AMD Radeon HD 8950 OEM vs AMD Radeon R9 280
What is the difference between AMD Radeon HD 8950 OEM and AMD Radeon R9 280. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Tahiti | GPU Name | Tahiti |
| Tahiti PRO (215-0821056) | Model number | Tahiti PRO3 (215-0821330) |
| GCN 1.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 4,313 million | Transistors | 4,313 million |
| 352 mm² | Die Size | 352 mm² |
Graphics Card
| Jan 8th, 2013 | Release Date | Mar 4th, 2014 |
| Sea Islands (HD 8900) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit | Memory Bus | 384 bit |
| 240.0 GB/s | Bandwidth | 240.0 GB/s |
Performance
| 29.60 GPixel/s | Pixel fillrate | 29.86 GPixel/s |
| 103.6 GTexel/s | Texture fillrate | 104.5 GTexel/s |
| 3.315 TFLOPS | FP32 (float) performance | 3.344 TFLOPS |
| 828.8 GFLOPS (1:4) | FP64 (double) performance | 836.0 GFLOPS (1:4) |
Clock Speeds
| 850 MHz | Base Clock | 827 MHz |
| 925 MHz | Boost Clock | 933 MHz |
| 1250 MHz 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) |
| 768 KB | L2 Cache | 768 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 267 mm 10.5 inches | Length | 275 mm 10.8 inches |
| 200 W | Thermal design power (TDP) | 200 W |
| 550 W | Suggested PSU | 550 W |
| 1x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 1x DVI 2x HDMI 1x DisplayPort |
| 2x 6-pin | Power Connectors | 1x 6-pin + 1x 8-pin |
| C386-42 | Board Number | C386 |
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 |