NVIDIA GeForce 840A vs NVIDIA GeForce GTX 460 X2
What is the difference between NVIDIA GeForce 840A and NVIDIA GeForce GTX 460 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | GF104 |
| Maxwell | Architecture | Fermi |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| unknown | Transistors | 1,950 million |
| unknown | Die Size | 332 mm² |
Graphics Card
| Mar 17th, 2014 | Release Date | Mar 11th, 2011 |
| GeForce 800A | Family | GeForce 400 |
| End-of-life | Production | End-of-life |
| GeForce 700A | Predecessor | GeForce 200 |
| 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
| 1001 MHz 2 Gbps effective | Memory Clock | 900 MHz 3.6 Gbps effective |
Render Config
| 16 | TMUs | 56 x2 |
| 8 | ROPs | 32 x2 |
Board Design
| 33 W | Thermal design power (TDP) | 160 W |
| No outputs | Display Connectors | 3x DVI 1x mini-HDMI |
API support
| 12 (11_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 1.1 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 5.1 |
| 5.0 | CUDA | 2.1 |