AMD Radeon RX 460 1024SP vs AMD Radeon R9 270
What is the difference between AMD Radeon RX 460 1024SP and AMD Radeon R9 270. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Baffin | GPU Name | Curacao |
| Baffin XT | Model number | Curacao PRO (215-0848000) |
| 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
| Jan 17th, 2017 | Release Date | Nov 13th, 2013 |
| Arctic Islands (RX 400) | Family | Volcanic Islands (R9 200) |
| Active | Production | End-of-life |
| Pirate Islands | Predecessor | Sea Islands |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 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
| 19.20 GPixel/s | Pixel fillrate | 29.60 GPixel/s |
| 76.80 GTexel/s | Texture fillrate | 74.00 GTexel/s |
| 2.458 TFLOPS | FP32 (float) performance | 2.368 TFLOPS |
| 153.6 GFLOPS (1:16) | FP64 (double) performance | 148.0 GFLOPS (1:16) |
Clock Speeds
| 1090 MHz | Base Clock | 900 MHz |
| 1200 MHz | Boost Clock | 925 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 | 210 mm 8.3 inches |
| 75 W | Thermal design power (TDP) | 150 W |
| 250 W | Suggested PSU | 450 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| None | Power Connectors | 1x 6-pin |
| C994 | Board Number | C630, 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 |