ATI Mobility Radeon X1700 vs NVIDIA Quadro NVS 420
Graphics Processor
| GPU model | M66 | G98 |
|---|---|---|
| GPU variant | M66 P | — |
| Architecture | R500 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 65 nm |
| Number of transistors | 157 million | 210 million |
| Die size | 150 mm² | 86 mm² |
Mobile graphics
| Release date | Feb 1st, 2006 | — |
|---|---|---|
| Generation | M6x (Mobility X1) | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M5x | — |
| Successor | M7x | — |
Clocks
| GPU clock | 475 MHz | 550 MHz |
|---|---|---|
| Memory clock | 400 MHz 800 Mbps effective | 700 MHz 1400 Mbps effective |
| Shader clock | — | 1400 MHz |
Memory Configuration
| Memory size | 256 MB | 256 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 12.80 GB/s | 11.20 GB/s |
Render Configuration
| Pixel shaders | 12 | — |
|---|---|---|
| Vertex shaders | 5 | — |
| TMUs | 4 | 4 |
| ROPs | 4 | 4 |
| Shading units | — | 8 |
| SM count | — | 1 |
| Cache L2 | — | 16 KB |
Performance
| Pixel rate | 1.900 GPixel/s | 2.200 GPixel/s |
|---|---|---|
| Vertex rate | 593.8 MVertices/s | — |
| Texture rate | 1.900 GTexel/s | 2.200 GTexel/s |
| FP32 (float) performance | — | 22.40 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 40 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | Single-slot |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
| Board number | — | P737 |
API Support & Features
| DirectX | 9.0c (9_3) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 4.0 |
| CUDA | — | 1.1 |
Other Features
Graphics Card
| Release date | — | Jan 20th, 2009 |
|---|---|---|
| Generation | — | Quadro NVS |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 26 in our database |
