AMD Radeon Pro Vega 20 vs AMD Radeon R9 285
What is the difference between AMD Radeon Pro Vega 20 and AMD Radeon R9 285. Find out which graphics card has better performance.
Benchmarks
| 5942 | PassMark G3D | 5550 |
| 605 | PassMark G2D | 655 |
Graphics Processor (GPU)
| Vega 12 | GPU Name | Tonga |
| Vega 12 XTA | Model number | Tonga PRO (215-0851128) |
| GCN 5.0 | Architecture | GCN 3.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| unknown | Transistors | 5,000 million |
| unknown | Die Size | 366 mm² |
Graphics Card
| Nov 14th, 2018 | Release Date | Sep 2nd, 2014 |
| Radeon Pro Mac (Vega Series) | Family | Volcanic Islands (R9 200) |
| Active | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 2 GB |
| HBM2 | Memory Type | GDDR5 |
| 1024 bit | Memory Bus | 256 bit |
| 189.4 GB/s | Bandwidth | 176.0 GB/s |
Performance
| 41.06 GPixel/s | Pixel fillrate | 29.38 GPixel/s |
| 102.6 GTexel/s | Texture fillrate | 102.8 GTexel/s |
| 6.569 TFLOPS (2:1) | FP16 (half) performance | 3.290 TFLOPS (1:1) |
| 3.284 TFLOPS | FP32 (float) performance | 3.290 TFLOPS |
| 205.3 GFLOPS (1:16) | FP64 (double) performance | 205.6 GFLOPS (1:16) |
Clock Speeds
| 740 MHz 1480 Mbps effective | Memory Clock | 1375 MHz 5.5 Gbps effective |
Render Config
| 1280 | Shading Units | 1792 |
| 80 | TMUs | 112 |
| 32 | ROPs | 32 |
| 20 | Compute Units | 28 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 1024 KB | L2 Cache | 512 KB |
Board Design
| IGP | Slot Width | Dual-slot |
| 100 W | Thermal design power (TDP) | 190 W |
| No outputs | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
API support
| 12 (12_1) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 6.3 |