Intel Core i9 Core i9 (Alder Lake-HX) Available

Intel Core i9 Intel Core i9-12900HX Specifications

Comprehensive hardware specifications, core topology, clock frequencies, thermal TDP limits, integrated graphics, memory support, and NPU AI benchmarks for the Intel Core i9 Intel Core i9-12900HX.

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Total Cores 16 8P + 8E
Threads 24 Simultaneous Threads
Boost Clock 5 GHz 2.3 GHz Base
TDP (Power) 55 W Up to 157W
Cache 30 MB (shared) L3: 30 MB (shared)
Process Node 10 nm Alder Lake-HX

Basic Information

CPU Brand Intel
CPU Family Core i9
CPU Model Intel Core i9-12900HX
Processor Type —
Generation Core i9 (Alder Lake-HX)
Architecture Alder Lake-HX
Process Node 10 nm
Socket / Package Intel BGA 1964
Launch Date 10 May 2022
Status Available

Core Configuration

Total Cores 16
Performance Cores (P-Cores) 8
Efficiency Cores (E-Cores) 8
Low-Power E-Cores —
Threads 24

Clock Speeds

Base Clock 2.3 GHz
Boost / Turbo Clock 5 GHz
P-Core Base Clock —
P-Core Boost Clock —
E-Core Base Clock 3.6 GHz
E-Core Boost Clock —

Cache Memory

L1 Cache 80 KB (per core)
L2 Cache 1.25 MB (per core)
L3 Cache 30 MB (shared)
Total Cache 30 MB (shared)

Power & Thermal

Default TDP 55 W
Configurable TDP Min —
Configurable TDP Max 157 W
Max Temperature (TjMax) 100 °C

Memory Support

Maximum RAM Supported —
Supported RAM Type DDR4, DDR5
Maximum Memory Speed —
Memory Channels —
ECC Memory Support Yes

Integrated Graphics (iGPU)

iGPU Name UHD Graphics 770
iGPU Architecture —
iGPU Compute Units / Cores —
iGPU Base Clock —
iGPU Boost Clock —
Hardware Ray Tracing No
AV1 Decode Support Yes
AV1 Encode Support No

AI / NPU Performance

NPU Available No
NPU Engine Name —
NPU Performance —
Total AI Performance —

PCIe & Connectivity

PCIe Version Gen 5, 20 Lanes(CPU only)
PCIe Lanes 20
Thunderbolt Support —
USB4 Support No

Virtualization & Security

Virtualization Support —
TPM Support —
Secure Boot Yes

Instruction Sets

SSE Support —
AVX Support —
AVX2 Support —
AVX-512 Support —
AES-NI Acceleration Supported
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