Ryzen 3 5300U vs Ryzen 9 3900X

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Aggregate performance score

Ryzen 9 3900X
2019
12 cores / 24 threads, 125 Watt
20.53
+236%
Ryzen 3 5300U
2021
4 cores / 8 threads, 15 Watt
6.11

Ryzen 9 3900X outperforms Ryzen 3 5300U by a whopping 236% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900X and Ryzen 3 5300U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2751095
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation21.78no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9AMD Lucienne (Zen 2, Ryzen 5000)
Power efficiency15.4638.35
Architecture codenameMatisse (Zen 2) (2019−2020)Lucienne-U (Zen 2) (2021)
Release date7 July 2019 (5 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$499no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 3900X and Ryzen 3 5300U 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)4 (Quad-Core)
Threads248
Base clock speed3.8 GHz2.6 GHz
Boost clock speed4.6 GHz3.8 GHz
Multiplierno data26
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)512K (per core)
L3 cache64 MB4 MB (shared)
Chip lithography7 nm, 12 nm7 nm
Die sizeno data156 mm2
Maximum core temperature95 °C105 °C
Number of transistors19,200 million9,800 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900X and Ryzen 3 5300U 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
SocketAM4FP6
Power consumption (TDP)125 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900X and Ryzen 3 5300U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900X and Ryzen 3 5300U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and Ryzen 3 5300U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Dual-channelDDR4
Maximum memory size128 GB64 GB
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1500 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900X and Ryzen 3 5300U.

PCIe versionno data3.0
PCI Express lanesno data12

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
+236%
Ryzen 3 5300U 6.11

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 32615
+236%
Ryzen 3 5300U 9700

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 3900X 1709
+40.7%
Ryzen 3 5300U 1215

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 3900X 9942
+175%
Ryzen 3 5300U 3612

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
+17.6%
Ryzen 3 5300U 5118

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
+106%
Ryzen 3 5300U 22139

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
+87.7%
Ryzen 3 5300U 7931

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
+265%
Ryzen 3 5300U 9

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
+237%
Ryzen 3 5300U 906

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
+21.8%
Ryzen 3 5300U 170

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
+24.9%
Ryzen 3 5300U 1.89

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
+111%
Ryzen 3 5300U 5.1

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
+195%
Ryzen 3 5300U 2551

Geekbench 5.5 Multi-Core

Ryzen 9 3900X 10498
+162%
Ryzen 3 5300U 4008

Blender(-)

Ryzen 9 3900X 162
Ryzen 3 5300U 544
+235%

Geekbench 5.5 Single-Core

Ryzen 9 3900X 1250
+16.8%
Ryzen 3 5300U 1070

7-Zip Single

Ryzen 9 3900X 5316
+34.2%
Ryzen 3 5300U 3960

7-Zip

Ryzen 9 3900X 80935
+268%
Ryzen 3 5300U 21971

WebXPRT 3

Ryzen 9 3900X 225
+20.1%
Ryzen 3 5300U 187

Gaming performance

Pros & cons summary


Performance score 20.53 6.11
Recency 7 July 2019 12 January 2021
Physical cores 12 4
Threads 24 8
Power consumption (TDP) 125 Watt 15 Watt

Ryzen 9 3900X has a 236% higher aggregate performance score, and 200% more physical cores and 200% more threads.

Ryzen 3 5300U, on the other hand, has an age advantage of 1 year, and 733.3% lower power consumption.

The Ryzen 9 3900X is our recommended choice as it beats the Ryzen 3 5300U in performance tests.

Note that Ryzen 9 3900X is a desktop processor while Ryzen 3 5300U is a notebook one.


Should you still have questions on choice between Ryzen 9 3900X and Ryzen 3 5300U, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900X
Ryzen 9 3900X
AMD Ryzen 3 5300U
Ryzen 3 5300U

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