AMD Radeon R6 Mobile Graphics vs ATI Radeon HD 3870 AGP
What is the difference between AMD Radeon R6 Mobile Graphics and ATI Radeon HD 3870 AGP. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Wani | GPU Name | RV670 |
| GCN 3.0 | Architecture | TeraScale |
| GlobalFoundries | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 1,200 million | Transistors | 666 million |
| 125 mm² | Die Size | 192 mm² |
Graphics Card
| Nov 7th, 2015 | Release Date | Never Released |
| Carrizo (Rx 300 Mobile) | Family | Radeon R600 (HD 3800) |
| Active | Production | End-of-life |
| Kaveri | Predecessor | Radeon R500 PCIe |
| IGP | Bus Interface | AGP 8x |
Memory
| System Shared | Memory Size | 512 MB |
| System Shared | Memory Type | GDDR4 |
| System Shared | Memory Bus | 256 bit |
| System Dependent | Bandwidth | 72.06 GB/s |
Performance
| 5.760 GPixel/s | Pixel fillrate | 12.43 GPixel/s |
| 17.28 GTexel/s | Texture fillrate | 12.43 GTexel/s |
| 553.0 GFLOPS | FP32 (float) performance | 497.3 GFLOPS |
| 276.5 GFLOPS (1:2) | FP64 (double) performance | 99.46 GFLOPS (1:5) |
Clock Speeds
| System Shared | Memory Clock | 1126 MHz 2.3 Gbps effective |
Render Config
| 384 | Shading Units | 320 |
| 24 | TMUs | 16 |
| 8 | ROPs | 16 |
| 6 | Compute Units | 4 |
Board Design
| IGP | Slot Width | Dual-slot |
| 15 W | Thermal design power (TDP) | 106 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 12 (12_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 (full) 4.0 (partial) |
| 2.0 | OpenCL | N/A |
| 1.2 | Vulkan | N/A |
| 6.3 | Shader Model | 4.1 |