AMD Radeon HD 7720 OEM vs AMD Radeon HD 6770
What is the difference between AMD Radeon HD 7720 OEM and AMD Radeon HD 6770. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Barts | GPU Name | Juniper |
| Barts LE (215-0798002) | Model number | Juniper XT (215-0754013) |
| TeraScale 2 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 1,700 million | Transistors | 1,040 million |
| 255 mm² | Die Size | 166 mm² |
Graphics Card
| Mar 15th, 2013 | Release Date | Jan 21st, 2011 |
| Southern Islands (HD 7700) | Family | Northern Islands (HD 6700) |
| End-of-life | Production | End-of-life |
| Northern Islands | Predecessor | Evergreen |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 134.4 GB/s | Bandwidth | 76.80 GB/s |
Performance
| 26.88 GPixel/s | Pixel fillrate | 13.60 GPixel/s |
| 33.60 GTexel/s | Texture fillrate | 34.00 GTexel/s |
| 1,344 GFLOPS | FP32 (float) performance | 1,360 GFLOPS |
Clock Speeds
| 1050 MHz 4.2 Gbps effective | Memory Clock | 1200 MHz 4.8 Gbps effective |
| 840 MHz | GPU Clock | 850 MHz |
Render Config
| 800 | Shading Units | 800 |
| 40 | TMUs | 40 |
| 32 | ROPs | 16 |
| 10 | Compute Units | 10 |
| 8 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 198 mm 7.8 inches | Length | 198 mm 7.8 inches |
| 150 W | Thermal design power (TDP) | 108 W |
| 450 W | Suggested PSU | 300 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 2x mini-DisplayPort |
API support
| 11.2 (11_0) | DirectX | 11.2 (11_0) |
| 4.4 | OpenGL | 4.4 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 5.0 |