| Product | NVIDIA® A40 GPU Computing Accelerator - 48GB GDDR6 - PCIe 4.0 x16 - Passive Cooling (w/o CEC) | NVIDIA® RTX A2000 - 12GB GDDR6 - PCIe 4.0 x16 - Active Cooling (4x mDP) | NVIDIA® RTX A6000 - 48GB GDDR6 - PCIe 4.0 x16 - Active Cooling (4xDP) |
| Action | Select | Select | Select |
| Main Specifications | |||
| Product Series | Nvidia A40 | ||
| Core Type | NVIDIA TENSOR | ||
| Host Interface | PCI Express 4.0 x16 | PCI Express 4.0 x16 | PCI Express 4.0 x16 |
| GPU Architecture | Ampere | ||
| Product Type | Workstation | Workstation | |
| Product Line | NVIDIA Professional Graphics | NVIDIA Professional Graphics | |
| Memory Technology | GDDR6 with ECC | GDDR6 | |
| Memory Capacity | 12 GB GDDR6 with ECC | 48 GB | |
| Max Displays | 4 Displays | ||
| Detailed Specifications | |||
| Streaming Processor Cores | 10752 CUDA Cores | 3328 CUDA Cores | 10752 Shading Units |
| NVIDIA Tensor Cores | 336 Tensor Cores | 104 | 336 |
| NVIDIA RT Cores | 84 RT Cores | 26 | 84 |
| Memory Clock Speed | 6001 MHz | 2000 MHz 16 Gbps effective | |
| Memory Interface | 384-bit | 192-bit | 384-bit |
| Memory Speeds (GT/s) | 14.5Gbps GDDR6 | ||
| Max Memory Size | 48 GB GDDR6 with error-correcting code (ECC) | ||
| Max Memory Bandwidth | 696 GB/s | ||
| Total NVLink Bandwidth | NVIDIA NVLink 112.5 GB/s (bidirectional) PCIe Gen4 16 GB/s | ||
| Tensor Performance | 63.9 TFLOPS | ||
| NVIDIA CUDA™ Technology | Yes | ||
| Transistor Count | 13.25 Billion | 28.3 Billion | |
| DisplayPort Connectors | 3x DisplayPort 1.4 A40 is configured for virtualization by default with physical display connectors disabled. The display outputs can be enabled via management software tools. | ||
| Cooling | Passive | ||
| Dual Slot | 2-slot Low-profile | ||
| Dimensions | 4.4" (H) x 10.5" (L) | 2.713" H x 6.6" L | 4.4" (H) x 10.5" (L) |
| Lithography | Samsung 8nm | 8nm | Samsung 8nm |
| Supplementary Power Connectors | 1x 8-pin CPU (EPS12V) | 1x 8-pin EPS | |
| Max Graphics Card Power (W) | 300W | 70W | 300W |
| Processor | Ampere | Ampere (GA102) | |
| Memory Bandwidth | 288 GB/sec | 768 GB/s | |
| Core Clock Speed | 1455 MHz Base Clock 1860 MHz Boost Clock | ||
| L2 Cache Size | 6 MB | ||
| API Support | CUDA 8.5, OpenCL 2.0 Shader Model 6.5, OpenGL 4.6, DirectX 12 Ultimate (12_2), Vulkan 1.2 | ||
| Texture Fill Rate | 625 GTexel/s | ||
| Graphics Resolution | 2x 7680 x 4320 at 60 Hz | 7680 x 4320 x36 bpp at 60 Hz | |
| Peak Double Precision FP64 Performance | 1,250 GFLOPS (1:32) | ||
| Peak Single Precision FP32 Performance | 8.0 TFLOPS | 38.7 TFLOPS | |
| Peak Half Precision FP16 Performance | 40.00 TFLOPS (1:1) | ||
| Multi-GPU Scalability | NVLINK 2-way low profile (2-slot and 3-slot bridges) connects 2x NVIDIA RTX A6000 | ||
| NVLink Interconnect | 112.5 GB/s (bidirectional) | ||
| RT Core Performance | 15.6 TLOPS | ||
| VR Ready | Yes | ||
| Vulkan API | 1.2 | ||
| DisplayPort Output | 4x DisplayPort 1.4a | ||
| Mini DisplayPort Output | 4x mDP Latching | ||
| Minimum Recommended Power, Single Card (W) | 700W | ||
| Minimum Recommended Power, 2-Way (W) | 850 | ||
| Minimum Recommended Power, 3-Way (W) | 1000 | ||
| Minimum Recommended Power, 4-Way (W) | 1200 | ||
| Thermal Solution | Active Heatsink | Active Heatsink | |
| Slot Height | 2-Slot | 2-Slot | |
| Action | Select | Select | Select |