Intel Core i9 12900T vs Intel Xeon 658X
CPU · Specs Compare
General Parameters
Release Date
Jan 2022
Feb 2026
Manufacturer
Intel
Intel
Type
Desktop
Server
Core Architecture
Alder Lake-S
Granite Rapids
Integrated Graphics
UHD Graphics 770
N/A
Generation
Core i9 (Alder Lake-S)
Xeon 600 (Granite Rapids-WS)
Package
Manufacturing Process
10 nm
5 nm
Socket
Intel Socket 1700
Intel Socket 4710
Power Consumption
35 W
250 W
Peak Operating Temperature
72 °C
99°C
Foundry
Intel
Intel
Die Size
215 mm²
2x598 mm²
Package
FC-LGA16A
FC-LGA18N
I/O Process Size
—
10 nm
I/O Die Size
—
2x 241
CPU Performance
Performance Cores
8
24
Performance Core Threads
16
48
Performance Core Base Frequency
1.4 GHz
3 GHz
Performance Core Turbo Frequency
4.9 GHz
4.9 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
1000 MHz
—
Efficiency Core Turbo Frequency
3.6 GHz
—
Total Core Count
16
24
Total Thread Count
24
48
Bus Frequency
100 MHz
100 MHz
Multiplier
14.0
30.0
L1 Cache
80 KB per core
112 KB per core
L2 Cache
1.25 MB per core
2 MB per core
L3 Cache
30 MB shared
144 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
1
Memory Parameters
Memory Types
DDR4-3200, DDR5-4800
DDR5-6400
Max Memory Channels
2
8
Max Memory Bandwidth
76.8 GB/s
409.6 GB/s
ECC Memory Support
No
Yes
Max Memory Size
—
4 TB
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1550 MHz
—
Execution Units
32
—
Miscellaneous
PCIe Version
5
5
PCIe Lanes
20
128
Benchmark
Cinebench R23
1,865
—
Cinebench R23
22,804
—
Geekbench 6
2,362
3,096
Geekbench 6
12,384
29,732
Blender
153
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.