Intel Xeon 638 vs Intel Core i9 12900KF
CPU · Specs Compare
General Parameters
Release Date
Feb 2026
Oct 2021
Manufacturer
Intel
Intel
Type
Server
Desktop
Core Architecture
Granite Rapids
Alder Lake
Integrated Graphics
N/A
No
Generation
Xeon 600 (Granite Rapids-WS)
—
Instruction Set
—
x86-64
Processor Number
—
i9-12900KF
Package
Manufacturing Process
5 nm
10 nm
Socket
Intel Socket 4710
LGA-1700
Power Consumption
180 W
125 W
Peak Operating Temperature
100°C
100°C
Foundry
Intel
—
Die Size
598 mm²
—
I/O Process Size
10 nm
—
I/O Die Size
2x 241
—
Package
FC-LGA18N
—
Max Turbo Power Consumption
—
241 W
CPU Performance
Performance Core Base Frequency
3.2 GHz
3.2 GHz
Performance Core Turbo Frequency
4.8 GHz
5.1 GHz
Total Core Count
16
16
Total Thread Count
32
24
Bus Frequency
100 MHz
100 MHz
Multiplier
32.0
32x
L1 Cache
112 KB per core
64 K per core
L2 Cache
2 MB per core
14 MB shared
L3 Cache
72 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
—
Performance Cores
—
8
Performance Core Threads
—
16
Efficiency Cores
—
8
Efficiency Core Threads
—
8
Efficiency Core Base Frequency
—
2.4 GHz
Efficiency Core Turbo Frequency
—
3.9 GHz
Memory Parameters
Memory Types
DDR5-6400
DDR5-4800, DDR4-3200
Max Memory Channels
4
2
ECC Memory Support
Yes
Yes
Max Memory Size
—
128 GB
Max Memory Bandwidth
—
76.8 GB/s
Miscellaneous
PCIe Version
5
5.0
PCIe Lanes
80
20
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.