ATI Radeon 3100 IGP vs ATI Radeon X850 CrossFire Edition
Graphics Processor
| GPU model | RS780 | R480 |
|---|---|---|
| GPU variant | RS780C | R480 XT (215RBHAGA11F) |
| Architecture | TeraScale | R400 |
| Manufacturing process | 65 nm | 130 nm |
| Number of transistors | 180 million | 160 million |
| Die size | 85 mm² | 297 mm² |
| Foundry | — | TSMC |
Integrated Graphics
| Release date | Mar 4th, 2008 | — |
|---|---|---|
| Generation | Radeon IGP (3000) | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
Clocks
| GPU clock | 350 MHz | 520 MHz |
|---|---|---|
| Memory clock | System Shared | 540 MHz 1080 Mbps effective |
Memory Configuration
| Memory size | System Shared | 256 MB |
|---|---|---|
| Memory type | System Shared | GDDR3 |
| Memory bus width | System Shared | 256 bit |
| Bandwidth | System Dependent | 34.56 GB/s |
Render Configuration
| Shading units | 40 | — |
|---|---|---|
| TMUs | 4 | 16 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Pixel shaders | — | 16 |
| Vertex shaders | — | 6 |
Performance
| Pixel rate | 1.400 GPixel/s | 8.320 GPixel/s |
|---|---|---|
| Texture rate | 1.400 GTexel/s | 8.320 GTexel/s |
| FP32 (float) performance | 28.00 GFLOPS | — |
| Vertex rate | — | 780.0 MVertices/s |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | unknown | unknown |
| Outputs | No outputs | 2x DVI |
| Suggested PSU | — | 200 W |
| Power connectors | — | 1x 6-pin |
API Support & Features
| DirectX | 10.0 (10_0) | 9.0b (9_2) |
|---|---|---|
| OpenGL | 3.3 | 2.1 |
| OpenCL | 1.0 | — |
| Vulkan | — | — |
| Shader model | 4.1 | — |
| Pixel shader | — | 2.0b |
| Vertex shader | — | 2.0b |
Other Features
Graphics Card
| Release date | — | Sep 10th, 2006 |
|---|---|---|
| Generation | — | Radeon R400 PCIe |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 58 in our database |
| Predecessor | — | Radeon R300 |
| Successor | — | Radeon R500 PCIe |
