AMD Radeon HD 8770 OEM vs AMD Radeon HD 6930
What is the difference between AMD Radeon HD 8770 OEM and AMD Radeon HD 6930. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Bonaire | GPU Name | Cayman |
| Bonaire XT (215-0839039) | Model number | Cayman CE (215-0807105) |
| GCN 2.0 | Architecture | TeraScale 3 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 2,080 million | Transistors | 2,640 million |
| 160 mm² | Die Size | 389 mm² |
Graphics Card
| Sep 2nd, 2013 | Release Date | Dec 1st, 2011 |
| Sea Islands (HD 8700) | Family | Northern Islands (HD 6900) |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | Evergreen |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit |
| 96.00 GB/s | Bandwidth | 153.6 GB/s |
Performance
| 16.80 GPixel/s | Pixel fillrate | 24.00 GPixel/s |
| 58.80 GTexel/s | Texture fillrate | 60.00 GTexel/s |
| 1.882 TFLOPS | FP32 (float) performance | 1.920 TFLOPS |
| 117.6 GFLOPS (1:16) | FP64 (double) performance | 480.0 GFLOPS (1:4) |
Clock Speeds
| 1500 MHz 6 Gbps effective | Memory Clock | 1200 MHz 4.8 Gbps effective |
| 1050 MHz | GPU Clock | 750 MHz |
Render Config
| 896 | Shading Units | 1280 |
| 56 | TMUs | 80 |
| 16 | ROPs | 32 |
| 14 | Compute Units | 20 |
| 16 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 183 mm 7.2 inches | Length | 220 mm 8.7 inches |
| 85 W | Thermal design power (TDP) | 186 W |
| 250 W | Suggested PSU | 450 W |
| 1x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 2x DVI 1x HDMI 2x mini-DisplayPort |
| 1x 6-pin | Power Connectors | 2x 6-pin |
API support
| 12 (12_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 2.0 | OpenCL | 1.2 |
| 1.2 | Vulkan | N/A |
| 6.3 | Shader Model | 5.0 |