NVIDIA GeForce 830A vs ATI Radeon HD 4870 X2
What is the difference between NVIDIA GeForce 830A and ATI Radeon HD 4870 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | R700 |
| Maxwell | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| unknown | Transistors | 956 million |
| unknown | Die Size | 256 mm² |
Graphics Card
| Jul 22nd, 2014 | Release Date | Aug 12th, 2008 |
| GeForce 800A | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| GeForce 700A | Predecessor | Radeon R600 |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 1024 MB x2 |
| DDR3 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 256 bit x2 |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 900 MHz 3.6 Gbps effective |
Render Config
| 16 | TMUs | 40 x2 |
| 8 | ROPs | 16 x2 |
Board Design
| 33 W | Thermal design power (TDP) | 286 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
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 |