i9-12900HX vs i9-12900H

Aggregate performance score

Core i9-12900H
2022
14 cores / 20 threads, 45 Watt
18.26
Core i9-12900HX
2022
16 cores / 24 threads, 55 Watt
22.25
+21.9%

Core i9-12900HX outperforms Core i9-12900H by a significant 22% based on our aggregate benchmark results.

Primary details

Comparing Core i9-12900H and Core i9-12900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking349247
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Alder Lake-Pno data
Power efficiency37.0036.89
Architecture codenameAlder Lake-H (2022)Alder Lake-HX (2022)
Release date4 January 2022 (2 years ago)10 May 2022 (2 years ago)

Detailed specifications

Core i9-12900H and Core i9-12900HX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores14 (Tetradeca-Core)16 (Hexadeca-Core)
Threads2024
Base clock speed2.5 GHz2.3 GHz
Boost clock speed5 GHz5 GHz
L1 cache80K (per core)80K (per core)
L2 cache1.25 MB (per core)1.25 MB (per core)
L3 cache24 MB (shared)30 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Die size217 mm2215 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i9-12900H and Core i9-12900HX compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCBGA1744FCBGA1964
Power consumption (TDP)45 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900H and Core i9-12900HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift++
Hyper-Threading Technology++
TSX++
Thermal Monitoring++
Flex Memory Access++
SIPP+-
Turbo Boost Max 3.0++
Deep Learning Boost++

Security technologies

Core i9-12900H and Core i9-12900HX technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-12900H and Core i9-12900HX are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-12900H and Core i9-12900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR4, DDR5
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidthno data76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleIntel® UHD Graphics for 12th Gen Intel® Processors
Quick Sync Video++
Graphics max frequency1.45 GHz1.55 GHz
Execution Units9632

Graphics interfaces

Available interfaces and connections of Core i9-12900H and Core i9-12900HX integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i9-12900H and Core i9-12900HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz4096 x 2304 @ 60Hz
Max resolution over eDP4096 x 2304 @ 120Hz5120 x 3200 @ 120Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i9-12900H and Core i9-12900HX integrated GPUs, sometimes API versions are included.

DirectX12.112.1
OpenGL4.64.6

Peripherals

Specifications and connection of peripherals supported by Core i9-12900H and Core i9-12900HX.

PCIe version4.05.0 and 4.0
PCI Express lanes2020

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-12900H 18.26
i9-12900HX 22.25
+21.9%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-12900H 27941
i9-12900HX 34044
+21.8%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i9-12900H 8235
i9-12900HX 9509
+15.5%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i9-12900H 47767
i9-12900HX 64621
+35.3%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i9-12900H 13453
i9-12900HX 17668
+31.3%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i9-12900H 4.03
+94.3%
i9-12900HX 7.83

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i9-12900H 25
i9-12900HX 42
+63.9%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i9-12900H 2577
i9-12900HX 3566
+38.4%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i9-12900H 266
i9-12900HX 278
+4.5%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i9-12900H 2.99
i9-12900HX 3.35
+12%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i9-12900H 10.3
i9-12900HX 17.4
+68.9%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i9-12900H 111
i9-12900HX 186
+66.5%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i9-12900H 263
i9-12900HX 314
+19.2%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i9-12900H 7937
i9-12900HX 9993
+25.9%

Geekbench 5.5 Multi-Core

i9-12900H 12237
i9-12900HX 16312
+33.3%

Blender(-)

i9-12900H 206
+38.3%
i9-12900HX 149

Geekbench 5.5 Single-Core

i9-12900H 1820
i9-12900HX 1907
+4.8%

7-Zip Single

i9-12900H 5881
i9-12900HX 6336
+7.7%

7-Zip

i9-12900H 64909
i9-12900HX 86541
+33.3%

WebXPRT 3

i9-12900H 296
i9-12900HX 318
+7.3%

Gaming performance

Pros & cons summary


Performance score 18.26 22.25
Recency 4 January 2022 10 May 2022
Physical cores 14 16
Threads 20 24
Power consumption (TDP) 45 Watt 55 Watt

i9-12900H has 22.2% lower power consumption.

i9-12900HX, on the other hand, has a 21.9% higher aggregate performance score, an age advantage of 4 months, and 14.3% more physical cores and 20% more threads.

The Core i9-12900HX is our recommended choice as it beats the Core i9-12900H in performance tests.


Should you still have questions on choice between Core i9-12900H and Core i9-12900HX, ask them in Comments section, and we shall answer.

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Intel Core i9-12900H
Core i9-12900H
Intel Core i9-12900HX
Core i9-12900HX

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Community ratings

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