AMD Radeon RX 455 OEM vs AMD Radeon 550X Mobile
What is the difference between AMD Radeon RX 455 OEM and AMD Radeon 550X Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Tobago | GPU Name | Polaris 23 |
| Tobago PRO (215-0875010) | Model number | Polaris 23 MXT |
| GCN 2.0 | Architecture | GCN 4.0 |
| TSMC | Foundry | GlobalFoundries |
| 28 nm | Process Size | 14 nm |
| 2,080 million | Transistors | 2,200 million |
| 160 mm² | Die Size | 103 mm² |
Graphics Card
| Jun 30th, 2016 | Release Date | Apr 11th, 2018 |
| Arctic Islands (RX 400) | Family | Mobility Radeon (M500X) |
| Active | Production | Active |
| Pirate Islands | Predecessor | Crystal System |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 2 GB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 64 bit |
| 104.0 GB/s | Bandwidth | 48.00 GB/s |
Performance
| 16.80 GPixel/s | Pixel fillrate | 20.59 GPixel/s |
| 50.40 GTexel/s | Texture fillrate | 51.48 GTexel/s |
| 1.613 TFLOPS | FP32 (float) performance | 1.647 TFLOPS |
| 100.8 GFLOPS (1:16) | FP64 (double) performance | 103.0 GFLOPS (1:16) |
Clock Speeds
| 1625 MHz 6.5 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 768 | Shading Units | 640 |
| 48 | TMUs | 40 |
| 16 | ROPs | 16 |
| 12 | Compute Units | 10 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Single-slot | Slot Width | IGP |
| 100 W | Thermal design power (TDP) | 50 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | No outputs |
| 1x 6-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 |