NVIDIA GeForce GTX 850A vs AMD Radeon 550
What is the difference between NVIDIA GeForce GTX 850A and AMD Radeon 550. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM107 | GPU Name | Lexa |
| N15P-GT-A1 | Model number | Lexa PRO (215-0904018) |
| Maxwell | Architecture | GCN 4.0 |
| TSMC | Foundry | GlobalFoundries |
| 28 nm | Process Size | 14 nm |
| 1,870 million | Transistors | 2,200 million |
| 148 mm² | Die Size | 103 mm² |
Graphics Card
| Mar 17th, 2014 | Release Date | Apr 20th, 2017 |
| GeForce 800A | Family | Polaris (RX 500) |
| End-of-life | Production | Active |
| GeForce 700A | Predecessor | Arctic Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 2 GB |
| DDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 64 bit |
| 28.80 GB/s | Bandwidth | 56.00 GB/s |
Performance
| 14.98 GPixel/s | Pixel fillrate | 18.93 GPixel/s |
| 37.44 GTexel/s | Texture fillrate | 37.86 GTexel/s |
| 1,198 GFLOPS | FP32 (float) performance | 1,211 GFLOPS |
| 37.44 GFLOPS (1:32) | FP64 (double) performance | 75.71 GFLOPS (1:16) |
Clock Speeds
| 902 MHz | Base Clock | 1100 MHz |
| 936 MHz | Boost Clock | 1183 MHz |
| 900 MHz 1800 Mbps effective | Memory Clock | 1750 MHz 7 Gbps effective |
Render Config
| 640 | Shading Units | 512 |
| 40 | TMUs | 32 |
| 16 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per CU) |
| 2 MB | L2 Cache | 256 KB |
Board Design
| IGP | Slot Width | Dual-slot |
| 45 W | Thermal design power (TDP) | 50 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 1x DisplayPort |
API support
| 12 (11_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.1 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.4 |