i5-12400F vs Ryzen 9 3900

VS

Aggregate performance score

Ryzen 9 3900
2019
12 cores / 24 threads, 65 Watt
19.34
+57.4%
Core i5-12400F
2022
6 cores / 12 threads, 65 Watt
12.29

Ryzen 9 3900 outperforms Core i5-12400F by an impressive 57% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900 and Core i5-12400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking298631
Place by popularitynot in top-1002
Cost-effectiveness evaluation20.7046.25
Market segmentDesktop processorDesktop processor
SeriesAMD Matisse (Ryzen 3000 Desktop)no data
Power efficiency28.1617.89
Architecture codenameMatisse (Zen 2) (2019−2020)Alder Lake-S (2022)
Release date24 September 2019 (5 years ago)4 January 2022 (2 years ago)
Launch price (MSRP)$499$180

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-12400F has 123% better value for money than Ryzen 9 3900.

Detailed specifications

Ryzen 9 3900 and Core i5-12400F 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)6 (Hexa-Core)
Performance-coresno data6
Threads2412
Base clock speed3.1 GHz2.5 GHz
Boost clock speed4.3 GHz4.4 GHz
L1 cache64 KB (per core)80K (per core)
L2 cache512 KB (per core)1.25 MB (per core)
L3 cache64 MB18 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die size2x 74 mm2163 mm2
Maximum core temperatureno data100 °C
Number of transistors7,600 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900 and Core i5-12400F 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
SocketAM4FCLGA1700
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Core i5-12400F. 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++
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 9 3900 and Core i5-12400F 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 3900 and Core i5-12400F 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 3900 and Core i5-12400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-4800, DDR4-3200
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 cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Core i5-12400F.

PCIe version4.05.0 and 4.0
PCI Express lanes2420

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 3900 19.34
+57.4%
i5-12400F 12.29

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 3900 30723
+57.4%
i5-12400F 19518

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 9 3900 1678
i5-12400F 2218
+32.2%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 9 3900 9543
+4.9%
i5-12400F 9100

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 3900 5700
i5-12400F 8389
+47.2%

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 3900 44191
+8.6%
i5-12400F 40690

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 3900 13817
+16.2%
i5-12400F 11892

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 3900 31
+51.8%
i5-12400F 20

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 3900 2804
+59.4%
i5-12400F 1759

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 3900 197
i5-12400F 244
+23.9%

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 3900 2.22
i5-12400F 2.95
+32.9%

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 3900 10.4
+11.8%
i5-12400F 9.3

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 3900 7145
i5-12400F 7816
+9.4%

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 3900 132
+30.1%
i5-12400F 101

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 3900 256
+1.2%
i5-12400F 253

Geekbench 5.5 Multi-Core

Ryzen 9 3900 10190
+7.1%
i5-12400F 9517

Blender(-)

Ryzen 9 3900 179
i5-12400F 269
+50.3%

Geekbench 5.5 Single-Core

Ryzen 9 3900 1246
i5-12400F 1742
+39.8%

7-Zip Single

Ryzen 9 3900 5134
i5-12400F 5476
+6.7%

7-Zip

Ryzen 9 3900 75612
+67.9%
i5-12400F 45043

WebXPRT 3

Ryzen 9 3900 227
i5-12400F 272
+19.8%

Gaming performance

Pros & cons summary


Performance score 19.34 12.29
Recency 24 September 2019 4 January 2022
Physical cores 12 6
Threads 24 12

Ryzen 9 3900 has a 57.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i5-12400F, on the other hand, has an age advantage of 2 years.

The Ryzen 9 3900 is our recommended choice as it beats the Core i5-12400F in performance tests.


Should you still have questions on choice between Ryzen 9 3900 and Core i5-12400F, 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 3900
Ryzen 9 3900
Intel Core i5-12400F
Core i5-12400F

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.


4.6 629 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 14066 votes

Rate Core i5-12400F on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 3900 or Core i5-12400F, agree or disagree with our judgements, or report an error or mismatch.