RTX A400 vs FirePro M3900

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated420
Place by popularitynot in top-100not in top-100
Power efficiencyno data15.47
ArchitectureTeraScale 2 (2009−2015)Ampere (2020−2024)
GPU code nameSeymourGA107
Market segmentMobile workstationWorkstation
Release date19 October 2010 (14 years ago)16 April 2024 (less than a year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores160768
Core clock speed750 MHz727 MHz
Boost clock speed750 MHz1762 MHz
Number of transistors370 million8,700 million
Manufacturing process technology40 nm8 nm
Power consumption (TDP)20 Watt50 Watt
Texture fill rate6.00042.29
Floating-point processing power0.24 TFLOPS2.706 TFLOPS
ROPs416
TMUs824
Tensor Coresno data24
Ray Tracing Coresno data6

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus supportn/ano data
InterfacePCIe 2.0 x16PCIe 4.0 x8
Lengthno data163 mm
Widthno data1-slot
Form factorchip-downno data
Supplementary power connectorsno dataNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR6
Maximum RAM amount1 GB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed900 MHz1500 MHz
Memory bandwidth14 GB/s96 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs4x mini-DisplayPort 1.4a
Eyefinity+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 19 October 2010 16 April 2024
Maximum RAM amount 1 GB 4 GB
Chip lithography 40 nm 8 nm
Power consumption (TDP) 20 Watt 50 Watt

FirePro M3900 has 150% lower power consumption.

RTX A400, on the other hand, has an age advantage of 13 years, a 300% higher maximum VRAM amount, and a 400% more advanced lithography process.

We couldn't decide between FirePro M3900 and RTX A400. We've got no test results to judge.

Be aware that FirePro M3900 is a mobile workstation card while RTX A400 is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD FirePro M3900
FirePro M3900
NVIDIA RTX A400
RTX A400

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Community ratings

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3.8 8 votes

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2.9 15 votes

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Questions & comments

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