AMD Radeon HD 6790 vs NVIDIA T400
What is the difference between AMD Radeon HD 6790 and NVIDIA T400. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Barts | GPU Name | TU117 |
| TeraScale 2 | Architecture | Turing |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 12 nm |
| 1,700 million | Transistors | 4,700 million |
| 255 mm² | Die Size | 200 mm² |
Graphics Card
| Apr 4th, 2011 | Release Date | May 6th, 2021 |
| Northern Islands (HD 6700) | Family | Quadro (Tx000) |
| End-of-life | Production | Active |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR6 |
| 256 bit | Memory Bus | 64 bit |
| 134.4 GB/s | Bandwidth | 80.00 GB/s |
Performance
| 13.44 GPixel/s | Pixel fillrate | 22.80 GPixel/s |
| 33.60 GTexel/s | Texture fillrate | 34.20 GTexel/s |
| 1,344 GFLOPS | FP32 (float) performance | 1,094 GFLOPS |
Clock Speeds
| 1050 MHz 4.2 Gbps effective | Memory Clock | 1250 MHz 10 Gbps effective |
Render Config
| 800 | Shading Units | 384 |
| 40 | TMUs | 24 |
| 16 | ROPs | 16 |
| 8 KB (per CU) | L1 Cache | 64 KB (per SM) |
| 512 KB | L2 Cache | 1024 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 150 W | Thermal design power (TDP) | 30 W |
| 450 W | Suggested PSU | 200 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 3x mini-DisplayPort |
| 2x 6-pin | Power Connectors | None |
API support
| 11.2 (11_0) | DirectX | 12 (12_1) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 6.6 |