AMD Radeon RX 560 vs NVIDIA GeForce GTX 660 Rev. 2
What is the difference between AMD Radeon RX 560 and NVIDIA GeForce GTX 660 Rev. 2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Polaris 21 | GPU Name | GK104 |
| GCN 4.0 | Architecture | Kepler |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 3,000 million | Transistors | 3,540 million |
| 123 mm² | Die Size | 294 mm² |
Graphics Card
| Apr 18th, 2017 | Release Date | Sep 13th, 2014 |
| Polaris (RX 500) | Family | GeForce 600 |
| Active | Production | End-of-life |
| Arctic Islands | Predecessor | GeForce 500 |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 192 bit |
| 112.0 GB/s | Bandwidth | 144.2 GB/s |
Performance
| 20.40 GPixel/s | Pixel fillrate | 20.64 GPixel/s |
| 81.60 GTexel/s | Texture fillrate | 82.56 GTexel/s |
| 2.611 TFLOPS | FP32 (float) performance | 1.981 TFLOPS |
| 163.2 GFLOPS (1:16) | FP64 (double) performance | 82.56 GFLOPS (1:24) |
Clock Speeds
| 1175 MHz | Base Clock | 980 MHz |
| 1275 MHz | Boost Clock | 1032 MHz |
| 1750 MHz 7 Gbps effective | Memory Clock | 1502 MHz 6 Gbps effective |
Render Config
| 1024 | Shading Units | 960 |
| 64 | TMUs | 80 |
| 16 | ROPs | 24 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 1024 KB | L2 Cache | 384 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 170 mm 6.7 inches | Length | 241 mm 9.5 inches |
| 75 W | Thermal design power (TDP) | 140 W |
| 250 W | Suggested PSU | 300 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | 1x 6-pin |
| C994 | Board Number | P2004 SKU 11 |
API support
| 12 (12_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 6.4 | Shader Model | 5.1 |