Intel Core i9 12900HX vs Intel Pentium Gold 6405U

VS

Intel Core i9 12900HX Intel Pentium Gold 6405U

We compared two laptop CPUs: Intel Core i9 12900HX with 16 cores 2.3GHz 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

Intel Core i9 12900HX's Advantages

Released 2 years and 7 months late

Higher specification of memory (DDR5-4800 vs DDR4-2400)

Larger memory bandwidth (76.8GB/s vs 37.5GB/s)

Newer PCIe version (5.0 vs 2.0)

Larger L3 cache size (30MB vs 2MB)

More modern manufacturing process (10nm vs 14nm)

Intel Pentium Gold 6405U's Advantages

Higher base frequency (2.4GHz vs 2.3GHz)

Lower TDP (15W vs 45W)

Score

Benchmark

Geekbench 5 Single Core

Intel Core i9 12900HX +229%

1896

Intel Pentium Gold 6405U

575

Geekbench 5 Multi Core

Intel Core i9 12900HX +1131%

16154

Intel Pentium Gold 6405U

1312

Passmark CPU Single Core

Intel Core i9 12900HX +179%

3874

Intel Pentium Gold 6405U

1385

Passmark CPU Multi Core

Intel Core i9 12900HX +1394%

34632

Intel Pentium Gold 6405U

2317

Intel Core i9 12900HX

VS

Intel Pentium Gold 6405U

General Parameters

May 2022

Release Date

Oct 2019

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Comet Lake

i9-12900HX

Processor Number

6405U

BGA-1964

Socket

BGA-1528

UHD Graphics (32EU)

Integrated Graphics

UHD Graphics

Package

10 nm

Manufacturing Process

14 nm

BGA-1964

Socket

BGA-1528

45-55 W

Power Consumption

15 W

157W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

4

2.3 GHz

Performance Core Base Frequency

2.4 GHz

5 GHz

Performance Core Turbo Frequency

-

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.7 GHz

Efficiency Core Base Frequency

-

3.6 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

2

24

Total Thread Count

4

100MHz

Bus Frequency

-

23x

Multiplier

-

80K per core

L1 Cache

-

1280K per core

L2 Cache

-

30MB shared

L3 Cache

2MB shared

Yes

Unlocked Multiplier

-

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-2400, LPDDR3-2133

128GB

Max Memory Size

64GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

37.5 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

300 MHz

GPU Base Frequency

-

1550 MHz

GPU Max Dynamic Frequency

950 MHz

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

45 W

Power Consumption

-

0.74 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 12900HX

Official Website

Intel Pentium Gold 6405U

5.0

PCIe Version

2.0

20

PCIe Lanes

12

-

Extended Instruction Set

SSE4.1, SSE4.2

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