbo Frequency

3.9 GHz

12

Total Core Count

4

24

Total Thread Count

8

100 MHz

Bus Frequency

-

30x

Multiplier

14x

64 K per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

256 K per core

64 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

No

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

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

300 MHz

2200 MHz

GPU Max Dynamic Frequency

1050 MHz

128

Shader Units

384

8

Texture Units

48

4

Raster Operation Units

6

2

Execution Units

48

15 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

0.49 TFLOPS

Graphics Performance

0.81 TFLOPS

Miscellaneous

AMD Ryzen 9 7845HX

Official Website

Intel Core i5 8257U

5.0

PCIe Version

3.0

28

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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