RTX A400: specs and benchmarks

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Aggregate performance score

RTX A400 provides acceptable gaming and benchmark performance at 13.55% of a leader's which is RTX PRO 5000 Blackwell.

Summary

NVIDIA started RTX A400 sales 16 April 2024. This is an Ampere architecture desktop card based on 8 nm manufacturing process and primarily aimed at designers. 4 GB of GDDR6 memory clocked at 1.5 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 96 GB/s.

Compatibility-wise, this is a single-slot graphics card attached via PCIe 4.0 x8 interface. Its manufacturer default version has a length of 163 mm. No additional power connector is required, and power consumption is at 50 Watt.

Primary details

Some basic facts about RTX A400: architecture, market segment, release date etc.

Place in the ranking391
Place by popularitynot in top-100
Power efficiency21.80of 100.00 (Radeon 890M)
ArchitectureAmpere (2020−2025)
GPU code nameGA107
Market segmentWorkstation
Release date16 April 2024 (1 year ago)

Detailed specifications

RTX A400's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of RTX A400's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores768of 960 (GeForce GTX 660)
Core clock speed727 MHzof 980 (GeForce GT 755M SLI)
Boost clock speed1762 MHzof 1000 (HD Graphics (Haswell))
Number of transistors8,700 millionof 100,000 million (Data Center GPU Max 1100)
Manufacturing process technology8 nmof 0.003 MB (Arc Graphics 140V)
Power consumption (TDP)50 Wattof 235 (FirePro S9150)
Texture fill rate42.29of 1,968 (RTX PRO 6000 Blackwell)
Floating-point processing power2.706 TFLOPSof 126 (RTX PRO 6000 Blackwell)
ROPs16of 512 (Moore Threads MTT S4000)
TMUs24of 896 (Data Center GPU Max 1350)
Tensor Cores24of 896 (Data Center GPU Max 1350)
Ray Tracing Cores6of 188 (RTX PRO 6000 Blackwell)

Form factor & compatibility

This section provides details about the physical dimensions of RTX A400 and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).

InterfacePCIe 4.0 x8
Length163 mm
Width1-slot
Supplementary power connectorsNone

VRAM capacity and type

Parameters of memory installed on RTX A400: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.

Memory typeGDDR6
Maximum RAM amount4 GBof 288 GB (Radeon Instinct MI325X)
Memory bus width64 Bitof 384 (GeForce GTX 980 Ti)
Memory clock speed1500 MHzof 16384000 MB (GeForce RTX 4050 Mobile)
Memory bandwidth96 GB/sof 983040 MB (GeForce RTX 5080)
Resizable BAR+

Connectivity and outputs

Types and number of video connectors present on RTX A400. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.

Display Connectors4x mini-DisplayPort 1.4a

API and SDK support

APIs supported by RTX A400, sometimes including their particular versions.

DirectX12 Ultimate (12_2)
Shader Model6.7
OpenGL4.6
OpenCL3.0
Vulkan1.3
CUDA8.6
DLSS+

Benchmark performance

Synthetic benchmark performance of RTX A400. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score.

RTX A400
13.55

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RTX A400 5990
Samples: 240

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

RTX A400 23047

GeekBench 5 Vulkan

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.

RTX A400 21790

Gaming performance

Let's see how good RTX A400 is for gaming. Particular gaming benchmark results are measured in frames per second. Comparisons with game system requirements are included, but remember that sometimes official requirements may reflect reality inaccurately.

Closest competitors

RTX A400's performance relative to its closest rivals among server graphics cards.


Tesla M6 103.91
Quadro K5200 103.25
FirePro W9000 102.73
RTX A400 100

AMD equivalent

According to our data, the closest AMD alternative to RTX A400 is FirePro W9000, which is faster by 3% and higher by 6 positions in our ranking.

Here are some closest AMD rivals to RTX A400:

FirePro W8100 111.88
FirePro W9000 102.73
RTX A400 100

Similar GPUs

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

Recommended processors

These processors are most commonly used with RTX A400 according to our statistics.

All comparisons with RTX A400

Community ratings

Here you can see the user rating of the graphics card, as well as rate it yourself.


2.7 38 votes

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Comments

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