AMD Ryzen 7 Pro 7840HS vs Intel Pentium Gold 6405U

VS

AMD Ryzen 7 Pro 7840HS

Intel Pentium Gold 6405U

We compared two laptop CPUs: AMD Ryzen 7 Pro 7840HS with 8 cores 3.8GHz and Intel Pentium Gold 6405U with 2 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 Pro 7840HS 's Advantages

Released 3 years and 8 months late

Higher specification of memory (7500 vs 2400)

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

Newer PCIe version (4.0 vs 2.0)

Higher base frequency (3.8GHz vs 2.4GHz)

Larger L3 cache size (16MB vs 2MB)

More modern manufacturing process (4nm vs 14nm)

Intel Pentium Gold 6405U 's Advantages

Lower TDP (15W vs 54W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 7 Pro 7840HS +390%

2438

Intel Pentium Gold 6405U

497

Geekbench 6 Multi Core

AMD Ryzen 7 Pro 7840HS +1048%

11851

Intel Pentium Gold 6405U

1032

AMD Ryzen 7 Pro 7840HS

VS

Intel Pentium Gold 6405U

General Parameters

Jun 2023

Release Date

Oct 2019

Amd

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Comet Lake

-

Processor Number

6405U

FP8

Socket

BGA-1528

Radeon 780M

Integrated Graphics

UHD Graphics

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

14 nm

35-54 W

Power Consumption

15 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

4

3.8 GHz

Performance Core Base Frequency

2.4 GHz

5.1 GHz

Performance Core Turbo Frequency

-

8

Total Core Count

2

16

Total Thread Count

4

100 MHz

Bus Frequency

-

38

Multiplier

-

64 K per core

L1 Cache

-

8 MB

L2 Cache

-

16 MB

L3 Cache

2 MB shared

No

Unlocked Multiplier

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-2400, LPDDR3-2133

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

37.5 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

-

2700 MHz

GPU Max Dynamic Frequency

950 MHz

768

Shader Units

-

48

Texture Units

-

32

Raster Operation Units

-

12

Execution Units

-

15

Power Consumption

-

7680x4320 - 60 Hz

Max Resolution

-

4.15 TFLOPS

Graphics Performance

-

AI Accelerator

AMD Ryzen™ AI

NPU

-

10 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 7 Pro 7840HS

Official Website

Intel Pentium Gold 6405U

4.0

PCIe Version

2.0

20

PCIe Lanes

12

-

Extended Instruction Set

SSE4.1, SSE4.2

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