NVIDIA RTX A40: specs and benchmarks
- Interface PCIe 4.0 x16
- Core clock speed
- Max video memory 48 GB
- Memory type GDDR6
- Memory clock speed 14.5 Gbps
- Maximum resolution
Summary
NVIDIA started RTX A40 sales 5 October 2020. This is Ampere architecture desktop card based on 8 nm manufacturing process and primarily aimed at gamers. 48 GB of GDDR6 memory clocked at 14.5 GB/s are supplied, and together with 384 Bit memory interface this creates a bandwidth of 695.8 GB/s.
Compatibility-wise, this is dual-slot card attached via PCIe 4.0 x16 interface. Its manufacturer default version has a length of 267 mm. 8-pin EPS power connector is required, and power consumption is at 300 Watt.
We have no data on RTX A40 benchmark results.
General info
Of RTX A40's architecture, market segment and release date.
| Place in performance rating | not rated | |
| Architecture | Ampere (2020−2022) | |
| GPU code name | GA102 | |
| Market segment | Desktop | |
| Release date | 5 October 2020 (1 year ago) | |
| Price now | $1159 | of 49999 (A100 SXM4) |
Technical specs
RTX A40's general performance parameters such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of RTX A40's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 10752 | of 18432 (AD102) |
| Boost clock speed | 1755 MHz | of 2903 (Radeon Pro W6600) |
| Number of transistors | 28,300 million | of 14400 (GeForce GTX 1080 SLI Mobile) |
| Manufacturing process technology | 8 nm | of 4 (H100 PCIe) |
| Thermal design power (TDP) | 300 Watt | of 900 (Tesla S2050) |
| Texture fill rate | 589.7 | of 939.8 (H100 SXM5) |
Compatibility, dimensions and requirements
Information on RTX A40's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 4.0 x16 | |
| Length | 267 mm | |
| Width | 2-slot | |
| Supplementary power connectors | 8-pin EPS |
Memory
Parameters of memory installed on RTX A40: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
| Memory type | GDDR6 | |
| Maximum RAM amount | 48 GB | of 128 (Radeon Instinct MI250X) |
| Memory bus width | 384 Bit | of 8192 (Radeon Instinct MI250X) |
| Memory clock speed | 14.5 GB/s | of 19500 (GeForce RTX 3090) |
| Memory bandwidth | 695.8 GB/s | of 14400 (Radeon R7 M260) |
Video outputs and ports
Types and number of video connectors present on RTX A40. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
| Display Connectors | 3x DisplayPort |
API support
APIs supported by RTX A40, sometimes including their particular versions.
| DirectX | 12 Ultimate (12_2) | |
| Shader Model | 6.5 | |
| OpenGL | 4.6 | |
| OpenCL | 2.0 | |
| Vulkan | 1.2 | |
| CUDA | 8.6 |
AMD equivalent
We believe that the nearest equivalent to RTX A40 from AMD is Radeon RX 6950 XT.
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 A40 according to our statistics.
