AMD Radeon 550X 640SP vs NVIDIA Quadro P620
What is the difference between AMD Radeon 550X 640SP and NVIDIA Quadro P620. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Lexa | GPU Name | GP107 |
| GCN 4.0 | Architecture | Pascal |
| GlobalFoundries | Foundry | Samsung |
| 14 nm | Process Size | 14 nm |
| 2,200 million | Transistors | 3,300 million |
| 103 mm² | Die Size | 132 mm² |
Graphics Card
| Apr 11th, 2018 | Release Date | Feb 1st, 2018 |
| Polaris (RX 500X) | Family | Quadro (Px200) |
| Active | Production | Active |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 48.00 GB/s | Bandwidth | 80.13 GB/s |
Performance
| 17.14 GPixel/s | Pixel fillrate | 21.66 GPixel/s |
| 42.84 GTexel/s | Texture fillrate | 43.33 GTexel/s |
| 1,371 GFLOPS (1:1) | FP16 (half) performance | 21.66 GFLOPS (1:64) |
| 1,371 GFLOPS | FP32 (float) performance | 1,386 GFLOPS |
| 85.68 GFLOPS (1:16) | FP64 (double) performance | 43.33 GFLOPS (1:32) |
Clock Speeds
| 1019 MHz | Base Clock | 1266 MHz |
| 1071 MHz | Boost Clock | 1354 MHz |
| 1500 MHz 6 Gbps effective | Memory Clock | 1252 MHz 5 Gbps effective |
Render Config
| 640 | Shading Units | 512 |
| 40 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 48 KB (per SM) |
| 256 KB | L2 Cache | 1024 KB |
Board Design
| IGP | Slot Width | Single-slot |
| 50 W | Thermal design power (TDP) | 40 W |
| 250 W | Suggested PSU | 200 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 4x mini-DisplayPort |
| None | Power Connectors | None |
API support
| 12 (12_0) | DirectX | 12 (12_1) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 6.4 |