Ryzen 9 5900XT vs Ryzen 9 3900XT

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Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
20.56
Ryzen 9 5900XT
2024
16 cores / 32 threads, 105 Watt
27.91
+35.7%

Ryzen 9 5900XT outperforms Ryzen 9 3900XT by a substantial 36% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900XT and Ryzen 9 5900XT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking274170
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation26.0670.37
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 9no data
Power efficiency18.5325.16
Architecture codenameMatisse 2 (2020)Vermeer (2020−2024)
Release date7 July 2020 (4 years ago)31 July 2024 (less than a year ago)
Launch price (MSRP)$499$349

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5900XT has 170% better value for money than Ryzen 9 3900XT.

Detailed specifications

Ryzen 9 3900XT and Ryzen 9 5900XT 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)
Threads2432
Base clock speed3.8 GHz3.3 GHz
Boost clock speed4.7 GHz4.8 GHz
L1 cache96K (per core)64 KB (per core)
L2 cache512K (per core)512 KB (per core)
L3 cache64 MB64 MB
Chip lithography7 nm, 12 nm7 nm
Die size74 mm22x 74 mm2
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 million8,300 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Ryzen 9 3900XT and Ryzen 9 5900XT 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
SocketAM4AM4
Power consumption (TDP)105 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and Ryzen 9 5900XT. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900XT and Ryzen 9 5900XT are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900XT and Ryzen 9 5900XT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and Ryzen 9 5900XT.

PCIe version4.04.0
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 3900XT 20.56
Ryzen 9 5900XT 27.91
+35.7%

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 3900XT 32660
Ryzen 9 5900XT 44341
+35.8%

Gaming performance

Pros & cons summary


Performance score 20.56 27.91
Recency 7 July 2020 31 July 2024
Physical cores 12 16
Threads 24 32

Ryzen 9 5900XT has a 35.7% higher aggregate performance score, an age advantage of 4 years, and 33.3% more physical cores and 33.3% more threads.

The Ryzen 9 5900XT is our recommended choice as it beats the Ryzen 9 3900XT in performance tests.


Should you still have questions on choice between Ryzen 9 3900XT and Ryzen 9 5900XT, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900XT
Ryzen 9 3900XT
AMD Ryzen 9 5900XT
Ryzen 9 5900XT

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.


4.7 424 votes

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Questions & comments

Here you can ask a question about Ryzen 9 3900XT or Ryzen 9 5900XT, agree or disagree with our judgements, or report an error or mismatch.