i5-12450H vs Ryzen 9 3900X

#ad 
Buy on Amazon
VS

Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 105 Watt
20.53
+92.4%
Core i5-12450H
2022
8 cores / 12 threads, 45 Watt
10.67

Ryzen 9 3900X outperforms Core i5-12450H by an impressive 92% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900X and Core i5-12450H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking275737
Place by popularitynot in top-1004
Cost-effectiveness evaluation21.73no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9Intel Alder Lake-P
Power efficiency15.5422.44
Architecture codenameMatisse (Zen 2) (2019−2020)Alder Lake-H (2022)
Release date7 July 2019 (5 years ago)January 2022 (2 years ago)
Launch price (MSRP)$499no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900X and Core i5-12450H 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)8 (Octa-Core)
Threads2412
Base clock speed3.8 GHz2 GHz
Boost clock speed4.6 GHz4.4 GHz
L1 cache768 KB80K (per core)
L2 cache6 MB1.25 MB (per core)
L3 cache64 MB12 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die sizeno data217 mm2
Maximum core temperature95 °C100 °C
Number of transistors19,200 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900X and Core i5-12450H 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 configuration1 (Uniprocessor)1
SocketAM4FCBGA1744
Power consumption (TDP)105 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Core i5-12450H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® 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+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 9 3900X and Core i5-12450H 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 3900X and Core i5-12450H 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 3900X and Core i5-12450H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4, DDR5
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/sno data

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-1.2 GHz
Execution Units-48

Graphics interfaces

Available interfaces and connections of Ryzen 9 3900X and Core i5-12450H integrated GPUs.

Number of displays supported-4

Graphics image quality

Maximum display resolutions supported by Ryzen 9 3900X and Core i5-12450H integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Ryzen 9 3900X and Core i5-12450H integrated GPUs, sometimes API versions are included.

DirectX-12.1
OpenGL-4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900X and Core i5-12450H.

PCIe versionno data4.0
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 3900X 20.53
+92.4%
i5-12450H 10.67

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 3900X 32613
+92.4%
i5-12450H 16947

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 3900X 6019
i5-12450H 8178
+35.9%

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 3900X 45539
+27.2%
i5-12450H 35790

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 3900X 14889
+30.2%
i5-12450H 11439

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.

Ryzen 9 3900X 2.69
+169%
i5-12450H 7.23

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 3900X 34
+111%
i5-12450H 16

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 3900X 3049
+131%
i5-12450H 1321

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 3900X 207
i5-12450H 238
+15%

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 3900X 2.36
i5-12450H 2.88
+22%

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 3900X 10.8
+34.4%
i5-12450H 8

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 3900X 7534
+25.3%
i5-12450H 6015

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 3900X 147
+93.5%
i5-12450H 76

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 3900X 268
i5-12450H 273
+1.9%

Geekbench 5.5 Multi-Core

Ryzen 9 3900X 10498
+45.6%
i5-12450H 7212

Blender(-)

Ryzen 9 3900X 162
i5-12450H 394
+143%

Geekbench 5.5 Single-Core

Ryzen 9 3900X 1250
i5-12450H 1638
+31%

7-Zip Single

Ryzen 9 3900X 5316
+3.3%
i5-12450H 5145

7-Zip

Ryzen 9 3900X 80935
+141%
i5-12450H 33584

WebXPRT 3

Ryzen 9 3900X 225
i5-12450H 285
+26.7%

Gaming performance

Pros & cons summary


Performance score 20.53 10.67
Physical cores 12 8
Threads 24 12
Power consumption (TDP) 105 Watt 45 Watt

Ryzen 9 3900X has a 92.4% higher aggregate performance score, and 50% more physical cores and 100% more threads.

i5-12450H, on the other hand, has 133.3% lower power consumption.

The Ryzen 9 3900X is our recommended choice as it beats the Core i5-12450H in performance tests.

Note that Ryzen 9 3900X is a desktop processor while Core i5-12450H is a notebook one.


Should you still have questions on choice between Ryzen 9 3900X and Core i5-12450H, 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 3900X
Ryzen 9 3900X
Intel Core i5-12450H
Core i5-12450H

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.7 5169 votes

Rate Ryzen 9 3900X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 5504 votes

Rate Core i5-12450H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 3900X or Core i5-12450H, agree or disagree with our judgements, or report an error or mismatch.