ATI Graphics Pro Turbo vs NVIDIA GeForce GT 420 OEM
Graphics Processor
| GPU model | Mach64 | GF108 |
|---|---|---|
| GPU variant | Mach64 GX (210888GX00) | GF108-200-A1 |
| Architecture | Mach | Fermi |
| Manufacturing process | 600 nm | 40 nm |
| Number of transistors | 1 million | 585 million |
| Die size | 90 mm² | 116 mm² |
| Foundry | — | TSMC |
Graphics Card
| Release date | 1995 | Sep 3rd, 2010 |
|---|---|---|
| Generation | Mach 64 | GeForce 400 |
| Production | End-of-life | End-of-life |
| Launch price | 449 USD | — |
| Interface | PCI | PCIe 2.0 x16 |
| Predecessor | Mach 32 | GeForce 200 |
| Successor | Rage | GeForce 500 |
Clocks
| GPU clock | 40 MHz | 700 MHz |
|---|---|---|
| Memory clock | 40 MHz | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1400 MHz |
Memory Configuration
| Memory size | 2 MB | 1024 MB |
|---|---|---|
| Memory type | VRAM | DDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 320.0 MB/s | 28.80 GB/s |
Render Configuration
| Pixel shaders | 1 | — |
|---|---|---|
| Vertex shaders | 0 | — |
| TMUs | 0 | 4 |
| ROPs | 1 | 4 |
| Shading units | — | 48 |
| SM count | — | 1 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 256 KB |
Performance
| Pixel rate | 40.00 MPixel/s | 1.400 GPixel/s |
|---|---|---|
| Texture rate | 0 MTexel/s | 2.800 GTexel/s |
| FP32 (float) performance | — | 134.4 GFLOPS |
| FP64 (double) performance | — | 11.20 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | unknown | 50 W |
| Suggested PSU | 200 W | 250 W |
| Outputs | 1x VGA | 1x DVI1x HDMI1x VGA |
| Board number | 255 | P1071 |
| Length | — | 145 mm 5.7 inches |
| Power connectors | — | None |
API Support & Features
| DirectX | — | 12 (11_0) |
|---|---|---|
| OpenGL | — | 4.6 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Pixel shader | — | — |
| Vertex shader | — | — |
| CUDA | — | 2.1 |
| Shader model | — | 5.1 |
