AMD Radeon HD 7790 vs AMD Radeon R9 M385
What is the difference between AMD Radeon HD 7790 and AMD Radeon R9 M385. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Bonaire | GPU Name | Strato |
| Bonaire XT (215-0839039) | Model number | Strato XT |
| GCN 2.0 | Architecture | GCN 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 2,080 million | Transistors | 2,080 million |
| 160 mm² | Die Size | 160 mm² |
Graphics Card
| Mar 22nd, 2013 | Release Date | May 5th, 2015 |
| Southern Islands (HD 7700) | Family | Crystal System (R9 M300) |
| End-of-life | Production | Active |
| Northern Islands | Predecessor | Solar System |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 96.00 GB/s | Bandwidth | 76.80 GB/s |
Performance
| 16.00 GPixel/s | Pixel fillrate | 16.00 GPixel/s |
| 56.00 GTexel/s | Texture fillrate | 56.00 GTexel/s |
| 1.792 TFLOPS | FP32 (float) performance | 1.792 TFLOPS |
| 112.0 GFLOPS (1:16) | FP64 (double) performance | 112.0 GFLOPS (1:16) |
Clock Speeds
| 1500 MHz 6 Gbps effective | Memory Clock | 1200 MHz 4.8 Gbps effective |
Render Config
| 896 | Shading Units | 896 |
| 56 | TMUs | 56 |
| 16 | ROPs | 16 |
| 14 | Compute Units | 14 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| 85 W | Thermal design power (TDP) | unknown |
| 1x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | No outputs |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 6.3 |