NVIDIA GeForce 840A vs NVIDIA GeForce GT 340 OEM
What is the difference between NVIDIA GeForce 840A and NVIDIA GeForce GT 340 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | GT215 |
| Maxwell | Architecture | Tesla 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| unknown | Transistors | 727 million |
| unknown | Die Size | 144 mm² |
Graphics Card
| Mar 17th, 2014 | Release Date | Feb 2nd, 2010 |
| GeForce 800A | Family | GeForce 300 |
| 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 |
| DDR3 | Memory Type | GDDR3 |
| 64 bit | Memory Bus | 128 bit |
| 16.02 GB/s | Bandwidth | 27.20 GB/s |
Performance
| 8.992 GPixel/s | Pixel fillrate | 4.400 GPixel/s |
| 17.98 GTexel/s | Texture fillrate | 17.60 GTexel/s |
| 863.2 GFLOPS | FP32 (float) performance | 257.3 GFLOPS |
Clock Speeds
| 1001 MHz 2 Gbps effective | Memory Clock | 850 MHz 1700 Mbps effective |
Render Config
| 384 | Shading Units | 96 |
| 16 | TMUs | 32 |
| 8 | ROPs | 8 |
| 1024 KB | L2 Cache | 64 KB |
Board Design
| IGP | Slot Width | Single-slot |
| 33 W | Thermal design power (TDP) | 69 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 1x VGA |
API support
| 12 (11_0) | DirectX | 11.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 3.0 | OpenCL | 1.1 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |
| 5.0 | CUDA | 1.2 |