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Intel Core i9 12900HX
Intel Laptop CPU

Intel Core i9 12900HX

60B
Cores16
Threads24
Boost Clock5 GHz
TDP45-55 W (configurable)
SocketBGA-1964
Process10 nm
⇄ Compare with…

Benchmarks

Perf.62
iGPU31
Energy52
Cinebench 2024 Single-Core112
Cinebench 2024 Multi-Core1269
TDP45-55 W
Cache L330MB
Cinebench 2024 (Single)112
Cinebench 2024 (Multi)1269
Geekbench 6 (Single-Core)2517
Geekbench 6 (Multi-Core)14,457
Passmark CPU (Single-Core)3746
Passmark CPU (Multi-Core)32,932
Blender CPU305.67
iGPU FLOPS0.8 TFLOPS

Full specifications

GeekBench v6

File compression
1110 MB/sec
Clang compilation
121.1 Klines/sec
HTML 5 Browser
336.5 pages/sec
PDF Renderer
382.4 Mpixels/sec
Text processing
254 pages/sec
Background blur
58.1 images/sec
Photo processing
116.9 images/sec
Ray tracing
29.6 Mpixels/sec

PassMark

Integer math
112.6 GOps/sec
Floating point math
83.7 GOps/sec
Find prime numbers
132M Primes/sec
Random string sorting
43.6M Strings/sec
Data encryption
22.7 GBytes/sec
Data compression
396.2 MBytes/sec
Physics
2020 Frames/sec
Extended instructions
24.1B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
23.1 PPW
Geekbench 6 Multi / Watt
262.9 PPW
Passmark CPU Mark / Watt
598.8 PPW
Blender / Watt
5.56 PPW

General

Vendor
Intel
Released
May 10, 2022
Type
Laptop
Instruction Set
x86-64
Codename
Alder Lake
Model number
i9-12900HX
Integrated GPU
UHD Graphics (32EU)
AMD Equivalent
- AMD Ryzen 9 6900HX
Successor
- Intel Core Ultra 9 285HX

CPU

P-Cores
8
P-Threads
16
Base Frequency (P)
2.3 GHz
Turbo Boost Frequency (P)
5 GHz
E-Cores
8
E-Threads
8
Base Frequency (E)
1.7 GHz
Turbo Boost Frequency (E)
3.6 GHz
Total Cores
16
Total Threads
24
Bus Frequency
100 MHz
Multiplier
23x
L1 Cache
80K (per core)
L2 Cache
1280K (per core)
L3 Cache
30MB (shared)
Unlocked Multiplier
Yes

Package

Fabrication Process
10 nm
TDP (PL1)
45-55 W (configurable)
Max. Boost TDP (PL2)
157 W
Socket
BGA-1964
Peak Temperature
100°C

iGPU

Integrated Graphics
Intel UHD Graphics (32EU)
GPU Base Clock
300 MHz
GPU Boost Clock
1550 MHz
Shading Units
256
TMUs
16
ROPs
8
Execution Units
32
TGP
15 W

Memory Support

Memory Types
- DDR5-4800 / - DDR4-3200
Max. Memory Size
128 GB
Memory Channels
2
Max. Memory Bandwidth
76.8 GB/s
ECC Support
No

Misc

Official Site
Intel Core i9 12900HX official page
PCI Express Version
5.0
PCI Express Lanes
20
Technologies
- Compute: ABM, ADX, BMI1, BMI2, CLMUL, F16C, SHA - Performance: EIST, TBT 2.0, TBT 3.0, TSX - Virtualization: VT-d, VT-x - Security: RDRAND, TXT, XD bit

Specifications compiled from NanoReview. Last updated 2026-09-29.

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