Intel Core i9-12900K — Specifications and Blender benchmarks

Specifications Benchmarks Synonyms

Specifications

Technical data

CPU generation and family

CPU group
Intel Core i 12000
Family
12th Generation Intel Core i9 Processors
Generation
12
Name
Intel Core i9-12900K
Predecessor
Intel Core i9-11900K
Processor Number
i9-12900K
Segment
Desktop
Successor
Intel Core i9-13900K

CPU Cores and Base Frequency

A-Core
8x Golden Cove
B-Core
8x Gracemont
Base Frequency
3.7 GHz
C-Core
—
Core architecture
hybrid (big.LITTLE)
CPU Cores
16
CPU Threads
24
E-core Base Clock
2.4 GHz
E-core Max Turbo
3.9 GHz
Efficient Cores
8
Hyperthreading / SMT
Yes
Max. Boost Clock
5.2 GHz
Overclocking
Yes
P-core Base Clock
3.2 GHz
P-core Max Turbo
5.1 GHz
Performance Cores
8
Turbo Frequency (1 Core)
5.3 GHz
Turbo Frequency (16 Cores)
5 GHz

Internal Graphics

DirectX Version
12
Execution units
32
Generation
12
GPU Frequency
400 MHz
GPU name
Intel UHD Graphics 770
GPU Turbo
1550 MHz
Graphics Base Frequency
300 MHz
Graphics Output
eDP 1.4b, DP 1.4a, HDMI 2.1
Max. displays
4
Max. GPU Memory
16 GB
Release date
Q4/2021
Shader
256
Technology
10 nm

Hardware codec support

AV1
Decode
H.264 / AVC
Decode / Encode
h265 / HEVC (8 bit)
Decode / Encode
h265 / HEVC (10 bit)
Decode / Encode
JPEG
Decode / Encode
VC-1
Decode
VP8
Decode
VP9
Decode / Encode

Memory & PCIe

ECC
Yes
Max. Memory
128 GB
Memory channels
2
Memory type
Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
PCIe lanes
20
PCIe version
5.0 and 4.0

Encryption

AES-NI
Yes

Thermal Management

Maximum Operating Temperature
100 °C
Maximum Turbo Power
241 W
Processor Base Power (PBP)
125 W
TDP (PL1, legacy label)
125 W
TDP (PL2)
228 W / 56 s
TDP down
—
TDP up
—

Technical details

Architecture
Alder Lake S
Cache (manufacturer label)
30 MB Intel Smart Cache
Codename
Products formerly Alder Lake
Instruction set (ISA)
x86-64 (64 bit)
ISA extensions
SSE4.1, SSE4.2, AVX2, AVX2+
L2-Cache
Conflicting source values: 14 MB (Total cache capacity) | 3.75 MB
L3-Cache
30 MB
Marketing Status (manufacturer label)
Launched
Part Number
BX8071512900K
Release date
Q4/2021
Socket
FCLGA1700
Technology
Intel 7 (Manufacturer process designation)
Use Conditions
PC/Client/Tablet, Workstation
Virtualization
VT-x, VT-x EPT, VT-d

Positions in all rankings

Common positions Intel Core i9-12900K CPU in popular benchmarks, for comparison with other models.

No data

Benchmarks

Performance tests CPU

Published results: 11

Blender Cycles

Each row uses one Blender version, operating system and compute backend.

Test and settings	Intel Core i9-12900K
Blender 4.0.0 / CPU / Linux	387.437158 samples/min Submissions: 8
Blender 4.0.0 / CPU / Windows	342.220842 samples/min Submissions: 83
Blender 4.1.0 / CPU / Windows	341.86517 samples/min Submissions: 51
Blender 4.2.0 / CPU / Windows	348.527563 samples/min Submissions: 101
Blender 4.3.0 / CPU / Windows	331.433386 samples/min Submissions: 51
Blender 4.4.0 / CPU / Windows	334.608444 samples/min Submissions: 40
Blender 4.5.0 / CPU / Linux	405.81974 samples/min Submissions: 17
Blender 4.5.0 / CPU / Windows	347.867139 samples/min Submissions: 51
Blender 5.1.0 / CPU / Windows	364.623081 samples/min Submissions: 5
Blender 5.1.1 / CPU / Windows	371.614153 samples/min Submissions: 10
Blender 5.2.0 / CPU / Windows	330.848277 samples/min Submissions: 9

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

Cinebench 2024 / multiple threads

Result	Reported conditions
1387 points	System: Core i9-12900K, 16 GB CPU / power label: Core i9-12900K, 16 GB Source minimum runtime: 0 minutes. Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / single thread

Result	Reported conditions
120 points	System: Core i9-12900K, 16 GB CPU / power label: Core i9-12900K, 16 GB Source minimum runtime: 0 minutes. Exact test build and complete conditions are unreported; no ranking position.

RandomX / XMRig 6.26.0 / 1M / 22 threads / windows

Result	Reported conditions
9357.425585 H/s	RandomX / XMRig 6.26.0 / 1M / 22 threads / windows System RAM: 64 GB OS: Windows NT 10.0 Motherboard: Micro-Star International Co., Ltd. / PRO Z690-A WIFI (MS-7D25) Duration: 106.867 s User-submitted run; tuning and power settings are incomplete.

Cinebench R23 / multiple threads

Result	Reported conditions
27485 points	System: CB: Core i9-12900K @ Stock CPU / power label: CB: Core i9-12900K @ Stock Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / single thread

Result	Reported conditions
2032 points	System: CB: Core i9-12900K @ Stock CPU / power label: CB: Core i9-12900K @ Stock Exact test build and complete conditions are unreported; no ranking position.