AMD Radeon HD 7950 Boost vs AMD Radeon R9 280
What is the difference between AMD Radeon HD 7950 Boost and AMD Radeon R9 280. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Tahiti | GPU Name | Tahiti |
| Tahiti PRO2 (215-0821282) | 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
| Jun 22nd, 2012 | Release Date | Mar 4th, 2014 |
| Southern Islands (HD 7900) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| 449 USD | Launch Price | 279 USD |
| Northern 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 |
| 275 mm 10.8 inches | Length | 275 mm 10.8 inches |
| 111 mm 4.4 inches | Width | 109 mm 4.3 inches |
| 38 mm 1.5 inches | Height | 36 mm 1.4 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 | 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 |