NVIDIA GeForce 945A vs ATI Mobility Radeon HD 5870
What is the difference between NVIDIA GeForce 945A and ATI Mobility Radeon HD 5870. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | Broadway |
| Maxwell | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| unknown | Transistors | 1,040 million |
| unknown | Die Size | 166 mm² |
Graphics Card
| Mar 13th, 2015 | Release Date | Jan 7th, 2010 |
| GeForce 900A | Family | Manhattan (Mobility HD 5800) |
| Active | Production | End-of-life |
| GeForce 800A | Predecessor | M9x |
| PCIe 3.0 x8 | Bus Interface | MXM-B (3.0) |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 40.10 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 9.512 GPixel/s | Pixel fillrate | 11.20 GPixel/s |
| 28.54 GTexel/s | Texture fillrate | 28.00 GTexel/s |
| 913.2 GFLOPS | FP32 (float) performance | 1,120 GFLOPS |
Clock Speeds
| 1253 MHz 5 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
Render Config
| 384 | Shading Units | 800 |
| 24 | TMUs | 40 |
| 8 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 8 KB (per CU) |
| 1024 KB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | MXM Module |
| 33 W | Thermal design power (TDP) | 50 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 5.0 |