Intel Core i9 12900KF vs Intel Xeon 634

CPU · Specs Compare

CPU Intel Core i9 12900KF Intel · 2021-10

CPU Intel Xeon 634 Intel · 2026-02

General Parameters

Release Date

Oct 2021

Feb 2026

Manufacturer

Intel

Intel

Type

Desktop

Server

Instruction Set

x86-64

—

Core Architecture

Alder Lake

Granite Rapids

Processor Number

i9-12900KF

—

Integrated Graphics

No

N/A

Generation

—

Xeon 600 (Granite Rapids-WS)

Package

Manufacturing Process

10 nm

5 nm

Socket

LGA-1700

Intel Socket 4710

Power Consumption

125 W

150 W

Max Turbo Power Consumption

241 W

—

Peak Operating Temperature

100°C

87°C

Foundry

—

Intel

Die Size

—

598 mm²

I/O Process Size

—

10 nm

I/O Die Size

—

2x 241

Package

—

FC-LGA18N

CPU Performance

Performance Cores

8

—

Performance Core Threads

16

—

Performance Core Base Frequency

3.2 GHz

2.7 GHz

Performance Core Turbo Frequency

5.1 GHz

4.6 GHz

Efficiency Cores

8

—

Efficiency Core Threads

8

—

Efficiency Core Base Frequency

2.4 GHz

—

Efficiency Core Turbo Frequency

3.9 GHz

—

Total Core Count

16

12

Total Thread Count

24

24

Bus Frequency

100 MHz

100 MHz

Multiplier

32x

27.0

L1 Cache

64 K per core

112 KB per core

L2 Cache

14 MB shared

2 MB per core

L3 Cache

30 MB shared

48 MB shared

Unlocked Multiplier

Yes

Yes

SMP

—

1

Memory Parameters

Memory Types

DDR5-4800, DDR4-3200

DDR5-6400

Max Memory Size

128 GB

—

Max Memory Channels

2

4

Max Memory Bandwidth

76.8 GB/s

—

ECC Memory Support

Yes

Yes

Miscellaneous

Official Website

↗

—

PCIe Version

5.0

5

PCIe Lanes

20

80

Benchmark

Cinebench R23

2,028

—

Cinebench R23

27,422

—

Geekbench 6

2,686

—

Geekbench 5

1,970

—

Geekbench 6

16,130

—

Geekbench 5

17,469

—

Blender

425

—

Passmark CPU

4,167

—

Passmark CPU

41,190

—

▲ Specs Compare Data sourced from official specifications and benchmark tests.