AMD Radeon Sky 500 vs AMD Radeon R9 270
What is the difference between AMD Radeon Sky 500 and AMD Radeon R9 270. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Pitcairn | GPU Name | Curacao |
| Pitcairn XT GL (215-0828073) | Model number | Curacao PRO (215-0848000) |
| GCN 1.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 2,800 million | Transistors | 2,800 million |
| 212 mm² | Die Size | 212 mm² |
Graphics Card
| Mar 27th, 2013 | Release Date | Nov 13th, 2013 |
| Radeon Sky (x00) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 153.6 GB/s | Bandwidth | 179.2 GB/s |
Performance
| 30.40 GPixel/s | Pixel fillrate | 29.60 GPixel/s |
| 76.00 GTexel/s | Texture fillrate | 74.00 GTexel/s |
| 2.432 TFLOPS | FP32 (float) performance | 2.368 TFLOPS |
| 152.0 GFLOPS (1:16) | FP64 (double) performance | 148.0 GFLOPS (1:16) |
Clock Speeds
| 1200 MHz 4.8 Gbps effective | Memory Clock | 1400 MHz 5.6 Gbps effective |
Render Config
| 1280 | Shading Units | 1280 |
| 80 | TMUs | 80 |
| 32 | ROPs | 32 |
| 20 | Compute Units | 20 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| Single-slot | Slot Width | Dual-slot |
| 242 mm 9.5 inches | Length | 210 mm 8.3 inches |
| 150 W | Thermal design power (TDP) | 150 W |
| 450 W | Suggested PSU | 450 W |
| 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 1x 6-pin | Power Connectors | 1x 6-pin |
API support
| 12 (11_1) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |