NVIDIA GeForce GTX 1660 Ti Max-Q vs AMD Radeon R9 390 X2
What is the difference between NVIDIA GeForce GTX 1660 Ti Max-Q and AMD Radeon R9 390 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| TU116 | GPU Name | Grenada |
| Turing | Architecture | GCN 2.0 |
| TSMC | Foundry | TSMC |
| 12 nm | Process Size | 28 nm |
| 6,600 million | Transistors | 6,200 million |
| 284 mm² | Die Size | 438 mm² |
Graphics Card
| Apr 23rd, 2019 | Release Date | Sep 3rd, 2015 |
| GeForce 16 Mobile | Family | Pirate Islands (R9 300) |
| Active | Production | Active |
| GeForce 10 Mobile | Predecessor | Volcanic Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 6 GB | Memory Size | 8 GB x2 |
| GDDR6 | Memory Type | GDDR5 |
| 192 bit | Memory Bus | 512 bit x2 |
Clock Speeds
| 1500 MHz 12 Gbps effective | Memory Clock | 1350 MHz 5.4 Gbps effective |
Render Config
| 96 | TMUs | 160 x2 |
| 48 | ROPs | 64 x2 |
Board Design
| unknown | Thermal design power (TDP) | 580 W |
| No outputs | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | 4x 8-pin |
| E4914 SKU 50 | Board Number | C671 |
API support
| 12 (12_1) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.6 | Shader Model | 6.3 |