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Intel Core i9 12900K

Intel Core i9 12900K
Coming Soon Brand: Intel
Category: CPUs
  • Cores 16
  • Integrated GPU UHD Graphics 770
  • Fabrication Process 7nm
  • Memory 128GB | DDR5 | DDR4

Our Rating

The overall rating is based on review by our experts

8.7
  • Rating 9 / 10
  • Value For Money 8 / 10
  • Gaming 9 / 10
  • Performance 9 / 10
  • Reliability 9 / 10
  • Energy Efficiency 8 / 10

Intel Core i9 12900K: Highlights

Intel Core i9 12900K is a desktop processor produced by Intel. It has 16 cores and 24 threads. CPU base clock frequency is 3200 MHz, but it’s due to Turbo Boost technology, it can perform up to 5200 MHz. Intel Core i9 12900K has integrated graphics Intel UHD Graphics 770.

Intel Core i9 12900K is based on a 7 nm fabrication process and a TDP of 125W. It supports DDR5 | DDR4 memory with a double-channel interface and a memory speed is 4800 MT/s | 3200 MT/s.

SPECIFICATIONS

General Information

Vendor Intel
Released October 2021
Type Desktop
Model Core i9 12900K
Instruction set x86-64
Codename Alder Lake-S
Socket LGA-1700
Integrated GPU UHD Graphics 770
Supported displays 4
Supports 64-bit Yes

CPU Performance

Cores 16
Threads 24
Base Frequency 3.2 GHz
Turbo Boost Frequency 5.2 GHz
Bus Frequency 100 MHz
Clock Multiplier 32x
L1 Cache 64K (per core)
L2 Cache 14MB (shared)
L3 Cache 30MB (shared)
L2 core -
L3 core -
Unlocked Multiplier Yes

iGPU

Integrated Graphics UHD Graphics 770
GPU Base Clock 300 MHz
GPU Boost Clock 1550 MHz
Shading Units 256
TMUs 16
ROPs 8
Execution Units 32
TGP 15W
Max. Resolution 4096 x 2160 @ 60Hz
7680 x 4320 @ 60Hz
5120 x 3200 @ 120Hz
iGPU FLOPS 0.78 TFLOPS

Power

Transistors -
Fabrication process 7nm
TDP 125W
Max. temperature 100°C

Memory Support

Memory Types DDR5
DDR4
Memory Size 128GB
RAM speed 4800 MT/s
3200 MT/s
Max. Memory Channels 2
Max. Memory Bandwidth 76.8 GB/s
ECC Support Yes
DDR memory version 5
Bus Transfer Rate -
Bus Speed -

Miscellaneous

Official Site Intel Core i9 12900K Official website
PCI Express Version 5.0 and 4.0
PCI Express Lanes 20

Benchmarks

Cinebench R23 Single-Core 1980
Cinebench R23 Multi-Core 27333
Passmark CPU Single-Core 4206
Passmark CPU Multi-Core 41000
Geekbench Single-Core 2184
Geekbench Multi-Core 16779

Key Features

SSE version 4.2
Front-end width -
MULTITHREADING
AES
AVX
F16C
MMX
TRUST ZONE
NX BIT
FMA4
FMA3

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