RTX A400: specs and benchmarks
Aggregate performance score
RTX A400 provides acceptable gaming and benchmark performance at 13.01% of a leader's which is GeForce RTX 4090.
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 ranking | 390 | |
| Place by popularity | not in top-100 | |
| Power efficiency | 17.85 | of 100.00 (Radeon 890M) |
| Architecture | Ampere (2020−2024) | |
| GPU code name | GA107 | |
| Market segment | Workstation | |
| Release date | 16 April 2024 (less than a 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 cores | 768 | of 21760 (GeForce RTX 5090) |
| Core clock speed | 727 MHz | of 2670 MHz (Arc B580) |
| Boost clock speed | 1762 MHz | of 3599 MHz (Radeon RX 7990 XTX) |
| Number of transistors | 8,700 million | of 208,000 million (B200 SXM 192 GB) |
| Manufacturing process technology | 8 nm | of 3 nm (Arc Graphics 140V) |
| Power consumption (TDP) | 50 Watt | of 2400 Watt (Data Center GPU Max Subsystem) |
| Texture fill rate | 42.29 | of 2,554 (Radeon Instinct MI300X) |
| Floating-point processing power | 2.706 TFLOPS | of 109.7 (GeForce RTX 5090) |
| ROPs | 16 | of 192 (Radeon RX 7900 XTX) |
| TMUs | 24 | of 1280 (Data Center GPU Max NEXT) |
| Tensor Cores | 24 | of 1216 (Radeon Instinct MI300X) |
| Ray Tracing Cores | 6 | of 170 (GeForce RTX 5090) |
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).
| Interface | PCIe 4.0 x8 | |
| Length | 163 mm | |
| Width | 1-slot | |
| Supplementary power connectors | None |
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 type | GDDR6 | |
| Maximum RAM amount | 4 GB | of 294912 (Radeon Instinct MI325X) |
| Memory bus width | 64 Bit | of 8192 Bit (Radeon Instinct MI250X) |
| Memory clock speed | 1500 MHz | of 20000 (RTX 5000 Ada Generation Mobile) |
| Memory bandwidth | 96 GB/s | of 5,171 GB/s (Radeon Instinct MI300X) |
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 Connectors | 4x mini-DisplayPort 1.4a |
API compatibility
APIs supported by RTX A400, sometimes including their particular versions.
| DirectX | 12 Ultimate (12_2) | |
| Shader Model | 6.7 | |
| OpenGL | 4.6 | |
| OpenCL | 3.0 | |
| Vulkan | 1.3 | |
| CUDA | 8.6 |
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. 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.
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.
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.
Send your test results of RTX A400.
AMD equivalent
According to our data, the closest AMD alternative to RTX A400 is Radeon Instinct MI25, which is slower by 1% and lower by 2 positions in our ranking.
Here are some closest AMD rivals to RTX A400:
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.
