AMD Radeon HD 6770 Green Edition vs AMD Radeon R7 250 OEM
What is the difference between AMD Radeon HD 6770 Green Edition and AMD Radeon R7 250 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Juniper | GPU Name | Oland |
| Juniper LE (215-0754009) | Model number | Oland XT (215-0837000) |
| TeraScale 2 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 1,040 million | Transistors | 950 million |
| 166 mm² | Die Size | 77 mm² |
Graphics Card
| Apr 19th, 2013 | Release Date | Oct 8th, 2013 |
| Northern Islands (HD 6700) | Family | Volcanic Islands (R7 200) |
| End-of-life | Production | End-of-life |
| Evergreen | Predecessor | Sea Islands |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR3 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 21.34 GB/s | Bandwidth | 32.00 GB/s |
Performance
| 11.20 GPixel/s | Pixel fillrate | 8.400 GPixel/s |
| 25.20 GTexel/s | Texture fillrate | 25.20 GTexel/s |
| 1,008 GFLOPS | FP32 (float) performance | 806.4 GFLOPS |
Clock Speeds
| 667 MHz 1334 Mbps effective | Memory Clock | 1000 MHz 2 Gbps effective |
Render Config
| 720 | Shading Units | 384 |
| 36 | TMUs | 24 |
| 16 | ROPs | 8 |
| 9 | Compute Units | 6 |
| 8 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 86 W | Thermal design power (TDP) | 65 W |
| 250 W | Suggested PSU | 250 W |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 1x DVI 1x HDMI 1x VGA |
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 |