AMD Radeon HD 6930 vs AMD Radeon R9 270 1024SP
What is the difference between AMD Radeon HD 6930 and AMD Radeon R9 270 1024SP. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Cayman | GPU Name | Pitcairn |
| Cayman CE (215-0807105) | Model number | Pitcairn PRO (215-0828062) |
| TeraScale 3 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 2,640 million | Transistors | 2,800 million |
| 389 mm² | Die Size | 212 mm² |
Graphics Card
| Dec 1st, 2011 | Release Date | Mar 13th, 2015 |
| Northern Islands (HD 6900) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | Active |
| Evergreen | Predecessor | Sea Islands |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 153.6 GB/s | Bandwidth | 153.6 GB/s |
Performance
| 24.00 GPixel/s | Pixel fillrate | 29.60 GPixel/s |
| 60.00 GTexel/s | Texture fillrate | 59.20 GTexel/s |
| 1.920 TFLOPS | FP32 (float) performance | 1.894 TFLOPS |
| 480.0 GFLOPS (1:4) | FP64 (double) performance | 118.4 GFLOPS (1:16) |
Clock Speeds
| 1200 MHz 4.8 Gbps effective | Memory Clock | 1200 MHz 4.8 Gbps effective |
Render Config
| 1280 | Shading Units | 1024 |
| 80 | TMUs | 64 |
| 32 | ROPs | 32 |
| 20 | Compute Units | 16 |
| 8 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 186 W | Thermal design power (TDP) | 150 W |
| 450 W | Suggested PSU | 450 W |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 2x 6-pin | Power Connectors | 1x 6-pin |
API support
| 11.2 (11_0) | DirectX | 12 (11_1) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 5.1 |