Intel Core i9 12900K vs Intel Core i3 8300

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We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and Intel Core i3 8300 with 4 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900K 's Advantages

Released 3 years and 6 months late

Better graphics card performance

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 3.0)

Higher base frequency (32GHz vs 3.7GHz)

Larger L3 cache size (30MB vs 8MB)

More modern manufacturing process (10nm vs 14nm)

Intel Core i3 8300 's Advantages

Lower TDP (62W vs 125W)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i9 12900K +451%

2631

Intel Core i3 8300

477

Geekbench 6 Multi Core

Intel Core i9 12900K +2055%

17004

Intel Core i3 8300

789

Geekbench 5 Single Core

Intel Core i9 12900K +124%

1970

Intel Core i3 8300

877

Geekbench 5 Multi Core

Intel Core i9 12900K +556%

17028

Intel Core i3 8300

2594

Passmark CPU Single Core

Intel Core i9 12900K +83%

4173

Intel Core i3 8300

2272

Passmark CPU Multi Core

Intel Core i9 12900K +566%

41390

Intel Core i3 8300

6207

Intel Core i9 12900K

VS

Intel Core i3 8300

General Parameters

Oct 2021

Release Date

Apr 2018

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Coffee Lake

i9-12900K

Processor Number

i3-8300

LGA-1700

Socket

LGA-1151

UHD Graphics 770

Integrated Graphics

UHD Graphics 630

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-1151

125 W

Power Consumption

62 W

100°C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

4

3,2 GHz

Performance Core Base Frequency

3.7 GHz

5.1 GHz

Performance Core Turbo Frequency

-

8

Efficiency Cores

-

8

Efficiency Core Threads

-

2.4 GHz

Efficiency Core Base Frequency

-

3.9 GHz

Efficiency Core Turbo Frequency

-

16

Total Core Count

4

24

Total Thread Count

4

100 MHz

Bus Frequency

-

32x

Multiplier

-

64 K per core

L1 Cache

-

14 MB shared

L2 Cache

-

30 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

-

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR4-2400

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

37.5 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

350 MHz

1550 MHz

GPU Max Dynamic Frequency

1150 MHz

256

Shader Units

192

16

Texture Units

24

8

Raster Operation Units

3

32

Execution Units

24

15 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

0.78 TFLOPS

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i9 12900K

Official Website

Intel Core i3 8300

5.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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