AMD Radeon RX 550 vs NVIDIA GRID A100A
Graphics Processor
| GPU model | Lexa | GA100 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | — |
| Architecture | GCN 4.0 | Ampere |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 7 nm |
| Number of transistors | 2,200 million | 54,200 million |
| Die size | 103 mm² | 826 mm² |
Graphics Card
| Release date | Apr 20th, 2017 | May 14th, 2020 |
|---|---|---|
| Generation | Polaris | GRID |
| Production | End-of-life | Active |
| Launch price | 79 USD | — |
| Interface | PCIe 3.0 x8 | PCIe 4.0 x16 |
| Predecessor | Arctic Islands | — |
| Successor | Vega | — |
Clocks
| Base clock | 1100 MHz | 900 MHz |
|---|---|---|
| Boost clock | 1183 MHz | 1005 MHz |
| Memory clock | 1750 MHz 7 Gbps effective | 1215 MHz 2.4 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 48 GB |
|---|---|---|
| Memory type | GDDR5 | HBM2E |
| Memory bus width | 128 bit | 6144 bit |
| Bandwidth | 112.0 GB/s | 1,866 GB/s |
Render Configuration
| Shading units | 512 | 6912 |
|---|---|---|
| TMUs | 32 | 432 |
| ROPs | 16 | 192 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | 192 KB (per SM) |
| Cache L2 | 512 KB | 48 MB |
| SM count | — | 108 |
| Tensor cores | — | 432 |
Performance
| Pixel rate | 18.93 GPixel/s | 193.0 GPixel/s |
|---|---|---|
| Texture rate | 37.86 GTexel/s | 434.2 GTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | 55.57 TFLOPS (4:1) |
| FP32 (float) performance | 1,211 GFLOPS | 13.89 TFLOPS |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | 6.947 TFLOPS (1:2) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 145 mm 5.7 inches | — |
| TDP | 50 W | 400 W |
| Suggested PSU | 250 W | 800 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | None | None |
| Board number | D090-01 | — |
API Support & Features
| DirectX | 12 (12_0) | — |
|---|---|---|
| OpenGL | 4.6 | — |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | — |
| CUDA | — | 8.0 |
