ATI Graphics Ultra Pro ISA vs NVIDIA GeForce GTX 675MX Mac Edition
Graphics Processor
| GPU model | Mach32 | GK104 |
|---|---|---|
| GPU variant | Mach32-03 (2106880003) | N13E-GSR-A2 |
| Architecture | Mach | Kepler |
| Manufacturing process | 700 nm | 28 nm |
| Number of transistors | unknown | 3,540 million |
| Die size | 90 mm² | 294 mm² |
| Foundry | — | TSMC |
Graphics Card
| Release date | 1992 | — |
|---|---|---|
| Generation | Mach 32 | — |
| Production | End-of-life | — |
| Launch price | 799 USD | — |
| Interface | PCI | — |
| Predecessor | Mach 8 | — |
| Successor | Mach 64 | — |
Clocks
| GPU clock | 10 MHz | 719 MHz |
|---|---|---|
| Memory clock | 10 MHz | 1250 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 2 MB | 1024 MB |
|---|---|---|
| Memory type | DRAM | GDDR5 |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 80.00 MB/s | 160.0 GB/s |
Render Configuration
| Pixel shaders | 1 | — |
|---|---|---|
| Vertex shaders | 0 | — |
| TMUs | 0 | 112 |
| ROPs | 1 | 32 |
| Shading units | — | 1344 |
| SMX count | — | 7 |
| Cache L1 | — | 16 KB (per SMX) |
| Cache L2 | — | 512 KB |
Performance
| Pixel rate | 10.00 MPixel/s | 20.13 GPixel/s |
|---|---|---|
| Texture rate | 0 MTexel/s | 80.53 GTexel/s |
| FP32 (float) performance | — | 1.933 TFLOPS |
| FP64 (double) performance | — | 80.53 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| TDP | unknown | 100 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x VGA | No outputs |
| Board number | 193 | — |
API Support & Features
| DirectX | — | 12 (11_0) |
|---|---|---|
| OpenGL | — | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Pixel shader | — | — |
| Vertex shader | — | — |
| CUDA | — | 3.0 |
| Shader model | — | 5.1 |
Other Features
Mobile graphics
| Release date | — | Apr 1st, 2013 |
|---|---|---|
| Generation | — | GeForce 600M |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
| Predecessor | — | GeForce 500M |
| Successor | — | GeForce 700M |
