Ryzen 9 3900XT: specs and benchmarks

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Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
20.56

Ryzen 9 3900XT provides good benchmark performance at 20.56% of a leader's which is a 96-core EPYC 9655P.

Summary

AMD started Ryzen 9 3900XT sales 7 July 2020 at a recommended price of $499. This is a Matisse 2 architecture desktop processor primarily aimed at office systems. It has 12 cores and 24 threads, and is based on 7 nm, 12 nm manufacturing technology, with a max turbo frequency of 4700 MHz and an unlocked multiplier.

Compatibility-wise, this is AMD Socket AM4 processor with a TDP of 105 Watt and a maximum temperature of 95 °C. It supports DDR4-3200 memory.

Primary details

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

Place in the ranking268
Place by popularitynot in top-100
Cost-effectiveness evaluation26.23
Market segmentDesktop processor
SeriesAMD Ryzen 9
Power efficiency18.53of 100.00 (Core Ultra 7 164U)
Architecture codenameMatisse 2 (2020)
Release date7 July 2020 (4 years ago)
Launch price (MSRP)$499of 17,906 (Xeon Platinum 8280L)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores12 (Dodeca-Core)
Threads24
Base clock speed3.8 GHzof 4.7 GHz (Ryzen 9 7900X)
Boost clock speed4.7 GHzof 6.2 GHz (Core i9-14900KS)
L1 cache96K (per core)of 80 KB (EPYC 9965)
L2 cache512K (per core)of 2 MB (Xeon 6980P)
L3 cache64 MBof 1152 MB (EPYC 9684X)
Chip lithography7 nm, 12 nmof 3 nm (Core Ultra 9 285K)
Die size74 mm2
Maximum case temperature (TCase)95 °Cof 105 °C (Core i7-5950HQ)
Number of transistors3,800 millionof 135,240 million (EPYC 9684X)
64 bit support+
Windows 11 compatibility+
Unlocked multiplier+

Compatibility

Information on Ryzen 9 3900XT compatibility with other computer components and devices: 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 configuration1of 8 (Xeon Platinum 8454H)
SocketAM4
Power consumption (TDP)105 Wattof 500 Watt (Xeon 6960P)

Technologies and extensions

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

AES-NI+
AVX+
Precision Boost 2+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

AMD-V+

Memory specs

Types, maximum amount and channel number of RAM supported by Ryzen 9 3900XT's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR4-3200
Maximum memory size128 GBof 6 TiB (EPYC 9654)
Max memory channels2of 12 (Xeon Platinum 9221)
Maximum memory bandwidth51.196 GB/sof 460.8 GB/s (EPYC 9654)
ECC memory support+

Graphics specifications

General parameters of a GPU integrated into Ryzen 9 3900XT.

Integrated graphics card-

Peripherals

Specifications and connection types of supported peripherals.

PCIe version4.0of 5.0 (EPYC 9655P)

Benchmark performance

Single-core and multi-core benchmark results of Ryzen 9 3900XT. Overall benchmark performance 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

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 32666

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 3900XT 1741

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 3900XT 9919

Gaming performance

Closest competitors

Ryzen 9 3900XT's performance relative to its closest rivals among desktop CPUs.


Core i5-14600 103.36
Ryzen 9 3900XT 100

Intel equivalent

According to our data, the closest Intel alternative to Ryzen 9 3900XT is Core i9-10980XE, which is nearly equal in speed and higher by 3 positions in our ranking.

Here are some closest Intel rivals to Ryzen 9 3900XT:

Core i5-14600 103.36
Ryzen 9 3900XT 100

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

Recommended GPUs

People consider these graphics cards to be good for Ryzen 9 3900XT, according to our PC configuration statistics.

These are the fastest graphics cards for Ryzen 9 3900XT in our user configuration statistics. There is a total of 273 configurations using Ryzen 9 3900XT in our database.

All comparisons with Ryzen 9 3900XT

Community ratings

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.


4.7 421 vote

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Questions & comments

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