AMD Radeon RX 550 vs NVIDIA P106-100
Graphics Processor
| GPU model | Lexa | GP106 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | GP106-100-A1 |
| Architecture | GCN 4.0 | Pascal |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 16 nm |
| Number of transistors | 2,200 million | 4,400 million |
| Die size | 103 mm² | 200 mm² |
Graphics Card
| Release date | Apr 20th, 2017 | Jun 19th, 2017 |
|---|---|---|
| Generation | Polaris | Mining GPUs |
| Production | End-of-life | End-of-life |
| Launch price | 79 USD | — |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Predecessor | Arctic Islands | — |
| Successor | Vega | — |
Clocks
| Base clock | 1100 MHz | 1506 MHz |
|---|---|---|
| Boost clock | 1183 MHz | 1709 MHz |
| Memory clock | 1750 MHz 7 Gbps effective | 2002 MHz 8 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 6 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 112.0 GB/s | 192.2 GB/s |
Render Configuration
| Shading units | 512 | 1280 |
|---|---|---|
| TMUs | 32 | 80 |
| ROPs | 16 | 48 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
| Cache L2 | 512 KB | 1536 KB |
| SM count | — | 10 |
Performance
| Pixel rate | 18.93 GPixel/s | 82.03 GPixel/s |
|---|---|---|
| Texture rate | 37.86 GTexel/s | 136.7 GTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | 68.36 GFLOPS (1:64) |
| FP32 (float) performance | 1,211 GFLOPS | 4.375 TFLOPS |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | 136.7 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 145 mm 5.7 inches | 250 mm 9.8 inches |
| TDP | 50 W | 120 W |
| Suggested PSU | 250 W | 300 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | None | 1x 6-pin |
| Board number | D090-01 | PG410 SKU 100 |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.4 |
| CUDA | — | 6.1 |
