Intel Core i9 12900KF vs Intel Atom x7835FE
CPU · Specs Compare
General Parameters
Release Date
Oct 2021
Oct 2025
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
—
Core Architecture
Alder Lake
Amston Lake
Processor Number
i9-12900KF
—
Integrated Graphics
No
UHD Graphics 32EU
Generation
—
Atom (Gracemont)
Package
Manufacturing Process
10 nm
10 nm
Socket
LGA-1700
Intel BGA 1264
Power Consumption
125 W
12 W
Max Turbo Power Consumption
241 W
—
Peak Operating Temperature
100°C
105°C
Foundry
—
Intel
Package
—
FC-BGA16F
CPU Performance
Performance Cores
8
—
Performance Core Threads
16
—
Performance Core Base Frequency
3.2 GHz
1.3 GHz
Performance Core Turbo Frequency
5.1 GHz
3.6 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
8
Total Thread Count
24
8
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
13.0
L1 Cache
64 K per core
96 KB per core
L2 Cache
14 MB shared
2 MB per module
L3 Cache
30 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
SMP
—
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR4-3200, DDR5, LPDDR5-4800
Max Memory Size
128 GB
—
Max Memory Channels
2
—
Max Memory Bandwidth
76.8 GB/s
—
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
5.0
3
PCIe Lanes
20
9
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.