AMD Radeon HD 6870 vs AMD Radeon 550X Mobile
What is the difference between AMD Radeon HD 6870 and AMD Radeon 550X Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Barts | GPU Name | Polaris 23 |
| Barts XT (215-0798000) | Model number | Polaris 23 MXT |
| TeraScale 2 | Architecture | GCN 4.0 |
| TSMC | Foundry | GlobalFoundries |
| 40 nm | Process Size | 14 nm |
| 1,700 million | Transistors | 2,200 million |
| 255 mm² | Die Size | 103 mm² |
Graphics Card
| Oct 21st, 2010 | Release Date | Apr 11th, 2018 |
| Northern Islands (HD 6800) | Family | Mobility Radeon (M500X) |
| End-of-life | Production | Active |
| Evergreen | Predecessor | Crystal System |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 1024 MB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 64 bit |
| 134.4 GB/s | Bandwidth | 48.00 GB/s |
Performance
| 28.80 GPixel/s | Pixel fillrate | 20.59 GPixel/s |
| 50.40 GTexel/s | Texture fillrate | 51.48 GTexel/s |
| 2.016 TFLOPS | FP32 (float) performance | 1.647 TFLOPS |
Clock Speeds
| 1050 MHz 4.2 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 1120 | Shading Units | 640 |
| 56 | TMUs | 40 |
| 32 | ROPs | 16 |
| 14 | Compute Units | 10 |
| 8 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | IGP |
| 151 W | Thermal design power (TDP) | 50 W |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | No outputs |
| 2x 6-pin | Power Connectors | None |
API support
| 11.2 (11_0) | DirectX | 12 (12_0) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 2.1 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 6.4 |