Intel Core i9 12900KF vs AMD EPYC 8435P
CPU Specs Compare
General Parameters
Release Date
Oct 2021
May 2026
Manufacturer
Intel
AMD
Type
Desktop
Server
Instruction Set
x86-64
-
Core Architecture
Alder Lake
Sorano
Processor Number
i9-12900KF
-
Integrated Graphics
No
N/A
Generation
-
EPYC (Zen 5 (Sorano))
Package
Manufacturing Process
10 nm
4 nm
Socket
LGA-1700
AMD Socket SP6
Power Consumption
125 W
200 W
Max Turbo Power Consumption
241 W
-
Peak Operating Temperature
100°C
-
Transistor Count
-
66.52 billions
Foundry
-
TSMC
Die Size
-
8x70.6 mm²
I/O Process Size
-
6 nm
Package
-
FC-LGA4844
CPU Performance
Performance Cores
8
-
Performance Core Threads
16
-
Performance Core Base Frequency
3.2 GHz
2.45 GHz
Performance Core Turbo Frequency
5.1 GHz
4.5 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
48
Total Thread Count
24
96
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
24.5
L1 Cache
64 K per core
80 KB per core
L2 Cache
14 MB shared
1 MB per core
L3 Cache
30 MB shared
256 MB
Unlocked Multiplier
Yes
No
SMP
-
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR5-6400
Max Memory Size
128 GB
-
Max Memory Channels
2
6
Max Memory Bandwidth
76.8 GB/s
307.2 GB/s
ECC Memory Support
Yes
Yes
📊 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
-