AMD Radeon E9390 PCIe vs AMD Radeon HD 7970
What is the difference between AMD Radeon E9390 PCIe and AMD Radeon HD 7970. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Ellesmere | GPU Name | Tahiti |
| GCN 4.0 | Architecture | GCN 1.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 5,700 million | Transistors | 4,313 million |
| 232 mm² | Die Size | 352 mm² |
Graphics Card
| Oct 15th, 2019 | Release Date | Dec 22nd, 2011 |
| Embedded (9000) | Family | Southern Islands (HD 7900) |
| Active | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 8 GB | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 384 bit |
| 160.0 GB/s | Bandwidth | 264.0 GB/s |
Performance
| 34.85 GPixel/s | Pixel fillrate | 29.60 GPixel/s |
| 122.0 GTexel/s | Texture fillrate | 118.4 GTexel/s |
| 3.903 TFLOPS | FP32 (float) performance | 3.789 TFLOPS |
| 243.9 GFLOPS (1:16) | FP64 (double) performance | 947.2 GFLOPS (1:4) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1375 MHz 5.5 Gbps effective |
Render Config
| 1792 | Shading Units | 2048 |
| 112 | TMUs | 128 |
| 32 | ROPs | 32 |
| 28 | Compute Units | 32 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 2 MB | L2 Cache | 768 KB |
Board Design
| Single-slot | Slot Width | Dual-slot |
| 173 mm 6.8 inches | Length | 275 mm 10.8 inches |
| 75 W | Thermal design power (TDP) | 250 W |
| 4x DisplayPort | Display Connectors | 1x DVI 1x HDMI 2x mini-DisplayPort |
| None | Power Connectors | 1x 6-pin + 1x 8-pin |
| C954-87 | Board Number | C386-37 |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 5.1 |