NVIDIA RTX A2000 Mobile vs NVIDIA RTX A4000 Mobile
Graphics Processor
| GPU model | GA106 | GA104 |
|---|---|---|
| Architecture | Ampere | Ampere |
| Foundry | Samsung | Samsung |
| Manufacturing process | 8 nm | 8 nm |
| Number of transistors | 13,250 million | 17,400 million |
| Die size | 276 mm² | 392 mm² |
Mobile graphics
| Release date | Apr 12th, 2021 | Apr 12th, 2021 |
|---|---|---|
| Generation | Quadro Mobile (Ax000) | Quadro Mobile (Ax000) |
| Production | Active | Active |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
Clocks
| Base clock | 893 MHz | 1140 MHz |
|---|---|---|
| Boost clock | 1358 MHz | 1680 MHz |
| Memory clock | 1375 MHz 11 Gbps effective | 1500 MHz 12 Gbps effective |
Memory Configuration
| Memory size | 4 GB | 8 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 176.0 GB/s | 384.0 GB/s |
Render Configuration
| Shading units | 2560 | 5120 |
|---|---|---|
| TMUs | 80 | 160 |
| ROPs | 48 | 80 |
| SM count | 20 | 40 |
| Tensor cores | 80 | 160 |
| RT cores | 20 | 40 |
| Cache L1 | 128 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 2 MB | 4 MB |
Performance
| Pixel rate | 65.18 GPixel/s | 134.4 GPixel/s |
|---|---|---|
| Texture rate | 108.6 GTexel/s | 268.8 GTexel/s |
| FP16 (half) performance | 6.953 TFLOPS (1:1) | 17.20 TFLOPS (1:1) |
| FP32 (float) performance | 6.953 TFLOPS | 17.20 TFLOPS |
| FP64 (double) performance | 108.6 GFLOPS (1:64) | 537.6 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | IGP | — |
|---|---|---|
| TDP | 95 W | 140 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 8.6 | 8.6 |
| Shader model | 6.6 | 6.6 |
