ATI Radeon X1900 G5 Mac Edition vs NVIDIA Quadro 400
Graphics Processor
| GPU model | R580 | GT216 |
|---|---|---|
| GPU variant | R580 XL (215BAEBKA31FG) | GT216 GL |
| Architecture | R500 | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 40 nm |
| Number of transistors | 384 million | 486 million |
| Die size | 352 mm² | 100 mm² |
Graphics Card
| Release date | Nov 6th, 2006 | Apr 5th, 2011 |
|---|---|---|
| Generation | Radeon R500 PCIe | Quadro |
| Production | End-of-life | End-of-life |
| Launch price | 349 USD | 169 USD |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 115 in our database | 26 in our database |
| Predecessor | Radeon R400 PCIe | — |
| Successor | Radeon R600 | — |
Clocks
| GPU clock | 575 MHz | 450 MHz |
|---|---|---|
| Memory clock | 600 MHz 1200 Mbps effective | 770 MHz 1540 Mbps effective |
| Shader clock | — | 1125 MHz |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 64 bit |
| Bandwidth | 38.40 GB/s | 12.32 GB/s |
Render Configuration
| Pixel shaders | 36 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 12 | 16 |
| ROPs | 12 | 8 |
| Shading units | — | 48 |
| SM count | — | 6 |
| Cache L2 | — | 32 KB |
Performance
| Pixel rate | 6.900 GPixel/s | 3.600 GPixel/s |
|---|---|---|
| Vertex rate | 1.150 GVertices/s | — |
| Texture rate | 6.900 GTexel/s | 7.200 GTexel/s |
| FP32 (float) performance | — | 108.0 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 75 W | 32 W |
| Suggested PSU | 250 W | 200 W |
| Outputs | 2x DVI1x S-Video | 1x DVI1x DisplayPort |
| Power connectors | 1x 6-pin | None |
| Length | — | 163 mm 6.4 inches |
| Width | — | 69 mm 2.7 inches |
| Board number | — | P1052 |
API Support & Features
| DirectX | 9.0c (9_3) | 11.1 (10_1) |
|---|---|---|
| OpenGL | 2.1 (full) 3.0 (partial) | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 4.1 |
| CUDA | — | 1.2 |
