AMD Radeon HD 7720 OEM vs AMD Radeon HD 6790
What is the difference between AMD Radeon HD 7720 OEM and AMD Radeon HD 6790. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Barts | GPU Name | Barts |
| Barts LE (215-0798002) | Model number | Barts LE (215-0798002) |
| TeraScale 2 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 1,700 million | Transistors | 1,700 million |
| 255 mm² | Die Size | 255 mm² |
Graphics Card
| Mar 15th, 2013 | Release Date | Apr 4th, 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 | 256 bit |
| 134.4 GB/s | Bandwidth | 134.4 GB/s |
Performance
| 26.88 GPixel/s | Pixel fillrate | 13.44 GPixel/s |
| 33.60 GTexel/s | Texture fillrate | 33.60 GTexel/s |
| 1,344 GFLOPS | FP32 (float) performance | 1,344 GFLOPS |
Clock Speeds
| 1050 MHz 4.2 Gbps effective | Memory Clock | 1050 MHz 4.2 Gbps effective |
| 840 MHz | GPU Clock | 840 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 | 512 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) | 150 W |
| 450 W | Suggested PSU | 450 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x 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 |