AMD Ryzen 5 8645HS vs AMD Ryzen 7 7840H

VS

AMD Ryzen 5 8645HS

AMD Ryzen 7 7840H

We compared two laptop CPUs: AMD Ryzen 5 8645HS with 6 cores 4.3GHz and AMD Ryzen 7 7840H with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8645HS 's Advantages

Released 11 months late

Higher specification of memory (7500 vs 5600)

Higher base frequency (4.3GHz vs 3.8GHz)

AMD Ryzen 7 7840H 's Advantages

Better graphics card performance

Newer PCIe version (4 vs 4.0)

Lower TDP (35W vs 54W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8645HS

1724

AMD Ryzen 7 7840H +1%

1757

Cinebench R23 Multi Core

AMD Ryzen 5 8645HS

13058

AMD Ryzen 7 7840H +21%

15930

Geekbench 6 Single Core

AMD Ryzen 5 8645HS

2455

AMD Ryzen 7 7840H +6%

2625

Geekbench 6 Multi Core

AMD Ryzen 5 8645HS

10287

AMD Ryzen 7 7840H +14%

11813

Cinebench 2024 Single Core

AMD Ryzen 5 8645HS

99

AMD Ryzen 7 7840H +6%

105

Cinebench 2024 Multi Core

AMD Ryzen 5 8645HS

702

AMD Ryzen 7 7840H +34%

941

Blender

AMD Ryzen 5 8645HS

187

AMD Ryzen 7 7840H +19%

224

Passmark CPU Single Core

AMD Ryzen 5 8645HS

3795

AMD Ryzen 7 7840H +4%

3947

Passmark CPU Multi Core

AMD Ryzen 5 8645HS

23060

AMD Ryzen 7 7840H +22%

28248

AMD Ryzen 5 8645HS

VS

AMD Ryzen 7 7840H

General Parameters

Dec 2023

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 4 (Hawk Point)

Core Architecture

Phoenix

FP8

Socket

AMD Socket FP8

Radeon 760M

Integrated Graphics

Radeon 780M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Ryzen 7 (Zen 4 (Phoenix))

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

35-54 W

Power Consumption

35 W

100°C

Peak Operating Temperature

100 °C

TSMC

Foundry

TSMC

178 mm²

Die Size

178 mm²

CPU Performance

6

Performance Cores

-

12

Performance Core Threads

-

4.3 GHz

Performance Core Base Frequency

3.8 GHz

5 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

38.0

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

-

2600 MHz

GPU Max Dynamic Frequency

2700 MHz

512

Shader Units

-

32

Texture Units

-

16

Raster Operation Units

-

8

Execution Units

12

15 W

Power Consumption

-

2.66 TFLOPS

Graphics Performance

10 TFLOPS

Miscellaneous

AMD Ryzen 5 8645HS official page

Official Website

AMD Ryzen 7 7840H

4.0

PCIe Version

4

20

PCIe Lanes

20

Related CPU Comparisons

1

AMD Ryzen 5 8645HS vs Intel Core i7 1260U

2

AMD Ryzen 5 8645HS vs AMD Ryzen 9 7945HX

3

AMD Ryzen 5 8645HS vs Qualcomm Snapdragon X Plus X1P 42 100

4

AMD Ryzen 5 8645HS vs Intel Core Ultra 9 185H

5

AMD Ryzen 5 8645HS vs Intel Core i7 10875H

6

AMD Ryzen 5 8645HS vs Intel Core Ultra 7 268V

7

AMD Ryzen 5 8645HS vs Intel Core 7 160UL

8

AMD Ryzen 5 8645HS vs Intel Core i9 13950HX

9

AMD Ryzen 5 8645HS vs Intel Core i7 13705H

10

AMD Ryzen 5 8645HS vs AMD Ryzen 7 4800H

Related News

1

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

2

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

3

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

4

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

5

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

6

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

7

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

8

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

9

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

10

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU