Intel Core Ultra 7 355 vs Intel Core i9 12900KF
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
Oct 2021
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Processor Number
355
i9-12900KF
Integrated Graphics
Graphics 4 Xe3
No
Generation
Intel Core Ultra Series 3
—
Core Architecture
—
Alder Lake
Package
Manufacturing Process
3 nm
10 nm
Socket
Custom
LGA-1700
Power Consumption
15-25 W
125 W
Max Turbo Power Consumption
55 W
241 W
Peak Operating Temperature
100 °C
100°C
CPU Performance
Performance Cores
4
8
Performance Core Threads
4
16
Performance Core Base Frequency
2.3 GHz
3.2 GHz
Performance Core Turbo Frequency
4.7 GHz
5.1 GHz
Efficiency Cores
4
8
Efficiency Core Threads
4
8
Efficiency Core Base Frequency
1.7 GHz
2.4 GHz
Efficiency Core Turbo Frequency
3.5 GHz
3.9 GHz
Total Core Count
8
16
Total Thread Count
8
24
Bus Frequency
100 MHz
100 MHz
Multiplier
23
32x
L3 Cache
12 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
L1 Cache
—
64 K per core
L2 Cache
—
14 MB shared
Memory Parameters
Memory Types
LPDDR5X-7467,DDR5-6400
DDR5-4800, DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
119.5 GB/s
76.8 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
—
GPU Max Dynamic Frequency
2500 MHz
—
Execution Units
4
—
Max Resolution
7680 x 4320 @ 60Hz
—
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
12
20
Benchmark
Geekbench 6
2,706
2,686
Geekbench 6
10,277
16,130
Cinebench R23
—
2,028
Cinebench R23
—
27,422
Geekbench 5
—
1,970
Geekbench 5
—
17,469
Blender
—
425
Passmark CPU
—
4,167
Passmark CPU
—
41,190
▲ Specs Compare
Data sourced from official specifications and benchmark tests.