AMD Radeon RX 560X vs AMD Radeon R9 270X
What is the difference between AMD Radeon RX 560X and AMD Radeon R9 270X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Polaris 21 | GPU Name | Curacao |
| Polaris 21 XT (215-0908004) | Model number | Curacao XT (215-0848004) |
| GCN 4.0 | Architecture | GCN 1.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 3,000 million | Transistors | 2,800 million |
| 123 mm² | Die Size | 212 mm² |
Graphics Card
| Apr 11th, 2018 | Release Date | Oct 8th, 2013 |
| Polaris (RX 500X) | Family | Volcanic Islands (R9 200) |
| Active | Production | End-of-life |
| Polaris | Predecessor | Sea Islands |
| 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 | 256 bit |
| 112.0 GB/s | Bandwidth | 179.2 GB/s |
Performance
| 20.40 GPixel/s | Pixel fillrate | 33.60 GPixel/s |
| 81.60 GTexel/s | Texture fillrate | 84.00 GTexel/s |
| 2.611 TFLOPS | FP32 (float) performance | 2.688 TFLOPS |
| 163.2 GFLOPS (1:16) | FP64 (double) performance | 168.0 GFLOPS (1:16) |
Clock Speeds
| 1175 MHz | Base Clock | 1000 MHz |
| 1275 MHz | Boost Clock | 1050 MHz |
| 1750 MHz 7 Gbps effective | Memory Clock | 1400 MHz 5.6 Gbps effective |
Render Config
| 1024 | Shading Units | 1280 |
| 64 | TMUs | 80 |
| 16 | ROPs | 32 |
| 16 | Compute Units | 20 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 1024 KB | L2 Cache | 512 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) | 180 W |
| 250 W | Suggested PSU | 450 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | 2x 6-pin |
| C994 | Board Number | C631, C632 |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 5.1 |