AMD Radeon R9 380 vs AMD Radeon R9 280
What is the difference between AMD Radeon R9 380 and AMD Radeon R9 280. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Antigua | GPU Name | Tahiti |
| Antigua PRO (215-0877000) | Model number | Tahiti PRO3 (215-0821330) |
| GCN 3.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 5,000 million | Transistors | 4,313 million |
| 366 mm² | Die Size | 352 mm² |
Graphics Card
| Jun 18th, 2015 | Release Date | Mar 4th, 2014 |
| Pirate Islands (R9 300) | Family | Volcanic Islands (R9 200) |
| Active | Production | End-of-life |
| 199 USD | Launch Price | 279 USD |
| Volcanic Islands | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 384 bit |
| 176.0 GB/s | Bandwidth | 240.0 GB/s |
Performance
| 31.04 GPixel/s | Pixel fillrate | 29.86 GPixel/s |
| 108.6 GTexel/s | Texture fillrate | 104.5 GTexel/s |
| 3.476 TFLOPS | FP32 (float) performance | 3.344 TFLOPS |
| 217.3 GFLOPS (1:16) | FP64 (double) performance | 836.0 GFLOPS (1:4) |
Clock Speeds
| 1375 MHz 5.5 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
Render Config
| 1792 | Shading Units | 1792 |
| 112 | TMUs | 112 |
| 32 | ROPs | 32 |
| 28 | Compute Units | 28 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 768 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 221 mm 8.7 inches | Length | 275 mm 10.8 inches |
| 111 mm 4.4 inches | Width | 109 mm 4.3 inches |
| 190 W | Thermal design power (TDP) | 200 W |
| 450 W | Suggested PSU | 550 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 1x DVI 2x HDMI 1x DisplayPort |
| 2x 6-pin | Power Connectors | 1x 6-pin + 1x 8-pin |
| C766 | Board Number | C386 |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 5.1 |