AMD Radeon HD 8670 OEM vs AMD Radeon HD 6770 Green Edition
What is the difference between AMD Radeon HD 8670 OEM and AMD Radeon HD 6770 Green Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Oland | GPU Name | Juniper |
| Oland XT (215-0837000) | Model number | Juniper LE (215-0754009) |
| GCN 1.0 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 950 million | Transistors | 1,040 million |
| 77 mm² | Die Size | 166 mm² |
Graphics Card
| Jan 8th, 2013 | Release Date | Apr 19th, 2013 |
| Sea Islands (HD 8600) | Family | Northern Islands (HD 6700) |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | Evergreen |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 128 bit |
| 73.60 GB/s | Bandwidth | 21.34 GB/s |
Performance
| 8.400 GPixel/s | Pixel fillrate | 11.20 GPixel/s |
| 25.20 GTexel/s | Texture fillrate | 25.20 GTexel/s |
| 806.4 GFLOPS | FP32 (float) performance | 1,008 GFLOPS |
Clock Speeds
| 1150 MHz 4.6 Gbps effective | Memory Clock | 667 MHz 1334 Mbps effective |
Render Config
| 384 | Shading Units | 720 |
| 24 | TMUs | 36 |
| 8 | ROPs | 16 |
| 6 | Compute Units | 9 |
| 16 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Single-slot | Slot Width | Dual-slot |
| 75 W | Thermal design power (TDP) | 86 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x VGA | Display Connectors | 2x DVI 1x HDMI 2x mini-DisplayPort |
API support
| 12 (11_1) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 1.2 | OpenCL | 1.2 |
| 1.2 | Vulkan | N/A |
| 5.1 | Shader Model | 5.0 |