i9-12900HX vs Ryzen 9 5900X

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Aggregate performance score

Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
24.61
+15.9%
Core i9-12900HX
2022
16 cores / 24 threads, 55 Watt
21.24

Ryzen 9 5900X outperforms Core i9-12900HX by a moderate 16% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900X and Core i9-12900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking206259
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation32.25no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9no data
Power efficiency22.1836.55
Architecture codenameVermeer (Zen3) (2020−2022)Alder Lake-HX (2022)
Release date8 October 2020 (4 years ago)10 May 2022 (2 years ago)
Launch price (MSRP)$549no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 5900X 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 cores12 (Dodeca-Core)16 (Hexadeca-Core)
Threads2424
Base clock speed3.7 GHz2.3 GHz
Boost clock speed4.8 GHz5 GHz
Multiplier37no data
L1 cache768 KB80K (per core)
L2 cache6 MB1.25 MB (per core)
L3 cache64 MB30 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die size2x 74 mm2(CCD) + 125 mm2 (IOD)215 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °C72 °C
Number of transistors0 Millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 9 5900X 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
SocketAM4FCBGA1964
Power consumption (TDP)105 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900X and Core i9-12900HX. You'll probably need this information if you require some particular technology.

Instruction set extensions86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 9 5900X and Core i9-12900HX technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900X and Core i9-12900HX are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900X and Core i9-12900HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4, DDR5
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/s76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel UHD Graphics for 12th Gen Intel Processors
Quick Sync Video-+
Graphics max frequency-1.55 GHz
Execution Units-32

Graphics interfaces

Available interfaces and connections of Ryzen 9 5900X and Core i9-12900HX integrated GPUs.

Number of displays supported-4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 5900X and Core i9-12900HX integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4-4096 x 2304 @ 60Hz
Max resolution over eDP-5120 x 3200 @ 120Hz
Max resolution over DisplayPort-7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 9 5900X and Core i9-12900HX integrated GPUs, sometimes API versions are included.

DirectX-12.1
OpenGL-4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900X and Core i9-12900HX.

PCIe version4.05.0 and 4.0
PCI Express lanesno data20

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.

Ryzen 9 5900X 24.61
+15.9%
i9-12900HX 21.24

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.

Ryzen 9 5900X 39096
+15.9%
i9-12900HX 33744

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.

Ryzen 9 5900X 6828
i9-12900HX 9509
+39.3%

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.

Ryzen 9 5900X 52076
i9-12900HX 64621
+24.1%

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.

Ryzen 9 5900X 16438
i9-12900HX 17668
+7.5%

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.

Ryzen 9 5900X 42
+0.6%
i9-12900HX 42

Cinebench 15 64-bit multi-core

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

Ryzen 9 5900X 2695
i9-12900HX 3566
+32.3%

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.

Ryzen 9 5900X 250
i9-12900HX 278
+11.2%

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.

Ryzen 9 5900X 3.14
i9-12900HX 3.35
+6.7%

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.

Ryzen 9 5900X 21.2
+21.8%
i9-12900HX 17.4

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.

Ryzen 9 5900X 13361
+33.7%
i9-12900HX 9993

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.  

Ryzen 9 5900X 191
+3%
i9-12900HX 186

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.  

Ryzen 9 5900X 335
+6.8%
i9-12900HX 314

Geekbench 5.5 Multi-Core

Ryzen 9 5900X 11765
i9-12900HX 16312
+38.6%

Blender(-)

Ryzen 9 5900X 154
+3.8%
i9-12900HX 149

Geekbench 5.5 Single-Core

Ryzen 9 5900X 1604
i9-12900HX 1907
+18.9%

7-Zip Single

Ryzen 9 5900X 6582
+3.9%
i9-12900HX 6336

7-Zip

Ryzen 9 5900X 90443
+4.5%
i9-12900HX 86541

WebXPRT 3

Ryzen 9 5900X 279
i9-12900HX 318
+13.8%

CrossMark Overall

Ryzen 9 5900X 1580
i9-12900HX 2151
+36.1%

Gaming performance

Pros & cons summary


Performance score 24.61 21.24
Recency 8 October 2020 10 May 2022
Physical cores 12 16
Power consumption (TDP) 105 Watt 55 Watt

Ryzen 9 5900X has a 15.9% higher aggregate performance score.

i9-12900HX, on the other hand, has an age advantage of 1 year, 33.3% more physical cores, and 90.9% lower power consumption.

The Ryzen 9 5900X is our recommended choice as it beats the Core i9-12900HX in performance tests.

Note that Ryzen 9 5900X is a desktop processor while Core i9-12900HX is a notebook one.


Should you still have questions on choice between Ryzen 9 5900X and Core i9-12900HX, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 9 5900X
Ryzen 9 5900X
Intel Core i9-12900HX
Core i9-12900HX

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