AMD Radeon HD 8470 OEM vs ATI Radeon X850 PRO
What is the difference between AMD Radeon HD 8470 OEM and ATI Radeon X850 PRO. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Caicos | GPU Name | R480 |
| Caicos XT (215-0804070) | Model number | R480 PRO (215RBPAGA11F) |
| TeraScale 2 | Architecture | R400 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 130 nm |
| 370 million | Transistors | 160 million |
| 67 mm² | Die Size | 297 mm² |
Graphics Card
| Jan 8th, 2013 | Release Date | Dec 1st, 2004 |
| Sea Islands (HD 8400) | Family | Radeon R400 PCIe (X850) |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | Radeon R300 |
| PCIe 2.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 1024 MB | Memory Size | 256 MB |
| GDDR5 | Memory Type | GDDR3 |
| 64 bit | Memory Bus | 256 bit |
| 25.60 GB/s | Bandwidth | 33.28 GB/s |
Performance
| 3.100 GPixel/s | Pixel fillrate | 6.084 GPixel/s |
| 6.200 GTexel/s | Texture fillrate | 6.084 GTexel/s |
Clock Speeds
| 800 MHz 3.2 Gbps effective | Memory Clock | 520 MHz 1040 Mbps effective |
| 775 MHz | GPU Clock | 507 MHz |
Render Config
| 8 | TMUs | 12 |
| 4 | ROPs | 12 |
Board Design
| Single-slot | Slot Width | Single-slot |
| 35 W | Thermal design power (TDP) | unknown |
| 200 W | Suggested PSU | 200 W |
| 1x DVI 1x HDMI | Display Connectors | 1x DVI 1x VGA 1x S-Video |
| None | Power Connectors | 1x 6-pin |
API support
| 11.2 (11_0) | DirectX | 9.0b (9_2) |
| 4.4 | OpenGL | 2.1 |
| 1.2 | OpenCL | N/A |
| N/A | Vulkan | N/A |