AMD Ryzen 9 PRO 3900 vs AMD Ryzen 9 3900XT

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CPU comparison with benchmarks


AMD Ryzen 9 PRO 3900 CPU1 vs CPU2 AMD Ryzen 9 3900XT
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 3900XT

CPU comparison

AMD Ryzen 9 PRO 3900 or AMD Ryzen 9 3900XT - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Ryzen 9 PRO 3900 has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 PRO 3900 was released in Q3/2019.

The AMD Ryzen 9 3900XT has 12 cores with 24 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3900XT was released in Q2/2020.
AMD Ryzen 9 PRO (3) Family AMD Ryzen 9 (34)
AMD Ryzen 3000 (15) CPU group AMD Ryzen 3000 (15)
3 Generation 3
Matisse (Zen 2) Architecture Matisse (Zen 2)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 9 PRO 3900 is a 12 core processor with a clock frequency of 3.10 GHz (4.30 GHz). The AMD Ryzen 9 3900XT has 12 CPU cores with a clock frequency of 4.10 GHz (4.70 GHz).

AMD Ryzen 9 PRO 3900 Characteristic AMD Ryzen 9 3900XT
12 Cores 12
24 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.10 GHz Frequency 4.10 GHz
4.30 GHz Turbo Frequency (1 Core) 4.70 GHz
-- Turbo Frequency (All Cores) 4.60 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Ryzen 9 PRO 3900 Characteristic AMD Ryzen 9 3900XT
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The AMD Ryzen 9 PRO 3900 supports a maximum of 128 GB of memory in 2 memory channels. The AMD Ryzen 9 3900XT can connect up to 128 GB of memory in 2 memory channels.

AMD Ryzen 9 PRO 3900 Characteristic AMD Ryzen 9 3900XT
DDR4-3200 Memory DDR4-3200
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache --
64.00 MB L3 Cache 64.00 MB
4.0 PCIe version 4.0
20 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 PRO 3900 has a TDP of 65 W, that of the AMD Ryzen 9 3900XT is 105 W.

AMD Ryzen 9 PRO 3900 Characteristic AMD Ryzen 9 3900XT
65 W TDP (PL1 / PBP) 105 W
-- TDP (PL2) 142 W
-- TDP up --
-- TDP down --
95 °C Tjunction max. 95 °C

Technical details

The AMD Ryzen 9 PRO 3900 has a 64.00 MB cache, while the AMD Ryzen 9 3900XT cache has a total of 64.00 MB.

AMD Ryzen 9 PRO 3900 Characteristic AMD Ryzen 9 3900XT
7 nm Technology 7 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
AM4 (PGA 1331) Socket AM4 (PGA 1331)
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2019 Release date Q2/2020
485 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz
1194 (84%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz
1414 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
10974 (85%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz
12974 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz
1688 (98%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz
1719 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
10522 (98%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz
10689 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
31440 (96%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz
32790 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz
78 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz
1074 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz
1354 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz
18511 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz
539 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz
7244 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
234 (100%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.10 GHz
8118 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 4.30 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.70 GHz
219 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 PRO 3900 AMD Ryzen 9 PRO 3900
12C 24T @ 3.10 GHz
0 (0%)
AMD Ryzen 9 3900XT AMD Ryzen 9 3900XT
12C 24T @ 4.60 GHz
3192 (100%)

Devices using this processor

AMD Ryzen 9 PRO 3900 AMD Ryzen 9 3900XT
Unknown Unknown

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