AMD Radeon RX 580 OEM vs AMD Radeon R9 390X
What is the difference between AMD Radeon RX 580 OEM and AMD Radeon R9 390X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Ellesmere | GPU Name | Grenada |
| Polaris 10 XT (215-0876184) | Model number | Grenada XT (215-0880004) |
| GCN 4.0 | Architecture | GCN 2.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 5,700 million | Transistors | 6,200 million |
| 232 mm² | Die Size | 438 mm² |
Graphics Card
| Jun 29th, 2016 | Release Date | Jun 18th, 2015 |
| Polaris (RX 500) | Family | Pirate Islands (R9 300) |
| Active | Production | Active |
| 229 USD | Launch Price | 429 USD |
| Arctic Islands | Predecessor | Volcanic Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 8 GB | Memory Size | 8 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 512 bit |
| 256.0 GB/s | Bandwidth | 384.0 GB/s |
Performance
| 40.51 GPixel/s | Pixel fillrate | 67.20 GPixel/s |
| 182.3 GTexel/s | Texture fillrate | 184.8 GTexel/s |
| 5.834 TFLOPS | FP32 (float) performance | 5.914 TFLOPS |
| 364.6 GFLOPS (1:16) | FP64 (double) performance | 739.2 GFLOPS (1:8) |
Clock Speeds
| 2000 MHz 8 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 2304 | Shading Units | 2816 |
| 144 | TMUs | 176 |
| 32 | ROPs | 64 |
| 36 | Compute Units | 44 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 2 MB | L2 Cache | 1024 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 241 mm 9.5 inches | Length | 275 mm 10.8 inches |
| 150 W | Thermal design power (TDP) | 275 W |
| 450 W | Suggested PSU | 600 W |
| 1x HDMI 3x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 1x 6-pin | Power Connectors | 1x 6-pin + 1x 8-pin |
| C940, D009-04 | Board Number | C671, C679-37 |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 6.3 |