AMD Radeon R9 280 vs Intel GMA 950
Graphics Processor
| GPU model | Tahiti | Calistoga |
|---|---|---|
| GPU variant | Tahiti PRO3 (215-0821330) | Calistoga-GME |
| Architecture | GCN 1.0 | Generation 3.5 |
| Foundry | TSMC | Intel |
| Manufacturing process | 28 nm | 90 nm |
| Number of transistors | 4,313 million | unknown |
| Die size | 352 mm² | unknown |
Graphics Card
| Release date | Mar 4th, 2014 | — |
|---|---|---|
| Generation | Volcanic Islands | — |
| Production | End-of-life | — |
| Launch price | 279 USD | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 35 in our database | — |
| Predecessor | Sea Islands | — |
| Successor | Pirate Islands | — |
Clocks
| Base clock | 827 MHz | — |
|---|---|---|
| Boost clock | 933 MHz | — |
| Memory clock | 1250 MHz 5 Gbps effective | System Shared |
| GPU clock | — | 250 MHz |
Memory Configuration
| Memory size | 3 GB | System Shared |
|---|---|---|
| Memory type | GDDR5 | System Shared |
| Memory bus width | 384 bit | System Shared |
| Bandwidth | 240.0 GB/s | System Dependent |
Render Configuration
| Shading units | 1792 | — |
|---|---|---|
| TMUs | 112 | 4 |
| ROPs | 32 | 1 |
| Compute units | 28 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 768 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 1 |
Performance
| Pixel rate | 29.86 GPixel/s | 250.0 MPixel/s |
|---|---|---|
| Texture rate | 104.5 GTexel/s | 1.000 GTexel/s |
| FP32 (float) performance | 3.344 TFLOPS | — |
| FP64 (double) performance | 836.0 GFLOPS (1:4) | — |
| Vertex rate | — | 62.50 MVertices/s |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 275 mm 10.8 inches | — |
| Width | 109 mm 4.3 inches | — |
| Height | 36 mm 1.4 inches | — |
| TDP | 200 W | 7 W |
| Suggested PSU | 550 W | — |
| Outputs | 1x DVI2x HDMI1x DisplayPort | No outputs |
| Power connectors | 1x 6-pin + 1x 8-pin | — |
| Board number | C386 | — |
API Support & Features
| DirectX | 12 (11_1) | 9.0c |
|---|---|---|
| OpenGL | 4.6 | 2.0 |
| OpenCL | 1.2 | — |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 3.0 |
Other Features
Integrated Graphics
| Release date | — | 2006 |
|---|---|---|
| Generation | — | GMA Graphics-M (GMA 950 IGP) |
| Production | — | End-of-life |
| Interface | — | FSB |
| Reviews | — | 1 in our database |
