AMD Radeon R9 390 vs AMD Radeon RX 480 Mobile
What is the difference between AMD Radeon R9 390 and AMD Radeon RX 480 Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Grenada | GPU Name | Ellesmere |
| Grenada PRO (215-0880030) | Model number | Ellesmere XT |
| GCN 2.0 | Architecture | GCN 4.0 |
| TSMC | Foundry | GlobalFoundries |
| 28 nm | Process Size | 14 nm |
| 6,200 million | Transistors | 5,700 million |
| 438 mm² | Die Size | 232 mm² |
Graphics Card
| Jun 18th, 2015 | Release Date | Aug 4th, 2016 |
| Pirate Islands (R9 300) | Family | Mobility Radeon (RX M400) |
| Active | Production | Active |
| Volcanic Islands | Predecessor | Crystal System |
| PCIe 3.0 x16 | Bus Interface | MXM-B (3.0) |
Memory
| 8 GB | Memory Size | 8 GB |
| GDDR5 | Memory Type | GDDR5 |
| 512 bit | Memory Bus | 256 bit |
| 384.0 GB/s | Bandwidth | 256.0 GB/s |
Performance
| 64.00 GPixel/s | Pixel fillrate | 34.46 GPixel/s |
| 160.0 GTexel/s | Texture fillrate | 155.1 GTexel/s |
| 5.120 TFLOPS | FP32 (float) performance | 4.963 TFLOPS |
| 640.0 GFLOPS (1:8) | FP64 (double) performance | 310.2 GFLOPS (1:16) |
Clock Speeds
| 1500 MHz 6 Gbps effective | Memory Clock | 2000 MHz 8 Gbps effective |
Render Config
| 2560 | Shading Units | 2304 |
| 160 | TMUs | 144 |
| 64 | ROPs | 32 |
| 40 | Compute Units | 36 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 1024 KB | L2 Cache | 2 MB |
Board Design
| Dual-slot | Slot Width | MXM Module |
| 275 W | Thermal design power (TDP) | 100 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | No outputs |
| 1x 6-pin + 1x 8-pin | Power Connectors | None |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 2.1 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 6.4 |