Intel Core i9 12900K vs Intel Core Ultra 7 155UL

VS

Intel Core i9 12900K

Intel Core Ultra 7 155UL

We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and Intel Core Ultra 7 155UL with 12 cores 1.7GHz . 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

Integrated graphics card

Newer PCIe version (5.0 vs 4)

Higher base frequency (32GHz vs 1.7GHz)

Larger L3 cache size (30MB vs 12MB)

Intel Core Ultra 7 155UL 's Advantages

Released 2 years and 6 months late

Higher specification of memory (5600 vs 4800)

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

More modern manufacturing process (7nm vs 10nm)

Lower TDP (15W vs 125W)

Score

Intel Core i9 12900K

VS

Intel Core Ultra 7 155UL

General Parameters

Oct 2021

Release Date

Apr 2024

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

-

Alder Lake

Core Architecture

Meteor Lake-PS

i9-12900K

Processor Number

-

LGA-1700

Socket

Intel Socket 1851

UHD Graphics 770

Integrated Graphics

Arc Xe-LPG 64EU

-

Generation

Ultra 7 (Meteor Lake)

Package

10 nm

Manufacturing Process

7 nm

125 W

Power Consumption

15 W

100°C

Peak Operating Temperature

-

Foundry

Intel

CPU Performance

8

Performance Cores

2

16

Performance Core Threads

4

3,2 GHz

Performance Core Base Frequency

1.7 GHz

5.1 GHz

Performance Core Turbo Frequency

4.8 GHz

8

Efficiency Cores

10

8

Efficiency Core Threads

10

2.4 GHz

Efficiency Core Base Frequency

1200 MHz

3.9 GHz

Efficiency Core Turbo Frequency

3.8 GHz

16

Total Core Count

12

24

Total Thread Count

14

100 MHz

Bus Frequency

100 MHz

32x

Multiplier

17.0

64 K per core

L1 Cache

112 KB per core

14 MB shared

L2 Cache

2 MB per core

30 MB shared

L3 Cache

12 MB shared

Yes

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR5-4800, DDR4-3200

Memory Types

DDR5-5600

128 GB

Max Memory Size

96 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1550 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i9 12900K

Official Website

Intel Core Ultra 7 155UL

5.0

PCIe Version

4

20

PCIe Lanes

8

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