AMD Ryzen 7 7840U vs Intel Pentium Gold 6405U

VS

AMD Ryzen 7 7840U Intel Pentium Gold 6405U

We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz 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 7840U 's Advantages

Released 3 years and 7 months late

Higher specification of memory (LPDDR5x-7500 vs DDR4-2400)

Newer PCIe version (4.0 vs 2.0)

Higher base frequency (3.3GHz vs 2.4GHz)

Larger L3 cache size (16MB vs 2MB)

Lower TDP (15W vs 15W)

Score

Benchmark

Geekbench 5 Single Core

AMD Ryzen 7 7840U +231%

1907

Intel Pentium Gold 6405U

575

Geekbench 5 Multi Core

AMD Ryzen 7 7840U +691%

10387

Intel Pentium Gold 6405U

1312

AMD Ryzen 7 7840U

VS

Intel Pentium Gold 6405U

General Parameters

May 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

FP8

Socket

BGA-1528

15-30 W

Power Consumption

15 W

100°C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

4

3.3 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

-

33x

Multiplier

-

64 K per core

L1 Cache

-

1 MB per core

L2 Cache

-

16 MB shared

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

-

Max Memory Bandwidth

37.5 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

1500 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 W

Power Consumption

-

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 7 7840U

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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