NVIDIA GeForce 820A vs ATI FireGL V7700
What is the difference between NVIDIA GeForce 820A and ATI FireGL V7700. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF117 | GPU Name | RV670 |
| N15V-GM | Model number | RV670 GL |
| Fermi 2.0 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 585 million | Transistors | 666 million |
| 116 mm² | Die Size | 192 mm² |
Graphics Card
| Mar 17th, 2014 | Release Date | Nov 19th, 2007 |
| GeForce 800A | Family | FireGL (Vx700) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 512 MB |
| DDR3 | Memory Type | GDDR4 |
| 64 bit | Memory Bus | 256 bit |
| 14.40 GB/s | Bandwidth | 72.06 GB/s |
Performance
| 3.100 GPixel/s | Pixel fillrate | 12.43 GPixel/s |
| 12.40 GTexel/s | Texture fillrate | 12.43 GTexel/s |
| 297.6 GFLOPS | FP32 (float) performance | 497.3 GFLOPS |
| 24.80 GFLOPS (1:12) | FP64 (double) performance | 99.46 GFLOPS (1:5) |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 1126 MHz 2.3 Gbps effective |
| 775 MHz | GPU Clock | 777 MHz |
Render Config
| 96 | Shading Units | 320 |
| 16 | TMUs | 16 |
| 8 | ROPs | 16 |
| 128 KB | L2 Cache | 256 KB |
Board Design
| 15 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | 1x DVI 1x DisplayPort 1x S-Video |
API support
| 12 (11_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 (full) 4.0 (partial) |
| 1.1 | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |