NVIDIA GeForce 940A vs ATI Mobility Radeon HD 4830
What is the difference between NVIDIA GeForce 940A and ATI Mobility Radeon HD 4830. Find out which graphics card has better performance.
Benchmarks
| 1145 | PassMark G3D | 512 |
| 348 | PassMark G2D | 285 |
Graphics Processor (GPU)
| GM108 | GPU Name | M97 |
| Maxwell | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| unknown | Transistors | 826 million |
| unknown | Die Size | 137 mm² |
Graphics Card
| Mar 13th, 2015 | Release Date | Mar 3rd, 2009 |
| GeForce 900A | Family | M9x (Mobility HD 4800) |
| Active | Production | End-of-life |
| GeForce 800A | Predecessor | M8x |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 1024 MB |
| DDR3 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 128 bit |
| 16.02 GB/s | Bandwidth | 44.80 GB/s |
Performance
| 9.408 GPixel/s | Pixel fillrate | 8.800 GPixel/s |
| 18.82 GTexel/s | Texture fillrate | 17.60 GTexel/s |
| 903.2 GFLOPS | FP32 (float) performance | 704.0 GFLOPS |
| 28.22 GFLOPS (1:32) | FP64 (double) performance | 140.8 GFLOPS (1:5) |
Clock Speeds
| 1001 MHz 2 Gbps effective | Memory Clock | 700 MHz 2.8 Gbps effective |
Render Config
| 384 | Shading Units | 640 |
| 16 | TMUs | 32 |
| 8 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per CU) |
| 1024 KB | L2 Cache | 128 KB |
Board Design
| 33 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 3.0 | OpenCL | 1.1 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |