ATI Radeon X1950 PRO DUAL vs NVIDIA GeForce GT 550M
Graphics Processor
| GPU model | RV570 | GF108 |
|---|---|---|
| GPU variant | RV570 XT (215PADAKA12FG) | N12P-GT1-A1 |
| Architecture | R500 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 40 nm |
| Number of transistors | 330 million | 585 million |
| Die size | 230 mm² | 116 mm² |
Graphics Card
| Release date | Jan 10th, 2007 | — |
|---|---|---|
| Generation | Radeon R500 PCIe | — |
| Production | End-of-life | — |
| Launch price | 349 USD | — |
| Interface | PCIe 1.0 x16 | — |
| Reviews | 144 in our database | — |
| Predecessor | Radeon R400 PCIe | — |
| Successor | Radeon R600 | — |
Clocks
| GPU clock | 575 MHz | 740 MHz |
|---|---|---|
| Memory clock | 690 MHz 1380 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1480 MHz |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 44.16 GB/s | 28.80 GB/s |
Render Configuration
| Pixel shaders | 36 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 12 | 16 |
| ROPs | 12 | 4 |
| Shading units | — | 96 |
| SM count | — | 2 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 256 KB |
Performance
| Pixel rate | 6.900 GPixel/s | 2.960 GPixel/s |
|---|---|---|
| Vertex rate | 1.150 GVertices/s | — |
| Texture rate | 6.900 GTexel/s | 11.84 GTexel/s |
| FP32 (float) performance | — | 284.2 GFLOPS |
| FP64 (double) performance | — | 23.68 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| Length | 300 mm 11.8 inches | — |
| TDP | 130 W | 35 W |
| Suggested PSU | 300 W | — |
| Outputs | 2x DVI1x S-Video | No outputs |
| Power connectors | 1x 6-pin | — |
API Support & Features
| DirectX | 9.0c (9_3) | 12 (11_0) |
|---|---|---|
| OpenGL | 2.1 (full) 3.0 (partial) | 4.6 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 5.1 |
| CUDA | — | 2.1 |
Other Features
Mobile graphics
| Release date | — | Jan 5th, 2011 |
|---|---|---|
| Generation | — | GeForce 500M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 400M |
| Successor | — | GeForce 600M |
