NVIDIA GeForce GTX 960A vs AMD Radeon 550X 640SP
What is the difference between NVIDIA GeForce GTX 960A and AMD Radeon 550X 640SP. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM107 | GPU Name | Lexa |
| N16P-GX-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 13th, 2015 | Release Date | Apr 11th, 2018 |
| GeForce 900A | Family | Polaris (RX 500X) |
| Active | Production | Active |
| GeForce 800A | Predecessor | Polaris |
| MXM-B (3.0) | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 64 bit |
| 80.19 GB/s | Bandwidth | 48.00 GB/s |
Performance
| 17.36 GPixel/s | Pixel fillrate | 17.14 GPixel/s |
| 43.40 GTexel/s | Texture fillrate | 42.84 GTexel/s |
| 1,389 GFLOPS | FP32 (float) performance | 1,371 GFLOPS |
| 43.40 GFLOPS (1:32) | FP64 (double) performance | 85.68 GFLOPS (1:16) |
Clock Speeds
| 1029 MHz | Base Clock | 1019 MHz |
| 1085 MHz | Boost Clock | 1071 MHz |
| 1253 MHz 5 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 640 | Shading Units | 640 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per CU) |
| 2 MB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | IGP |
| 75 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 |