NVIDIA A40 PCIe vs NVIDIA Jetson Nano GPU
Graphics Processor
| GPU model | GA102 | GM20B |
|---|---|---|
| Architecture | Ampere | Maxwell 2.0 |
| Foundry | Samsung | TSMC |
| Manufacturing process | 8 nm | 20 nm |
| Number of transistors | 28,300 million | 2,000 million |
| Die size | 628 mm² | 118 mm² |
| GPU variant | — | TM660M-A2 |
Graphics Card
| Release date | Oct 5th, 2020 | — |
|---|---|---|
| gpu.details.availability | 2021 | — |
| Generation | Tesla | — |
| Production | Active | — |
| Interface | PCIe 4.0 x16 | — |
Clocks
| Base clock | 1305 MHz | 640 MHz |
|---|---|---|
| Boost clock | 1740 MHz | 921 MHz |
| Memory clock | 1812 MHz 14.5 Gbps effective | System Shared |
Memory Configuration
| Memory size | 48 GB | System Shared |
|---|---|---|
| Memory type | GDDR6 | System Shared |
| Memory bus width | 384 bit | System Shared |
| Bandwidth | 695.8 GB/s | System Dependent |
Render Configuration
| Shading units | 10752 | 128 |
|---|---|---|
| TMUs | 336 | 16 |
| ROPs | 112 | 16 |
| SM count | 84 | — |
| Tensor cores | 336 | — |
| RT cores | 84 | — |
| Cache L1 | 128 KB (per SM) | 48 KB (per SMM) |
| Cache L2 | 6 MB | 256 KB |
| SMM count | — | 1 |
Performance
| Pixel rate | 194.9 GPixel/s | 14.74 GPixel/s |
|---|---|---|
| Texture rate | 584.6 GTexel/s | 14.74 GTexel/s |
| FP16 (half) performance | 37.42 TFLOPS (1:1) | 471.6 GFLOPS (2:1) |
| FP32 (float) performance | 37.42 TFLOPS | 235.8 GFLOPS |
| FP64 (double) performance | 1,169 GFLOPS (1:32) | 7.368 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 267 mm 10.5 inches | 70 mm 2.8 inches |
| Width | 112 mm 4.4 inches | 45 mm 1.8 inches |
| TDP | 300 W | 10 W |
| Suggested PSU | 700 W | — |
| Outputs | 3x DisplayPort | No outputs |
| Power connectors | 8-pin EPS | — |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.2 | 1.1 |
| CUDA | 8.6 | 5.3 |
| Shader model | 6.6 | 6.4 |
Other Features
Integrated Graphics
| Release date | — | Mar 2019 |
|---|---|---|
| Generation | — | Tegra |
| Production | — | End-of-life |
| Interface | — | IGP |
